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Pitkin County activates 1.5 MW battery at Aspen Area Business Center; microgrid will serve public facilities, add revenue pathways
Summary
Pitkin County completed a 1.5‑megawatt battery energy storage system at the Aspen Area Business Center (AABC). County staff described funding, current capacity and next steps for microgrid controls and operational agreements with Holy Cross Energy.
Pitkin County officials told the Board of County Commissioners on May 20 that construction and commissioning are complete for a 1.5 megawatt battery energy storage system (BESS) installed at the Aspen Area Business Center site, and described next steps for microgrid controls, maintenance contracts and potential revenue arrangements with Holy Cross Energy.
GR Fielding, Pitkin County construction and asset director, said the installed BESS can “be discharged or charged at a 1.5 megawatt rate” and has initial usable storage of about 3.6 megawatt‑hours; he noted expected degradation over decades toward roughly 2 MWh while remaining useful beyond that life span. Fielding described the microgrid arrangement as an emergency‑use capability…
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