EWG notices filed for 130 MW of Granite Mountain solar projects in Utah

Granite Mountain Solar East LLC, which is building an 80-MW project in Utah, on Feb. 1 filed with the Federal Energy Regulatory Commission a notice of self-certification that it is an exempt wholesale generator.

Granite Mountain Solar East is wholly owned by Granite Mountain Holdings LLC. One hundred percent of the Class A membership interest in Granite Mountain Holdings is owned by Granite Mountain Renewables LLC, an indirect wholly owned subsidiary of SunEdison Inc. One hundred percent of the Class B membership interest in Granite Mountain Holdings is owned by Dominion Solar Projects III Inc., an indirect wholly owned subsidiary of Dominion Resources (NYSE: D).

Granite Mountain Solar East is constructing and will own an approximately 80 MW (ac nameplate) solar facility to be located in the Town of Cedar City, Iron County, Utah. Granite Mountain Solar East will sell electric capacity and energy produced at the facility at wholesale under a 20-year Power Purchase Agreement with PacifiCorp. Granite Mountain Solar East anticipates that its facility will begin commercial operations in August 2016.

The facility will consist of approximately 322,620 solar photovoltaic panels, 48 1,667 kW inverters, and interconnection facilities necessary to connect it to transmission facilities owned by PacifiCorp, including an approximately 0.9-mile, 138-kV generation tie-line, one 138 kV rated circuit breaker and disconnection switch, a 34.5 kV collector system and a 34.5 to 138 kV substation.

Granite Mountain Solar West LLC, also co-owned by SunEdison and Dominion, filed its own EWG notice with FERC on Feb. 1. It is constructing and will own and operate an approximately 50 MW (ac nameplate) solar facility to be located in Cedar City in Iron County. Granite Mountain Solar West will sell electric capacity and energy produced at the facility at wholesale under a 20-year Power Purchase Agreement with PacifiCorp. Granite Mountain Solar West anticipates that the facility will begin commercial operations in August 2016.

The facility will consist of approximately 189,468 solar photovoltaic panels, 28 1,833 kW inverters, and interconnection facilities necessary to connect the facility to transmission facilities owned by PacifiCorp, including an approximately 1.1-mile, 138-kV generation tie-line, one 138 kV rated circuit breaker and disconnection switch, a 34.5 kV collector system and a 34.5 to 138 kV substation.

SunEdison Inc. (NYSE: SUNE) announced in April 2015 that it had signed agreements to construct and install three new utility-scale solar power plants in southern Utah that would sell power to PacifiCorp. Two of those projects are the Granite Mountain facilities, while the third of those projects was Iron Springs Solar.

On Feb. 1, Iron Springs Solar LLC filed its own EWG notice with FERC. It is also co-owned by SunEdison and Dominion. Iron Springs Solar is constructing and will own an approximately 80-MW (ac nameplate) solar facility to be located in Cedar City in Utah. Iron Springs Solar will sell electric capacity and energy produced at the facility at wholesale pursuant to a 20-year Power Purchase Agreement with PacifiCorp. Iron Springs Solar anticipates that the facility will begin commercial operations in August 2016.

The facility will consist of approximately 322,620 solar photovoltaic panels, 48 1,667 kW inverters, and interconnection facilities necessary to connect the facility to transmission facilities owned by PacifiCorp, including an approximately 5.8-mile, 138-kV generation tie-line, one 138 kV rated circuit breaker and disconnection switch, a 34.5 kV collector system and a 34.5 to 138 kV substation.

About Barry Cassell 20414 Articles
Barry Cassell is Chief Analyst for GenerationHub covering coal and emission controls issues, projects and policy. He has covered the coal and power generation industry for more than 24 years, beginning in November 2011 at GenerationHub and prior to that as editor of SNL Energy’s Coal Report. He was formerly with Coal Outlook for 15 years as the publication’s editor and contributing writer, and prior to that he was editor of Coal & Synfuels Technology and associate editor of The Energy Report. He has a bachelor’s degree from Central Michigan University.