Solar permitting — Contra Costa County, California
On file: public meetings, known opposition groups.
Dense East Bay suburban county with significant refinery and industrial land in western county that limits uti. Permitting: Conditional Use Permit; 500-ft max / 150-ft min setbacks. Track record: Vasco Winds co-loc…
Key driver: Dense East Bay suburban county with significant refinery and industrial land in western county that limits utility-scale solar siting; high CEQA compliance burden for any open-space conversion; very limited agricultural land suitable for large solar farms without major political friction; MCE CCA operating in some unincorporated areas; moderate political opposition to ground-mount in residential-adjacent zones
Permitting process
Local permitting pathway
Conditional Use Permit (CUP); CEQA required; agricultural land conversion triggers additional findings; West County industrial zone may offer alternative siting
Setbacks & buffers
500 ft from residential structures; 150 ft from property lines
Spacing requirements
None specified
Size restrictions
Projects >1 MW require CUP
Penalties & bonding
No penalties or adjustments. Standard CUP/SUP process.
State-level permits & approvals
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
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State policy & grid context
State RPS & clean energy policy
60% by 2030, 100% zero-carbon by 2045 | SB 100 (2018) + SB 1020 (2022) | Pub. Util. Code §399.11 et seq.
State incentive programs
Federal ITC eligible; California Self-Generation Incentive Program (SGIP) for storage; CA Renewables Portfolio Standard procurement; CPUC approved procurement programs
Grid & interconnection
CAISO — PG&E Balancing Authority
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Battery storage (BESS) P1 State-Default Permitting
No confirmed standalone county BESS ordinance — except: San Diego County (100 ft setback from residential/institutional/educational); Los Angeles County (10 ft setback from property lines and building
Local BESS ordinances & bylaws
Tracked storage projects
County-level battery-storage status, safety requirements, and projects — each linked to a primary source.
Community opposition P1
Organized opposition signals on record for this county — petitions, community groups, and oppositional coverage — each linked to its primary source.
- Community opposition to AVAIO Perseus Data Center data center (organized advocacy) — petition Data center
SitePath maintains the most complete community-opposition dataset available, refreshed continuously from primary sources.
Subscriber intel Subscribers
Researched for this county and available with a subscription:
- Project track record
- Developer intelligence
- Governing board
Energy-related meetings & dockets P1
Halo color matches the energy category tagged on each meeting.
- 2024-04-24 Planning CommissionBESS
Planning Commission discussed a battery storage system with solar panels and an exception request.
- 2021-11-10 Planning CommissionBESS
The Byron area will be home to a new commercial solar energy generation facility and battery storage system.
State PSC dockets P1
No tracked activity yet — coverage expands weekly.
Local news P3
No tracked activity yet — coverage expands weekly.
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