Solid-State Iron-Air Long-Duration Grid Battery (Fe-Air 60MW / 600MWh) LCOS 2026

Model 60MW / 600MWh multi-day rust/un-rust iron-air grid batteries (10-hour to 100-hour discharge duration, <$20/kWh capital cost utilizing low-cost iron pellets) calculating levelized cost of storage (LCOS).

Underwriting Assumptions

Rated Iron-Air Plant Power (MW)

Discharge Duration (Hours)

Turnkey Iron-Air Plant Capex ($M)

Off-Peak Solar/Wind Charge Price ($/MWh)

Peak Multi-Day Arbitrage Price ($/MWh)

Annual Full Cycles

Projected Economics

Gross Annual Power Arbitrage Sales

Net Annual Operating Cash Flow

Capital Payback Period