Energy development in rural China toward a clean energy system: utilization status, co-bene ﬁ t mechanism, and countermeasures

In order to promote the construction of a clean, low-carbon, and diversi ﬁ ed modern rural new energy system, this study examines the development, utilization, connection, and system construction of rural new energy in China. This is done through the classi ﬁ cation, integration, and systematic analysis of of ﬁ cial statistical data and materials from recent years. Utilizing descriptive statistical analysis, the study holds great theoretical and practical signi ﬁ cance. The ﬁ ndings indicate the following: 1) overall, the development of new energy in China ’ s rural areas is progressing well. However, there is an increasing contradiction between supply and consumption. 2) The new energy industry is experiencing overall growth, accompanied by increasing policy support. Despite this, the industry ’ s driving effect is not substantial. 3) The development of new energy production equipment in rural areas is lagging, resulting in insuf ﬁ cient cleanliness of energy consumption. There is still a signi ﬁ cant gap compared to the goal requirements of agricultural and rural modernization. 4) During the process of rural new energy connection and development, there exists a lack of strong connections between the various subjects of interest. The interest relationship is consequently unstable, necessitating the improvement of a closely-knit interest community. Taking the issue of rural new energy development as its starting point, this paper thoroughly explores the mechanisms driving rural new energy connection. It delves into the interest relationship between the different stakeholders and provides guidelines for optimizing rural new energy system construction. Ultimately, this research aims to contribute to rural revitalization, facilitate the realization of the “ double carbon ” goal, and establish a modern rural new energy system.


Introduction
The innovative development of the rural new energy industry is a crucial step toward establishing a green, low-carbon, and diversified rural energy system.It plays a significant role in achieving the dual-carbon goal, consolidating and expanding the achievements of poverty alleviation, promoting the common prosperity of farmers, and advancing agricultural and rural modernization.Additionally, it is an important measure to comprehensively implement the strategy of rural revitalization (Zhou et al., 2022).With the completion of poverty alleviation and the development of rural revitalization, China's rural energy consumption shows an increasing trend, but because rural energy is mainly based on coal and other non-renewable fossil energy sources, and rural energy consumption has the characteristics of being extensive and dispersed, it has become one of the important sources of greenhouse gas emissions.Rural energy consumption accounted for approximately 15% of the country's total greenhouse gas emissions in 2021.According to the estimation of the Ministry of Agriculture and Rural Affairs, new energy in rural areas of China can obtain energy equivalent to 7.3 billion tons of standard coal every year, which is 12 times the current total energy in rural areas of China (Chen M. et al., 2022).On 15 March 2023, the National Energy Administration, the Ministry of Ecology and Environment, the Ministry of Agriculture and Rural Affairs, and the National Rural Revitalization Administration jointly issued the Rural Energy Revolution Pilot County Construction Program, which clearly pointed out that to promote rural energy revolution, rural clean energy construction should be increased so as to achieve the dual target of carbon peak and carbon neutrality.The promotion of rural industry upgradation not only drives the expansion of the industrial chain but also supports the development of livable, employmentoriented, and aesthetically pleasing rural areas (Han et al., 2022).
At present, scholars have carried out a lot of research on the exploitation and utilization of rural energy, industrial development, and related policies.Cong et al. (2017) analyzed the main problems and basic needs in China's rural energy development by discussing the current situation and basic characteristics of living and production energy in China's rural areas.Zhao et al. (2018), based on the rural energy-related data of 30 provinces and cities in China from 2000 to 2015, using Theil, ESDA, and the spatial Dubin model, analyzed the spatial-temporal changes and influencing factors of rural energy poverty in China, providing a reference for the formulation of China's rural energy policy.In view of the development status and development and utilization mode of rural energy in China, Sun et al. (2020) studied rural energy by the subdivision of east, central, west, and northeast provinces and pointed out that the local resource mode should be transformed into an economic and industrial advantage.Wu and Zheng (2022) made use of Chinese household energy consumption survey data, studied the income growth and household energy consumption ladder, and pointed out that efficiency should be strengthened to focus on the poor areas and low-income population.Yang and Li (2022), focusing on the rural energy transformation and development and rural revitalization strategy, put forward relevant suggestions on rural energy transformation and development.New energy has a broad development space in rural areas.In recent years, with the promotion of the double carbon goal and the rural revitalization strategy, the development of rural new energy has a new direction (Clausen and Rudolph, 2020).
With the development of the Chinese economy, the development and use of the new energy situation and supply consumption structure and industrial development patterns have all shown new characteristics and changes.The aforementioned studies are focused on China's rural energy system; however, China's new energy connection development mechanism problem is not explored.In order to adapt to the new characteristics and changes of its rural new energy development, China should promote the transformation and development of rural energy, strengthen the coordinated development of rural new energy interests, comprehensively promote the reform of rural new energy consumption patterns, build a pluralistic and clean rural new energy supply system, and constantly deepen the reform of the rural new energy system (Ma et al., 2022).By combining the official data on the development of rural new energy in recent years, through a descriptive statistical analysis method, this paper summarizes the status of development and utilization of new energy; puts forward the interest behavior and interest relation of the new energy connection mechanism, in view of the main problems in the construction of a rural new energy system; puts forward relevant suggestions; and provides guidance for the future policy formulation and implementation and the construction of a modern new energy system.
The rest of this paper is organized as follows.Section 2 presents the current situation of rural new energy development and utilization.Section 3 describes the development mechanism of rural new energy connection.Section 4 introduces the optimization of rural new energy system construction.Section 5 elaborates on the revelation and deficiency of the conclusion.
2 Current situation of rural new energy development and utilization

