Compare the highest-rated home solar professionals in Napa, California. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading local provider that is part of the SunPower Master Dealer network, offering high-efficiency solar panels and robust battery storage solutions. They are known for expert system design, handling complex permits common in Napa, and providing extensive warranty coverage.
A large, well-established roofing and solar company with a significant presence in California. They offer integrated roofing and solar services, which is a benefit for homeowners considering a new roof alongside their solar installation. They provide various financing and leasing options.
A highly-rated, local Napa Valley solar installer focused on personalized service and custom system design for both grid-tied and off-grid applications. They are praised for their customer service, energy efficiency assessments, and expertise with battery backup systems, which are valuable in a region prone to Public Safety Power Shutoffs (PSPS).
The home solar market in Napa, California, is mature and competitive, characterized by a high level of quality among the top-tier installers. The region's high electricity rates, abundant sunshine, and environmental consciousness drive strong demand. Homeowners are increasingly interested in battery storage solutions (like the Tesla Powerwall or SunVault) due to concerns about grid reliability and wildfire-related PSPS events. The market features a mix of large, established companies and smaller, specialized local contractors. Competition helps maintain high service standards, but consumers should always verify licenses and get multiple quotes. Typical pricing for a residential system in Napa is competitive with the state average, generally ranging from **$3.00 to $4.00 per watt** before incentives, meaning an average 6kW system can cost between $18,000 and $24,000 gross. The federal Investment Tax Credit (ITC) and other local incentives can significantly reduce this net cost.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Napa regulations and climate
Get answers to common questions about home solar services in Napa, California.
For a typical 6kW system in Napa, the gross cost before incentives is usually between $18,000 and $25,000. Crucially, you can reduce this by 30% with the federal Investment Tax Credit (ITC). Additionally, Napa homeowners benefit from California's net metering policy (NEM 3.0) with PG&E, which credits you for excess energy sent to the grid, and there are no local property tax increases due to the solar system installation.
Napa's abundant sunshine is excellent for solar production, especially during the long, clear summer days which offset higher air conditioning use. While morning fog in parts of the valley can slightly reduce early output, modern panels are efficient in diffuse light. The primary seasonal consideration is the need to clear fallen leaves and debris from panels in the autumn to maintain peak efficiency.
Prioritize installers with extensive local experience, as they will be familiar with Napa County's specific permitting process, PG&E interconnection requirements, and aesthetic guidelines in certain communities or HOAs. Always verify they are a licensed California C-10 or C-46 contractor, check reviews on local platforms like Nextdoor, and request references from recent installations in your specific area of the valley.
In Napa, the full process typically takes 2 to 4 months. This timeline includes system design, securing permits from your local city or county building department, the physical installation (which usually takes 1-3 days), and the final inspection and PG&E interconnection approval ("Permission to Operate"). Scheduling can be affected by local permit office backlogs and seasonal demand.
Standard grid-tied solar systems automatically shut off during a PG&E power outage for safety reasons, even if the sun is shining. To have backup power, you must install a solar battery storage system, like a Tesla Powerwall or similar. This is a particularly valuable consideration in Napa, as a battery can keep critical loads running during PSPS events or other outages, providing energy security and independence.