OnPeak Power Projects
OnPeak Power Projects
Over 1.6 GW of Solar & Storage
Over 1.6 GW of Solar & Storage
Reliable, Affordable, Renewable Energy When it is Needed Most
OnPeak Power is an industry leading privately held renewable energy company specializing in renewable energy project development and asset optimization.
OnPeak is a full cycle development company creating value optimized projects, securing and origination project agreements, and project management through construction and into operations.
OnPeak Power is active in 12 states in ERCOT, SPP, MISO, and WECC.
Reliable, Affordable, Renewable Energy When it is Needed Most
OnPeak Power is an industry leading privately held renewable energy company specializing in renewable energy project development and asset optimization.
OnPeak is a full cycle development company creating value optimized projects, securing and origination project agreements, and project management through construction and into operations.
OnPeak Power is active in 12 states in ERCOT, SPP, MISO, and WECC.
Operating Projects
Greasewood, Pecos County, Texas (ERCOT)
OnPeak Power sold the 1985-acre project site located in Pecos County, Texas to Copenhagen Infrastructure Partners (CIP) in December 2018. Mortenson construction completed the project in February 2021. Energy generated from Greasewood Solar is delivered to the ERCOT grid with 150MW secured by long term power contracts to the City of Garland, New Braunfels Utilities, and the Kerrville Public Utility Board.
Location: Pecos County, Texas
Capacity: 255 MWac Solar
COD: February 2021
Off-takers: 150MW contracted long term power contracts to the City of Garland, New Braunfels Utilities, and the Kerrville Public Utility Board
Advanced Development Projects
Tierra Bonita (Greasewood II), Pecos County, Texas (ERCOT)
Tierra Bonita is a 305 MWac facility located in Pecos County, Texas in ERCOT West adjacent to Greasewood I.
OnPeak Power sold Tierra Bonita to Ashtrom Renewable Energy in 2021 and is lead project developer. In September 2022, Tierra Bonita entered into a power purchase agreement for 180 MWs with CPS Energy.
The project is currently under construction and will achieve operations in 2024.
Location: Pecos County, Texas
Capacity: 306 MWac Solar
COD: December 2024
Off-takers: 180 MW contracted long term power contract to CPS Energy
El Patrimonio, Bexar County, Texas (ERCOT)
El Patrimonio is a planned 145 MWac facility located in Bexar County, Texas interconnecting to the ERCOT 138kV transmission system.
OnPeak Power sold El Patrimonio to Ashtrom Renewable Energy in 2021 and is the lead developer. In January 2023, El Patrimonio entered into a power purchase agreement for 100 MWs with CPS Energy.
The project, currently in development, will start construction in 2024 with operation planned for 2025.
Location: Bexar County, Texas
Capacity: 145 MWac Solar
COD: May 2025
Off-takers: 100 MW contracted long term power contract to CPS Energy
Whitethorn (Greasewood III), Pecos County, Texas (ERCOT)
Whitethorn is a planned 270 MWac facility located in Pecos County, Texas interconnecting to the ERCOT 345kV transmission system.
OnPeak Power sold Whitethorn to Ashtrom Renewable Energy in 2021 and is the lead developer.
The project, currently in development, will start construction in 2024 with operation planned for 2025.
Location: Pecos County, Texas
Capacity: 270 MWac Solar
COD: December 2025
Greasewood IV, Pecos County, Texas (ERCOT)
Greasewood IV is a planned 224 MWac facility located in Pecos County, Texas interconnecting to the ERCOT 345kV transmission system.
OnPeak Power sold Whitethorn to Ashtrom Renewable Energy in 2023 and is the lead developer.
The project, currently in development, will start construction in 2025 with operation planned for 2026.
Location: Pecos County, Texas
Capacity: 224 MWac Solar
COD: December 2026
Rolling Sun, Randall County, Texas (SPP)
Rolling Sun is a planned 300 MWac facility located in Randall County, Texas interconnecting to the Xcel’s SPS 230kV transmission system.
OnPeak Power sold Rolling Sun to Ashtrom Renewable Energy in 2022 and is the lead developer.
The project, currently in development, will start construction in 2026 with operation planned for 2027
Location: Randall County, Texas
Capacity: 300 MWac Solar
COD: December 2027
Soles Rest, Elmore County, Idaho (Idaho Power Co.)
Soles Rest is a planned 151 MWac facility located in Elmore County, Idaho interconnecting to the Idaho Power 230kV transmission system.
OnPeak Power sold Soles Rest to Ashtrom Renewable Energy in 2021 and is the lead developer.
The project, currently in development, will start construction in 2025 with operation planned for 2026.
Location: Elmore County, Idaho
Capacity: 151 MWac Solar
COD: December 2026
Beautyberry Solar, Lonoke County, Arkansas (MISO South)
Beautyberry Solar is a planned 143 MWac facility located in Lonoke County, Arkansas interconnecting to the Entergy Arkansas transmission system.
The project, currently in development, will start construction in 2026 with operation planned for 2027
Location: Lonoke County, Texas
Capacity: 143 MWac Solar
COD: December 2027