The contract is valid for six months or perform project full capacity. The article content is for reference only. Back forecasts distribution cabinet inverter total demand for 90 mw, 40 mw wind power projects for the first time purchase, reserve a 50 mw. What are the environmental protection and energy saving building new energy project 'photovoltaic (pv) of the world' this is a comprehensive systematic introduction photovoltaic summary of past, present and future of the development of corpus, wide-ranging, can meet the needs of different readers. New energy projects which estimates the battery contact pieces set series inverter total demand for 650 mw, for the first time purchase of 450 mw, reserve the battery contact pieces of 200 mw. Photovoltaic modules are divided into two blocks, the blocks 1: efficient PERC 400 wp and above single crystal components, forecasts for the first time purchase of 500 mw, reserves of 150 mw. Solar photovoltaic net news: China datang group start in September for the first batch of photovoltaic inverter centralized purchasing, photovoltaic modules covering China datang group company respective pv projects, estimated the total demand for 940 mw, 640 mw project, which for the first time purchase reserve of 300 mw project. Solar photovoltaic (pv) network statement: this information is reproduced from the media or other Internet web site, network cooperation photovoltaic network published the article for the purpose of the information, does not mean that agree with his point of view or confirm its description. 2, delivery schedule to ensure on December 30, 2019 project operation requirements. Block 2: efficient PERC single crystal components under 400 wp, forecasts for the first time purchase of 140 mw, 150 mw cabinet back reserves. This paper not only includes editor Wolfgang & middot; Dr Parr, herself, in its new energy career of more than 50 years, the deep understanding of the development of photovoltaic (pv) and system summary, solar building also includes global photovoltaic industry professionals engaged in new energy or a review of the photovoltaic difficult development, environmental protection and energy saving construction time of delivery is October 15, 2019 to November 15, 2019. Forecast the centralized inverter total demand for 250 mw, solar building for the first time purchase of 150 mw, reserves of 100 mw.