DAYTON
SubstationMichigan · WYANDOTTE MUNICIPAL SERV COMM
At a glance
DAYTON is an electric transmission substation in Michigan, on WYANDOTTE MUNICIPAL SERV COMM's transmission network. It is classified as sub-transmission (115 kv) and connects 3 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Ownership
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #122847 | 120 kV | WYANDOTTE MUNICIPAL SERV COMM | IN SERVICE | 0.9 mi |
| #137107 | 120 kV | — | IN SERVICE | 4.9 mi |
| #141302 | 120 kV | WYANDOTTE MUNICIPAL SERV COMM | IN SERVICE | 5.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of DAYTON, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| WAYNE | Substation-Adjacent | MI | Wayne County | 345 kV | 600 MW | 2.2 yrs | 69.4 |
| MILAN | Substation-Adjacent | MI | Washtenaw County | 345 kV | 600 MW | 2.2 yrs | 68.2 |
| WIXOM | Substation-Adjacent | MI | Oakland County | 345 kV | 600 MW | 2.2 yrs | 68.1 |
| COVENTRY | Substation-Adjacent | MI | Washtenaw County | 345 kV | 600 MW | 2.2 yrs | 67.9 |
| BROWNSTOWN | Substation-Adjacent | MI | Wayne County | 345 kV | 600 MW | 2.2 yrs | 67.4 |
| DEADEND167207 | Substation-Adjacent | MI | Monroe County | 345 kV | 600 MW | 2.2 yrs | 66.9 |
| UNKNOWN128894 | Substation-Adjacent | MI | Wayne County | 230 kV | 300 MW | 2.2 yrs | 66.8 |
| TAP139995 | Substation-Adjacent | MI | Wayne County | 230 kV | 300 MW | 2.2 yrs | 66.7 |
How does DAYTON compare with other substations in Michigan?
Michigan has 1,880 substation records in HIFLD, of which 277 carry a station name; the rest are unnamed tap points, risers and line ends. 106 named substations in the state are in DAYTON's 115–229 kV band (38% of named stations). 44 sit in a higher band. 43 named substations in Michigan operate at 345 kV or above. The highest voltage recorded in the state is 765 kV, and the state median is 138 kV.
Who owns the transmission lines at DAYTON?
The 3 connected lines listed above are owned by WYANDOTTE MUNICIPAL SERV COMM. Line voltages range from 120 kV to 120 kV. Their combined recorded length is about 11 miles.
How do candidate sites near DAYTON score?
The 8 highest-scoring candidate sites within about 25 miles range from 67 to 69 on the 0–100 DC Readiness scale. They fall in Wayne County, Washtenaw County, Oakland County, Monroe County. The Michigan average across 5,157 scored sites is 55.2. 768 of those Michigan sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is DAYTON substation?
DAYTON has a maximum voltage of 120 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so DAYTON is above the national midpoint.
How many transmission lines connect to DAYTON substation?
3 transmission lines terminate at or pass through DAYTON in the HIFLD line data. The connected lines listed here run at 120 kV. Together the listed lines cover about 11 miles.
Who owns DAYTON substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at DAYTON belong to WYANDOTTE MUNICIPAL SERV COMM. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is DAYTON substation located?
DAYTON is in Michigan at 42.1757, -83.5332. The datacenter candidate sites closest to it are in Wayne County, Washtenaw County, Oakland County.
Are there datacenter candidate sites near DAYTON substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of DAYTON. The highest-scoring is WAYNE at 69/100. Across Michigan, the average DC Readiness score is 55.2.
Other 120 kV substations in Michigan
- PONTIAC· 10 lines
- SUPERIOR· 9 lines
- DETROIT EDISON KING ROAD· 6 lines
- TOLL ROAD· 6 lines
- PHOENIX· 5 lines
- BLOOMFIELD· 4 lines
- MONROE· 4 lines
- SOUTHFIELD· 4 lines
- All named substations in Michigan· 277 stations
- Datacenter candidate sites in Michigan· 5,157 sites
- Brownfield and retired plant sites in Michigan
- Substations by state
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, “DAYTON substation, Michigan”, https://gridcensus.com/substations/michigan/dayton-b1049087 (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
Every site and score for DAYTON substation, 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.