Electric Substations in Michigan

277 named substations in Michigan, with the highest-voltage facilities listed first. Each substation profile shows voltage class, connected transmission lines, and the datacenter candidate sites closest to it.

At a glance

Michigan has 1,880 electric substation records in the HIFLD dataset, 277 of them with a station name (the other 1,603 are unnamed tap points, risers and line ends). 43 named substations operate at 345 kV or above, 1 of them at 500 kV or more. The highest recorded voltage is 765 kV and the median is 138 kV.

How is Michigan's substation network split by voltage?

By maximum voltage, the named substations break down as 1 at 500 kV and above; 42 at 345–499 kV; 1 at 230–344 kV; 106 at 115–229 kV; 89 at 69–114 kV; 38 withvoltage not recorded. 16% of Michigan's named substations operate at 345 kV or above, against 8% across all 16,654 named US substations. The state median of 138 kV is above the national median of 115 kV.

How does Michigan compare with other states?

Michigan ranks 16th of 50 states and DC by number of named substations and 8th by named substations at 345 kV or above. It also has 5,157 scored datacenter candidate sites with an average DC Readiness score of 55.3 (national average 53), and an average power sub-score of 34.3 against 37.4 nationally. Most of those sites (4,857) are in the MISO market.

Which substations in Michigan have the highest voltage?

Substation	Max voltage	Connected lines	Line owner
COOK	765 kV	5	AMERICAN ELECTRIC POWER CO., INC
ARGENTA	345 kV	15	CONSUMERS ENERGY CO
ARNOLD	345 kV	6	AMERICAN TRANSMISSION CO
BANNER	345 kV	5	—
BATTLE CREEK	345 kV	6	CONSUMERS ENERGY CO
BAUER	345 kV	8	CONSUMERS ENERGY CO
BENTON HARBOR	345 kV	4	AMERICAN ELECTRIC POWER CO., INC
BROWNSTOWN	345 kV	17	WYANDOTTE MUNICIPAL SERV COMM
COOK	345 kV	9	AMERICAN ELECTRIC POWER CO., INC
COVENTRY	345 kV	10	—
DEAD RIVER	345 kV	2	AMERICAN TRANSMISSION CO
FITZ	345 kV	7	CONSUMERS ENERGY CO
GAINES	345 kV	6	CONSUMERS ENERGY CO
GALLAGHER	345 kV	5	CONSUMERS ENERGY CO
GOSS	345 kV	5	CONSUMERS ENERGY CO
GREENWOOD	345 kV	12	—
HAMPTON	345 kV	6	CONSUMERS ENERGY CO
KARN	345 kV	8	CONSUMERS ENERGY CO
KENOWA	345 kV	6	CONSUMERS ENERGY CO
KENZIE CREEK	345 kV	8	INDIANA MICHIGAN POWER CO
KEYSTONE	345 kV	8	CONSUMERS ENERGY CO
LIVINGSTON	345 kV	9	CONSUMERS ENERGY CO
LUDINGTON	345 kV	9	WOLVERINE POWER SUPPLY COOP
MAJESTIC	345 kV	8	CONSUMERS ENERGY CO
MILAN	345 kV	8	CONSUMERS ENERGY CO
MOROCCO	345 kV	6	CONSUMERS ENERGY CO
NELSON ROAD	345 kV	5	CONSUMERS ENERGY CO
ONEIDA	345 kV	4	CONSUMERS ENERGY CO
PALISADES	345 kV	7	AMERICAN ELECTRIC POWER CO., INC
PLAINS	345 kV	13	AMERICAN TRANSMISSION CO
RAPSON	345 kV	9	—
RENAISSANCE STATION	345 kV	2	WOLVERINE POWER SUPPLY COOP
ROOSEVELT	345 kV	6	CONSUMERS ENERGY CO
SENECA	345 kV	4	—
ST. CLAIR	345 kV	16	—
TALLMADGE	345 kV	14	CONSUMERS ENERGY CO
THETFORD	345 kV	16	CONSUMERS ENERGY CO
TITTABAWASSEE	345 kV	13	CONSUMERS ENERGY CO
TOMPKINS	345 kV	6	CONSUMERS ENERGY CO
VERGENNES	345 kV	7	CONSUMERS ENERGY CO
WAYNE	345 kV	15	WYANDOTTE MUNICIPAL SERV COMM
WEEDS LAKE	345 kV	6	CONSUMERS ENERGY CO
WIXOM	345 kV	9	—
CRESTWOOD	230 kV	2	—
AEP COLBY	138 kV	2	INDIANA MICHIGAN POWER CO
AEP EAST WATERVLIET	138 kV	2	—
ALCONA	138 kV	2	CONSUMERS ENERGY CO
ALMA	138 kV	2	CONSUMERS ENERGY CO
AMBER	138 kV	3	CONSUMERS ENERGY CO
ATC PERKINS	138 kV	6	AMERICAN TRANSMISSION CO
ATLANTIC	138 kV	6	—
BATAVIA	138 kV	4	CONSUMERS ENERGY CO
BAY DE NOC	138 kV	2	—
BEECHER	138 kV	9	CONSUMERS ENERGY CO
BLACK RIVER	138 kV	7	CONSUMERS ENERGY CO
BLANEY PARK SW STA	138 kV	7	—
BREVORT	138 kV	1	—
CHALK HILLS HY	138 kV	3	AMERICAN TRANSMISSION CO
CHANDLER	138 kV	9	AMERICAN TRANSMISSION CO
CHASE	138 kV	2	CONSUMERS ENERGY CO

Every named substation in Michigan

All 277 named substations, grouped by voltage band.

500 kV and above · 1

COOK

230–344 kV · 1

CRESTWOOD

115–229 kV · 106

69–114 kV · 89

Frequently asked questions

How many electric substations are in Michigan?

HIFLD records 1,880 substations in Michigan, of which 277 carry a station name. That is the 16th-most named substations of any state in the dataset.

What is the highest-voltage substation in Michigan?

COOK is the highest-voltage named substation in Michigan, at 765 kV.

Which substation in Michigan connects the most transmission lines?

BROWNSTOWN has the most connected transmission lines of the named substations listed here, with 17 at up to 345 kV.

How many substations in Michigan are 345 kV or higher?

43 of 277 named substations (16%) operate at 345 kV or above, compared with 8% nationally. Michigan ranks 8th of 50 states and DC for named substations at that level.

How many datacenter candidate sites in Michigan are at substations?

768 of the 5,157 scored candidate sites in Michigan are substation sites — locations generated at an existing substation. Scored sites across Michigan average 55.3 on the 0–100 DC Readiness scale, against 53 nationally.

Looking for a specific record? The directory lists every substation in Michigan, A to Z.

About this data

Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Electric substations in Michigan”, https://gridcensus.com/substations/michigan (data as of June 29, 2026).

Dataset updated November 2026. Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for substations in Michigan is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.

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