日本東京：三菱機電在日本第四大城市名古屋自來水廠完成了191千瓦的光伏系統安裝，項目在2010年9月14日開始運作。自來水廠是第一個引進安裝光伏系統的公司，在其1430平方米的表面上大部分覆蓋著空調和在Nabeya-ueno水廠的照明設備。

Mitsubishi Electric has completed installation of a 191-kilowatt photovoltaic system which will start operation on September 14, 2010 at Nabeya-ueno Waterworks in Nagoya, Japan’s fourth largest city.
 
The waterworks, owned and operated by the Nagoya City Waterworks & Sewerage Bureau, are the city’s oldest water treatment facility and the first to introduce a PV system. Electricity generated by a total of 1,008 PV modules installed over a surface area of 1,430 square meters will partially cover the air conditioning and lighting requirements at Nabeya-ueno Waterworks.