Idaho
Grade distribution
Overview
Idaho has 44 counties tracked in the SitePath solar permitting index. 4 (9%) are graded A or B, meaning they present low to moderate permitting risk for utility-scale solar projects. 31 counties sit in the C range — moderate risk with meaningful process uncertainty. 9 counties are rated D or F (20%) — high to very high risk, often due to active moratoria, restrictive setback ordinances, or strong local opposition.
The most favorable jurisdictions in Idaho include Blaine County (grade A), Teton County (grade A), Latah County (grade A). The most challenging include Kootenai County (grade D), Elmore County (grade D), Canyon County (grade D).
The state's policy environment — No binding RPS — presents headwinds for renewable development, making county-level permitting conditions especially important to evaluate project by project. No Idaho counties currently have an active utility-scale solar moratorium.
All counties — sorted by risk score (best first)
| County | Grade | Score | Trajectory | Moratorium |
|---|---|---|---|---|
| Blaine County | A | 23 | ↓ | |
| Teton County | A | 24 | ↓ | |
| Latah County | A | 29 | ↑ | |
| Minidoka County | B | 36 | — | |
| Jerome County | C | 43 | ↓ | |
| Bingham County | C | 44 | ↓ | |
| Bonneville County | C | 44 | ↓ | |
| Gooding County | C | 44 | ↓ | |
| Jefferson County | C | 44 | ↓ | |
| Lincoln County | C | 44 | ↓ | |
| Nez Perce County | C | 44 | — | |
| Franklin County | C | 44 | ↓ | |
| Madison County | C | 44 | — | |
| Payette County | C | 44 | — | |
| Valley County | C | 44 | ↓ | |
| Washington County | C | 44 | ↓ | |
| Bear Lake County | C | 45 | ↓ | |
| Boise County | C | 45 | ↓ | |
| Butte County | C | 45 | ↓ | |
| Caribou County | C | 45 | ↓ | |
| Oneida County | C | 45 | ↓ | |
| Camas County | C | 45 | ↓ | |
| Custer County | C | 45 | ↓ | |
| Lemhi County | C | 45 | ↓ | |
| Lewis County | C | 45 | — | |
| Bannock County | C | 45 | ↓ | |
| Clark County | C | 46 | — | |
| Shoshone County | C | 47 | ↑ | |
| Cassia County | C | 48 | ↓ | |
| Twin Falls County | C | 49 | ↓ | |
| Power County | C | 50 | ↓ | |
| Gem County | C | 50 | ↓ | |
| Bonner County | C | 50 | ↓ | |
| Benewah County | C | 51 | — | |
| Clearwater County | C | 51 | — | |
| Ada County | D | 54 | ↓ | |
| Idaho County | D | 55 | — | |
| Owyhee County | D | 55 | ↓ | |
| Adams County | D | 56 | ↓ | |
| Fremont County | D | 56 | ↓ | |
| Boundary County | D | 57 | ↓ | |
| Kootenai County | D | 57 | ↓ | |
| Elmore County | D | 59 | ↓ | |
| Canyon County | D | 65 | ↓ |
See the full interactive map
County grades, scores, and ordinance data are also available on the interactive county map with filtering by grade, state, and risk factor.
Open the county map →About SitePath scoring
Every U.S. county is scored 0–100 on solar permitting risk (lower is friendlier to development). The grade is a weighted composite of compliance stringency, market saturation, regulatory trajectory, and data uncertainty. Every figure traces back to a primary government document. Read the full methodology →
SitePath Intelligence is a research platform. Data verified as of 2026-05-02. Scores update on a quarterly review cycle.