Rural new energy supply and consumption structure
Rural energy refers to the energy in rural areas.It includes energy development and utilization as well as supply consumption, namely, through the use of energy to ensure the livelihood of the rural population and the development of local industries and agriculture.In China, rural energy mainly includes nonrenewable energy such as coal, crude oil, natural gas, oil shale, and nuclear energy (Wan et al., 2023) as well as new energy such as solar energy, wind energy, biogas energy, and biomass energy (Wu, 2020).With the construction of the new socialist countryside and the improvement of rural living standard, the demand for energy in rural areas is also increasing sharply, which also intensifies the contradiction between supply and demand of rural energy.
As shown in Figure 1, the development and utilization of rural new energy in China includes two aspects (Naumann and Rudolph, 2020): one is the supply of new energy and the other is the consumption of new energy.The supply of new energy includes solar energy, wind energy, biomass energy, water energy, and geothermal energy.Biomass energy can be divided into traditional biomass energy and new biomass energy.Traditional biomass energy is generated by firewood and straw burning.New biomass energy is obtained by burning ethanol, biodiesel, molding fuel, etc. (Wang et al., 2023a).The consumption of new energy includes domestic energy, which includes cooking, heating, and lighting, and production energy, which includes planting, breeding, and primary processing of agricultural products.From the energy supply side, China's energy structure is found to be dominated by fossil fuels, of which coal accounts for 57 percent, according to the 2021 National Statistical Yearbook.Although the proportion of nonfossil energy has increased rapidly in recent years, it is still less than 20%.From the energy consumption end, the consumption of rural energy continues to increase (Wang and Jiang, 2017).
On the whole, according to the official data of the National Bureau of Statistics of China, China Agricultural Statistics, and National Energy Administration, China's rural energy supply is increasing.As shown in Table 1, from 48.2 million tons of standard coal in 2011 to 150 million tons of standard coal in 2020, the average annual growth rate is approximately 15%.From 2015 to 2016, the energy output had the fastest growth of 18%.From 2012 to 2015, rural energy output grew at a slower rate, of 8%.At present, the energy output in rural areas is mainly concentrated in the installed power generation of wind energy, photovoltaic energy, and hydro energy, followed by biogas production from biomass through a biogas digester.The production scale of straw molding fuel is generally very small.The sum of the three items of biomass energy production accounts for 31.27 million tons of standard coal.According to the calculation of biomass energy, the amount of biomass resources in rural areas is approximately 570 million tons of standard coal, which only accounts for 6.4% of the theoretical exploitable amount, indicating that the utilization of biomass energy is very inadequate.In the future, the development processes of biomass energy should be increased to provide more room for growth in China's energy development.With the improvement of rural people's living standards, according to the China Energy Statistical Yearbook, as shown in Table 2, the total consumption of domestic energy in rural areas increased from 7,165.36 tons of standard coal in 2000 to 23,346.408tons of standard coal in 2019, with a growth rate of 69.31%.The per capita living energy in rural areas has increased from 325 kg of standard coal to 434 kg of standard coal, and it is expected to reach 518 kg of standard coal by 2030.The consumption of energy in rural areas will continue to increase (Chen F. et al., 2022).
Coal, oil, and electricity are the main components of China's rural commodity energy.In the commodity energy mix, coal has been the main energy source for rural household consumption, with its consumption increasing from 40.78 million tons of standard coal in 2000 to 57.46 million tons of standard coal in 2019.Although coal consumption has been increasing, its share of total rural energy consumption has been declining.Both the total and the proportion of oil consumption have been increasing steadily, with its share in the total energy consumption increasing from 7.32% in 2000 to 17.25% in 2019 and reaching a peak of 22.85% in 2018.This is closely related to rural modernization.The popularization of automobiles has greatly increased the consumption of petroleum products in rural areas.Electricity consumption is an important index reflecting rural economic development and energy structure (Liu and Li, 2023).With the promotion of rural electrification, the total and the proportion of electricity consumption are increasing year by year.Electricity consumption peaked at 55.64 Mtce in 2018 and accounted for more than 35% of the total energy consumption for the first time, reaching 35.74%.In 2019, the proportion was 35.18%.The proportion of liquefied petroleum gas and natural gas in the rural energy consumption pattern is relatively small.On the whole, the total commodity energy consumption in rural China continues to expand, and the per capita energy consumption continues to increase (Ding et al., 2021).The total energy consumption of household commodities in rural areas increased by 5.14% annually, and the per capita energy consumption increased by 7.55% annually.According to the China Energy Statistical Yearbook, as can be seen in Figure 2, the total rural energy consumption experienced two periods of rapid growth, from 2000 to 2005 and from 2009 to 2018.Total energy consumption increased more slowly between 2005 and 2009.After peaking in 2018, the total consumption began to decline.
As shown in Figure 3, according to the "China Energy Statistical Yearbook" and "China Agricultural Statistics," rural production energy consumption is mainly dominated by coal, diesel, and electricity, with coal accounting for the largest proportion, followed by diesel and electricity.Coal and gasoline have been the main sources of rural production and consumption (Li W.

Year
Coal Petroleum Natural gas tons of standard coal and accounted for 29% of total energy consumption.In the future, cleanliness and intelligence will be a direction of rural reform (Choudhury et al., 2019), and the proportion of electricity in rural production and consumption needs to be further increased.

