EDP Renewables North America and Salt River Project (SRP), a not for-profit public power utility serving more than 2 million people in central Arizona completed Flatland Energy Storage, a 200-MW/800-MWh battery energy storage system (BESS) in Coolidge, Arizona. Located in Pinal County, Flatland Energy Storage has the capacity to power approximately 44,500 homes, helping ensure reliable electricity during periods of peak demand.
The 200-MW Flatland Energy Storage project in Coolidge, Arizona. Credit: EDP Renewables North America
“Energy storage plays a critical role in maintaining a reliable and resilient electric grid, especially as demand continues to grow,” said Sandhya Ganapathy, CEO of EDP Renewables North America. “Projects like Flatland Energy Storage ensure power is available when it’s needed most, while also delivering meaningful, long-term benefits to the communities that host them.”
Flatland Energy Storage represents more than $20 million in local and regional economic impact over its lifetime, including. Most of that will support local public services and infrastructure, including schools, roads, emergency services and equipment. This project created 142 jobs during construction.
“Flatland Energy Storage is part of SRP’s all-of-the above approach to providing reliable, affordable and sustainable power to our customers,” said Bobby Olsen, SRP associate general manager and chief power system executive. “SRP will continue to invest in battery energy storage resources as part of its growing resource portfolio.”
EDPR NA has approximately 600 MW of solar and storage operating capacity across Arizona powering the equivalent of more than 113,000 homes.
“Meeting Arizona’s growing energy demand is critical to sustaining economic development and attracting future large‑scale investment to our region,” said Craig McFarland, president and CEO of Pinal Partnership. “EDP Renewables’ Flatland Energy Storage project bolsters the region’s commitment to responsible growth and reflects strong coordination with community stakeholders, consistent with Pinal Partnership’s all‑of‑the‑above approach to powering our county’s future.”
News item from EDP Renewables North America












