AI data center sites in Idaho
43 Idaho counties scored on transmission, the interconnection queue, power price and tax. Updated October 18, 2026.
Open a county for its queue requests, substations, plants and data centers.
| County | Score | Pipeline | Power price |
|---|---|---|---|
| 60 | 400 MW | 8.1¢/kWh | |
| 55 | 200 MW | 8.1¢/kWh | |
| 53 | - | 8.1¢/kWh | |
| 51 | - | 8.1¢/kWh | |
| 51 | - | 8.1¢/kWh | |
| 51 | - | 8.1¢/kWh | |
| 50 | - | 8.1¢/kWh | |
| 48 | - | 8.1¢/kWh | |
| 46 | - | 8.1¢/kWh | |
| 45 | - | 8.1¢/kWh | |
| 45 | - | 8.1¢/kWh | |
| 45 | - | 8.1¢/kWh | |
| 45 | - | 8.1¢/kWh | |
| 44 | 359 MW | 8.1¢/kWh | |
| 43 | - | 8.1¢/kWh | |
| 43 | - | 8.1¢/kWh | |
| 43 | - | 8.1¢/kWh | |
| 42 | - | 8.1¢/kWh | |
| 42 | - | 8.1¢/kWh | |
| 41 | - | 8.1¢/kWh | |
| 40 | - | 8.1¢/kWh | |
| 39 | - | 8.1¢/kWh | |
| 39 | - | 8.1¢/kWh | |
| 38 | - | 8.1¢/kWh | |
| 38 | - | 8.1¢/kWh | |
| 38 | - | 8.1¢/kWh | |
| 38 | - | 8.1¢/kWh | |
| 38 | - | 8.1¢/kWh | |
| 35 | - | 8.1¢/kWh | |
| 35 | - | 8.1¢/kWh | |
| 33 | - | 8.1¢/kWh | |
| 33 | - | 8.1¢/kWh | |
| 33 | - | 8.1¢/kWh | |
| 33 | - | 8.1¢/kWh | |
| 33 | - | 8.1¢/kWh | |
| 33 | - | 8.1¢/kWh | |
| 33 | - | 8.1¢/kWh | |
| 32 | - | 8.1¢/kWh | |
| 32 | - | 8.1¢/kWh | |
| 29 | - | 8.1¢/kWh | |
| 29 | - | 8.1¢/kWh | |
| 29 | - | 8.1¢/kWh | |
| 28 | - | 8.1¢/kWh |
Pipeline: active generation and storage requests in the ISO queue, or EIA planned plants where larger (outside the ISOs). Top kV: highest substation voltage. Power price: the state's industrial average. DCs: GPU colocation, mining sites and AI campuses.
What the data shows
The strongest Idaho counties for a large AI load are Ada County (60), Elmore County (55) and Power County (53) on the site score. Idaho sits in utility territory; EIA lists 959 MW of planned generators there, and it has 13 substations at 345 kV and up.
Industrial power averaged 8.1¢/kWh (EIA, July 2026 YTD), against 8.1¢/kWh a year earlier, the 17th lowest of the 50 states and DC. Idaho has a data center sales and use tax exemption in force. We track 0 AI campuses and 1 GPU-ready colocation facility here.
Top 6 counties in detail
1. Ada CountyUtility: Idaho Power
Site score 60 of 100
- Transmission
- 18/25
- Generation pipeline
- 7/20
- Industrial power price
- 18/20
- Existing and retiring plants
- 6/15
- Sales tax exemption
- 10/10
- Data center activity
- 1/10
- Market
- Utility: Idaho Power
- Queue (active)
- 0 MW
- Agreement signed
- 0 MW
- Planned plants (EIA)
- 400 MW
- Top substation
- 230 kV
- Substations 230 kV+
- 5
- Operating plants
- 828 MW
- Retired or retiring
- 0 MW
- Industrial power, ID
- 8.1¢/kWh
- Sales tax exemption
- Yes
Substations, 115 kV and up
- BOISE BENCH · 18 lines230 kV
- MORA · 6 lines230 kV
- LOCUSST · 5 lines230 kV
- BOISE BENCH · 4 lines230 kV
- Unnamed · 3 lines230 kV
- CLOVERDALE · 5 lines138 kV
- BOISE · 4 lines138 kV
- Unnamed · 4 lines138 kV
Planned, retiring and retired plants
- Blacks Creek Solar · Solar, planned 2027400 MW
Data centers, AI campuses and mining sites
- Ark Data Centers Boise · GPU colocation, Boise, 1 MW
Colocation from our GPU colocation list; mining sites from the miner AI conversion tracker.
