Sodium-Ion Long-Duration Grid Battery (Na-Ion 25MW / 150MWh) LCOS 2026

Model 25MW / 150MWh non-lithium Prussian white / hard carbon sodium-ion batteries (6-hour duration, earth-abundant salt electrolyte, wide -30°C to 50°C thermal window) calculating levelized cost of storage (LCOS).

Underwriting Assumptions

Rated Sodium-Ion Plant Power (MW)

Discharge Duration (Hours)

Turnkey Sodium-Ion Stack 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