Napa County
Napa County, California: solar permitting grade D (score 59/100, High Risk). Score has improved by 27 points over the last 12 months. Primary-source ordinance and board-vote data on SitePath.
Public summary
| Grade | D · High Risk · Score 59/100 |
| Population | 136,484 |
| Solar ordinance | No specific solar ordinance recorded |
| Active moratorium | None on record |
| Permitting trajectory | Improving (regulatory environment becoming more solar-friendly) |
| Last verified | 2026-05-27 |
Developer outlook
Napa County is a high-risk jurisdiction for utility-scale solar — documented ordinance hurdles are significant and approval history is mixed or unfavorable. The local regulatory environment has been trending more permissive over the past 12 months. California's state RPS policy provides a supportive macro backdrop for renewables, even where individual county ordinances are restrictive.
Local intel
Public-meeting, docket, and opposition tracking is being rolled out state by state. This county is not yet indexed. Preview placeholder →
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Setback distances, board vote histories, source documents, and ordinance amendments are available in the full county profile. The map is free; paid tiers unlock the underlying record.
Open the full Napa County profile →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 →
SitePath Intelligence is a research platform. Data verified as of 2026-05-27. Scores update on a quarterly review cycle.