An aerial view shows the roof of the Zurich-Muelligen Post center with its photovoltaic panels in Zurich on March 27.

The new installed solar farm covers a panel surface area of 8,000 sq m and will produce around 1,300 megawatt hours of electricity per year which equals the power consumption of 370 Swiss households over the same period, the company said on Wednesday. Reuters/Michael Buholzer