Press Release: Terrasun to Provide Leeward Renewable Energy with Energy Storage and Lifecycle Services for Willow Springs 3 and Chaparral Solar Projects

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Terrasun to Provide Energy Storage and Lifecycle Services for Leeward Renewable Energy’s Willow Springs 3 and Chaparral Solar Projects

CHICAGO, December 1, 2021 ( – IHI Terrasun Solutions, Inc. (Terrasun), a subsidiary of the IHI Corporation, has signed an agreement with Leeward Renewable Energy to provide energy storage system solutions and lifecycle services for Leeward’s Willow Springs 3 and Chaparral Solar utility-scale solar-plus-storage projects in Kern County, California.

Upon completion of the respective construction projects, Willow Springs 3 and Chaparral Solar will collectively be capable of generating 174MW of clean energy and have a storage capacity of 88MW / 352MWh. Terrasun will support Leeward’s operations of the energy storage system portions of both solar-plus-storage facilities to bring their customers one step closer to providing renewable energy and carbon-neutral portfolios.

“We look forward to working with Leeward on these projects,” Jamal Burki, President of IHI Terrasun Solutions states. “Based on our repeated success in the distributed generation applications, we are focused on providing our same adaptable technology and flexible range of services for these utility-scale projects. I am further enthused with the collaborative spirit the Leeward and Terrasun teams have demonstrated as we worked to develop the solution. We look forward to seeing the projects successfully progress.”  

Terrasun’s technology-agnostic approach integrates multiple top-tier batteries, inverter technologies and intelligent system controls into offerings that enable customers to develop and operate the ideal energy storage solution for their needs. Terrasun’s commitment to software and operational maintenance will guarantee performance for the long-term project with a bankable and stable balance sheet.

“Terrasun’s energy storage and lifecycle services will enhance our projects’ abilities to dispatch reliable clean energy to our customers. Leeward is proud to collaborate with Terrasun on this important step in the growth of solar-plus-storage projects in harnessing renewable energy to power our world,” said Mark Hensley, SVP of Project Execution for Leeward.

The two companies align in their focus on safety, quality, and their expertise in the US energy market. Terrasun provides energy storage technology and lifecycle services, including monitoring, maintenance, warranty management and augmentation. Leeward will own and operate both facilities. Construction will begin December 2021 and be completed by December 2022.


About IHI Terrasun Solutions

Since 1853, the IHI Corporation has been a global energy and industrial company. IHI Terrasun Solutions, Inc. was established in 2014 as IHI Energy Storage and has been positioned to develop software and provide energy storage system integration solutions and services with 902+ MWh installed, contracted and in construction. IHI Terrasun Solutions, Inc. now provides integrated solar + storage lifecycle services and solutions grounded in advanced software and hardware.

Interested parties can learn more about the range of solutions and services offered by IHI Terrasun Solutions, Inc. on the company website:


About Leeward Renewable Energy, LLC

Leeward Renewable Energy is a leading renewable energy company that owns and operates a portfolio of 21 renewable energy facilities across nine states totaling approximately 2,000 megawatts of generating capacity. Leeward is actively developing new wind, solar, and energy storage projects in energy markets across the U.S., with 17 gigawatts under development spanning over 100 projects. Leeward is a portfolio company of OMERS Infrastructure, an investment arm of OMERS, one of Canada’s largest defined benefit pension plans with $114 billion in net assets (as of June 30, 2021). For more information, visit




Terrasun Contact Info:
Marie Evans
Marketing Partner, Same Brain Creative


Leeward Contact Info:
Kelly Kimberly
Sard Verbinnen & Co.

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