Idaho
Grade distribution
Overview
Idaho has 44 tracked counties. 40 are graded A or B — favorable to moderate permitting conditions. The state's policy environment (RPS on books, no enforceable target) adds headwinds for renewables projects. No Idaho counties currently have an active utility-scale solar moratorium.
All counties — sorted by risk score (best first)
| County | Grade | Score | Trajectory | Moratorium |
|---|---|---|---|---|
| Teton County | A | 16 | ↓ | |
| Blaine County | A | 16 | — | |
| Latah County | A | 22 | ↑ | |
| Ada County | A | 23 | ↑ | |
| Power County | A | 32 | ↑ | |
| Minidoka County | A | 34 | ↑ | |
| Twin Falls County | A | 34 | — | |
| Franklin County | B | 36 | — | |
| Valley County | B | 36 | — | |
| Owyhee County | B | 37 | ↓ | |
| Camas County | B | 37 | — | |
| Custer County | B | 37 | — | |
| Lemhi County | B | 37 | — | |
| Bear Lake County | B | 37 | — | |
| Butte County | B | 37 | — | |
| Caribou County | B | 37 | — | |
| Oneida County | B | 37 | — | |
| Fremont County | B | 38 | — | |
| Washington County | B | 38 | — | |
| Bannock County | B | 38 | — | |
| Elmore County | B | 38 | ↑ | |
| Jefferson County | B | 38 | — | |
| Lincoln County | B | 38 | ↓ | |
| Nez Perce County | B | 38 | ↑ | |
| Clark County | B | 38 | ↑ | |
| Lewis County | B | 38 | ↑ | |
| Boise County | B | 39 | — | |
| Madison County | B | 39 | ↑ | |
| Payette County | B | 39 | ↑ | |
| Bingham County | B | 39 | — | |
| Bonneville County | B | 39 | — | |
| Gooding County | B | 39 | ↓ | |
| Cassia County | B | 39 | — | |
| Jerome County | B | 39 | — | |
| Adams County | B | 40 | ↑ | |
| Benewah County | B | 44 | ↑ | |
| Clearwater County | B | 44 | ↑ | |
| Bonner County | B | 45 | — | |
| Gem County | B | 45 | — | |
| Kootenai County | B | 46 | — | |
| Canyon County | C | 48 | — | |
| Idaho County | C | 49 | — | |
| Shoshone County | C | 49 | — | |
| Boundary County | C | 51 | — |
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 2026-05-27. Scores update on a quarterly review cycle.