Four of the sites have the capacity to generate 100 kW each and the remainder can produce up to 50 kW.
The new photovoltaics join hydro-electric, wind and biogas plants in the water company’s renewable energy portfolio.
Project manager James Pearce said: “Generating renewable energy for use on South West Water’s operational sites reduces electricity costs and will have a positive impact on South West Water’s customers’ bills into the future.”
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