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California’s power grid stood up to a recent heat wave but summer is far from over

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California’s power grid stood up to a recent heat wave but summer is far from over


A persistent heat wave that scorched most of California earlier this month essentially amounted to a real-time stress test that the state’s electric grid managed to withstand. But the head of the organization responsible for keeping the lights on says energy officials are still on alert as the summer wears on.

“We are generally well prepared” to avoid potential power outages, said Elliot Mainzer, president of the California Independent System Operator. “We’ve taken important steps to bring new clean energy and capacity onto the system, but we must stay diligent.”

As the Independence Day weekend approached, hot weather descended on the Golden State, with residents in Northern California suffering the brunt. Sacramento hit a high of 113 degrees on July 6, setting a city record for that date.

Though not as severe, parts of Southern California sweltered as well. In the deserts of San Diego County, temperatures hovered around 120 degrees in Borrego Springs and Ocotillo Wells on July 8.

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An air tanker drops retardant behind a home while battling the Toll Fire near Calistoga on July 2. An extended heat wave blanketed Northern California for 14 days. (AP Photo/Noah Berger) 

Heat waves strain the electric grid because homes and businesses crank up their air conditioners, putting pressure on system operators to meet the surge in demand.

To make matters worse, the hot weather lasted 14 days and bled into neighboring states.

On July 10, the Western Interconnection that helps coordinate electricity between 14 states in the West (including all of California) plus northern Baja California, British Columbia and Alberta hit an all-time record of 167,988 megawatts for peak load.

But the California Independent System Operator, known as the CAISO for short, did not resort to issuing any Flex Alerts — requests of customers across the state to voluntarily reduce their energy use.

On July 8, for example, CAISO operators had about 55,000 megawatts of supply on hand to meet an estimated demand of just over 43,000 megawatts — a fairly comfortable cushion of  around 12,000 megawatts.

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The elbow room was due in large part to capacity that’s been added to California’s grid in recent years.

The state has added nearly 11,600 megawatts of new grid resources since 2022. Of that amount, energy storage from batteries accounts for 5,800 megawatts.

Storage facilities take solar power generated during the day and discharge the electricity when California’s power system is under the most stress.

The batteries “did exactly what we expected them to do” during this month’s heat wave, Mainzer told the Union-Tribune. “They charged during the day when solar is abundant and put energy back onto the grid in the afternoon when solar production is rolling off the system … They were clearly a difference maker.”

It should be noted that the costs of building storage systems — and other grid enhancements — are passed on to utility customers in their monthly bills.

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During this month’s heat wave, multiple wildfires broke out in Northern California but they did not affect major power lines or distribution and transmission infrastructure that feed into the grid.

System operators were not so lucky three years ago.

The Bootleg Fire in Oregon in July 2021 tripped a major transmission line called the California-Oregon Intertie that carries imported electricity from the Pacific Northwest into California. The fire knocked about 3,500 megawatts off the system at the same time stifling weather blanketed the area.

“Every event and every set of facts is different,” Mainzer said.

The threat of statewide power outages has taken on a higher level of urgency in recent years.

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In August 2020, rotating outages in California occurred for the first time in 20 years after oppressive heat nearly overloaded the system for two straight days. The blackouts caused some areas to go without electricity for up to 2 1/2 hours.

The Golden State barely avoided a repeat the following summer. In September 2022, it nearly happened again when relentlessly high temperatures nearly buckled the grid. The CAISO issued a record 10 straight days of Flex Alerts and thanked utility customers afterward for helping save the day by cutting back on energy use from 4 p.m. to 9 p.m.

Those are critical hours for California’s power grid because solar production quickly disappears from the grid when the sun sets and system operators must seamlessly replace those megawatts of solar with other energy sources in real time to make sure the power system doesn’t collapse.

September can get tricky for the CAISO because the weather is still hot so customers keep running their air conditioners. But since autumn is approaching, the sun sets earlier in the day and that means there are fewer hours of solar generation the power system can draw on.

Other complicating factors?

