SitePathCounty map › California
Solar Permitting Intelligence

California

58 Counties 46 Low/Moderate Risk 3 High/Very High Risk 0 Active Moratoria
State policy: RPS 60% by 2030

Grade distribution

A 4B 42C 9D 3

Overview

California has 58 tracked counties. 46 are graded A or B — favorable to moderate permitting conditions. The state's RPS 60% by 2030 target provides a supportive macro backdrop. No California counties currently have an active utility-scale solar moratorium.

All counties — sorted by risk score (best first)

County Grade Score Trajectory Moratorium
Imperial CountyA13
San Bernardino CountyA23
Glenn CountyA23
Colusa CountyA24
Sutter CountyB32
Solano CountyB33
Yolo CountyB33
Yuba CountyB33
San Benito CountyB33
Tehama CountyB33
Kern CountyB34
Shasta CountyB34
Plumas CountyB34
Riverside CountyB34
Nevada CountyB35
San Joaquin CountyB35
Tulare CountyB35
Fresno CountyB35
Tuolumne CountyB35
Siskiyou CountyB35
Merced CountyB36
Kings CountyB36
Stanislaus CountyB36
Alpine CountyB37
Inyo CountyB37
Lassen CountyB37
Madera CountyB37
Sacramento CountyB37
Mariposa CountyB37
Modoc CountyB37
Trinity CountyB37
Sonoma CountyB38
Del Norte CountyB38
Calaveras CountyB39
Placer CountyB39
San Francisco CountyB39
San Luis Obispo CountyB39
Santa Clara CountyB39
Amador CountyB40
Mono CountyB40
Lake CountyB40
San Mateo CountyB40
Santa Cruz CountyB40
Santa Barbara CountyB40
Orange CountyB41
Sierra CountyB41
Mendocino CountyC42
Humboldt CountyC43
San Diego CountyC44
Ventura CountyC45
Los Angeles CountyC48
Alameda CountyC48
El Dorado CountyC48
Contra Costa CountyC49
Butte CountyC50
Marin CountyD52
Monterey CountyD52
Napa CountyD61

See the full interactive map

County grades, scores, and ordinance data are also available on the interactive county map with filtering by grade, state, and risk factor.

Open the county map →

About SitePath scoring

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 2026-05-28. Scores update on a quarterly review cycle.