Liquefied
In rural energy consumption, in addition to coal, gasoline, diesel, electricity, etc., there are also coke, natural gas, kerosene, and fuel oil, which account for a very small proportion.In addition, although the current output of straw solid fuel is less than that of other commodity energy sources, only 3.36 million tons of standard coal in 2019, in recent years, the consumption scale of straw solid fuel has been increasing, and its proportion in rural energy production has been increasing.In the future, with the demand for rural clean reform and the utilization of clean biomass energy, the proportion of straw solid fuel consumption in rural production and consumption will be further increased.On the whole, the consumption of commodity energy in China's rural areas showed  an increasing trend and reached a peak in 2017, when the energy production of commodity energy in rural areas reached 93.35 million tons of standard coal.In 2018, there was a decline for the first time compared to the past years.In 2019, rural commodity energy consumption increased slightly, and rural commodity energy consumption amounted to 89.58 million tons of standard coal.
According to the 2022 China Rural Energy Development Report, different regions in China are classified based on their potential for rural energy development.Shandong, Henan, and Anhui are among the top three provinces in the country in terms of potential for rural energy and resource development, among which Shandong with its rural main resources and energy development potential ranks first in the country, reaching 87.43 million tons of standard coal.Heilongjiang, Sichuan, Yunnan, Guangxi, and Hunan provinces also have high resource exploitation potential.At present, for Tibet and Qinghai, the development potential of rural main energy is relatively weak.In the future, if the development and utilization of major rural resources can be made according to local conditions, the balanced utilization of resources will be promoted in all provinces, and the development of provinces will be more environmentally friendly and coordinated, thus playing an important role in realizing the dual-carbon goal (Zhang et al., 2022).

Current situation of the rural new energy industry
Promoting rural economy and social development is an important measure to vigorously develop rural new energy.To build a new power system with new energy as the main body, the development of photovoltaic power generation, wind power, and other projects needs space resources most, and rural areas have particular advantages in this field (Shen et al., 2022).Figure 4 shows the current development and utilization model of the Chinese rural new energy industry.According to reliable research, greenhouse gas emissions from China's agricultural and rural sectors will total 1.7 billion tons of carbon dioxide equivalent in 2022, accounting for approximately 15% of the country's total emissions.Agricultural waste resources in China are approximately 400 million tons, converted into approximately 200 million tons of standard coals.The amount of forestry waste resources is approximately 350 million tons, which is converted into approximately 200 million tons of standard coal.The accumulated grid-connected installed capacity of agricultural and forestry biomass power generation is 13.3 million kW, and the biomass heating uses approximately 20 million tons of solid formed fuel annually, which is mainly used for urban heating and industrial and commercial heating.A total of 16 commercial bio-natural gas projects have been put into operation nationwide, with an annual output of 149.5 million cubic meters of gas and 4 million tons of liquid bio-fuel, comprising 3 million tons of ethanol and 1 million tons of biodiesel.
Biomass resources such as straw are abundant (Cui et al., 2021), mainly including agricultural waste, forestry waste, and livestock and poultry manure.The total amount of energy utilizable resources is equivalent to approximately 460 million tons of standard coal every year.The development of new energy in rural areas and the conversion of biomass such as crop straw and livestock manure to produce biological gas, molding fuel, and electricity can offset the emissions of fossil energy used in production and living and improve the ability of agricultural production to adapt to climate change and help carbon peak and carbon neutrality (Sun et al., 2021).

Industry scale 1) Rural solar energy
China is territorially broad and has abundant solar energy resources.It is estimated that the annual solar radiation received by the Chinese land surface is approximately 50 × 1018 kJ.The total solar radiation amounts to 335-837 kJ/cm 2 •a, and the median is 586 kJ/cm 2 •a.As shown in Figure 5, according to the National Bureau of Statistics, China's solar energy capacity increased from As a human life resource, solar energy plays an increasingly important role in the development of rural areas (Liu et al., 2023).Figure 6 shows the top 10 provinces with grid-connected PV capacity in 2020.As can be seen in the figure, Shandong, Jiangsu, Qinghai, Zhejiang, and other regions have a higher grid-connected capacity, followed by Anhui, Hebei, Shanxi, Xinjiang, Ningxia, and Henan.
At present, with the rise of photovoltaic agriculture in China and photovoltaic agriculture as an innovative agricultural development model (Zhao et al., 2023), the organic combination of agriculture and new energy in rural areas provides double benefits.It not only promotes the development of new energy and reduces the dependence on traditional energy but also promotes the improvement of agricultural production efficiency and the development of rural economy (Wang et al., 2023b).However, in the process of promoting and applying photovoltaic agriculture, factors such as land use, environmental protection, and socioeconomic feasibility need to be considered, and corresponding policies and measures need to be taken to achieve sustainable development of photovoltaic agriculture (Hu et al., 2023).

2) Rural wind energy
Wind energy resources are rich and widely distributed in China.With the breakthrough of low wind speed technology, most areas of China, especially the low wind speed resource areas in the middle and southeast of China, have been equipped with the development conditions (Wang, 2023), and the potential resources available for  development are more than 1 billion kW.A large number of scattered unused land resources in rural areas also provide the resource base for wind power development and utilization.Figure 7.In 2022, 11,098 newly installed machines with a capacity of 49.83 million kW were installed in China (excluding Hong Kong, Macao, and Taiwan).The installed capacity of onshore wind power increased by 44.672 million kW, and that of offshore wind power increased by 5.157 million kW.By the end of 2022, China had installed more than 180,000 units, with a capacity of over 39 million kW, of which 36 million kW had been installed on land and 30.51 million kW had been installed on sea.
As shown in Figure 8, in 2021, wind power was mainly installed in North China, Northwest China, and East China, and the installed wind power capacity in North China accounted for 26.9%.Northwest China followed with 22.8 percent.East China installed 64.4 million kW of wind power, accounting for 19.6 percent.Central China, Northeast China, Southwest China, and South China had less installed wind power, accounting for 10.3%, 7.9%, 6.6%, and 6.0%, respectively.
In the current development scenario of rural wind power in China, although the income of rural decentralized wind power at this stage is not as concentrated as the project, if we increase the investment in technology optimization, model innovation, and other aspects, the future rural decentralized wind power will have very good development prospects.On the one hand, decentralized projects have the natural advantage of being close to the power load side, especially with the continuous improvement of rural electrification.From the perspective of overall energy production and utilization efficiency, the rural decentralized wind power market has broad prospects.The selfbalance of energy in a certain region is also the trend and direction of future power grid development.On the other hand, combined with the current situation of the development of new energy in China's rural areas, especially in the central and eastern regions, the large-scale development of centralized contiguity is facing increasing challenges in terms of land, forest, grass, and environmental protection.At these levels, decentralized projects are more flexible.

