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Profile: Pacific Gas and Electric (PG&E)

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Pacific Gas and Electric (PG&E) was a participant or observer in the following events:

A new six-megawatt solar electricity substation in central California, operated by ARCO Solar, generates enough power for Pacific Gas and Electric (PG&E) to power up to 2,500 homes. (US Department of Energy 2002 pdf file)

Pacific Gas and Electric begins operating the first grid-supported PV solar electricity generation system in Kerman, California. The system produces 500 kilowats of power. This “distributed system” allows for greater system reliability and peak-shaving capability. (US Department of Energy 2002 pdf file)

The Ivanpah Solar Electric Generating System, located on 3,500 acres in the Mojave Desert, begins generating electricity. The solar thermal power plant uses a circular array of mirrors to concentrate sunlight at a water-filled central tower. The resulting steam powers turbines, which in turn produce electricity. When fully operational, the Ivanpah plant will feed 377 megawatts of power into two California utilities, Pacific Gas and Electric (PG&E) and Southern California Edison. During some days, the power generated could serve up to 200,000 residential consumers. The project is a partnership between NRG Energy, BrightSource Energy, Google, Bechtel, and the federal government, which leased public land to the plant and provided loan guarantees (see February 2009). Some environmentalists have been sharply critical of the impact on the desert environment (see August 13, 2013), and other critics have asked why a desert solar power plant is not using photovoltaic panels to collect sunlight. NRG Solar president Tom Doyle says, “Given the magnitude and complexity of Ivanpah, it was very important that we successfully complete this milestone showing all systems were on track.” Unit 1 is producing energy; Units 2 and 3 are coming online soon. When fully operational, the three plants will almost double the amount of commercial solar thermal energy capacity now operating in the US. (NRG Solar 2012; Business Wire 9/24/2013; Upton 9/25/2013)


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