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What are the stable benefits of photovoltaic power generation? Dec 03, 2018

As a very good solar photovoltaic condition in Qinghai Province, the annual photovoltaic equivalent power generation hour is about 1497.

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In recent years, a number of large-scale photovoltaic power stations have taken root in Gonghe County, Hainan Tibetan Autonomous Prefecture, Qinghai Province, which not only effectively supported the poverty alleviation work in Qinghai  Province, but also formed a set of characteristics model of Qinghai PV poverty alleviation, with obvious results. In order to solve the difficult problem of the construction of photovoltaic power station construction land, at present, according to the status of land resources, the local area is considering the implementation of photovoltaic cross-regional poverty alleviation through the “enclave model”.

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“The distribution of poverty-stricken populations is characterized by small agglomeration and large dispersion. Among the major poverty-reducing factors, 55.4% are due to illness, disability, lack of labor, and lack of skills. This part of the poor needs long-term stable asset returns; poor villages have no collective The economic income accounts for more than 95% of the total number of poor villages.” Wei Boping, director of the Qinghai Provincial Poverty Alleviation and Development Bureau, said that from years of poverty alleviation practice, the difficulty of industrial cultivation is the main bottleneck restricting the development of poverty alleviation industry in Qinghai Province.

 

At the same time, Qinghai has abundant light resources. The number of sunshine days in the province is more than 6 hours from 250 days to 325 days. The average annual sunshine utilization time is 1600 hours. The barren hills and desertification areas are large, and the conditions for implementing PV poverty alleviation are very high advantageous.

 

Qinghai Provincial Poverty Alleviation and Development Investment Co., Ltd. is responsible for the management of photovoltaic poverty alleviation projects in the province. Zhang Hongcheng, chairman of the company, said: “Photovoltaic poverty alleviation is a precise poverty alleviation method with low investment, stable returns and sustainable. It can last for 25 years or even More than 30 years of stable power generation is especially suitable for helping disabled and poor disabled households, especially suitable for poverty alleviation in Qinghai. Since 2015, Qinghai  Province's photovoltaic poverty alleviation project has been in service and installed capacity of 721.6 MW, photovoltaic poverty alleviation. The industry directly or indirectly drives the poor households to reach 76,400 households and 320,000 people."

 

Photovoltaic poverty alleviation not only effectively supported the poverty alleviation work in Qinghai Province, but also formed a set of characteristics of Qinghai PV poverty alleviation. This model has three characteristics: First, the innovative investment and financing development model, Hainan's 100 megawatt centralized photovoltaic poverty alleviation power station is a new model of commercial photovoltaic power station poverty alleviation with Qinghai characteristics created by social capital; Second, actively introduce national photovoltaic The latest standards of “Leading Runners” further improved the quality and economic benefits of photovoltaic power plants, ensuring long-term stability of revenues; thirdly, they built a big data platform for photovoltaic poverty alleviation.

 

In June this year, the largest centralized photovoltaic poverty alleviation project in Qinghai Province, the 100 megawatt photovoltaic poverty alleviation project of Hainan  Photovoltaic Park was connected to the grid. In the distribution of poverty alleviation income, through two allocations, 25 million RMB of allocated funds can be used for poverty alleviation each year, and the yield of input and distribution can reach 44.64%. As a supplement to the village-level photovoltaic power station, the power station is inclined to lean in the poor areas of the province and poor households with no (weak) labor capacity.

 

The project uses 305 watts of single crystal PERC components, with conversion efficiency above 18.5%, and all indicators meet the third batch of front runner standards. Relevant persons said: "Only by improving conversion efficiency and increasing profits, we can ensure the benefits of poverty alleviation."

 

However, the promotion of photovoltaic poverty alleviation also faces many difficulties. Wei Boping said that 43% of the poor in Qinghai Province are in non-poor villages, but the first batch of village-level PV poverty alleviation indicators covers only 1,622 poor villages, and half of the poor people do not enjoy the dividend of PV poverty alleviation.

 

In addition, the implementation of land use difficulties is still the main problem to be solved in the construction of village-level photovoltaic power stations. In accordance with the State Administration of Photovoltaic Poverty Alleviation Power Stations, the village-level power station should be built in the construction of the poverty-stricken village  of Lika in principle. The voltage level of the outgoing line of the village-level joint power station shall not exceed 10 kV, and the construction scale shall not exceed 6000 kW. Photovoltaic poverty alleviation in Qinghai  Province has brought practical difficulties. “Qinghai has a vast territory and large regional differences. The eastern arid mountainous areas are densely populated and densely populated, and the per capita land area is very limited. The Qingnan area is fragile and scattered, and it is not suitable for accessing large-capacity village-level photovoltaic power plants.” Zhang Hongcheng said. Hainan and Haixi regions have a flat terrain, many desertified land, convenient access, and the “enclave model” under the premise of not changing the nature of village-level power stations, ensuring the fixed assets to the county-to-village and the poor households in poor villages. Cross-regional poverty alleviation can solve this problem well.