3) Rural biogas energy
Rural biogas digestion is mainly carried out through the use of poultry manure through natural fermentation, thus producing large amounts of biogas, biogas slurry, and other energy.A 6cubic small biogas digester can alone maintain the energy consumption for a year for a family of five people.Biogas technology is one of the biomass energy technologies (Chen et al., 2023).At present, our household biogas technology is basically mature, and increasingly perfect, with its popularity rate rapidly.As shown in Figure 9, in 2022, the accumulated installed capacity of biogas power generation in China reached 1.22 million kW, with an annual output of 3.95 billion KWH, an on-grid electricity of 3.32 billion KWH, and an annual utilization hour of 3,233 h.
By the end of 2020, China had 30.7771 million methane users, 11% less than that in the previous year.There were 93,480 biogas projects of all kinds, 8.9% less than that from the previous year.The biogas project has a total pool capacity of 21,793,500 cubic meters, a gas supply of 1,701,000 households, and an installed power generating capacity of 350,000 KWH.The quantity of household biogas and biogas projects showed a decreasing trend year by year.The details are shown in Table 5.The operation of biogas projects has effectively controlled pollution, improved the rural environment, and improved the quality of life of farmers, which is an inevitable trend of constructing ecological homes and realizing a virtuous cycle of agricultural economy.

4) Rural biomass energy
With the rapid growth of biomass power generation, the proportion of biomass power generation in our country's new energy has been steadily increasing year by year.China's rural areas are carrying out a revolution from traditional energy to biomass energy and other new energy transformations, which, once successful, can not only improve the rural ecological environment but also promote the construction of a beautiful livable countryside.In addition, it can make full use of rural idle resources, solve the problem of energy shortage in China's rural areas, and promote the development of green agriculture.China's installed capacity of biomass power generation has been the highest worldwide for 3 consecutive years.In recent years, China's biomass energy generation has maintained a steady growth, with a year-onyear growth of 19.35%.The details are shown in Figure 10.By the end of 2022, the cumulative installed capacity of agricultural and forestry biomass power generation was 16.23 million kW, with an annual generating capacity of 51.6 billion KWH and an on-grid power capacity of 44.2 billion KWH, with an annual utilization of only 3,199 h.Since 2018, the utilization hours of agricultural and forestry biomass power generation projects have been declining year by year.The main reason is that subsidies from the National  Renewable Energy Development Fund cannot be issued in a timely manner, and the funding chain of some agricultural and forestry biomass power generation projects has been broken.
As shown in Table 6, by the end of 2020, there were 183 straw pyrolysis gasification projects in China, with 14,000 households supplying gas.There were 2,664 straw curing molding fuel production plants, with an annual output of 12.797 million tons, and 102 straw carbonization projects, with an annual output of 462,000 tons.In 2020, there were 238 straw baling central heating projects, providing heating space for 106,000 households and 8.15 million square meters.In 2020, the country carried out the whole village pilot application of biomass clean stoves in Heilongjiang and other places.

Industrial policy
Since entering the new era, the development of China's rural energy policy has experienced three stages.The first was the shortage period (1979)(1980)(1981)(1982)(1983)(1984)(1985)(1986)(1987)(1988)(1989)(1990)(1991)(1992)(1993)(1994)(1995), when rural areas lacked basic commodity energy services and mainly relied on non-commodity energy sources such as fueling wood and straw (Shi et al., 2023), which led to serious energy poverty (Wu and Han, 2022).The second is the period of security demand (1996)(1997)(1998)(1999)(2000)(2001)(2002)(2003)(2004)(2005)(2006), during which China's rural energy policy focused on serving national energy security and promoting the diversification of energy supply.Last but not least was the phase of coping with climate change (2007-present).In 2007, the Chinese government had issued China's National Program on Climate Change, which assigns new tasks to rural energy to improve and mitigate the impact of climate change.In addition, in 2020, the country announced the goal to actively yet prudently promote carbon peak carbon neutrality.An energy revolution in rural areas can help achieve the goal of reaching peak carbon neutrality.From 2019 to 2023, the state has repeatedly promulgated a series of policies in the field of rural new energy (Guo et al., 2023) (see Table 7).
As can be seen from Table 7, from the situation of policy promulgation, the number of policies is on the rise.The issuing  departments have changed from a single subject to multiple subjects, and the degree of joint decision-making has increased.The contents of the document are mostly related to rural revitalization strategy, economic and social development, and the dual-carbon target.
According to the policy mechanism, there is still some imbalance in the new energy policy of rural areas (Wu, 2020), more inclined to direct financial allocation, increase technical support and scientific and technological research and development, strengthen publicity and guidance, and create demonstration, while ignoring the incentive of other economic measures, the construction of technical personnel, and the construction of supporting infrastructure; from the perspective of policy implementation purposes, the scope of our rural new energy policy has been gradually refined; from the perspective of the overall energy structure, the scope of our rural new energy policy has been gradually refined to a certain field, from the initial focus on the overall rural electricity security, improving coal clean transformation efficiency, energy comprehensive construction to focus on new energy utilization, double carbon goals, rural energy revolution, and rural revitalization (Li et al., 2021).China's new energy policy system is multi-level, all-round, and diversified, which is mainly divided into three categories: development policies.For example, the 2019 photovoltaic power generation project construction work plan issued by the National Energy Administration in May 2019 strictly regulates the competitive allocation of subsidy projects and optimizes the construction investment and business environment, starting from the development of new energy sources.Energy-saving policies, such as the work plan for comprehensive supervision of clean energy consumption issued by the National Energy Administration in March 2021, promote the effective implementation of new energy consumption policies and ensure the efficient use of new energy in rural areas (Luo et al., 2022).Traditional energy transformation policies, such as the opinions on improving the system mechanisms, policies, and measures for green and low-carbon energy transformation issued by the National Development and Reform Commission and the National Energy Administration in February 2022, are conducive to promoting the high-quality development of rural new energy and the comprehensive green transformation of economic and social development (Song et al., 2023).It will provide a guarantee for the scientific and orderly promotion of the goal of carbon peaking and carbon neutrality on schedule and the construction of a modern economic system.By 2025, the annual renewable energy generation will reach around 3.3 trillion KWH.During the 14th Five-Year Plan period, the increase in electricity generation from renewable energy sources accounted for more than 50 percent of the total increase in electricity consumption, and the electricity generation from wind and solar energy doubled.By 2025, China will have about 33 percent of the total amount of renewable energy electricity consumed and about 18 percent of the nonhydropower consumption of renewable energy electricity.The construction of onshore wind power and photovoltaic power generation bases should be coordinated, and the development of large-scale wind and solar power generation bases should be accelerated, focusing on the Gobi desert and other desert areas.The construction of offshore wind power bases in an orderly manner and the distributed development of wind power and photovoltaic power generation should be actively promoted.

