DTE Electric 1,332 MW Battery Storage Portfolio — 6 projects approved by Michigan MPSC

Michigan Public Service Commission approves DTE Electric's 1,332 MW battery storage portfolio across six projects: (1) Big Mitten Energy Center — 450 MW, Huron County (third-party developer, 20-year tolling); (2) Monroe I Energy Center — 350 MW, Monroe County (DTE self-build); (3) Fermi Energy Center — 200 MW, Monroe County (DTE self-build); (4) Cold Creek Energy Center, (5) Fish Creek Energy Center, (6) Pine River Energy Center — 332 MW combined, Washtenaw County, serving Green Chile Ventures data center (Saline Township). Projects 1–3 fulfill 2023 IRP settlement requiring 850+ MW storage. Projects 4–6: Green Chile Ventures bears 15-year costs; DTE owns/operates; Green Chile receives wholesale revenues. DTE total BESS portfolio reaches 2,606 MW post-approval. Note: DTE's Cold Creek Energy Center (MI) is distinct from Doral's Cold Creek Solar + Storage (TX, fin-2026-087).

Deal Details

Deal Type

Regulatory & Permits

Seller / Sponsor

DTE Electric Co.

Stage

Development

ISO/RTO

MISO

Source

Michigan Public Service Commission