Seven Sisters Solar Project is a 22.6 MW_p (20.2 MW_AC)

photovoltaic power station A photovoltaic power station, also known as a solar park, solar farm, or solar power plant, is a large-scale grid-connected photovoltaic power system (PV system) designed for the supply of merchant power. They are different from most building- ...

consisting of seven units dispersed across Beaver County and

Iron County, Utah Iron County is a county in southwestern Utah, United States. As of the 2010 United States Census, the population was 46,163. Its county seat is Parowan, and the largest city is Cedar City. The Cedar City, UT Micropolitan Statistical Area incl ...

. The project was developed by

SunEdison SunEdison, Inc. (formerly MEMC Electronic Materials) is a renewable energy company headquartered in the U.S. In addition to developing, building, owning, and operating solar power plants and wind energy plants, it also manufactures high purity po ...

, built by

Swinerton Renewable Energy Swinerton is a commercial construction company that provides services in the United States for commercial office, retail, multi-family residential, hospitality, healthcare, education, energy, and the entertainment sectors. The company also provide ...

, and completed in September 2016. The electricity is being sold to

Rocky Mountain Power PacifiCorp is an electric power company in the western United States. PacifiCorp has two business units: # Pacific Power, a regulated electric utility with service territory throughout Oregon, northern California, and southeastern Washington. ...

under seven separate 20-year

power purchase agreement A power purchase agreement (PPA), or electricity power agreement, is a contract between two parties, one which generates electricity (the seller) and one which is looking to purchase electricity (the buyer). The PPA defines all of the commercial te ...

Project details

The project consists of seven separate units distributed on private land at sunny and cool elevations near 6,000 feet. Planning for the project was initiated by the independent renewable energy developer

First Wind First Wind is an independent renewable energy company. It develops and operates utility-scale power projects in the United States. It employs more than 220 workers. Headquartered in Boston, the company developed and operated renewable energy pr ...

(founded 2002) which began expanding into photovoltaic energy around 2012. First Wind and its extensive portfolio of assets in western Utah were acquired by SunEdison and its TerraForm Power

yield co A yield co or yieldco is a company that is formed to own operating assets that produce a predictable cash flow, primarily through long term contracts. Separating volatile activities (such as development, R&D, construction) from stable activities of ...

in November 2014. Construction of Seven Sisters began several months later in April 2015. Construction progressed simultaneously at all seven sites, created 135 construction jobs at the peak, and was completed by September 2015. The electricity is expected to power more than 4,000 homes. The project is operated and maintained by TerraForm Power. SunEdison filed for Chapter 11

bankruptcy Bankruptcy is a legal process through which people or other entities who cannot repay debts to creditors may seek relief from some or all of their debts. In most jurisdictions, bankruptcy is imposed by a court order, often initiated by the debtor ...

protection on April 21, 2016. TerraForm retained ownership of the already completed Seven Sisters facility following the restructuring.

References

{{Solar power in the United States Buildings and structures in Beaver County, Utah Buildings and structures in Iron County, Utah Solar power stations in Utah Photovoltaic power stations in the United States Energy infrastructure completed in 2015

Project details

See also

References