Wind power not coming through for California – power alert issued by the CAISO

Posted on August 9, 2012 by Anthony Watts

I called the media support line for this press release issues today, to ask a couple of questions, here are the answers:

1. Q: Besides the heat wave, what other factors are contributing? A: “A Natural Gas plant of 775 megawatts went offline last night. The San Onofre nuclear plant remains offline with no restart scheduled.”

2. Q: Where is wind power in all of this, is it performing? A: “Well as you know, wind has to blow for wind power to be effective. “

The graph from CAISO tells the story, wind power has tumbled when it is most needed:

Of course, renewables are a drop in the bucket compared to the total demand seen here.

California ISO Declares Flex-Alert Statewide
With a major heat wave bearing down on California, the ISO is declaring a Flex Alert tomorrow through August 12.

Consumers are urged to reduce their energy use during the afternoon when air conditioners drive consumption. Find Flex Alert tips at
Electricity conservation today, August 9, would also be helpful during the afternoon peak between 11:00 a.m. and 6 p.m.

Today’s Forecast peak demand: 47,125 megawatts
24-Hour Ahead Outlook for Friday, Aug 10: Flex Alert

High temperatures are forecast statewide. Energy demand is expected to be high and consumers are urged to reduce energy usage between 11:00 a.m. and 6:00 p.m.

Forecast peak demand: 46,800 megawatts
48-Hour Ahead Outlook for Saturday, Aug 11: Flex Alert

The heat wave continues through the weekend. The California ISO is urging reduced energy usage between 11:00 a.m. and 6:00 p.m. on Saturday
Forecast peak demand: 43,000 megawatt

72-Hour Ahead Outlook for Sunday, Aug 12: Flex Alert
Temperatures will continue to be hot. Conservation is helpful between noon – 6 p.m.
Forecast peak demand: 43,000 megawatt
Go to and click “Notify me” to sign up for Flex Alerts and other updates. Follow real time grid conditions at


Welcome to the third world. h/t to Roger Sowell.


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