Sempra US Gas & Power begins building Copper Mountain Solar 3

Facebook
Twitter
LinkedIn
Reddit
Email

Sempra US Gas & Power, a subsidiary of Sempra Energy, has commenced construction on its utility-scale Copper Mountain Solar 3 project.

The facility is part of the larger Copper Mountain Solar project, which represents one of the biggest solar projects in the US. The solar complex consists of the Copper Mountain Solar 1, Copper Mountain Solar 2 and Copper Mountain Solar 3 PV facilities which are all located in Boulder City, Nevada. When all three plants are complete, they will have a combined capacity of 458MW.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

Copper Mountain Solar 1 has a capacity of 58MW and was completed in December 2010. The first phase of Copper Mountain Solar 2 was completed earlier this year and involved installing 92MW of PV capacity. The second phase will involve installing the remaining 58MW bringing its total capacity to 150MW. Phase two is expected to complete in 2015.

The construction of Copper Mountain Solar 3 is also scheduled to complete in 2015 and will have a total capacity of 250MW. During construction, it is expected to create an estimated 500 jobs and eight permanent positions.

The facility will be built on 566 hectares of desert land and electricity generated from the plant will be sold to utility firms in the south-west of the US. 

Read Next

October 14, 2026
The Becquerel Institute has released a segment briefing on the potential impact that AI and robotics can have on solar PV installations.
Premium
October 14, 2026
Australia ranks second to the US for data centre investment, driving demand for solar power and battery storage.
October 14, 2026
The prices of European renewable energy power purchase agreements (PPAs) rose by 5.0% in September, according to figures from Pexapark.
October 14, 2026
Arevon Energy signed three 20-year Indexed REC contracts with Illinois utilities for its 200MWac/275MWdc Panther Energy solar project.
Sponsored
October 14, 2026
Leon Zhang, President of Utility Europe, LONGi, discusses the changing economics of European solar and the strategic role of storage.
October 14, 2026
India’s solar generation rose 39% year-on-year to a record 705MU on 30 September, CREA’s latest snapshot reported.

Upcoming Events

Solar Media Events, Upcoming Webinars
October 21, 2026
2pm AEDT
Solar Media Events
November 3, 2026
Málaga, Spain
Solar Media Events
November 24, 2026
Warsaw, Poland
Solar Media Events
February 2, 2027
London, UK