Officials at the Rincon del Diablo Municipal Water District on Thursday formally unveiled plans to build a solar canopy array and battery energy storage project at the Harmony Grove Village Water Reclamation Facility in Escondido.

The reclamation facility runs up a power bill of about $5,000 each month and the solar-plus-battery project will help offset the wastewater treatment center’s energy costs.

“The solar panel array will provide most of the power for this water treatment system (and) battery backup to keep it running,” said David Drake, president of the board directors of the Rincon del Diablo Municipal Water District . “This thing will be making power for this treatment plant.”

The 302-kilowatt solar array with 559 panels atop a canopy will generate electricity to help run t

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