If the inventory history of photovoltaic growth in recent years, household photovoltaic (pv) there will be a seat. Photovoltaic industry in China in recent years fast growth year after year, every year the development of more than market expectations. Especially in the last year & other; 531' Policy after the release, the pv industry is still hand over the history of new power the second high school, in the outbreak of the photovoltaic (pv), household photovoltaic (pv) is a bright spot in the window.
it is estimated that our country has more than 40 million independent roof, about 20 million households can install the roof of the photovoltaic power station, the installed capacity of up to 100 gigawatts (gw). If there is 20% 50% of the roof installation of photovoltaic power station, the household photovoltaic market scale will reach 320 billion - 800 billion, and now we are developing the number of household photovoltaic accounted for less than 5%. So, household photovoltaic market with hundreds of billions or even trillions of market potential.
in every household photovoltaic performance than expected, according to incomplete statistics, in 2017 new subscribers 500000, household photovoltaic has installed capacity of about 4 gw, growth rate of 250%. In 2018, according to data from the National Energy Administration photovoltaic new power 44. 26 million kw, and among them, the centralized power stations and distributed photovoltaic respectively increased by 23. 3 million kw and 20. 96 million kw, in here still occupies the important proportion.
however, compared with the flourishing of installed, household photovoltaic actually repeatedly broke specification of lagging behind, imperfect quality and safeguard measures, fire frequency now, make owner losses. On the surface, this is only negative effects brought by the industry savage growth, but at its root, we find that behind it but there are some routines and issue.
in photovoltaic system, it is using the light of the solar cell was born v effect, convert solar radiation directly into electricity, access to the user side grid photovoltaic power generation system, typical capacity of 3 kw, 5 kw, 10 kw, generally USES & other More than spontaneous for private use, electricity throughout the Internet &; Model, last year & other; 630' Before enjoy 0. 37 yuan/KWH of national electricity price subsidies.
relative to easily for mw capacity unit of large ground station, general household photovoltaic investment amount of the total investment amount of 2. 4 - Is 100000 yuan RMB, the investment amount is less. And compared with the centralized photovoltaic power station in cut electricity price subsidies every year, distributed significantly slowing declines in pv electricity price subsidies, maintain a fairly high level of income.
if a consistently high level power, photovoltaic power station 5 - 6 years and can recover the cost. As a result, household photovoltaic and nearly 20 years of net return period.
in terms of subsidies, as we have learned, household photovoltaic subsidies cycle generally not more than three months, the owners don't have to worry about subsidy arrears. Average household photovoltaic power station only need ten working days for application access; Due to the small size, household photovoltaic power station installation process generally not more than three days; After the installation is complete, can complete the interconnection acceptance within a week. So from application access to the grid acceptance, a household photovoltaic power station in 15 Within 20 days can start generating and generate revenue, procedure is simple. Thus, there is no denying that household photovoltaic have good prospects for development.
in 531 after the release of the New Deal after 4 months, three ministries to the late of 531's new supplement, post further defined in pv and & other 630' Electricity price policy. Among them, the regulations on May 31 last year, ) Before has been put on record, construction, and on June 30th last year ( ) Before the parallel operation of legal compliance with natural distributed photovoltaic power generation projects, scale management scope into national recognition, benchmarking and KWH electricity price subsidies standards remain the same.
from be born to perform policy published to the essence, time is not a kung fu. Can see survey understand parts of large power grid to did not handle filing-for-the-record matters in time, so in power station owner didn't enjoy the corresponding electricity price subsidies.
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