The solar panels on Exeter City Council buildings have generated more power than expected.
The hot summer means more power has been supplied in the eight months since they were fitted in March than was predicted for the whole year.
The panels are on, among others, the Civic Centre, Oakwood House offices and the museum's storage facility.
Tributes paid to councillor who died
Newton Abbot rubbish tip upgrade starts next week
Car park flats could ruin Roman ruins
Exeter City end 15-match winless run
Roadworks frustrating Kingsbridge locals
Fears homes will create more gridlock on “car park” roads