National Energy Administration
Ministry of Finance 1) Benefit target of new energy resource production.It is to build the rural new energy production system.On the one hand, it is to build the distributed production unit of industrial resources, and on the other hand, it is to build the system information platform.
For the construction of the system, the common construction methods include BT mode and improved PPP mode.① BT mode.BT is building and transfer, for the first construction, after the transfer construction mode.Through bidding, the initiator signs a construction BT contract with the winning bidder, entrusts the project to the winning bidder for construction, and accepts the project after completion of construction, as shown in Figure 11.2) Improved PPP mode.The conventional PPP mode refers to the cooperation between the government and private capital to participate in the construction of public infrastructure.In the construction process of energy internet + rural energy (Yang et al., 2021), an improved PPP model can be adopted, that is, based on the cooperation alliance in the PPP model, the cooperative subjects will be expanded to include government departments, power grid companies, new comprehensive energy construction companies, and social capital, and the power grid companies and new comprehensive energy construction companies will take the lead.Multi-party cooperation in the construction and operation of the rural new energy industry (Yu et al., 2022) is shown in Figure 12. 2) Interest behavior of new energy resource production.Based on the key business, in the resource production stage of the rural new energy industry, the partners are mainly equipment manufacturers, system developers, social subjects, and the government.Purchase equipment from equipment manufacturers; rely on the technology of system developers to develop a modern internet platform, to realize the construction of the system equipment layer and platform layer; cooperate with social subjects and the government to absorb social capital and obtain national policy support so as to reduce investment costs and improve investment efficiency.

Utilization stage of rural new energy resources
As can be seen from Figure 13, a basic business includes energy supply service, auxiliary service, and clean energy service.Energy supply service is based on rural energy, carrying out distributed power generation in the local consumption, supplying energy to end-users at the same time, the surplus online; auxiliary service refers to the frequency modulation, voltage regulation, and reserve and other services provided by the pointer to the power grid.Clean energy service is a policy subsidy for promoting green electricity to end-users.The extended business includes energy management services and energy-saving transformation services.Energy use management services refer to providing end-users with energy use solutions, energy use quality management and customization, equipment operation and maintenance services, etc. Energy-saving transformation service refers to the end-users, the use of demand response, energy package, and other means to provide energy efficiency management, energy-saving transformation, and other services.Value-added services include energy financial services and information services.Energy financial services refer to providing consumers with financial services such as power failure compensation insurance.Information service refers to the energy use data based on the consumption end.On the one hand, it provides energy use data and energy use plans for consumers at the consumption end; on the other hand, it provides differentiated user portraits for producers at the production end.
Benefit behavior of new energy resource utilization.Based on key services, in the market-oriented operation stage, the main partners are end-users and power grid companies.For end-users, on the one hand, they sign an energy use contract with the investor (the manager of the investor is assumed in this paper) and reach a supply-demand cooperative alliance (Zakaria et al., 2020).On the other hand, energy management contracts are signed with the investors and builders to achieve demand response cooperative alliance.The power grid company, on the one hand, can sign a two-way auxiliary service contract with the investor (assuming the investor is a new comprehensive energy construction company here) to provide backup, frequency modulation, and other services to each other and reach a backup cooperation alliance.On the other hand, the investors signed the surplus Internet contract and reached the consumption of clean energy cooperation alliance.

