Canyon County
Canyon County, Idaho: solar permitting grade D (score 54/100, High Risk). Score has been stable over the last 12 months. Primary-source ordinance and board-vote data on SitePath.
Public summary
| Grade | D · High Risk · Score 54/100 |
| Population | 235,000 |
| Solar ordinance | Ordinance status documented in detail |
| Active moratorium | None on record |
| Regulatory trajectory | Worsening (ordinance direction tightening) |
| 12-month score movement | Stable |
| Last verified | 2026-05-02 |
Developer outlook
Canyon County is a high-risk jurisdiction for utility-scale solar — documented ordinance hurdles are significant and approval history is mixed or unfavorable. Idaho's state policy environment adds headwinds — the absence of a strong RPS framework means county-level resistance faces less counterbalancing pressure.
Local intel
On file: named opposition groups
Cities, towns & townships
Local governments in Canyon County. An incorporated city, town or village can adopt its own zoning, separate from the county’s.
- Caldwell city
- Greenleaf city
- Melba city
- Middleton city
- Nampa city
- Notus city
- Parma city
- Star citypartly in this county
- Wilder city
Source: U.S. Census Bureau, incorporated places and county subdivisions with an active government.
Nearby counties
- Ada County · ≈26 miD58—
- Payette County · ≈26 miB39—
- Gem County · ≈34 miC45—
- Malheur County, OR · ≈54 miD52—
- Boise County · ≈56 miB40—
- Washington County · ≈57 miB41—
Compare these counties side-by-side →
Canyon County ranks #40 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.