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Mount Signal Solar1

Mount Signal Solar, also known as Solar Project, is a 594 MWp (460 MWAC) photovoltaic west of Calexico, in the southern Imperial Valley, near the Mexican border. The facility is being developed and constructed by in three phases, with two completed as of 2018. At full build-out, it will be one of the world's largest PV solar farms with a capacity of about 800 MWp (600 MWAC). The project has been supported by several environmental groups, as the power station was built on low productivity farmland.

History

Originally the project was called SES Solar Two, was to be of Stirling engine design, and was approved by California Energy Commission on September 29, 2010. AES Solar subsequently changed the name to Imperial Valley Solar, but later notified the commission on June 30, 2011 of its intention to no longer pursue the project. AES Solar and 8minuteenergy Renewables subsequently announced on February 17, 2012 their plan to revive the project, changing the technology from solar thermal to photovoltaic, and changing the project name to .

The first phase started construction in 2012 and went online in 2014, providing 266 MWp (206 MWAC) to San Diego Gas & Electric under a 25-year agreement. More than 3 million thin-film CdTe photovoltaic modules from and 138 skids designed and manufactured by Elettronica Santerno are used It was the world's largest solar project using single-axis trackers to follow the path of the sun upon completion. The cost for this first unit was $365million.

Phases two and three consist of 200 MWp and 328 MWp of power, respectively, on 3,200 acres (1,300 ha) contracted to Southern California Edison. Phase 2 is expected to be commissioned by 2020, while Phase 3 went online in July 2018. Phase 3 consists of 2.8 million Series 4 thin film panels from First Solar.

Project units

The Mount Signal Solar Farm consists of three units, or construction phases:

• Mount Signal 1 – a 266 MWDC (206 MWAC) station using . Construction on the 1,940-acre (790 ha) site began in November 2012 and was completed in May 2014.

• Mount Signal 2 – a proposed 200 MWDC (154 MWAC) solar power station also using photovoltaics on approximately 1,260 acres (510 ha) which is expected to be commissioned by 2020.

• Mount Signal 3 – a 328 MWDC (254 MWAC) solar power station using photovoltaics on 2,000 acres (810 ha) completed in July 2018. American solar PV manufacturer First Solar provided its Series 4 thin-film solar panels for the project, and NEXTracker supplied its NX Horizon smart systems.

Electricity production

Mount Signal 1 nameplate capacities: 260 MWdc, 206 MWac annual net output: 537 GW·h (avg 2015–2017) : 29.7%

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total

2013 14,324 22,836 37,160

2014 22,740 28,996 52,995 50,216 54,049 45,771 41,333 54,391 49,421 41,741 34,314 24,588 500,555

2015 26,785 36,002 48,988 54,670 57,135 57,622 58,306 56,135 41,832 40,183 32,880 28,148 538,685

2016 28,732 39,221 45,763 51,495 62,321 60,274 60,762 54,169 45,606 39,605 28,038 20,539 536,525

2017 21,264 23,751 44,398 47,373 60,412 65,437 59,589 55,128 51,371 47,328 29,254 30,779 536,083

1 Edited from Wikipedia, the free encyclopedia, 2019