Interactive analysis of interest linkage
Based on the design of the rural new energy business model, this section further analyzes the interest relationship of multi-subject capital flow under different development stages, as shown in Figure 14.
It can be seen from Figure 14 that in the development stage of rural new energy resources, stakeholders mainly include project construction and initiator, social subjects, scientific research institutions, logistics companies, and agricultural users (Dong et al., 2023).In this stage, the power grid company or the new comprehensive energy construction company is the construction and initiator of the project, which is the outflow of funds.If the social subject participates in the construction cooperation, it needs to pay the investment fee for the construction, which is also the outflow of funds.If the social subject does not participate in the construction but can provide services for the construction, it can get the construction service fee, which is the inflow of funds.Agricultural users, logistics enterprises, and research institutes for distributed unit siting need to pay biomass resource recycling waste fee, logistics service fee, and research fee, respectively, belonging to the inflow of funds.In the production stage of rural new energy resources, stakeholders mainly include project construction and initiator, social subjects, government, system developers, and equipment manufacturers.In this stage, the role positioning of construction and initiator and social subject is consistent with that of the resource development stage.For the government, it can be either capital outflow or capital inflow.By formulating policies, the government designs subsidy policies for investment and construction on the one hand and investment funds and punishment measures on the other hand so as to obtain benefits in case of violations by the investors (such as violation of occupation of farmland).For equipment manufacturers and system developers as equipment providers and platform developers, the investors need to pay equipment purchase fees and platform development fees to them, respectively, which belong to the capital inflow.In the utilization stage of rural new energy resources, stakeholders mainly include the construction and initiator of the project, the power grid (if the power grid does not belong to the construction and initiator of the project), the government, and the end-user.In this stage, the construction and sponsors, the power grid, and the government have both capital inflows and outflows.Among them, for builders and initiators, capital inflow mainly includes service income from the government, power grid, and end-users.Capital outflow mainly includes penalty cost paid to the government, standby service cost paid to the power grid, and demand response cost paid to users.As for the end-users, they need to pay service fees for various services to the investors, which belong to the outflow of funds (Yu and Yin, 2023).

Analysis of benefit components
Based on the analysis of the flow direction of multi-agent value, the cost and value components of rural new energy are sorted out, with the participant as the main body.As shown in Figure 15, the benefit components mainly include cost measurement and value measurement.The cost is divided into three stages: development, production, and utilization.The development stage includes biomass recycling fee, logistics service fee, scientific research fee, and development service fee.The production stage includes equipment purchase fee, platform development fee, policy penalty fee, and development service fee.The utilization stage includes standby service fee, policy penalty fee, demand response fee, and utilization service fee.The utilization stage of value measurement includes seven parts: energy supply income, energy management income, energy management income, energy insurance income, auxiliary service income, demand response income, data realization income, and policy subsidy income.
4 Optimization of rural new energy system construction

Main problems of rural new energy system construction
In recent years, China's rural new energy industry has been developing rapidly.The state also attaches great importance to it and has introduced relevant policies to support it.However, due to the limitations of the rural economy and technology, the rural new energy industry of China has a certain gap between the realization of the double carbon goals, and problems still persist.
1) Low energy efficiency and imbalance of the supply and demand structure At present, China's new energy resource utilization efficiency is low and does not conform to the requirements of promoting green development.According to statistics, at the end of 2020, the proportion of new energy usage in China was only approximately 15%, the main energy sources still being coal, oil, straw, firewood, and so on, caused by coal, oil, and other traditional energy carbon emissions of more than 85% (Li J. et al., 2023), and the most extensively used method is direct combustion, with low utilization efficiency, producing large amounts of soot, polluting the environment, and aggravating haze.Rural areas are rich in solar energy, wind energy, small hydropower, and other resources.However, due to the scattered distribution in rural areas, the high cost of new energy technology development, and the insufficient understanding of new energy technology in rural areas, the development and utilization level of new energy in rural areas is low, and the imbalance between supply and demand exists.With the acceleration of urbanization and industrialization in the medium and long terms, the lifestyles of farmers and urban residents are becoming increasingly similar, and traditional energy sources are increasingly unable to meet the needs of rural production and living.

FIGURE 12
Improved PPP construction mode.

FIGURE 13
Rural energy resource utilization stage key business.

Frontiers in Energy Research
frontiersin.org19 Yin and Zhao 10.3389/fenrg.2023.12834072) Backward infrastructure and a single source of funds In China, new energy infrastructure is weak, technology development investment is insufficient, the modernization scale operation level is low, and the general energy service ability is insufficient (Wang, 2022).After the construction of new energy infrastructure projects in rural areas was put into use, the follow-up technical services could not keep up.For example, although China has a large agricultural population, the total installed power capacity of agricultural production and rural living is only 80 million kW, accounting for less than 4% of the total installed power capacity of the country, and the average power supply capacity of each household is only 1/10 of that of urban areas.The rural new energy construction investment scale has a long recovery cycle and high uncertainty.At present, our rural new energy industry is still mainly led by state investment, the capital gap is large, the capital source is single, and the new energy development level and the low level of economic development restrict the energy transformation (Naumann and Rudolph, 2020).3) Loose policy structure and lack of long-term mechanisms Since the reform and opening up, the new energy policy of the countryside needs to be adjusted and improved with the changing situation.However, the new energy policy needs to be implemented with integrity, long-term nature, and pertinence.Compared with Wang et al. (2022), this study found that in 2019-2023, China had promulgated more than 30 major new energy-related policies.In the formulation of new energy policies, China lacks overall consideration, often only considering new energy and the economy or new energy and the environment, rarely coordinating the three, which is not conducive to sustainable development.In the implementation of the new energy policy, the development of the new energy industry needs strong support and planning of the government; however, at present, the new energy industry policy support is weak, and the departments in the formulation of policies or examination standards have not specified the implementation standards (Wang and Yuan, 2023), resulting in the lower executive departments having too much free play space and scope, with a lack of unified planning and guidance.The implementation of new energy policies often lacks follow-up supervision and promotion, resulting in improper implementation.
4) The interest connection is not tight, and the interest relationship is unstable Compared with He et al. (2022), this study found that from the current point of view, there are still some difficulties and constraints in the process of development, production, and utilization of rural new energy connection.The problem of interest connection among market entities has not been completely solved, and a close community of interests needs to be improved.The interest subjects of innovation and development of the rural new energy industry are not closely connected, the interest relationship is not stable enough, and the willingness to continue cooperation needs to be enhanced, hence resulting in lack of new energy exploitation, weak consumption power of farmers, and poor effect of industrial carbon reduction and efficiency improvement.

