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| 2019 California energy crisis | |
|---|---|
| Name | 2019 California energy crisis |
| Date | June–August 2019 |
| Location | California |
| Causes | Heat wave, Pacific Gas and Electric Company outages, California Independent System Operator market issues |
| Fatalities | See article |
| Result | Reforms in California Public Utilities Commission policy and utility practices |
2019 California energy crisis was a period of extreme electricity shortages and reliability challenges in California during summer 2019. Widespread heat wave conditions combined with fuel constraints, transmission limitations, and operational decisions by major utilities and grid operators produced rotating outages, emergency declarations, and sweeping policy responses. The crisis touched numerous institutions including Pacific Gas and Electric Company, Southern California Edison, San Diego Gas & Electric, the California Independent System Operator, and state agencies such as the California Public Utilities Commission and the California Energy Commission.
Record-breaking heat wave events in June and July 2019 raised demand for air conditioning and constrained natural gas supplies in the Los Angeles and San Francisco Bay Area regions. Transmission bottlenecks on corridors such as Path 15 and imports from the Southwest Power Pool and North Baja Pipeline were limited, and aging generation units including Diablo Canyon Power Plant debates and retirements affected resource portfolios. Wildfire mitigation measures by Pacific Gas and Electric Company and municipal Los Angeles Department of Water and Power operational restrictions also reduced available capacity. Simultaneously, market structures overseen by the California Independent System Operator and tariff rules administered by the Federal Energy Regulatory Commission influenced dispatch outcomes. Interactions among renewable energy variability—especially from solar power facilities across the Antelope Valley and Central Valley—and diminishing natural gas dispatchable reserves were central to the crisis.
In early June 2019, heat spikes across Sacramento, San Diego, and Riverside County raised peak load forecasts held by the California Independent System Operator. By late June, at-risk peak events led to calls for voluntary conservation issued by the California Energy Commission and emergency alerts coordinated with California Governor Gavin Newsom's office. On July 15–19, the California Independent System Operator declared multiple Stage 3 emergency alerts and implemented rotating outages in areas served by Pacific Gas and Electric Company, Southern California Edison, and San Diego Gas & Electric. The California Public Utilities Commission convened multiple hearings with executives from PG&E Corporation, Edison International, and Sempra Energy to review preparedness. Throughout July and August, the California Air Resources Board and Federal Energy Regulatory Commission monitored emissions and market conduct amid emergency generation dispatches.
Rotating outages affected millions in Los Angeles County, San Bernardino County, Santa Clara County, and the Bay Area, disrupting services for hospitals such as UCLA Medical Center and transit agencies including Los Angeles Metro and Bay Area Rapid Transit. Telecommunications infrastructure relying on grid power experienced degraded reliability, impacting AT&T and T-Mobile USA cellular services. Small businesses, restaurants in Downtown Los Angeles and San Francisco, and manufacturing plants in the Inland Empire reported losses. Public health authorities in California Department of Public Health documented heat-related hospitalizations, while insurers such as State Farm and Allstate Corporation assessed economic damages. Investor reactions impacted stock of PG&E Corporation, Edison International, and Sempra Energy; bond markets and municipal finance desks at institutions like Goldman Sachs and Bank of America updated risk models.
The California Public Utilities Commission opened emergency proceedings and ordered audits of preparedness by Pacific Gas and Electric Company, Southern California Edison, and San Diego Gas & Electric. Governor Gavin Newsom declared a state of emergency, directing the California Energy Commission to coordinate conservation public messaging with city officials including London Breed of San Francisco and Eric Garcetti of Los Angeles. The Federal Energy Regulatory Commission held technical conferences with the California Independent System Operator and North American Electric Reliability Corporation to assess market design and reliability standards. Legislative leaders in the California State Legislature, including members of the California State Senate and California State Assembly, proposed bills targeting capacity procurement, resource adequacy, and wildfire mitigation funding. The U.S. Department of Energy offered federal situational awareness support.
Utilities adjusted outage scheduling, accelerated procurement of peaker plants and battery storage from developers including Tesla, Inc., AES Corporation, and Fluence Energy, and fast-tracked contracts with independent power producers such as NRG Energy and Calpine Corporation. Market responses included changes to Resource Adequacy contracts, increased demand response enrollments with providers like EnerNOC and programs coordinated by OhmConnect. The California Independent System Operator revised real-time market offers and scarcity pricing signals; merchant generators and renewable energy project operators altered availability during critical diurnal ramps. Transmission owners including Pacific Gas and Electric Company and Southern California Edison implemented operational mitigation at substations and lines to manage load.
Regulatory investigations by the California Public Utilities Commission and Federal Energy Regulatory Commission examined whether market conduct or generator withholding contributed to price spikes and outages. The California Attorney General's office reviewed potential consumer protection violations and pursued civil inquiries. Class-action and municipal lawsuits were filed against PG&E Corporation and Edison International alleging negligence in reliability planning and inadequate notification. Securities filings by PG&E Corporation prompted scrutiny from the U.S. Securities and Exchange Commission regarding disclosure of operational risks. Congressional committees with jurisdiction over energy policy and homeland security requested briefings from the California Independent System Operator and utility CEOs.
In the aftermath, the California Public Utilities Commission mandated stricter resource adequacy requirements, accelerated procurement of energy storage and demand response resources, and required enhanced emergency communication protocols coordinated with county offices of emergency services such as those in Los Angeles County and Alameda County. Utilities accelerated grid hardening and wildfire mitigation investments, and state lawmakers advanced legislation promoting resilience funding and microgrid programs in partnership with entities like Lawrence Berkeley National Laboratory and California ISO research initiatives. The crisis influenced federal and state discussions on regional transmission expansion, market redesign proposals at the Federal Energy Regulatory Commission, and long-term planning at the California Energy Commission to integrate renewable portfolio standards and reliability mandates.
Category:California energy