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(UPDATED) Scattered Power Outages Across SoCal, But Rolling Outages May Be Averted

California Edison apprentice lineman Brendan Degen, left, and lineman Jeff Blokzyl, work to replace cables and components on poles as part of their effort to make their grid more resistant to being involved in wildfires Tuesday, Oct. 10, 2018 in Aguanga,
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Southern California Edison and Los Angeles Department of Water and Power reported outages affecting thousands of customers Sunday as an intense heat storm caused demand for electricity to spike.

In a media call Sunday afternoon, the California Independent System Operator, which manages the power grid for most of the state's utilities, said it is anticipates running about 4,000 megawatts short of demand by the end of the day when demand spikes and solar energy falls off.

That means it's possible that rolling outages could be requested of member utilities today starting around 4 p.m. Statewide, that could affect as many as three million customers.

The statewide power grid has been losing transmission lines to fires. Shortly after 1 p.m., the system lost one line carrying about 600 MW of generation due to a fire located in Southern California. The website where CAISO displays its anticipated supply-and-demand is a snapshot of what they think they will have, but incidents such as fires and changes in the weather can change things quickly.

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As of about 1 p.m., about 10,000 DWP customers were without power, said spokesman Joseph Ramallo. The city utility’s system still had power to spare, but the issue was equipment overheating and shutting down. Repairs for some customers could take 24 to 36 hours, he said.

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Conservation Plus Power Supply May Avert Outages