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If wildfires break out, the smoke from the blazes can obscure the skies and that leads to a reduction in solar output.

And if a heat wave extends to neighboring states, that can lead to reductions of imports and exports in power trading markets. States under stress tend to hold onto the megawatts they already have so they can keep electricity flowing to their own utility customers and not export them elsewhere.

The system is interconnected and complicated but Mainzer is cautiously optimistic.

“The four-hour lithium-ion battery fleet that we’ve got in California is now the largest of anywhere in the world, outside of China,” he said.

Last year, the CAISO issued zero Flex Alerts. Can that be repeated this summer?

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“If we have another set of unprecedented circumstances that take the system to its absolute outer edge — both here in California and other parts of the West — then it’s possible to call Flex Alerts,” Mainzer said. “I couldn’t put a probability on it, but it’s certainly a possibility. We always try to minimize those but it is a tool in the toolbox.”

The CAISO manages the flow of electricity across the high-voltage power lines for about 80 percent of the state, plus a small part of Nevada.

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California bill to bar police from taking second job with ICE advances in state Assembly

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California bill to bar police from taking second job with ICE advances in state Assembly


Wednesday, March 4, 2026 4:43AM

CA bill to keep police from moonlighting with ICE advances

SACRAMENTO, Calif. (KABC) — A bill that would prevent police officers from moonlighting with federal immigration enforcement agencies, such as U.S. Immigration and Customs Enforcement, is advancing through the California State Assembly.

AB 1537 passed the State Assembly’s committee on public safety on Tuesday.

The bill also requires that officers report any offers for secondary employment related to immigration enforcement to their place of work.

Those failing to comply could face decertification as a peace officer in California.

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The bill was introduced by Assemblymember Isaac Bryan, whose district includes Mar Vista, Ladera Heights, Mid-Wilshire and parts of South Los Angeles.

Copyright © 2026 KABC Television, LLC. All rights reserved.



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Can’t win in primary election? Drop out, California Democrats say

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Can’t win in primary election? Drop out, California Democrats say


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California Democrats running for governor, your party has a message for you. Think carefully about your candidacy and campaign ahead of the swiftly approaching filing deadline.

California Democratic Party Chair Rusty Hicks urged candidates looking to assume the state’s highest office to “honestly assess the viability of their candidacy and campaign” as March 6, the final day to declare candidacy, nears. Hicks said that concerns about the crowded field of Democrat candidates “persist” in an open letter on Tuesday, March 3.

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It comes as five leading candidates, several of which are Democrats — Katie Porter, Eric Swalwell, and Tom Steyer — are in a “virtual tie” per a recent poll, the Desert Sun reported, which is part of the USA TODAY Network.

Two Republican candidates pushing out California democrats in the gubernatorial bid may be “implausible,” but “it is not impossible,” Hicks said of the reasoning behind his latest message. Steve Hilton and Riverside County Sheriff Chad Bianco, both Republicans, lead in RealClear Polling’s average of various polls.

The party chair spotlighted the need for California Democrats’ leadership, particularly over Proposition 50, the voter-approved measure that will temporarily implement new congressional district maps, paving the way for Democrats to secure more seats in the U.S. House of Representatives.

“If in the unlikely event a Democrat failed to proceed to the general election for governor, there could be the potential for depressed Democratic turnout in California in November,” Hicks said. “The result would present a real risk to winning the congressional seats required and imperil Democrats’ chances to retake the House, cut Donald Trump’s term in half, and spare our nation from the pain many have endured since January 2025.”

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During a press conference on March 2, Gov. Gavin Newsom said that when he is out in communities, people aren’t talking about the governor’s race. It’s an observation he called “interesting,” considering voting in the primary election starts in May.

“It’s been hard, I think, to focus on that race,” Newsom said, pointing to the attention on President Donald Trump, redistricting, and other matters.

What exactly is California Democratic Party asking of candidates?

In his open letter, Hicks gave directions to candidates.

