Rooftop solar panels to prevail in Putuo
Print Edition
TWO apartment buildings in Putuo District became the first in Shanghai to use solar panels to power elevators, water pumps and public lighting.
Workers installed 196 solar panels on the roofs of two 25-floor buildings and a garbage station in Nanmeiyuan Community.
An LED display shows the amount of electricity they have generated.
These photovoltaic panels can generate 50,000 kilowatt-hours of electricity a year and save an equivalent of 20 tons of coal at the same time. That translates to a reduction of 50 tons of carbon dioxide a year. The electricity is enough to power public facilities in eight more buildings in the community.
In the future, the rooftop system will feed excess electricity to the city’s power grid. On overcast or rainy days, the community will get electricity from the grid to power its elevators, water pumps and public lamps.
The community has invited experts to make a feasibility study before installing solar panels on all buildings.
The 196 solar panels and their installation cost 700,000 yuan (US$104,477.61). The city and district governments paid 600,000 yuan in subsidies. The rest was paid by residents.
District authorities plan to cover more roofs with solar panels, including those of parking lots, garbage houses and transformer stations.
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