Petroleum County
Petroleum County, Montana: solar permitting grade B (score 31/100, 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 31/100 |
| Population | 487 |
| Solar ordinance | Ordinance status documented in detail |
| Active moratorium | None on record |
| Regulatory trajectory | Stable (no material ordinance movement) |
| 12-month score movement | Stable |
| Last verified | 2026-05-02 |
Developer outlook
Petroleum County presents moderate permitting risk; conditions are generally workable for utility-scale solar with standard due-diligence preparation.
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: Garfield County (≈59 mi) · Yellowstone County (≈83 mi) · Rosebud County (≈99 mi)
Cities, towns & townships
Local governments in Petroleum County. An incorporated city, town or village can adopt its own zoning, separate from the county’s.
- Winnett town
Source: U.S. Census Bureau, incorporated places and county subdivisions with an active government.
Nearby counties
- Musselshell County · ≈45 miB33—
- Fergus County · ≈47 miB33—
- Garfield County · ≈59 miA27—
- Golden Valley County · ≈69 miB35—
- Phillips County · ≈78 miB32—
- Treasure County · ≈78 miB31—
Compare these counties side-by-side →
Petroleum County ranks #7 of 56 ranked Montana counties (1 = lowest permitting risk). Lowest-risk in Montana: Jefferson County (A · 25), Broadwater County (A · 25), Garfield County (A · 27). See all Montana 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.