Iron-Air (Fe-Air 100-Hour Multi-Day Storage) Grid Resilience LCOS Calculator 2026

Model ultra-low-cost iron-air (Fe/Air) multi-day grid energy storage systems ($25/kWh cell capex), non-toxic rust-based reversible oxidation, sub-zero cold performance, and 100-hour LCOS.

Underwriting Assumptions

Rated Continuous Power (MW)

Discharge Duration (Hours)

Iron-Air Turnkey Capex ($/kWh)

Deep Multi-Day Discharge Cycles / Year

Grid Peak Capacity & Resilience Value ($/MWh)

Projected Economics

Total Storage Energy Rating

Turnkey Installed System Capex

Net Annual Resilience Cash Flow

Simple Capital Payback