Union County
Union County, Ohio: solar permitting grade D (score 60/100, 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 60/100 |
| Population | 63,114 |
| 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
Union County is a high-risk jurisdiction for utility-scale solar — documented ordinance hurdles are significant and approval history is mixed or unfavorable. Market saturation is elevated in this area — expect competition for prime land parcels and interconnection capacity.
Local intel
On file: named opposition groups
Cities, towns & townships
Local governments in Union County. An incorporated city, town or village can adopt its own zoning, separate from the county’s.
- Dublin citypartly in this county
- Marysville city
- Magnetic Springs village
- Milford Center village
- Plain City villagepartly in this county
- Richwood village
- Unionville Center village
- Allen township
- Claibourne township
- Darby township
- Dover township
- Jackson township
- Jerome township
- Leesburg township
- Liberty township
- Millcreek township
- Paris township
- Taylor township
- Union township
- Washington township
- York township
Source: U.S. Census Bureau, incorporated places and county subdivisions with an active government.
Nearby counties
- Delaware County · ≈19 miC50—
- Logan County · ≈22 miF68—
- Marion County · ≈23 miD55—
- Champaign County · ≈24 miC45—
- Madison County · ≈28 miF83—
- Franklin County · ≈29 miD56—
Compare these counties side-by-side →
Union County ranks #66 of 88 ranked Ohio counties (1 = lowest permitting risk). Lowest-risk in Ohio: Tuscarawas County (B · 36), Vinton County (B · 36), Hamilton County (B · 37). See all Ohio 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.