Suggestions on the construction and development of a rural new energy system
1) Accelerate the transformation of new energy consumption patterns in rural areas and improve energy efficiency At present, most of the energy requirements of rural life depends on coal, straw, and so on, so efficient development of rural new energy needs to be driven by coal to electricity and coal to gas, gradually increasing rural distributed photovoltaic, biogas, biomass energy, etc., through the comprehensive energy system to improve energy efficiency so as to reduce the unit energy density and carbon emissions (Wu et al., 2023).At the same time, we should reduce the proportion of non-commercial energy use, promote the replacement of domestic electric energy and comprehensive energy supply, adapt to local conditions, reduce low-quality loose coal, choose new energy suitable for local use, improve energy efficiency, promote energy conservation and carbon reduction in important areas, and improve the quality of life of rural residents.

2) Optimize the development and construction of new energy infrastructure and increase financial investment
To enhance the development of distributed wind power and distributed photovoltaic systems in rural areas, it is essential to accelerate the classification and recycling of household waste.Additionally, expanding the resource development radius and standalone capacity of biomass energy, as well as solid waste such as straw, is crucial.Moreover, it is necessary to explore the promotion and utilization of carbon capture devices for biomass and waste power generation (Yu et al., 2023).We are committed to establishing standards for the operation and maintenance of new energy systems in rural areas to ensure safe energy production and guarantee a consistent and reliable supply of new energy.Additionally, we will enhance comprehensive energy operation and peacekeeping services in rural areas.We will actively encourage farmers to participate in the development and construction of new energy resources through initiatives like collective land and labor force investment, aiming to increase their engagement and recognition.By doing so, we can effectively reduce the development and supply costs associated with new energy resources in rural areas.Moreover, we will increase financial support and encourage financial institutions to innovate financing methods and service models.This will enable us to provide differentiated financial assistance to high-quality projects.
3) Improve the policy and system guarantee of new energy in rural areas and boost confidence in new energy development With the completion of poverty alleviation in rural areas and the improvement of rural economy, relevant policies and system guarantee can consolidate the achievement of poverty alleviation to a certain extent (Wang S. et al., 2023).It is necessary to ensure the integrity, coherence, long-term stability, and pertinence of policies; actively explore new energy incentive policy support means; and stimulate the enthusiasm of participants by improving economic benefits.Economic incentives such as low-interest loans, tax cuts, and fee cuts are given to enterprises to enhance the enthusiasm and initiative of investing in the development of rural new energy, increase the training of relevant technical personnel, and promote the innovation and promotion of rural new energy technology, application mode, and commercial mode (Wang B. et al., 2023).The government should strengthen publicity in the pilot areas of rural new energy reform, while also conducting thorough research and demonstration on the economic value of rural new energy.It is crucial to promote feasible practices and amplify the demonstration effect to effectively achieve the double carbon goal.

4) Strengthen the coordinated development of interest-linked subjects and promote the realization of dual-carbon goals
At present, the interest-linking subjects of rural new energy development are more diverse, the interest-linking relations are more complex, and the interest-linking scenes are more sophisticated.Therefore, it is necessary to take the development, production, and utilization of rural new energy as a complex systematic whole; apply the complex system theory; strengthen the complementary advantages of multiple subjects, resource sharing, mutual benefit, and synergy; and fully combine the rural resource endowment.It is important to explore a typical model of interest linkage based on local conditions, focusing on the principles of clean and low-carbon, nearby utilization, and benefiting the people.This will help achieve the synergistic effect of pollution reduction and carbon reduction in agriculture and rural areas (Finn and Brockway, 2023).In short, under the double carbon goal, the innovation and development benefits of the rural new energy industry should be connected according to local conditions, according to the current conditions, according to the needs of the situation, according to the situation, and according to the situation.

