California grid to support 33 percent renewable energy by 2020

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The California Independent System Operator Corporation (California ISO) board of governors approved five new power line projects specifically intended to meet California's environmental and energy goals. The projects were part of the 2012-2013 Transmission Plan approved by the board.

The plan also identified the need for 36 projects that support regional and national reliability standards. The 41 transmission projects approved in the plan, which are estimated to cost about $1.7 billion, are needed to maintain the reliability of the transmission system and support meeting the California's 33 percent renewables portfolio standard by 2020.

"The ISO is demonstrating California's global energy leadership by showing how a greener grid is as resilient and reliable as the grids of yesterday while paving the way for tomorrow's sustainable future and helping in the fight against climate change," said ISO Board Chair Bob Foster. "A more diverse grid is a more energy secure grid."

The annual transmission plan also includes analysis that examines infrastructure requirements for the ISO grid should one or both nuclear power plants shut down. The plan is updated annually and looks out over a 10-year horizon to determine future grid needs.

Each annual ISO planning cycle includes the active participation of transmission owners, generation owners and other stakeholders, as well as coordination with the California Energy Commission and California Public Utilities Commission.

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POWERGRID International

March 2015
Volume 20, Issue 3
1503PG-cover

ELECTRIC LIGHT & POWER

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Volume 93, Issue 1
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