Solar Installers · Oakland, CA/Updated June 13, 2026
The 8 Best Solar Installers in Oakland, CA
Oakland's solar market is heating up, with providers competing to meet the demand for renewable energy solutions. Here's how to find the right fit for your needs.
MHMaya Hendricks · Home Services Editor Updated June 13, 2026 · Next review July 2026
Editorially independent8 companies evaluated
cover story
★ Editor's ChoiceIsaac Roth Solar
96Score
Latest update · June 13, 2026: Initial ranking published. 8 Oakland-metro solar installers businesses evaluated, top 8 ranked by Vetted Score.
Oakland's solar market is characterized by a growing demand for renewable energy, driven by a dense urban environment and competitive pricing. With eight evaluated providers, you have various options, though many have fewer than 50 reviews, indicating a market still in its formative stages.
We ranked these solar installers based on their Vetted Scores, which consider customer ratings and review counts. The top choices reflect the best combination of service quality and customer satisfaction, ensuring you can find a reliable installer for your home.
8solar installers evaluated in Oakland
4.59average rating across the field
752customer reviews analyzed
Cityvetted analysis of public Google review data, updated June 13, 2026.
To build this list, we assessed eight solar installation companies in the Oakland area, focusing on their customer ratings and the number of reviews. Each business was evaluated on its performance, with no company paying for a higher placement in our rankings.
Our rankings are refreshed monthly to reflect the latest customer feedback and performance trends. This approach allows us to provide you with the most accurate and up-to-date information possible, helping you make an informed decision.
The Vetted Score: six weighted factors
Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%
Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.
With a perfect rating of 5 stars from 43 reviews, Isaac Roth Solar is praised for its exceptional customer service and quality installations. Reviewers frequently highlight responsive communication and thorough consultations. This company is best for homeowners seeking a reliable and professional solar installation experience. However, the limited review base means that while promising, their long-term service performance remains to be fully established.
Pros
Exceptional customer service
Thorough consultations
High-quality installations
Cons
Limited review base
Best forHomeowners seeking reliable solar installations
Save a Lot Solar holds an impressive rating of 4.9 stars from 47 reviews, with customers commending their competitive pricing and efficient service. Many appreciate the thoroughness in explaining the solar process and financing options. This provider is ideal for budget-conscious homeowners who want quality without breaking the bank. However, like others in the area, their review count is still relatively low, indicating a developing reputation.
Semper Solaris has a solid rating of 4.6 stars from 571 reviews, making it the most reviewed solar installer in Oakland. Customers frequently comment on their professionalism and comprehensive warranty options. This company is suitable for those who prioritize extensive service experience and warranties. However, some reviews mention occasional delays in project timelines, which may be a concern for customers needing faster installations.
Pros
Extensive service experience
Comprehensive warranty options
Professional staff
Cons
Occasional project delays
Best forCustomers prioritizing service experience and warranties
NorthStar Solar Inc. has a rating of 4.7 stars from 50 reviews. Customers appreciate their knowledgeable staff and prompt service. This company is best for those who want a friendly and informative approach to solar installation. However, the limited number of reviews suggests that their long-term reliability is still being established.
Pros
Knowledgeable staff
Prompt service
Friendly approach
Cons
Limited number of reviews
Best forHomeowners wanting an informative approach
GRID Alternatives has a rating of 4.8 stars from 24 reviews. Reviewers often highlight their commitment to community service and affordable solar solutions for low-income households. This organization is ideal for those seeking socially responsible solar options. However, the smaller review base means their overall service quality is still developing.
A1 Sun Inc. has a rating of 4.7 stars from 12 reviews, with customers praising their friendly service and straightforward installations. This company may appeal to those looking for a personable experience. However, the limited review count raises questions about their overall reliability and service consistency. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is homeowners seeking a personable experience. It serves Oakland and nearby regions, with $11,000 to $26,000 pricing, and the honest trade-offs are limited review count.
Pros
Friendly service
Straightforward installations
Personable experience
Cons
Limited review count
Best forHomeowners seeking a personable experience
Solar Guru Energy Solar Panels holds a perfect 5-star rating from 3 reviews. Customers appreciate their quick service and knowledgeable staff. This company is a good pick for those needing a fast installation. However, the very limited review base raises concerns about their long-term service quality. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is customers needing fast installations. It serves Oakland and surrounding areas, with $12,000 to $27,000 pricing, and the honest trade-offs are very limited review base.
Universe Solar Panel Oakland has a rating of 3 stars from 2 reviews. While some customers appreciate their pricing, others express concerns over service quality and communication. This provider may be suitable for those willing to take a risk for potentially lower costs. However, the very thin review base suggests caution.
Pros
Competitive pricing
Cons
Concerns over service quality
Very limited review base
Best forCost-conscious customers
Service areaOakland
Typical pricing$9,000 to $20,000
Before you book
How to choose a solar installer in Oakland
Selecting the right solar installer in Oakland requires considering several local factors that impact service delivery and performance.
Evaluate Service Area
Ensure the installer services your specific neighborhood in Oakland, as some companies may have limitations.
Check Response Time
Look for installers who provide timely responses to inquiries and can schedule quick consultations and installations.
Verify State Licensing
Confirm that the installer holds the necessary California state licenses to perform solar installations, ensuring compliance with local regulations.
What it costs
What solar installation costs in Oakland
Solar installation costs in Oakland can vary significantly based on system size, complexity, and chosen provider. Here's a breakdown of what to expect.
Small Residential Systems$5,000 to $10,000 for systems suitable for smaller homes or apartments.
Medium Residential Systems$10,000 to $20,000 for average-sized homes needing more power.
Large Residential Systems$20,000 to $35,000 for larger homes or those with higher energy demands.
Commercial Systems$35,000 and up, depending on the scale and energy requirements of the business.
Frequently asked questions
How much does solar installation cost in Oakland?
The cost of solar installation in Oakland typically ranges from $15,000 to $30,000, depending on the size of the system and the specific provider.
What is the average rating for solar installers in Oakland?
The average rating for solar installers in Oakland is 4.4 stars, with a combined total of 752 reviews across all evaluated providers.
How often is this ranking updated?
We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.
Our verdict
For most Oakland homeowners: <strong>Isaac Roth Solar</strong>
Isaac Roth Solar is perfect for homeowners seeking top-notch service and reliability, holding a pristine 5-star rating from 43 reviews. If you want a solid balance of quality and value, Save a Lot Solar at 4.9 stars is an excellent second choice. For those looking for a well-established option with a wealth of experience, Semper Solaris offers a good reputation, backed by 571 reviews. Choose based on your specific needs and confidence level in these providers.
Cityvetted
