Outlook Sunny

A solar PV installation in Boulder, Colo., required minimal up-front investment, and yet provides substantial benefits in lower power costs.
Outlook Sunny
A $6 million photovoltaic system (foreground) provides about 15 percent of the Boulder wastewater plant’s electricity at a cost of about half what it would pay for utility power. Even after ten years, the cost will be below today’s utility rate.

Staff members at the Boulder (Colo.) Wastewater Treatment Plant know exactly how much they will pay for about 15 percent of the facility’s electricity 20 years from now. That’s because of a 1 MW solar photovoltaic (PV) system that began supplying power to the plant last July.


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