Fire at embattled Ivanpah CSP plant

Facebook
Twitter
LinkedIn
Reddit
Email
The Ivanpah Solar Electric Generating System near Primm uses more than 300,000 mirrors to focus sunlight on boilers atop 459-foot power towers heating water into steam to create electricity. Image: Associated Press

One of the three towers the 392MW Ivanpah concentrated solar power (CSP) plant is out of action after suffering damage due to a small fire on Thursday morning.

The plant is located on the California-Nevada border near Primm and sustained sufficient damage to now be operating at only a third of its capacity, according to authorities.

This article requires Premium SubscriptionBasic (FREE) Subscription

Unlock unlimited access for 12 whole months of distinctive global analysis

Photovoltaics International is now included.

  • Regular insight and analysis of the industry’s biggest developments
  • In-depth interviews with the industry’s leading figures
  • Unlimited digital access to the PV Tech Power journal catalogue
  • Unlimited digital access to the Photovoltaics International journal catalogue
  • Access to more than 1,000 technical papers
  • Discounts on Solar Media’s portfolio of events, in-person and virtual

Or continue reading this article for free

The CSP facility uses more than 300,000 mirrors that extend over around five square miles of desert and focus sunlight on boilers atop 459ft thermal power towers to create electricity. The fire has been blamed on misaligned mirrors that focused sunbeams at the wrong area; causing electrical cables to catch fire, according to the San Bernardino County fire department, who arrived at the site after reports of visible flames from the Unit 3 tower near the ninth floor.

Plant personnel fortunately had the fire out by the time the firefighters reached the site. The tower is offline while the damage is assessed and the exact cause is under investigation. Under normal operational conditions, the US$2.2 billion complex provides enough power for 140,000 Californian homes, according to the company.

At the moment, it is unclear when the tower will be back online and what the wider implications for California’s electricity supply will be; particularly given the state's recent energy travails after the four-month long methane leak at Aliso Canyon caused serious blackout concerns. 

This comes as another blow for CSP; particularly in light of Spain’s Abengoa, a CSP specialist, enduring arduous bankruptcy proceedings. In addition, earlier this year, the 500MW Palen plant was written off by the California Public Utilities Commission (CPUC).

17 June 2025
Napa, USA
PV Tech has been running PV ModuleTech Conferences since 2017. PV ModuleTech USA, on 17-18 June 2025, will be our fourth PV ModulelTech conference dedicated to the U.S. utility scale solar sector. The event will gather the key stakeholders from solar developers, solar asset owners and investors, PV manufacturing, policy-making and and all interested downstream channels and third-party entities. The goal is simple: to map out the PV module supply channels to the U.S. out to 2026 and beyond.
7 October 2025
San Francisco Bay Area, USA
PV Tech has been running an annual PV CellTech Conference since 2016. PV CellTech USA, on 7-8 October 2025 is our third PV CellTech conference dedicated to the U.S. manufacturing sector. The events in 2023 and 2024 were a sell out success and 2025 will once again gather the key stakeholders from PV manufacturing, equipment/materials, policy-making and strategy, capital equipment investment and all interested downstream channels and third-party entities. The goal is simple: to map out PV manufacturing in the U.S. out to 2030 and beyond.
21 October 2025
New York, USA
Returning for its 12th edition, Solar and Storage Finance USA Summit remains the annual event where decision-makers at the forefront of solar and storage projects across the United States and capital converge. Featuring the most active solar and storage transactors, join us for a packed two-days of deal-making, learning and networking.

Read Next

April 23, 2025
The recent tariffs on Chinese products, along with the now paused global tariffs from other countries, are expected to have a minimal impact on US-based microinverter manufacturer Enphase Energy.
April 22, 2025
The US Department of Commerce has issued anti-dumping and anti-subsidy tariffs on solar cell imports from Southeast Asia.
April 17, 2025
ES Foundry has signed a 150MW cell supply deal with what it calls a “leading national community solar developer” in the US.
April 17, 2025
Catalyze has secured US$85 million in tax equity investment to support the construction of 75MW of distributed solar projects in the US.
April 16, 2025
Chinese, Indian and American companies have strengthened their positions atop the solar industry’s EPC rankings, according to Wiki-Solar.
April 16, 2025
US residential solar company Complete Solaria will change its name to SunPower, resurrecting the name of one of the US' longest-running solar companies which folded last year.

Subscribe to Newsletter

Upcoming Events

Solar Media Events
April 29, 2025
Dallas, Texas
Media Partners, Solar Media Events
May 7, 2025
Munich, Germany
Solar Media Events
May 21, 2025
London, UK
Solar Media Events
June 17, 2025
Napa, USA
Solar Media Events
July 1, 2025
London, UK