Datacenter Sites in Blaine County, Idaho
Blaine County has 26 scored datacenter candidate sites averaging 48.3/100 DC Readiness, with a catalogued aggregate of 350 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.
At a glance
Blaine County, Idaho has 26 scored datacenter candidate sites averaging 48.3/100 DC Readiness, roughly in line with the Idaho average of 51.7. It ranks 27th of 43 Idaho counties by number of sites and 39th by average score. The top-scoring site is WOOD RIVER at 54.6/100.
Site-selection context for Blaine County
Incentive detail: Personal property tax exemption on computer equipment.
How does Blaine County compare with other counties in Idaho?
By number of scored sites, Blaine County ranks 27th of the 43 Idaho counties with a county page, holding 1.2% of the state's 2,171 sites. Its average DC Readiness of 48.3/100 ranks 39th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1422nd-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 0 score 55 or higher.
What types of datacenter sites are in Blaine County?
Federal Excess sites are the most common (14, 54% of the county's inventory), followed by former mine (5) and substation-adjacent (4). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in Blaine County?
Industrial electricity averages 7.85¢/kWh and commercial 8.95¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (15). WRI water stress is medium-high. 6 fiber providers report service in the county. The climate runs 500 cooling degree days a year with a mean temperature of 44°F. Land is valued around $3,556 an acre.
By site type
Top datacenter sites in Blaine County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| WOOD RIVER | Substation-Adjacent | 138 kV | 100 MW | 5.0 yrs | 54.6 |
| HAILEY | Substation-Adjacent | 138 kV | 100 MW | 5.0 yrs | 54.4 |
| UNKNOWN206542 | Substation-Adjacent | 69 kV | 50 MW | 5.0 yrs | 50.8 |
| SILVER | Substation-Adjacent | 138 kV | 100 MW | 5.0 yrs | 50.4 |
| MINIDOKA PROJECT | Federal Excess | — | — | 5.0 yrs | 48.8 |
| MINIDOKA PROJECT | Federal Excess | — | — | 5.0 yrs | 48.8 |
| MINIDOKA PROJECT | Federal Excess | — | — | 5.0 yrs | 48.6 |
| Silver Valley | Industrial | — | — | 5.0 yrs | 48.4 |
| MINIDOKA PROJECT | Federal Excess | — | — | 5.0 yrs | 48.2 |
| Lion's Park | Industrial | — | — | 5.0 yrs | 48.2 |
| MINIDOKA PROJECT | Federal Excess | — | — | 5.0 yrs | 48.2 |
| MINIDOKA PROJECT | Federal Excess | — | — | 5.0 yrs | 48.0 |
| Mine Site | Former Mine | — | — | 5.0 yrs | 47.8 |
| Howard Preserve | Industrial | — | — | 5.0 yrs | 47.7 |
| LITTLE WOOD RIVER PROJECT | Federal Excess | — | — | 5.0 yrs | 47.5 |
| Mine Site | Former Mine | — | — | 5.0 yrs | 47.3 |
| Mine Site | Former Mine | — | — | 5.0 yrs | 47.3 |
| LITTLE WOOD RIVER PROJECT | Federal Excess | — | — | 5.0 yrs | 47.3 |
| LITTLE WOOD RIVER PROJECT | Federal Excess | — | — | 5.0 yrs | 47.3 |
| LITTLE WOOD RIVER PROJECT | Federal Excess | — | — | 5.0 yrs | 47.1 |
| LITTLE WOOD RIVER PROJECT | Federal Excess | — | — | 5.0 yrs | 46.9 |
| Mine Site | Former Mine | — | — | 5.0 yrs | 46.8 |
| LITTLE WOOD RIVER PROJECT | Federal Excess | — | — | 5.0 yrs | 46.7 |
| LITTLE WOOD RIVER PROJECT | Federal Excess | — | — | 5.0 yrs | 46.6 |
| LITTLE WOOD RIVER PROJECT | Federal Excess | — | — | 5.0 yrs | 46.5 |
Every scored site in Blaine County
All 26 sites, best first.
- WOOD RIVER · 54.6
- HAILEY · 54.4
- Substation-Adjacent site · aed0be3f · 50.8
- SILVER · 50.4
- MINIDOKA PROJECT · 1b28ac6f · 48.8
- MINIDOKA PROJECT · d1b273b3 · 48.8
- MINIDOKA PROJECT · 3ffbe9f5 · 48.6
- Silver Valley · 48.4
- MINIDOKA PROJECT · 648a4055 · 48.2
- Lion's Park · 48.2
- MINIDOKA PROJECT · 65613df9 · 48.2
- MINIDOKA PROJECT · 1a5c2ef8 · 48.0
- Mine Site · 880c4522 · 47.8
- Howard Preserve · 47.7
- LITTLE WOOD RIVER PROJECT · 5b7a370e · 47.5
- Mine Site · 0673af20 · 47.3
- Mine Site · 50907882 · 47.3
- LITTLE WOOD RIVER PROJECT · 5d7bdef7 · 47.3
- LITTLE WOOD RIVER PROJECT · 10544285 · 47.3
- LITTLE WOOD RIVER PROJECT · b9c54584 · 47.1
- LITTLE WOOD RIVER PROJECT · 5a8d2f0a · 46.9
- Mine Site · 55cf96b5 · 46.8
- LITTLE WOOD RIVER PROJECT · 4791592d · 46.7
- LITTLE WOOD RIVER PROJECT · 018685b2 · 46.6
- LITTLE WOOD RIVER PROJECT · 09fe1424 · 46.5
- Mine Site · c12fde1f · 46.4
Blaine County datacenter FAQ
How many datacenter sites are in Blaine County?
26 scored datacenter candidate sites, averaging 48.3/100 DC Readiness. That is the 27th-most of 43 Idaho counties with five or more sites.
What is the highest-scoring datacenter site in Blaine County?
WOOD RIVER scores 54.6/100 DC Readiness, the highest of the 26 scored sites in Blaine County (a substation-adjacent site).
Does Blaine County offer datacenter tax incentives?
Personal property tax exemption on computer equipment.
What is the natural-hazard risk in Blaine County?
FEMA's National Risk Index rates Blaine County as "Relatively Low" (score 15).
What are industrial electricity rates in Blaine County?
Average industrial electricity is 7.85¢/kWh and commercial is 8.95¢/kWh in Blaine County.
More in Idaho
- All datacenter sites in Idaho· 2,171 sites
- Operating datacenters in Idaho
- Electric substations in Idaho
- Bingham County· 210 sites · avg 50.8
- Valley County· 205 sites · avg 47.9
- Bonneville County· 158 sites · avg 51.1
- Power County· 148 sites · avg 50.7
- Canyon County· 146 sites · avg 54.0
- Ada County· 129 sites · avg 56.5
- Federal Excess sites in Idaho
- Former Mine sites in Idaho
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 13, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in Blaine County, Idaho”, https://gridcensus.com/datacenter-sites/idaho/blaine-county (data as of November 13, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Blaine County, 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.