Horseshoe Energy Project Industrial Proposal
Summary
Epic Star Energy proposed a massive 500-megawatt battery storage facility and 500-megawatt natural gas peaking plant on 159.2 acres in Hidden Valley. Residents and commissioners raised intense concerns over a late-stage capacity doubling, noise, water usage, and safety, leading to a unanimous continuance.
At a glance
- Total mentions
- 2
- Last 30 days
- 1
Discussed at 2 meetings in the last 60 days; most recently Oct 15, 2026.
Impact analysis
Projected construction investment of $310 million and significant long-term property tax revenues.
Utility customers within the Salt River Project service area requiring grid reliability and peak power.
Hidden Valley residents experiencing concerns over environmental safety, noise pollution, and rural character alteration.
Mentions & discussions (2)
Planning and Zoning Commission Meeting — October 15, 2026
Residents and tribal leaders strongly opposed a proposed natural gas peaking plant and battery storage facility in Hidden Valley, citing severe noise, air quality impacts, safety risks, and incompatibility with their rural lifestyle.
Planning and Zoning Commission Meeting — September 17, 2026
Epic Star Energy proposed a massive 500-megawatt battery storage facility and 500-megawatt natural gas peaking plant on 159.2 acres in Hidden Valley. Residents and commissioners raised intense concerns over a late-stage capacity doubling, noise, water usage, and safety, leading to a unanimous continuance.
Related development
ASLD Solar and Battery Energy Storage Project
Generates revenue for state trust beneficiaries including K-12 education while expanding regional solar capacity.
Rosebud Energy Project
Saves 2,100 acre-feet of irrigation water annually while introducing a renewable energy facility adjacent to existing electrical infrastructure.
Horseshoe Energy Project
Spurred intense public debate over energy infrastructure expansion, noise, water use, and a capacity increase, leading to a continuance to allow further community outreach.
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