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Flex Alert Goes Into Effect Amid Hot Temperatures; Cal ISO Encourages Energy ConservationThe latest Flex Alert went into effect Thursday afternoon as the California Independent System Operator anticipates high energy demand as the Bay Area faces the latest round of extremely hot weather.

'Extreme Heat Storm' Scorches State; Temperature Records Tumble, San Francisco Hits 100; Livermore 111A blistering holiday-weekend heat wave sent records tumbling across the San Francisco Bay Area Sunday as an "extreme heat storm" maintained its grip on the region.

ISO Lifts Stage 2 Emergency Averting Rotating Outages Across Bay AreaCities across the Bay Area issued alerts that rotating outages could be instituted starting Monday afternoon following a Flex Alert issued by the California ISO.

Newsom Calls Energy Shortages, Rolling Blackouts During Heat Wave 'Unacceptable'Gov. Gavin Newsom on Monday admitted that state officials "failed to predict and plan" for the energy grid demands brought on by the current record-breaking heat wave and outlined steps the state was taking to avoid more power disruptions.

Newsom Signs Emergency Proclamation On Energy, Calls For Rolling Blackout InvestigationWith California in the grips of a historic heat wave, Gov. Gavin Newsom on Monday signed an emergency proclamation aimed at freeing up energy capacity while additionally calling for an investigation into recent rolling blackouts.

PG&E: California ISO Says No Rolling Blackouts Required In Bay Area Sunday NightJust hours after PG&E officials said they might have to initiate more rolling blackouts in the Bay Area affecting over 200,000 customers Sunday night, the utility announced that California's power grid had sufficient energy to meet demand.

Dangerous Heat Descends On Bay Area, Testing Power GridCalifornia ISO predicts record demand on the power grid Friday and issued a statewide "Flex Alert" from 1 p.m. to 10 p.m. Friday.

Weakness In Electricity Trading Exposed; State Agency $73M ShortCalifornia officials say a big electricity trader has apparently figured out a way to exploit vulnerabilities in the state’s $8 billion-a-year electricity market, just as Enron Corp. did a decade ago.