The Sun Pond solar and storage project in Maricopa County, Arizona, is now online. The 111-MW solar and 340-MWh storage project was developed by Longroad Energy and constructed by McCarthy Building Companies.
Two California utilities, Ava Community Energy and San José Clean Energy (SJCE), have contracted for the output of Sun Pond via long-term PPAs.
“With Sun Pond now operational, Longroad is pleased to be expanding access to renewable energy for customers in the greater Bay Area,” said Charles Spiliotis, Chief Investment Officer and co-founder of Longroad Energy. “Sun Pond’s battery storage system adds firm, flexible capacity – ensuring low-cost, clean power is available when the grid needs it most.”
Sun Pond is part of the Longroad Sun Streams Complex, a four-project complex totaling nearly 1.6 GW of solar and storage capacity in Maricopa County, Arizona. The entire Longroad Sun Streams Complex is providing more than $300 million in benefits to Arizona schools and communities through its long-term leases with the Arizona State Land Department and tax remittances.
Longroad employed the Gridstack battery energy storage system from U.S.-based energy storage platform provider Fluence for the Sun Pond BESS. Sun Pond utilizes First Solar’s PV modules, Nextpower’s smart trackers and Sungrow’s solar inverters.
McCarthy was the EPC contractor. More than 300 people were employed across all contractors and teams at peak construction. NovaSource Power Services and Longroad’s affiliate Longroad Energy Services will provide comprehensive operations and maintenance services.
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