The Shifting Economics of Grid-Scale Storage
Battery storage costs have declined 40% since 2022, reshaping the economics of grid flexibility. This analysis examines the levelized cost of storage across lithium-ion, iron-air, and flow battery technologies, with projections through 2030.
Key Findings
- 4-hour lithium-ion LCOS has fallen below $120/MWh in leading markets
- Iron-air systems are approaching cost parity for long-duration applications
- Merchant storage revenue stacking is viable in 6 of 12 analyzed markets