Jefferson County
Jefferson County, Idaho: solar permitting grade B (score 39/100, Moderate Risk). Score has been stable over the last 12 months. Primary-source ordinance and board-vote data on SitePath.
Public summary
| Grade | B · Moderate Risk · Score 39/100 |
| Population | 30,000 |
| Solar ordinance | Active solar ordinance on the books |
| Active moratorium | None on record |
| Regulatory trajectory | Stable (no material ordinance movement) |
| 12-month score movement | Stable |
| Last verified | 2026-05-02 |
Developer outlook
Jefferson County presents moderate permitting risk; conditions are generally workable for utility-scale solar with standard due-diligence preparation. Idaho's state policy environment adds headwinds — the absence of a strong RPS framework means county-level resistance faces less counterbalancing pressure.
Local intel
No energy-related meetings, PSC dockets, or named opposition tracked for this county yet. See indexed calendar →
Nearby counties where SitePath is tracking energy activity: Butte County (≈44 mi) · Bonneville County (≈45 mi) · Fremont County (≈51 mi)
Cities, towns & townships
Local governments in Jefferson County. An incorporated city, town or village can adopt its own zoning, separate from the county’s.
- Hamer city
- Lewisville city
- Menan city
- Mud Lake city
- Rigby city
- Ririe citypartly in this county
- Roberts city
Source: U.S. Census Bureau, incorporated places and county subdivisions with an active government.
Nearby counties
- Madison County · ≈33 miB39—
- Clark County · ≈34 miB41—
- Bingham County · ≈40 miB39—
- Butte County · ≈44 miB38—
- Bonneville County · ≈45 miB36—
- Fremont County · ≈51 miC51—
Compare these counties side-by-side →
Jefferson County ranks #9 of 44 ranked Idaho counties (1 = lowest permitting risk). Lowest-risk in Idaho: Blaine County (A · 18), Teton County (A · 19), Latah County (A · 25). See all Idaho county grades →
Want the full record?
Setback distances, board vote histories, source documents, and ordinance amendments are available in the full county profile. The map is free; a walkthrough shows you the underlying record.
About this score
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 →
Related reading
SitePath Intelligence is a research platform. Data verified as of 2026-05-02. Scores update on a quarterly review cycle.