In October last year after the State Grid Corporation announced the introduction of "free access, full acquisition" policy for distributed photovoltaic power, the country's first family photovoltaic plant in Qingdao, Shandong and power generation, currently running in good condition. The industry believes that tariff should soon improve, new energy subsidies, management and maintenance of national standards and other supporting policies to promote the orderly domestic photovoltaic applications. 

18 years to recover the cost 

December 21, 2012, Qingdao City, North Ridge Ditch folder Palit Road, Building 9, residents XuPengfei district erected on the roof of Qingdao grid photovoltaic power smoothly incorporated, becoming the nation's first network of families achieve and photovoltaic power. The photovoltaic power in normal operation so far, the average power over 5 kwh per day, of which the Internet about 3 kWh. 

Until April 22 this year, XuPengfei family small "power plant" cumulative generating 846.73 kwh, electricity revenues exceeded expenditures over the same period the family used electricity grid company. This means removing the cost of PV modules, XuPengfei photovoltaic "power plant" has begun for his money. To May 9, XuPengfei home photovoltaic "power station" total power has exceeded 1,000 kWh. 

Reporters on the scene saw nine polycrystalline silicon solar panels divided into two groups standing sunny, accounting to the roof area of about 1/10, around the various solar water heater is very eye-catching. 

According to XuPengfei introduction, the rooftop PV projects installed capacity of 2 kilowatts, the design life of 25 years, the "self-occupied, I power-line" mode of operation. Due to a discount when buying components, combined with their own installation, engineering, invested a total of about 2.1 million, the current tariff in accordance with the desulfurized coal price 0.4469 yuan / kwh, is estimated to take 18 years to recover the investment. 

Reporters learned that, after the country's first domestic photovoltaic power plants and network successfully, the grid company levels consulting, visitors will flock. According to the State Grid Corporation of statistics, by the end of February this year, the country has 19 provinces, at least more than 170 households applied for individual photovoltaic power and network services, distributed solar heat is increasing. 

Still faces many challenges 

Wang, general manager of the State Grid lines in Qingdao, Shandong power company says with a clean and efficient distributed photovoltaic advantages of in situ use in recent years has become an important direction for the development of national energy and electricity. But our distributed PV has just started, accelerate the promotion still faces many challenges: 

First, the lack of legal regulations. Qingdao, Shandong power company National Grid chief engineer Liu Yan said that the current natural investment distributed photovoltaic power generation projects, yet can not be industrial and commercial registration, the project can not be approved and power business license for not issuing VAT invoices can not be settled grid electricity tariffs This may hinder the development process of distributed photovoltaic power generation families. 

Second, the high cost, can not enjoy state subsidies. Personal photovoltaic power long payback period, and photovoltaic power does not work at night, relatively low efficiency. From the experience of foreign development of photovoltaic power point of view, it all depends on the rapid development of high government subsidies, while China has not yet issued for the construction of a natural use of photovoltaic power generation system of subsidies or price subsidies. 

Third, the architectural design lag, limited installation space. China's population and more and more high-rise residential building in the main, limited roof space.And although residential building facades can be installed, but not at right angles with the sun, it is difficult to achieve maximum power.

Fourth rooftop PV involves many tenants and property companies, stakeholders, installation coordination difficult. To prevent disputes, Qingdao Power Company currently requires household photovoltaic power grid Applicants must provide signed neighbors, property companies and the neighborhood. But many residents of large cities, mostly F-rise buildings, a unit may have a hundred residents, coordination very difficult. 

Formulate supporting policies should be intensified 

For our family photovoltaic new situations and problems arise, "ice-breaking" after some power experts, photovoltaic companies and user recommendations: 

First, the relevant policy should be introduced as soon as possible, the individual photovoltaic power application procedures, approval requirements, rights protection, and other areas of responsibility to make it clear that incorporate standardized management. Suggested business, financial, tax and other departments as soon as possible to build distributed photovoltaic natural industrial and commercial registration, subsidy standards, making clear that invoice and green channels. 

Secondly, as soon as possible to improve the distributed feed-in tariff policy. Deputy director of the State Grid Corporation of Development and Planning Department Zhangzheng Ling suggested that the individual distributed photovoltaic power into the national scope of subsidies, subsidies based on actual photovoltaic power generation. At the same time, to encourage the introduction of distributed PV "spontaneous use" policy to address the current portion of the user to enjoy state subsidies, "enthusiastic Internet, unwilling to use" issue. Except for I give national electricity grid electricity subsidies, electricity for self-occupied, can also be considered for a fixed price subsidies. 

Third, the establishment of PV electricity price linkage mechanism between the scale and development, according to the introduction of the total subsidy ceiling price subsidies. 

State Grid Energy Research Institute, said Zhang Yunzhou, photovoltaic power development is very sensitive to price policy, suggested that the state explicitly limit the total annual PV subsidy to build photovoltaic electricity linkage mechanism between the scale and development, in order to avoid subsidies appear deficit; strengthen Renewable energy subsidy funds to finance management to ensure full funding of subsidies, the timely release. 

Finally, as soon as the introduction of standards and testing and certification of photovoltaic products, strengthening of distributed PV facilities maintenance and management. Proposed to strengthen product standards and testing and certification of photovoltaic systems and build a product list of qualified suppliers, and dynamic management, in order to ensure that users and grid security. In addition, due to the small-scale distributed PV projects, distribution of scattered, often without special management put into operation, there is a big security risk, you should consider the establishment of a dedicated power plant maintenance teams in distributed photovoltaic relatively concentrated areas.