Abstract At the end of last month, the photovoltaic industry expects that the multi-day photovoltaic power generation subsidy policy will eventually land. The power grid investors' electricity price and electricity price subsidy standards and the implementation deadlines that are most concerned by power station investors are clear. Resident household distributed photovoltaic power station, how much does it cost to send 1 degree of electricity? Make up...
At the end of last month, the photovoltaic industry expects that the multi-day photovoltaic power generation subsidy policy will eventually land. The subsidies for the on-grid tariff and electricity price subsidy standards and the implementation deadlines that the power station investors are most concerned about are clear. Resident household distributed photovoltaic power station, how much does it cost to send 1 degree of electricity? What does the introduction of subsidy standards mean for this industry? 
On August 30th, the National Development and Reform Commission issued the “Notice on Promoting the Healthy Development of the Photovoltaic Industry by Using Price Leverage†to clarify the implementation of the benchmark on-grid tariff policy for photovoltaic power plants. According to the solar energy resource conditions and construction cost of the area where the power station is located, the country is divided into three types of resource areas, which respectively implement the price standard of 0.9 yuan, 0.95 yuan and 1 yuan per kWh, of which Jiangsu Province
Class III resource areas enjoy 1.0 yuan / kWh electricity price. This is for traditional PV power plant projects. For distributed photovoltaic power generation projects, a policy of subsidizing electricity prices according to the amount of electricity generated is implemented. The subsidy rate for electricity prices is 0.42 yuan per kWh. “Distributed photovoltaic power subsidies cost 0.42 yuan per kilowatt, what does it mean?†Gu Wei said that whether it is a business or a resident individual, as long as it is a distributed photovoltaic power generation project (with an installed capacity of less than 6 MW), the amount of electricity generated can be Enjoy a state subsidy of 0.42 yuan per kilowatt hour.
If you remove the self-use, and the amount of electricity on the Internet, the grid will be recycled according to the price of desulfurized coal, and the price per kWh will be priced at 0.45 yuan. If the national subsidy is counted, it will be able to send 1 kWh to the national grid. The income is 0.87 yuan. “Enterprise distributed power generation projects are more cost-effective if they are self-sufficient.†Gu Wei said that the current electricity consumption of enterprises is based on large industrial electricity prices, which is higher than the desulfurization coal price.
Take 0.637 yuan per kilowattage as an example. If you use it yourself, you can save not only 0.637 yuan per kilowatt, but also 0.42 yuan, which is equivalent to the income of 1.057 yuan, which is more cost-effective than the benchmark electricity price of 1 yuan.
Good for residents, it is expected that the number of household power stations will increase
“The good for the residents is still relatively large.†Gu Wei said that before the subsidy policy was introduced, only the enterprises with the ability to apply for the benchmark electricity price could be applied for the photovoltaic power generation project. As a resident individual, the family distributed photovoltaic power station It is not available. After the subsidy standard is clear, more residential users are expected to join in and establish a home power station.
It is understood that there have been five new projects in Wuxi in the past two months. At present, there are 23 distributed photovoltaic power generation projects in the city. Among the 5 new ones, 4 are residential users, 2 of which are in Wuxi City and 2 in Jiangyin, with installed capacity between 2 kW and 5 kW. Shen Zhongjie, who lives in the Yinxingyuan of Nanchang District, is one of them.
As early as last year, he had the idea of ​​building a home photovoltaic power station, hoping to make good use of the roof to practice the concept of green environmental protection. His residential building is a compound penthouse building. The second floor of the building is a family. His home is three or four stories. The top of the building is in the shape of a slope. The area is relatively large and 40 square meters is available. "With regard to the use of the roof, I have already spoken well with the property, and the neighbors downstairs have reached an agreement."
Shen Zhongjie is engaged in the photovoltaic industry. He is also technically advantageous. With the increasingly clear national policy, he has already prepared for the preparatory work. The design plan and installation equipment have been put in place, and 3 weeks ago. Wuxi Power Supply Company submitted a grid application.
The installed capacity of Shen Zhongjie is 3 kW. The roof of 40 square meters can be used to lay 12 250 watt solar panels. The duration of sunshine in Wuxi is expected to be 260 kWh per month. It is understood that after the mini power station of Jiangyin Zhao Gangjia, there are currently 7 families applying for distributed photovoltaic power generation projects in the city. Applicants are mostly professionals in the industry. Due to space, they are concentrated in villas and private houses.
The subsidy policy was introduced and competition in the industry has begun.
Due to the future development prospects of distributed photovoltaic power plants, some people have begun to accumulate operational experience while establishing personal home power plants. When distributed power is popularized, they provide a full range of professional services from design to installation for other enterprises or individuals. . At present, competition has begun. Now, among the household distributed generation users who apply for grid connection in Wuxi, there are professionals in the industry who build on behalf of the residents.
Although residents' enthusiasm is getting higher and higher, the industry insiders suggest that from the perspective of investment, even if the subsidy standard is introduced, it will take 6-7 years to recover the cost of the photovoltaic power station of residential houses with an installed capacity of about 4 kilowatts. “Once the application is made, the power supply department spends a lot of manpower and resources on site survey, access plan preparation and review. At the last time, if the cost is large and the investors or users are not built, it will cause a lot of waste of resources.†An industry insider Introduction.
In the process of applying for grid connection, enterprise distributed PV projects need to carry out environmental impact assessment, and they must be approved by the Provincial Energy Bureau. However, the application for the establishment of distributed PV projects is relatively simple, and the approval procedures are relatively simplified. No need to approve, just go to the local power supply department. Apply now. Once the residents apply, the power supply department will conduct on-the-spot investigations. Each household must separately establish an access plan. Each household needs at least two electric meters. The total amount of self-generation, the amount of electricity stored on the electricity, and the electricity used in the national grid are all measured. Clearly, the access environment is complex and the access process is not simple.
It is understood that the load-bearing assessment of the building structure of residential buildings, the impact of the family's construction of solar roofs on the surrounding environment and other issues of concern to the residents, also need to be gradually clarified and resolved in the development of household distributed photovoltaic power plants. For more and more applicants who are likely to appear on the grid, the power supply department is gradually accumulating experience and optimizing access, acceptance and other operational procedures to better serve users.
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