Beyond Net Zero

A California wastewater treatment plant uses hauled-in high-BOD wastes to maximize biogas production and generate more power than it uses.
Beyond Net Zero
Power plant supervisor Dave Allen, left, and power plant mechanic/operator Neil Marvin review the plant’s SCADA monitors.

By 2020, the East Bay Municipal Utility District wastewater treatment plant could be selling twice as much electricity as it uses.

With the addition of a new high-efficiency biogas-fueled turbine in early 2012, the plant in Oakland, Calif., is already selling excess electricity....

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