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14 MW BESS operating in Wayne, MI
14 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
33.7153, -117.8543
County
Wayne, MI
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | DTE Electric Company | DTE Electric | — |
| Owner(s) | DTE Electric Company | DTE Energy | — |
| Status | Operating | — | — |
Slocum Energy Storage is a 14 MW battery energy storage system located in Wayne County, Michigan. The plant, which began operating in 2025, has one generator and is owned and operated by DTE Energy, specifically DTE Electric Company. The primary fuel type is electricity (MWH), indicating that the facility stores and discharges power rather than consuming fossil fuels. The battery system has a duration of 4 hours.
Slocum Energy Storage operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority, and is within the RFC NERC region. It is the fourth-largest of six battery storage facilities in Michigan, and ranks 716th out of 1205 such facilities nationally. The plant has been the subject of 10 news articles, covering industry trends, regulatory matters, deals, and grid-related topics.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
120.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
No generation data available for this plant.
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2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $19.1M
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Market Position
ISO/RTO Market
MISO
LMP Node
DECO.SLOES11
Pricing Hub
MICHIGAN.HUB
Location Type
Generation Node
Node Source
Curated node match
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-04-09
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