First, assess your candidacy and campaign. If you don’t have a viable path to the general election, don’t file to get your name on the ballot for the primary election in June. Also, be prepared to suspend your campaign and endorse another candidate by April 15 if you decide to file but can’t show “meaningful progress towards winning the primary election.”

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When is the next California election? Primary election in 2026

California voters will trim the field of candidates for governor on June 2. Only the two candidates who receive the most votes, regardless of party preference, will move on to the November election.  

Paris Barraza is a reporter covering Los Angeles and Southern California for the USA TODAY Network. Reach her at pbarraza@usatodayco.com.



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Supreme Court blocks California law limiting schools from telling parents about trans students

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Supreme Court blocks California law limiting schools from telling parents about trans students


The U.S. Supreme Court has temporarily blocked a California law that limited when schools could require staff to disclose a student’s gender identity, clearing the way for schools to tell parents if their children identify as transgender without getting the students’ approval.

Rear view of multiracial students with hands raised in classroom at high school

The decision came after religious parents and educators, represented by the Thomas More Society, challenged California school policies aimed at preventing staff from disclosing a student’s gender identity.

Erwin Chemerinsky, dean and professor of law at the University of California Berkeley School of Law, said the ruling favors parents’ ability to be informed. “The Supreme Court today rules in favor of the claim of parents to be able to know the gender identity and gender pronoun of the children,” Chemerinsky said.

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FILE:{ }transgender flag against blue sky background { }(Photo: AdobeStock)

FILE:{ }transgender flag against blue sky background { }(Photo: AdobeStock)

The decision temporarily blocks a state law that bans automatic parental notification requirements if students change their pronouns or gender expression at school. The Thomas More Society called the decision a major victory for parents, saying the court found California’s policy likely violates constitutional rights.

Chemerinsky said the Supreme Court’s action is an emergency ruling. “This law is now put on hold. So what this means is that schools can require that teachers and other staff inform parents of the gender identity or gender pronouns of children,” he said.

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Kathie Moehlig, founder and executive director of Trans Family Support Services, said she is concerned about how the ruling could affect students who do not have supportive families.

“I am really concerned about our kids that do come from these non affirming homes, that they know that they’re going to get in trouble, that they’re going to possibly have violence brought against them possibly kicked out of their homes,” Moehlig said.

Moehlig said parents should eventually know, but that the conversation should happen when a student feels safe. “Our students are going to be less inclined to confide in any adults that might be able to help to get them access to mental healthcare, to a support system. They may still tell their peers but they’re certainly not going to tell any other adult,” she said.

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Equality California, a LGBTQ+ civil rights organization, shared a statement:

Equality California, the nation’s largest statewide LGBTQ+ civil rights organization, released the following statement from Executive Director Tony Hoang in response to today’s U.S. Supreme Court shadow docket ruling in Mirabelli v. Bonta regarding California’s student privacy protections for transgender youth. Today’s decision by the U.S. Supreme Court to intervene in this case is deeply disturbing. By stepping in on an emergency basis, the Court has effectively upended California’s student privacy protections without hearing full arguments and before the judicial process has run its course. While not surprising, this move reflects a dangerous willingness to short-circuit the established judicial process to dismantle protections for transgender youth. While this case continues to be litigated, the ruling revives Judge Benitez’s prior decision, which broadly targets numerous California laws protecting transgender and gender-nonconforming students — threatening critical safeguards that prevent forced outing and allow educators to respect a student’s affirmed name and pronouns at school. These protections exist for one reason: to keep students safe and ensure schools remain places where young people can learn and thrive without fear. To be clear: today’s decision does not impact California’s SAFETY Act, which prohibits school districts from adopting policies that forcibly out transgender students. The SAFETY Act remains in full effect, and we will continue defending it. Transgender youth deserve dignity, safety, and the freedom to learn without fear. We will never stop fighting for transgender youth and their families. Equality California will continue working with parents, educators, and advocates to ensure schools remain safe, welcoming, and focused on the success and well-being of every student.

The case now returns to the U.S. Court of Appeals for the Ninth Circuit, which will decide whether the California law is constitutional.



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