Utah Heatwave Triggers Power Outages Across Western States

A record-breaking heatwave scorched Utah over the July 12-13 weekend, pushing temperatures to historic highs and triggering widespread power outages across the state. Meanwhile, California utilities implemented preventive public safety shutoffs as wildfire risks escalated, and grid operators across the West issued urgent warnings about strained power supplies.

Utah: Record 109°F Heat Leaves 17,000 Without Power

On July 12, Salt Lake City hit 109°F (approximately 42.8°C), setting an all-time record high for the city. As the mercury climbed, Rocky Mountain Power reported 182 outages across the state, affecting 17,212 customers. Approximately 8,600 customers in northern Utah and 8,300 in southern Utah were impacted. Box Elder, Weber, Salt Lake, Utah, Iron, and Washington counties all reported major outages affecting more than 1,000 customers each.

According to FOX 13 Now Utah, Rocky Mountain Power stated that most remaining outages were heat-related, rather than caused by electricity demand or system capacity shortfalls. The company attributed outages in northern Utah to "bottlenecks in the grid" caused by overheated transformers and fuses. Increased air conditioning usage placed additional strain on the system, while equipment itself struggled to operate under extreme temperatures. Approximately 13,000 outages were directly caused by the extreme heat's impact on electrical equipment.

Salt Lake City residents endured a night without power amid record-breaking heat. In the Ivins area, a damaged transmission line required repair. Most customers were expected to have their power restored by the morning of July 13.

California: PG&E Implements PSPS Affecting 7,800 Customers

Due to high winds and dry conditions that elevated wildfire risks, Pacific Gas and Electric Company (PG&E) implemented a Public Safety Power Shutoff (PSPS) in parts of Northern and Central California on July 15-16. According to NBC Bay Area, the PSPS affected approximately 7,800 customers in small portions of 10 counties.

In the Bay Area, the hardest-hit regions were the North Bay (2,052 customers) and East Bay (1,505 customers), with only one customer affected in San Francisco. Residents near Concord's Kirker Pass Road reported their power went out around 3 p.m. Unlike previous outages, neighbors said they did receive advance text alerts from PG&E this time.

PG&E stated it was working to limit outages to necessary areas. However, affected residents had to face outages during the hot summer afternoon and night. While PG&E did list resource centers offering ice and device charging for affected residents, Concord residents expressed frustration that the nearest options were in Tracy or Mill Valley, more than 40 miles away. PG&E said power was expected to be restored by the afternoon of July 16. As of 4 p.m. on July 16, PG&E had restored power to essentially all affected customers.

Washington State: Equipment Failure Leaves 1,350 Without Power

On July 17, a large power outage affected more than 1,300 residents in northeastern Thurston County, Washington. According to The Olympian, the outage began before 2 p.m. and affected approximately 1,350 customers. The cause was attributed to equipment failure.

Michigan: State Launches Investigation into July Storm Response

On July 16, the Michigan Public Service Commission announced an investigation into the response of utility companies to the early July storms that had caused massive power outages across the state. According to WILX, DTE Energy reported approximately 387,000 customers without power, Consumers Energy reported approximately 276,000 customers, and Indiana Michigan Power reported approximately 35,000 customers. These figures reflect the enormous impact of the July 4 Independence Day storms on Michigan.

Grid Warnings Across the West

The strain on the power grid extended beyond Utah:

• SPP Highest-Level Alert (July 20): The Southwest Power Pool issued its highest-level alert for western states including Colorado on July 20. "Widespread heat, increased outages of generation resources, and low wind and solar generation" combined to tighten supplies. U.S. Energy Secretary Chris Wright issued Emergency Order No. 202-26-36 on July 20, marking the second time in two weeks the federal government has intervened in regional electricity markets. SPP narrowly avoided rolling blackouts.
• New Jersey PSE&G Warning (July 17): PSE&G issued a warning that it was closely monitoring forecasts for heavy rain, strong winds, and isolated tornadoes.
• Connecticut First Alert Weather Day (July 18): WFSB designated July 18 as a First Alert Weather Day, with two rounds of storms potentially bringing damaging winds, outages, and flooding.

A Summer of Strain

From heat-related equipment failures in Utah to proactive wildfire-prevention shutoffs in California, the summer of 2026 is proving to be a critical test for America's power infrastructure. As extreme heat and severe weather events become more frequent, the need for reliable backup power solutions has never been more urgent. Explore Kingboss backup power solutions to keep your essential appliances running during the next outage.

Note: Some images and portions of text in this article were generated or enhanced using AI tools. While we strive for accuracy, AI-assisted content may not always reflect real events or individuals with complete precision. Please refer to official sources for factual verification.

Sources:

1. FOX 13 Now Utah - 19,000 Utahns without power amid record heat - https://www.fox13now.com/news/local-news/19-000-utahns-without-power-amid-record-heat
2. KUTV - Power outages affect more than 17,000 Utah customers as Salt Lake sets heat record - https://kutv.com/news/local/power-outages-affect-more-than-17000-utah-customers-as-salt-lake-sets-heat-record
3. ABC 4 Utah - 17,000 without power throughout Utah during record-breaking heat - https://www.abc4.com
4. NBC Bay Area - More than 3,000 Bay Area customers are without power in latest PG&E PSPS - https://www.nbcbayarea.com/news/local/thousands-bay-area-customers-no-power-psp/4114364/
5. The Olympian - Large power outage affects northeast Thurston County neighborhoods Friday - https://www.theolympian.com
6. WILX - MPSC launches investigation into electric utilities' response to July storms - https://www.wilx.com