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Energy Storage Boom Undercuts Coal Revival Ambitions
Key Takeaways
- Hydrostor's Willow Rock facility delivers 500 MW with 8+ hours of storage using compressed air caverns at 2,000-foot depth
- Compressed air storage costs $293/kWh at 8-hour duration, undercutting lithium-ion at $304/kWh for 4-hour systems
- Hydrostor's global pipeline totals 7 gigawatts with projects across California, Australia, Arizona, Nevada, and New York
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DT Editorial Team··2 min read·via cleantechnica.com