MAGAZINE SUBSTATION NO. 21
SubstationMichigan
At a glance
MAGAZINE SUBSTATION NO. 21 is an electric transmission substation in Michigan. It is classified as unclassified and connects 0 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
No owner is recorded for the lines that connect here.
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of MAGAZINE SUBSTATION NO. 21, 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 |
|---|---|---|---|---|---|---|---|
| EC Near Dafter | Greenfield | MI | Chippewa | — | — | 2.2 yrs | 57.8 |
| EC FFE Chippewa County | Greenfield | MI | Chippewa County | — | — | 2.2 yrs | 57.4 |
| EC Near Dafter | Greenfield | MI | Chippewa | — | — | 2.2 yrs | 57.3 |
| EC Near Dafter | Greenfield | MI | Chippewa | — | — | 2.2 yrs | 57.3 |
| EC Near Dafter | Greenfield | MI | Chippewa | — | — | 2.2 yrs | 56.7 |
| OZ Chippewa | Greenfield | MI | Chippewa | — | — | 2.2 yrs | 55.6 |
| EC Near Dafter | Greenfield | MI | Chippewa | — | — | 2.2 yrs | 55.6 |
| EC Near Dafter | Greenfield | MI | Chippewa | — | — | 2.2 yrs | 55.4 |
How do candidate sites near MAGAZINE SUBSTATION NO. 21 score?
The 8 highest-scoring candidate sites within about 25 miles range from 55 to 58 on the 0–100 DC Readiness scale. They fall in Chippewa, Chippewa 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
How many transmission lines connect to MAGAZINE SUBSTATION NO. 21 substation?
0 transmission lines terminate at or pass through MAGAZINE SUBSTATION NO. 21 in the HIFLD line data.
Where is MAGAZINE SUBSTATION NO. 21 substation located?
MAGAZINE SUBSTATION NO. 21 is in Michigan at 46.5016, -84.3549. The datacenter candidate sites closest to it are in Chippewa, Chippewa County.
Are there datacenter candidate sites near MAGAZINE SUBSTATION NO. 21 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of MAGAZINE SUBSTATION NO. 21. The highest-scoring is EC Near Dafter at 58/100. Across Michigan, the average DC Readiness score is 55.2.
More in Michigan
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, “MAGAZINE SUBSTATION NO. 21 substation, Michigan”, https://gridcensus.com/substations/michigan/magazine-substation-no-21-43e18448 (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 MAGAZINE SUBSTATION NO. 21 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.