Solar Energy

In 2018, SacSewer commissioned a solar energy array at the EchoWater Resource Recovery Facility. Our solar array is one of the largest located at a sewage treatment and resource recovery facility in the nation. It offers a clean and sustainable energy source to power our essential facility.
Array 2

The project is administered through a power purchase agreement with Tesla, who constructed and owns the facility. Beginning in 2018, all the power generated from the system will be sold to SacSewer at a fixed rate for 25-years.

This solar array increases and diversifies our green energy portfolio, provides a clean and sustainable energy source, and brings financial benefits by reducing energy costs. The estimated savings to SacSewer over the 25-year period is about $10 million. The solar array also meets environmental requirements for greenhouse gas mitigation as part of the EchoWater Project, which was completed in 2023.

The 4.2 megawatt solar array has a footprint of approximately 21 acres of open space designated for future treatment processes. It will produce approximately eight percent of SacSewer’s current energy needs which is enough to power approximately 750 homes annually.

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