California braces for power-grid test amid heat wave
California's plan to dramatically increase reliance on renewable power sources, such as solar and wind, while shutting a number of ocean-side plants that supply power around the clock will challenge power grid operators to keep the lights on.
August 10, 2012
by Rory Carroll
SAN FRANCISCO - California's electricity grid operator issued a rare statewide alert on Thursday warning residents to curb power usage in coming days as a heat wave threatens to strain its already taxed network.
The California Independent System Operation, or CAISO, a not-for-profit corporation charged with operating the majority of the state's high-voltage grid, issued a "flex" alert urging consumers to reduce power usage especially in the afternoon, when air-conditioning dramatically ramps up demand.
A ridge of high pressure, which brought above-normal heat to the Midwest earlier this summer, is now sitting over the Four Corners region,... [continue via Web link]