Citadel Roofing and Solar
Service-area evidence found
Official service-area page explicitly lists Ontario.
Local evidence guide
Solar Installers in Ontario, CA
Ontario is served by SCE. Confirm the City of Ontario permit route, an active CSLB record, and SCE Permission to Operate.
Compare QuotesSuperior Solar is a comparison platform, not an installer.
Ontario fast facts
County
San Bernardino
Utility
Southern California Edison
Permitting authority
City of Ontario Building and Safety Division
Licensing authority
California Contractors State License Board (CSLB); verify the C-46 solar classification and active status.
Last reviewed
What matters in Ontario
Key takeaways
- Utility: SCE.
- Inland heat and dust should be reflected in production and maintenance assumptions.
- Installer-specific reviews, licenses, and financing were not publicly verified here.
For Ontario, this guide uses 3 official utility, permitting, or licensing sources plus 2 installer-owned service-area sources; re-check each before contracting.
Ontario's inland suburban and industrial mix makes roof type and electrical-service capacity highly site-specific; storage economics depend on the customer's load and tariff.
Climate and property considerations
Hot, dry inland weather brings strong solar resource, heat, dust, and occasional high-wind or smoke conditions. Account for soiling, roof temperature, equipment clearances, and maintenance access.
Interconnection
SCE Rule 21 review and Permission to Operate are required for grid-connected solar and storage.
Dated official sources
These primary sources are tied to the local claims above. Re-check them before signing because rules and program terms change.
UtilityChecked 2026-09-18
SCE publishes solar generation and storage interconnection guidance.
Southern California Edison
SCE publishes solar generation and storage interconnection guidance.
PermittingChecked 2026-09-18
California's official guidebook describes local solar permitting and utility approval.
California Energy Commission
California's official guidebook describes local solar permitting and utility approval.
StateChecked 2026-09-18
CSLB provides official license verification.
California Contractors State License Board
CSLB provides official license verification.
Installer service-area evidence
Installer-owned sources must explicitly name the city, its county, or a statewide service area. This is not a license, rating, warranty, or financing verification.
OC Solar
Service-area evidence found
Official service-area page explicitly lists Ontario.
A neutral quote checklist
Use the same questions with every installer so proposals can be compared on equal terms.
- Confirm active state license and insurance
- Name the serving utility and tariff
- Show address-specific production assumptions
- Separate equipment, labor, permit, and interconnection costs
- State battery capacity, warranty, and replacement terms
- Compare cash price, APR, fees, and total repayment
Ontario solar FAQs
Explore Ontario solar options
Compare proposals using your home's actual utility, roof, and usage details.
Compare Quotes