45.6

Risk Grade

Good

Central Valley flat terrain suitable for solar but Williamson Act constrains prime farmland; Delta waterways in western county add environmental review layer; Stockton urban growth competes for peri-urban agricultural land; growing solar development on non-prime and fallow land; PG&E interconnection with adequate capacity; economically motivated county seeks tax revenue

Assessment Snapshot

Population

790000

State Rank

#19

Compliance

45%

Trajectory

Moratorium Status

✓ No Active Moratorium

No specific moratorium information available.

Ordinance & Regulations

Setback Requirements

50 ft from property lines; additional setbacks from residences; case-by-case in Delta zone

Zoning Mechanism

CUP via San Joaquin County Planning Commission; Board of Supervisors final; CEQA review standard; Delta Protection Commission consultation for Delta parcels

Acreage Caps

None formal

Spacing Rules

Not specified; case-by-case

Size Restrictions

Williamson Act prime farmland effectively excluded; Delta zone adds environmental complexity

Board Sentiment & Political Risk

Sentiment Analysis

Mixed; growing urban population (Stockton) generally supportive of economic development; agricultural interests divided; Delta communities concerned about land use change

Basis for Assessment

San Joaquin County Planning Commission records; Delta Protection Commission records; CA Energy Commission project data; public hearing documents

Political Risk Factors

Mixed; growing progressive urban core in Stockton vs. rural conservative agricultural fringe; economically motivated for solar revenue

Board Members

Bob Elliott | R | 2026; Tom Patti | R | 2028; Chuck Winn | R | 2026; Steve Gutierrez | D | 2028; Kathy Miller | D | 2026

Grid, Utilities & State Context

Grid Operator

CAISO — PG&E Balancing Authority

Utilities

Pacific Gas & Electric (PG&E), None significant

State Permitting Process

County zoning + CEQA review required; CEC siting jurisdiction for projects >50 MW on state/federal land; Coastal Commission review for coastal zone; DRECP DFAs streamline desert county permitting

State Incentives

Federal ITC eligible; California Self-Generation Incentive Program (SGIP) for storage; CA Renewables Portfolio Standard procurement; CPUC approved procurement programs

Development Activity

Active/Completed Projects

Denied/Withdrawn Projects

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San Joaquin County, CA — Solar Development Risk Assessment