Only 4 years after setting a goal to use all renewable energy by 2030, Hanover is ready to start generating solar energy at its new solar installation near Hanover’s water treatment facility on. Grasse Rd. When combined with the Town’s six other rooftop solar arrays located on Town Hall, the Hanover Police and Fire Station, the water reclamation facility, the Public Works equipment storage Building and the sand and salt storage facility, nearly 100% of the municipality’s electricity needs will be met!