KARN
SubstationMichigan · CONSUMERS ENERGY CO
KARN is an electric transmission substation in Michigan, operated by CONSUMERS ENERGY CO. It is classified as high-voltage (345 kv) and connects 8 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #64339 | 345 kV | CONSUMERS ENERGY CO | — | 0.1 mi |
| #30409 | 345 kV | CONSUMERS ENERGY CO | IN SERVICE | 1.9 mi |
| #42444 | 345 kV | CONSUMERS ENERGY CO | IN SERVICE | 1.9 mi |
| #31123 | 138 kV | CONSUMERS ENERGY CO | IN SERVICE | 17.9 mi |
| #23970 | 138 kV | CONSUMERS ENERGY CO | IN SERVICE | 15.3 mi |
| #42732 | 138 kV | CONSUMERS ENERGY CO | — | 21.3 mi |
| #29654 | 138 kV | CONSUMERS ENERGY CO | IN SERVICE | 14.8 mi |
| #43033 | 138 kV | CONSUMERS ENERGY CO | IN SERVICE | 44.8 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of KARN, 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 |
|---|---|---|---|---|---|---|---|
| KARN | Substation-Adjacent | MI | Bay County | 345 kV | 600 MW | 2.2 yrs | 72.7 |
| TITTABAWASSEE | Substation-Adjacent | MI | Midland County | 345 kV | 600 MW | 2.2 yrs | 72.6 |
| BAUER | Substation-Adjacent | MI | Tuscola County | 345 kV | 600 MW | 2.2 yrs | 72.1 |
| UNKNOWN144603 | Substation-Adjacent | MI | Tuscola County | 345 kV | 600 MW | 2.2 yrs | 71.3 |
| THETFORD | Substation-Adjacent | MI | Genesee County | 345 kV | 600 MW | 2.2 yrs | 71.3 |
| TAP144602 | Substation-Adjacent | MI | Tuscola County | 345 kV | 600 MW | 2.2 yrs | 70.8 |
| HAMPTON | Substation-Adjacent | MI | Bay County | 345 kV | 600 MW | 2.2 yrs | 69.3 |
| UNKNOWN128499 | Substation-Adjacent | MI | Saginaw County | 345 kV | 600 MW | 2.2 yrs | 69.3 |
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
This page shows a public slice of the GridCensus dataset for KARN substation, Michigan. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.