Tucson Electrical Energy (TEP) plans to construct the 200 MW Roadrunner Reserve II, the corporate’s second massive BESS, in southeast Tucson.
The system, slated to retailer 800 MWh, is scheduled to start operation in 2026, a yr after the equally sized Roadrunner Reserve is predicted to start working on the identical website.
The side-by-side programs are slated to be the most important vitality storage assets in TEP’s portfolio.
“Our new Roadrunner Reserve II system will assist us profit from intermittent assets, particularly in the course of the summer season when utilization is highest and clients are relying on us essentially the most,” says Susan Grey, TEP’s President and CEO.
“We’d like further vitality storage as a part of a various vitality portfolio to assist service reliability.”
The tasks might be constructed subsequent to a southeast-side TEP substation. Building of Roadrunner Reserve is ongoing, whereas development of Roadrunner Reserve II is scheduled to start later this yr.
At present, TEP has 50 MW of storage capability, together with a 30 MW BESS on the Wilmot Power Heart.
The corporate will personal and function each programs, which might be designed and constructed by Scottsdale-based DEPCOM Energy. Each programs will use lithium iron phosphate battery models.
TEP and its guardian firm, UNS Power, are subsidiaries of Fortis.
