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. The district is probably the first water or wastewater utility in the nation to sell excess electricity produced solely from waste material back to the grid.
Over the last 10 years, EBMUD has been updating the plant and expanding efforts to take full advantage of biogas resources. "It's exciting," says Dave Allen, power
