BLANCHARD
SubstationIdaho · KOOTENAI ELECTRIC COOP INC
At a glance
BLANCHARD is an electric transmission substation in Idaho, on KOOTENAI ELECTRIC COOP INC's transmission network. It is classified as distribution (69–115 kv) and connects 1 transmission line. 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 |
|---|---|---|---|---|
| #203589 | 69 kV | KOOTENAI ELECTRIC COOP INC | — | 0.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of BLANCHARD, 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 |
|---|---|---|---|---|---|---|---|
| BELL | Substation-Adjacent | WA | Spokane County | 500 kV | 1,000 MW | 3.5 yrs | 68.0 |
| LANCASTER | Substation-Adjacent | ID | Kootenai County | 230 kV | 300 MW | 5.0 yrs | 64.9 |
| RATHDRUM | Substation-Adjacent | ID | Kootenai County | 230 kV | 300 MW | 5.0 yrs | 64.8 |
| UNKNOWN201468 | Substation-Adjacent | WA | Spokane County | 230 kV | 300 MW | 3.5 yrs | 64.7 |
| OZ Kootenai | Greenfield | ID | Kootenai | — | — | 5.0 yrs | 62.5 |
| Greenfield (BELL - TAFT) | Greenfield | AZ | Spokane County | 500 kV | 1,000 MW | 3.5 yrs | 61.4 |
| UNKNOWN206765 | Substation-Adjacent | ID | Kootenai County | 138 kV | 100 MW | 5.0 yrs | 61.1 |
| TAP205408 | Substation-Adjacent | WA | Kootenai County | 138 kV | 100 MW | 3.5 yrs | 61.0 |
How does BLANCHARD compare with other substations in Idaho?
Idaho has 897 substation records in HIFLD, of which 274 carry a station name; the rest are unnamed tap points, risers and line ends. 54 named substations in the state are in BLANCHARD's 69–114 kV band (20% of named stations). 193 sit in a higher band. 11 named substations in Idaho operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 138 kV.
Who owns the transmission lines at BLANCHARD?
The 1 connected line listed above is owned by KOOTENAI ELECTRIC COOP INC. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 0 miles.
How do candidate sites near BLANCHARD score?
The 8 highest-scoring candidate sites within about 25 miles range from 61 to 68 on the 0–100 DC Readiness scale. They fall in Spokane County, Kootenai County, Kootenai. The Idaho average across 2,171 scored sites is 51.7. 646 of those Idaho sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is BLANCHARD substation?
BLANCHARD 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 BLANCHARD is below the national midpoint.
How many transmission lines connect to BLANCHARD substation?
1 transmission line terminate at or pass through BLANCHARD in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 0 miles.
Who owns BLANCHARD substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at BLANCHARD belong to KOOTENAI ELECTRIC COOP INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is BLANCHARD substation located?
BLANCHARD is in Idaho at 48.0940, -117.0230. The datacenter candidate sites closest to it are in Spokane County, Kootenai County, Kootenai.
Are there datacenter candidate sites near BLANCHARD substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of BLANCHARD. The highest-scoring is BELL at 68/100. Across Idaho, the average DC Readiness score is 51.7.
Other 69 kV substations in Idaho
- POCATELLO· 5 lines
- IDAHO FALLS· 4 lines
- THOUSAND SPRINGS· 4 lines
- COEUR D'ALENE 15TH STREET· 3 lines
- ST. ANTHONY· 3 lines
- THE RACK· 3 lines
- BLACK CANYON· 2 lines
- BUHL· 2 lines
- All named substations in Idaho· 274 stations
- Datacenter candidate sites in Idaho· 2,171 sites
- Brownfield and retired plant sites in Idaho
- 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, “BLANCHARD substation, Idaho”, https://gridcensus.com/substations/idaho/blanchard-d4f432b8 (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 BLANCHARD substation, Idaho 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.