NEW BUFFALO
SubstationMichigan · INDIANA MICHIGAN POWER CO
At a glance
NEW BUFFALO is an electric transmission substation in Michigan, on INDIANA MICHIGAN POWER CO's transmission network. It is classified as distribution (69–115 kv) and connects 2 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 |
|---|---|---|---|---|
| #127228 | 69 kV | INDIANA MICHIGAN POWER CO | IN SERVICE | 7.2 mi |
| #163138 | 69 kV | INDIANA MICHIGAN POWER CO | IN SERVICE | 6.8 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of NEW BUFFALO, 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 |
|---|---|---|---|---|---|---|---|
| OLIVE | Substation-Adjacent | IN | St. Joseph County | 345 kV | 600 MW | 3.0 yrs | 70.9 |
| COOK | Substation-Adjacent | MI | Berrien County | 765 kV | 1,000 MW | 2.2 yrs | 67.7 |
| DUMONT | Substation-Adjacent | IN | St. Joseph County | 765 kV | 1,000 MW | 3.0 yrs | 67.7 |
| Bailly | Brownfield | IN | Porter County | 138 kV | 641 MW | 3.0 yrs | 65.9 |
| UNKNOWN122727 | Substation-Adjacent | IN | LaPorte County | 345 kV | 600 MW | 3.0 yrs | 65.3 |
| UNKNOWN122723 | Substation-Adjacent | IN | Berrien County | 345 kV | 600 MW | 3.0 yrs | 65.2 |
| TOWER ROAD | Substation-Adjacent | IN | Porter County | 345 kV | 600 MW | 3.0 yrs | 63.8 |
| DUNE ACRES | Substation-Adjacent | IN | Porter County | 345 kV | 600 MW | 3.0 yrs | 63.8 |
How does NEW BUFFALO 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. 89 named substations in the state are in NEW BUFFALO's 69–114 kV band (32% of named stations). 150 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 NEW BUFFALO?
The 2 connected lines listed above are owned by INDIANA MICHIGAN POWER CO. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 14 miles.
How do candidate sites near NEW BUFFALO score?
The 8 highest-scoring candidate sites within about 25 miles range from 64 to 71 on the 0–100 DC Readiness scale. They fall in St. Joseph County, Berrien County, Porter County, LaPorte 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 NEW BUFFALO substation?
NEW BUFFALO has a maximum voltage of 69 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so NEW BUFFALO is below the national midpoint.
How many transmission lines connect to NEW BUFFALO substation?
2 transmission lines terminate at or pass through NEW BUFFALO in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 14 miles.
Who owns NEW BUFFALO substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at NEW BUFFALO belong to INDIANA MICHIGAN POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is NEW BUFFALO substation located?
NEW BUFFALO is in Michigan at 41.7902, -86.7383. The datacenter candidate sites closest to it are in St. Joseph County, Berrien County, Porter County.
Are there datacenter candidate sites near NEW BUFFALO substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of NEW BUFFALO. The highest-scoring is OLIVE at 71/100. Across Michigan, the average DC Readiness score is 55.2.
Other 69 kV substations in Michigan
- PINE RIVER· 6 lines
- 9 MILE SW STA· 5 lines
- BRULE· 5 lines
- DELTA (UPPCO)· 5 lines
- OLD MEAD ROAD· 5 lines
- TWIN FALLS SW STA· 4 lines
- VICTORIA HY· 4 lines
- 2ND ST· 3 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, “NEW BUFFALO substation, Michigan”, https://gridcensus.com/substations/michigan/new-buffalo-fd16d679 (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 NEW BUFFALO 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.