California Solar Incentives: Complete Guide for 2025
Comprehensive guide to all available solar incentives in California for 2025, including federal tax credits, state programs, utility rebates, and local incentives.
California leads the nation in solar adoption, and the state's comprehensive incentive programs play a major role in making solar power accessible and affordable. This complete guide covers all available solar incentives in California for 2025, from federal tax credits to local utility programs.
California solar incentives overview
Total potential savings: 30-50% of system cost Federal tax credit: 30% of total system cost State programs: Multiple rebate and exemption programs Utility programs: PG&E, SCE, and SDG&E specific incentives Local programs: City and county level incentives Timeline: Most programs available through 2032
Federal solar incentives
Investment Tax Credit (ITC)
Amount: 30% of total system cost Eligibility: All residential solar installations Timeline: Available through 2032 How to claim: File with annual tax return
Example calculation:
- System cost: $20,000
- Federal tax credit: $6,000 (30%)
- Net cost: $14,000
Important notes:
- Credit can be carried forward if tax liability is insufficient
- Applies to solar panels, inverters, mounting hardware, and installation
- Available for both purchased and financed systems
- No income limits or phase-out periods
Residential Clean Energy Credit
Amount: 30% of qualified expenses Eligibility: Residential properties Timeline: 2022-2032 Coverage: Solar panels, battery storage, geothermal heat pumps
California state-level incentives
Self-Generation Incentive Program (SGIP)
Purpose: Encourage energy storage adoption Eligibility: Residential and commercial customers Timeline: Ongoing (funds may be limited)
Residential battery storage rebates:
- Small systems (1-3 kWh): $200/kWh
- Medium systems (4-10 kWh): $400/kWh
- Large systems (10+ kWh): $1,000/kWh
Example: 10 kWh battery system = $10,000 rebate
Requirements:
- Must be connected to the grid
- Must participate in demand response programs
- Installation by qualified contractor
Property Tax Exemption
Benefit: Solar installations don't increase property tax assessments Eligibility: All residential solar installations Timeline: Permanent Coverage: Solar panels, inverters, mounting hardware
How it works:
- Solar system value excluded from property tax calculations
- No annual renewal required
- Applies to all California counties
- Automatic for most installations
Sales Tax Exemption
Benefit: No sales tax on solar equipment Eligibility: Residential solar installations Timeline: Permanent Coverage: Solar panels, inverters, mounting hardware
Savings example:
- System cost: $20,000
- Sales tax rate: 7.25% (varies by county)
- Tax savings: $1,450
Utility-specific incentives
Pacific Gas & Electric (PG&E)
Service area: Northern and Central California Programs available:
Solar on Multifamily Affordable Housing (SOMAH):
- Eligibility: Multifamily affordable housing properties
- Benefit: Free solar installation
- Timeline: Ongoing
- Coverage: 100% of system cost
Energy Storage Program:
- Eligibility: Residential customers
- Benefit: $400/kWh for battery storage
- Timeline: Ongoing
- Requirements: Must participate in demand response
Solar Choice Program:
- Eligibility: Customers who can't install rooftop solar
- Benefit: Purchase solar energy at reduced rates
- Timeline: Ongoing
- Coverage: 50-100% of energy needs
Southern California Edison (SCE)
Service area: Central and Southern California Programs available:
Residential Solar Program:
- Eligibility: Residential customers
- Benefit: $0.25/Watt rebate (up to $1,000)
- Timeline: Ongoing
- Requirements: Must use SCE-approved installer
Energy Storage Program:
- Eligibility: Residential customers
- Benefit: $500/kWh for battery storage
- Timeline: Ongoing
- Requirements: Must participate in demand response
Time-of-Use Rate Plans:
- Eligibility: All customers
- Benefit: Lower rates during solar production hours
- Timeline: Ongoing
- Coverage: Reduced electricity costs
San Diego Gas & Electric (SDG&E)
Service area: San Diego County Programs available:
Residential Solar Program:
- Eligibility: Residential customers
- Benefit: $0.30/Watt rebate (up to $1,500)
- Timeline: Ongoing
- Requirements: Must use SDG&E-approved installer
