INSIGHTSSERIES
Power & Utilities | Energy Storage
July 27, 2026
Energy Storage Gains Strategic Importance as Grid Needs Evolve
From California’s first long-duration battery project to Maine’s first competitive storage solicitation, states are integrating energy storage more deeply into electricity system planning.
States across the U.S. are advancing utility-scale and distributed storage through new procurements and…Read the full report
Key Takeaways
- The California Public Utilities Commission has announced the completion of the first long-duration energy storage project developed through its integrated resource planning process.
- Maine has announced plans to procure 360 MW, more than doubling the state’s current installed storage capacity, while Massachusetts utilities are seeking approval of long-term contracts to procure 1.1 GW of capacity.
- Michigan regulators have approved tolling agreements for DTE Electric Co.’s energy storage systems constituting 300 MW of capacity, fulfilling special contracts to deploy nearly 1.4 GW of energy storage to serve a data center.
