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Calpine Corp. will idle a 578-MW natural gas–fired combined cycle (CCGT) power plant in northern California for likely the remainder of the year. The Houston-headquartered company told POWER on January 15 that it will put the 2001-built Sutter Energy Center in Yuba City in “cold layup.” That means that while will the plant will not […]

Integrating California Independent System Operator’s (CAISO’s) and PacifiCorp’s networks—the two largest high-voltage transmission grids in the West—could yield billions of dollars in shared cost reductions within the first 20 years alone through efficiencies, a new study says.  The report commissioned by PacifiCorp stems from a memorandum of understanding signed by the independent system operator (ISO) […]

In presentations to the Federal Energy Regulatory Commission (FERC), the nation’s regional transmission organizations (RTOs) and independent system operators (ISOs) on Sept. 17 outlined measures they are taking to prevent issues if faced with extreme weather this winter.  The measures are to prevent widespread generation outages as occurred during the Jan. 6–7, 2014, polar vortex. […]

No one can accuse the officials who oversee California’s energy market of lacking ambition. Fresh on the heels of Gov. Jerry Brown’s January promise to raise the state’s renewable generation target from 33% in 2020 to 50% in 2030, the California Independent System Operator (CAISO) in April announced that it and Oregon utility and Berkshire […]