Conclusion
In view of the problems existing in rural energy development under the "dual carbon" goal, this paper integrates and summarizes the relevant data on rural new energy in recent years.The existing literature pays more attention to the development trend and reform path of rural energy, but pays less attention to the consumption, utilization, and linkage development mechanism of rural new energy.This paper analyzes the current development and utilization status of rural new energy in China and the linkage development mechanism.The results show the following: 1) Energy output in rural areas is mainly concentrated in wind energy, photovoltaic energy, and water energy, followed by biomass energy.The development and utilization of new energy has been increasing continuously, but the utilization efficiency is low and insufficient; 2) The total amount of new energy consumption in rural areas continues to increase, and its overall situation is good in terms of production and supply mode, consumption structure, and industrial development.However, due to the rising demand, the contradiction between the supply and demand of new energy in rural areas is aggravated, and there is still a certain gap in the construction process of a modern new energy system in rural areas.3) The scale of the rural new energy industry increases, policy support is strengthened, and the industry development environment is optimized.However, there is an imbalance in policy development, which tends to direct financial allocation while ignoring the training of relevant technical personnel.4) In the process of rural new energy connection development, interest subjects are not closely connected, the interest relationship is unstable, the interest connection among market subjects has not been completely solved, and a close community of interests needs to be improved.New energy resources are not fully tapped, farmers' consumption power is not strong, and industrial carbon reduction and efficiency is not good.In theory, this paper supplements and expands the current literature research and studies the development and utilization status of rural new energy development, linked development mechanism, and system construction from a new perspective.In reality, this paper starts from the current situation of rural new energy development and utilization; analyzes the scale of rural solar energy, rural wind energy, rural biogas energy, and other new energy industries; closely follows the national pace of rural new energy development; analyzes the latest policies of rural new energy industry; analyzes the development mechanism of rural new energy connection; and provides corresponding solutions to stakeholders.It also provides reference for the subsequent related research and rural new energy development.
At present, China's rural energy revolution is booming, and the results are remarkable.The model innovation, policy innovation, and path innovation formed in the process of promoting the development of rural new energy in China have a high degree of wide applicability.Rural areas are the resource base and hold an important position in new energy development.The biggest pressure on global sustainable development comes from the climate challenge, which requires all countries to implement carbon reduction strategies.In this historical trend, the development of rural areas all over the world has ushered in valuable opportunities.China's rural energy revolution has been further promoted to contribute to a new road and a new model, and in the process of promoting the strategic adjustment of China's energy structure, rural areas occupy a very prominent position.A series of important documents have been issued, and policies have become increasingly perfect.The global rural clean energy development faces many common technical problems, model problems, and policy problems, and the extraordinary practice of China's rural energy revolution provides valuable exploration experience and rich solutions for breaking through these problems.
The green energy transformation and development in rural areas are essential to meet the people's aspiration for a better quality of life.Moreover, it plays a vital role in the establishment of a modern energy system.This endeavor holds great significance in not only consolidating and expanding poverty alleviation achievements but also promoting rural revitalization, achieving carbon peak and carbon neutrality, and modernizing agriculture and rural areas.To realize the double carbon goal, it is imperative to vigorously develop rural new energy.This entails increasing the proportion of new energy utilization and enhancing relevant infrastructure.Additionally, expediting the green transformation of the rural new energy structure is crucial.Providing strong institutional support for rural new energy development is necessary, along with fostering coordinated development of stakeholders involved.By improving the quality of life for residents in rural areas, a modern rural new energy development system can be established.This will contribute to the support of rural revitalization and the achievement of the carbon peak and carbon neutral goals.
The research in this paper focuses on theoretical research, without actual research, and individual data are not updated to the latest year, resulting in incomplete data.Rural areas are rich in new energy resources such as wind energy, solar energy, and biomass energy, which is an important field for realizing the double carbon goal.With the rapid development of new energy in rural areas, the complexity of energy use in rural areas will continue to increase in the future.To address the limitations of this paper, it is hoped that more detailed data can be collected and detailed practical research can be conducted in subsequent studies in order to accelerate the construction of a modern rural new energy system and achieve the double carbon goal.Yin and Zhao 10.3389/fenrg.2023.1283407

FIGURE 1
FIGURE 1Supply and consumption structure of rural energy.
, 2023).Rural coal consumption shows an overall growth trend, as shown in Table 3.By 2019, rural coal production and consumption had reached 28 million tons of standard coal.The proportion of coal products in total rural production and consumption has been declining, from 47% in 2009 to 32% in 2019, a decrease of 15 percentage points.Diesel and coal have the same trend of change.The total amount of diesel has been increasing, but the proportion of energy consumption in rural production shows a slow decline.The consumption of diesel had increased from 17.28 million tons of standard coal in 2009 to 21.81 million tons of standard coal in 2019.From 2009 to 2014, although electricity consumption showed an increasing trend, its proportion in rural production energy consumption showed a decreasing trend.After 2014, with the promotion of rural electrification construction, the total amount and proportion of electricity consumption increased year by year.As shown in Figure 3, in 2019, the electricity consumption reached 26 million

FIGURE 2
FIGURE 2 Total domestic energy consumption from 2000 to 2019 in rural China (tec).

FIGURE 3
FIGURE 3 Proportion of major components of rural energy use in 2019.Data source: Ministry of Agriculture and Rural Affairs of China.

FIGURE 4
FIGURE 4Development and utilization mode of rural new energy.

FIGURE 5
FIGURE 5 China's solar energy capacity, 2016-2020.Data source: National Bureau of Statistics of China.

FIGURE 7
FIGURE 7 China's accumulated installed capacity and new capacity of wind power generation from 2018 to 2022 (10 MW).Data source: China Wind Power Market Current Situation In-depth Research and Future Prospects Analysis Report (2023-2030).
FIGURE 8 2021 China wind power industry regional market share.Data source: China Wind Power Market Current Situation In-depth Research and Future Prospects Analysis Report (2023-2030).

FIGURE 9
FIGURE 9 Installed capacity and new capacity of biogas power generation from 2015 to 2023 (10 MW).Data source: China Biomass Energy Industry Development Yearbook (2023).

FIGURE 10
FIGURE 10 Installed capacity newly added capacity of agricultural and forestry biomass power generation in 2016-2022 (10 MW).Data source: China Biomass Energy Industry Development Yearbook (2023).
FIGURE 11BT construction mode.

FIGURE 14
FIGURE 14Analysis of multi-subject interest relationship in different stages.
FIGURE 15Different stages of interest components.

TABLE 1
Output of the rural energy industry from 2011 to 2020 (10,000 tons of standard coal).
Data sources: National Bureau of Statistics, Agricultural Statistics of China, and National Energy Administration.

TABLE 2
Total consumption of commodity energy and domestic energy in rural areas from 2000 to 2019 (tec).

TABLE 3
Energy consumption of commodities produced in rural areas from 2009 to 2019 (10,000 tons of standard coal).

TABLE 4
Development and utilization of solar energy nationwide from 2013 to 2020.

TABLE 5
Development of biogas in rural areas of China from 2013 to 2020 (accumulated at the end of the year).

TABLE 6
National biomass energy development from 2013 to 2020 (accumulated at the end of the year).

TABLE 7
China's major new energy policy from 2019 to 2023.

TABLE 7 (
Continued) China's major new energy policy from 2019 to 2023.

TABLE 7 (
Continued) China's major new energy policy from 2019 to 2023.

TABLE 7 (
Continued) China's major new energy policy from 2019 to 2023.

TABLE 7 (
Continued) China's major new energy policy from 2019 to 2023.

TABLE 7 (
Continued) China's major new energy policy from 2019 to 2023.