ContourGlobal announced the completion of a substantial Power Purchase Agreement with Tesla for Project Sterling, a hybrid renewable energy installation in Arizona’s Western Area Power Administration region. The accord commits Tesla to purchasing approximately 1 terawatt-hour per year, equating to roughly 90 percent of the facility’s projected annual generation.
Project Sterling combines 509 megawatts peak solar photovoltaic capacity with 450 megawatts of alternating current conversion capability, alongside 360 megawatts and 1.4 gigawatt-hours of battery storage. The combined system is expected to generate more than 1.1 terawatt-hours annually and will represent ContourGlobal’s largest renewable asset upon completion. The facility benefits from firm transmission rights into California’s CAISO market and will be pseudo-tied to serve Tesla’s energy requirements.
ContourGlobal acquired the project in its development phase in December 2024 and has subsequently redesigned it to align with Tesla’s specific needs. The company’s internal teams across business development, engineering, procurement, and commercial operations have restructured the project accordingly. Off-site construction activities commenced in 2025, with major equipment procurement completed in June. On-site construction work is scheduled to begin later in the year, with commercial operations targeted for 2028.
The agreement marks a significant milestone for ContourGlobal, following the startup of its first U.S. renewable facility in 2025. Company leadership characterized the Tesla agreement as one of the largest power purchase agreements in recent U.S. renewable energy history and highlighted the company’s ability to develop customized energy solutions for major customers engaged in the global energy transition.
Article Attribution | Read More at Article Source
Article summary produced by Claude AI