2. Elmore CountyUtility: Idaho Power
Site score 55 of 100
- Transmission
- 18/25
- Generation pipeline
- 3/20
- Industrial power price
- 18/20
- Existing and retiring plants
- 6/15
- Sales tax exemption
- 10/10
- Data center activity
- 0/10
- Market
- Utility: Idaho Power
- Queue (active)
- 0 MW
- Agreement signed
- 0 MW
- Planned plants (EIA)
- 200 MW
- Top substation
- 230 kV
- Substations 230 kV+
- 5
- Operating plants
- 928 MW
- Retired or retiring
- 0 MW
- Industrial power, ID
- 8.1¢/kWh
- Sales tax exemption
- Yes
Substations, 115 kV and up
- Unnamed · 5 lines230 kV
- Unnamed · 5 lines230 kV
- Unnamed · 4 lines230 kV
- Unnamed · 4 lines230 kV
- Unnamed · 3 lines230 kV
- MOUNTAIN HOME · 5 lines138 kV
- Unnamed · 5 lines138 kV
- Unnamed · 3 lines138 kV
Planned, retiring and retired plants
- Crimson Orchard Solar and BESS · Storage, planned 2027200 MW
3. Power CountyUtility: Idaho Power
Site score 53 of 100
- Transmission
- 22/25
- Generation pipeline
- 0/20
- Industrial power price
- 18/20
- Existing and retiring plants
- 3/15
- Sales tax exemption
- 10/10
- Data center activity
- 0/10
- Market
- Utility: Idaho Power
- Queue (active)
- 0 MW
- Agreement signed
- 0 MW
- Planned plants (EIA)
- 0 MW
- Top substation
- 345 kV
- Substations 230 kV+
- 6
- Operating plants
- 257 MW
- Retired or retiring
- 0 MW
- Industrial power, ID
- 8.1¢/kWh
- Sales tax exemption
- Yes
Substations, 115 kV and up
- KINPORT · 8 lines345 kV
- BORAH · 7 lines345 kV
- BRADY · 12 lines230 kV
- SUNBEAM · 4 lines230 kV
- POWER COUNTY WIND PARK SOUTH · 1 lines230 kV
- POWER COUNTY WIND PARK NORTH · 1 lines230 kV
- Unnamed · 3 lines161 kV
- DON · 7 lines138 kV
4. Clearwater CountyUtility: Bonneville Power Administration
Site score 51 of 100
- Transmission
- 19/25
- Generation pipeline
- 0/20
- Industrial power price
- 18/20
- Existing and retiring plants
- 4/15
- Sales tax exemption
- 10/10
- Data center activity
- 0/10
- Market
- Utility: Bonneville Power Administration
- Queue (active)
- 0 MW
- Agreement signed
- 0 MW
- Planned plants (EIA)
- 0 MW
- Top substation
- 500 kV
- Substations 230 kV+
- 2
- Operating plants
- 466 MW
- Retired or retiring
- 0 MW
- Industrial power, ID
- 8.1¢/kWh
- Sales tax exemption
- Yes
Substations, 115 kV and up
- DWORSHAK · 3 lines500 kV
- DWORSHAK · 2 lines500 kV
- Unnamed · 3 lines138 kV
- OROFINO · 3 lines138 kV
5. Jerome CountyUtility: Idaho Power
Site score 51 of 100
- Transmission
- 21/25
- Generation pipeline
- 0/20
- Industrial power price
- 18/20
- Existing and retiring plants
- 2/15
- Sales tax exemption
- 10/10
- Data center activity
- 0/10
- Market
- Utility: Idaho Power
- Queue (active)
- 0 MW
- Agreement signed
- 0 MW
- Planned plants (EIA)
- 0 MW
- Top substation
- 500 kV
- Substations 230 kV+
- 3
- Operating plants
- 53 MW
- Retired or retiring
- 0 MW
- Industrial power, ID
- 8.1¢/kWh
- Sales tax exemption
- Yes
Substations, 115 kV and up
- MIDPOINT (500KV) · 3 lines500 kV
- MIDPOINT · 7 lines345 kV
- HUNT · 4 lines230 kV
- Unnamed · 3 lines161 kV
- Unnamed · 3 lines138 kV
- Unnamed · 3 lines138 kV
- Unnamed · 3 lines138 kV
- Unnamed · 3 lines138 kV
6. Nez Perce CountyUtility: Avista
Site score 51 of 100
- Transmission
- 21/25
- Generation pipeline
- 0/20
- Industrial power price
- 18/20
- Existing and retiring plants
- 2/15
- Sales tax exemption
- 10/10
- Data center activity
- 0/10
- Market
- Utility: Avista
- Queue (active)
- 0 MW
- Agreement signed
- 0 MW
- Planned plants (EIA)
- 0 MW
- Top substation
- 500 kV
- Substations 230 kV+
- 3
- Operating plants
- 114 MW
- Retired or retiring
- 0 MW
- Industrial power, ID
- 8.1¢/kWh
- Sales tax exemption
- Yes
Substations, 115 kV and up
- HATWAI · 4 lines500 kV
- NORTH LEWISTON · 4 lines230 kV
- LOLO · 3 lines230 kV
- NORTH LEWISTON · 1 lines115 kV
Data center tax exemption in Idaho
Idaho information technology equipment exemption (Idaho Code 63-3622VV)
Exempts eligible server equipment (servers, storage, chillers, generators, cabling, enabling software) and new data center facilities for a qualifying business entity that invests at least $250 million in the aggregate within five years after construction begins and creates at least 30 new full-time jobs at or above the county average wage within two years of operations; electricity is not covered; the exemption is provisional until thresholds are met, then final, with no enacted sunset.
Recent change: Bills to limit the exemption failed in 2025 (HB 315) and 2026 (HB 609, which would have added a July 1, 2036 sunset and electricity and water conditions); current law is unchanged.
Source: Idaho Legislature, accessed 2026-10-17. General information, not tax advice; ask your tax advisor.
How the score works
Six parts out of 100: transmission (25), generation in the queue (20), the state's industrial power price (20), existing and retiring plants (15), sales tax exemption (10) and data center activity (10). The site finder's methodology prints each formula and every source with its date. Markets: Utility territory (no ISO/RTO).
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Discuss a transaction
Funding a data center or the GPUs going into one in Idaho? Tell us about the site and the capital you need, and we will come back with the lenders and the structure that fit. Operators raising debt for a cluster can start at gpulenders.com.
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