Zinc-Air Long-Duration Grid Battery (Zn-Air 20MW / 240MWh) LCOS 2026

Model 20MW / 240MWh non-flammable aqueous alkaline zinc-air flow/static batteries (12-hour duration with earth-abundant zinc powder anodes and zero fire risk) calculating levelized cost of storage (LCOS).

Underwriting Assumptions

Rated Zinc-Air Plant Power (MW)

Discharge Duration (Hours)

Turnkey Zinc-Air System Capex ($M)

Off-Peak Renewable Charging 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