Energy Storage Program:
- Eligibility: Residential customers
- Benefit: $600/kWh for battery storage
- Timeline: Ongoing
- Requirements: Must participate in demand response
Net Energy Metering (NEM) 3.0:
- Eligibility: New solar installations
- Benefit: Grid export compensation
- Timeline: Ongoing
- Coverage: All excess energy production
Local and municipal incentives
City-level programs
Many California cities offer additional incentives:
Los Angeles:
- Expedited permitting for solar installations
- Reduced permit fees (50% discount)
- Solar-ready home requirements for new construction
San Francisco:
- Green building requirements
- Solar installation assistance programs
- Property tax abatements for green buildings
San Diego:
- Solar permitting assistance
- Green building incentives
- Community solar programs
Sacramento:
- Solar installation grants
- Property tax exemptions
- Green building requirements
County-level programs
Los Angeles County:
- Solar installation assistance
- Property tax exemptions
- Green building incentives
Orange County:
- Solar permitting assistance
- Property tax exemptions
- Energy efficiency programs
San Diego County:
- Solar installation grants
- Property tax exemptions
- Green building requirements
Additional financial incentives
Solar loans and financing
California-specific options:
- 0% interest loans: Available through some utilities
- Low-interest loans: 2-5% APR through state programs
- Property Assessed Clean Energy (PACE): Repay through property taxes
PACE financing details:
- Interest rates: 3-8% APR
- Terms: 10-25 years
- Repayment: Added to property tax bill
- Transferability: Stays with property if sold
Energy efficiency incentives
Combined solar + efficiency programs:
- HVAC upgrades: $500-$2,000 rebates
- Insulation improvements: $200-$1,000 rebates
- Window upgrades: $100-$500 rebates
- Smart thermostats: $50-$200 rebates
How to claim California solar incentives
Step-by-step process
- Install solar system: Use qualified contractor
- Document costs: Keep all receipts and invoices
- Claim federal credit: File with tax return
- Apply for state programs: Submit applications to utilities
- Check local programs: Contact city/county offices
- Monitor rebates: Track application status
Required documentation
- Installation contract: Detailed cost breakdown
- Receipts and invoices: All equipment and labor costs
- Permit documentation: Local building permits
- Utility interconnection: Grid connection approval
- Warranty information: Equipment warranties
Application deadlines
- Federal ITC: Claim on next tax return
- SGIP rebates: Apply within 6 months of installation
- Utility programs: Vary by program (check individual requirements)
- Local programs: Vary by city/county (check local requirements)
Maximizing your incentive savings
Strategic timing
- Install before 2032: Ensure federal ITC availability
- Check utility deadlines: Some programs have limited funding
- Plan for tax year: Ensure sufficient tax liability
- Consider seasonal variations: Some programs have seasonal availability
System optimization
- Size appropriately: Match system to energy needs
- Include storage: Qualify for additional SGIP rebates
- Use qualified contractors: Ensure program eligibility
- Document everything: Maintain complete records
Long-term planning
- Monitor program changes: Incentives may be modified
- Plan for upgrades: Future equipment may qualify for new programs
- Consider expansion: Larger systems may qualify for additional incentives
- Stay informed: Subscribe to utility and state program updates
Next steps for California solar incentives
Ready to maximize your solar savings? Here's your action plan:
- Research your utility: Check PG&E, SCE, or SDG&E specific programs
- Contact local government: Inquire about city and county incentives
- Plan your installation: Ensure eligibility for all programs
- Choose qualified contractors: Verify program participation
- Document everything: Keep complete records for all applications
Related resources:
- California solar costs - Detailed pricing analysis
- Best solar companies in California - Vetted installer recommendations
- Solar calculator - Estimate your potential savings
- Federal solar tax credit guide - Complete ITC information
Return to: California solar overview