Longroad Energy, a US based renewable energy developer, has announced the financial close of Serrano, its 220 MWdc solar and 214 MWac/855 MWh storage project in Arizona. Serrano is Longroad's first project to utilise First Solar's US manufactured Series 7 panels. The project has commenced construction, and commercial operations are currently expected for mid-2025.
Longroad's solar footprint in Arizona market is now greater than 1.5 GW of operating or under construction projects.
The output of Serrano will be purchased by Arizona Public Service under a long-term Power Purchase Agreemen. The project will support grid reliability, particularly during Arizona's hot summer months.
McCarthy Building Companies is the engineering, procurement and construction contractor on Serrano. The Serrano project is the fourth large-scale solar facility in Arizona being built by McCarthy for Longroad and is expected to employ over 300 people during the construction process.
Serrano's battery energy storage system will be provided by US–based energy storage platform provider Powin. Longroad, in conjunction with Powin and NovaSource Power Services, will provide long-term operations and maintenance services for the BESS. Nextracker is supplying trackers for the project and Sungrow is supplying the solar inverters. Comprehensive operations and maintenance services for the project will be provided by NovaSource Power Services and Longroad's affiliate Longroad Energy Services.
Image: Longroad Energy’s Sun Streams complex in Arizona (courtesy of Longroad Energy)
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