St. Tammany Parish
St. Tammany Parish, Louisiana: solar permitting grade D (score 53/100, 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 53/100 |
| Population | 257,304 |
| Solar ordinance | Active solar ordinance on the books |
| Active moratorium | None on record |
| Regulatory trajectory | Worsening (ordinance direction tightening) |
| 12-month score movement | Stable |
| Last verified | 2026-05-02 |
Developer outlook
St. Tammany Parish is a high-risk jurisdiction for utility-scale solar — documented ordinance hurdles are significant and approval history is mixed or unfavorable. Louisiana'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: Orleans Parish (≈24 mi) · St. Charles Parish (≈42 mi) · Livingston Parish (≈46 mi)
Cities, towns & townships
Local governments in St. Tammany Parish. An incorporated city, town or village can adopt its own zoning, separate from the county’s.
- Covington city
- Mandeville city
- Slidell city
- Abita Springs town
- Madisonville town
- Pearl River town
- Folsom village
- Sun village
Source: U.S. Census Bureau, incorporated places and county subdivisions with an active government.
Nearby counties
- Orleans Parish · ≈24 miC47—
- Hancock County, MS · ≈28 miC45—
- Tangipahoa Parish · ≈31 miC47—
- Washington Parish · ≈31 miC42—
- Pearl River County, MS · ≈33 miC43—
- St. John the Baptist Parish · ≈39 miC50—
Compare these counties side-by-side →
St. Tammany Parish ranks #61 of 64 ranked Louisiana counties (1 = lowest permitting risk). Lowest-risk in Louisiana: Bienville Parish (B · 31), Catahoula Parish (B · 31), Jackson Parish (B · 31). See all Louisiana 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.