Iron-Flow Long-Duration Grid Battery (Fe-Flow 35MW / 280MWh) LCOS 2026

Model 35MW / 280MWh all-iron redox flow batteries (8-hour duration, utilizing earth-abundant iron, salt, and water electrolyte with zero degradation over 30 years) calculating levelized cost of storage (LCOS).

Underwriting Assumptions

Rated Iron-Flow Plant Power (MW)

Discharge Duration (Hours)

Turnkey All-Iron Flow Battery Capex ($M)

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

Peak Capacity Arbitrage Price ($/MWh)

Annual Full Cycles

Projected Economics

Gross Annual Power Arbitrage Sales

Net Annual Operating Cash Flow

Capital Payback Period