14 Best Solar Companies in Costa Mesa, CA (2023 Reviews)
We analyzed over 1500 solar companies in the nation,
and have selected the top 14 in Costa Mesa based on:
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Customer review scores
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Service area for Costa Mesa, CA
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Company policies and services offered
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Accreditations and certifications
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Average Costa Mesa homeowner saves $2,082/year with solar panels
Updated May 04, 2023
Why you can trust EcoWatch
Best Solar Companies in Costa Mesa
Looking for energy freedom in Costa Mesa? Installing solar panels can be a rewarding home project since there are many benefits when you go solar. You may have to spend a decent amount of money upfront for solar panels, but the switch will save you money on your utility bills over many years. In fact, you can potentially save about $25,000 over 20 years.
To help you navigate through the huge amount of Costa Mesa solar installers, we've narrowed down a list of the top ones. We suggest shopping around to get several quotes and comparing them to find the best installer for your home. To get free quotes from the top solar companies in Costa Mesa, click the link below.
Best Regional Coverage
Momentum Solar
- Great warranty coverage
- Representatives are experts on local policies
- Concierge service ensures steady communication
- Slightly limited service offerings
Best Warranty Coverage
Sunpro Solar
- Industry-leading warranty coverage
- Expansive service area
- Some reported communication issues
- No leases or PPAs
EcoWatch Rankings for Solar Companies in Costa Mesa

SunPower
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Most efficient panels on the market
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National coverage
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Cradle to Cradle sustainability certification
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Great warranty coverage
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Expensive
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Customer service varies by local dealer
Services Offered
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Solar Panels
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Solar Batteries
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EV Chargers
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System Monitoring

Momentum Solar
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Great warranty coverage
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Representatives are experts on local policies
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Concierge service ensures steady communication
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Slightly limited service offerings
Services Offered
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Solar Panels
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Solar Batteries

SunSolar U.S.
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Clear Pricing Policy
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Recognized Excellence
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Outstanding Customer Support
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Prompt Service Delivery
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Informative Resources
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Free Quotes
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Limited information available on website
Services Offered
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Integrated roofing
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Business installations
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Tailored solutions
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Energy storage solutions
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Expert panel installation
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Home installations
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End-to-end services

REPOWER OC
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Prompt Service Delivery
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Informative Resources
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Clear Pricing Policy
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Outstanding Customer Support
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Free Quotes
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Limited information available on website
Services Offered
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Business installations
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Tailored solutions
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Home installations
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Energy storage solutions
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Expert panel installation
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Integrated roofing

Sunpro Solar
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Industry-leading warranty coverage
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Expansive service area
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Some reported communication issues
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No leases or PPAs
Services Offered
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Solar Panels
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Solar Batteries
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EV Chargers
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Energy-Efficiency Upgrades

Sunrun
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Expansive service area
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Many financing options
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Some reported issues with customer service
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Some reported issues with door-to-door sales
Services Offered
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Solar Panels
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Solar Batteries
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EV Chargers
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Energy-Efficiency Upgrades

Palmetto Solar
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Expansive service area
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Makes charitable contributions
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Certified B Corp
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No leases or PPAs
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Quality of installation may vary by location
Services Offered
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Solar Panels
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Solar Batteries
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Energy-Efficiency Upgrades
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Maintenance & Repairs

Tesla Energy
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Price-match guarantee
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Sleek, efficient, and durable solar panels
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Best solar battery on the market
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Some reported issues with customer service
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Customer service varies by local dealer
Services Offered
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Solar Panels
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Solar Batteries
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EV Chargers
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Solar Roof Shingles
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System Monitoring

firmgreen
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Recognized Excellence
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Informative Resources
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Clear Pricing Policy
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Free Quotes
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Outstanding Customer Support
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Limited information available on website
Services Offered
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Tailored solutions
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Energy storage solutions
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Home installations
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Expert panel installation

American Energy Networks
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Informative Resources
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Outstanding Customer Support
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Free Quotes
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Clear Pricing Policy
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Limited information available on website
Services Offered
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Tailored solutions
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Business installations
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Integrated roofing
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Home installations

National Energy Installers
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Clear Pricing Policy
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Informative Resources
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Outstanding Customer Support
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Prompt Service Delivery
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Limited information available on website
Services Offered
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Home installations
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Energy storage solutions
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Expert panel installation
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Tailored solutions

Tom Semark Sunlove.us Solar and Roofing
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Free Quotes
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Recognized Excellence
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Clear Pricing Policy
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Outstanding Customer Support
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Informative Resources
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Limited information available on website
Services Offered
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Tailored solutions
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Integrated roofing
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Energy storage solutions
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Expert panel installation
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Home installations

Tesla Solar Newport Beach
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Prompt Service Delivery
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Clear Pricing Policy
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Outstanding Customer Support
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Free Quotes
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Limited information available on website
Services Offered
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Home installations
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Integrated roofing
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Expert panel installation
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Tailored solutions

Renew Earth Solar
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Clear Pricing Policy
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Outstanding Customer Support
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Recognized Excellence
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Informative Resources
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Limited information available on website
Services Offered
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Skilled repairs
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Home installations
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Tailored solutions
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Expert panel installation
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Energy storage solutions
Methodology: How We Ranked the Best Solar Companies in Costa Mesa
EcoWatch's solar experts analyzed each solar company in Costa Mesa based on criteria such as its reputation in the industry, customer reviews, services, warranty coverage and financing. Using this solar methodology, we used the data we collected to rate and rank each company and narrow down our picks for the best solar companies in Costa Mesa
Below are some the criteria we examined specifically for California solar companies
- Brand reputation and certifications (20%): We take each company's Better Business Bureau (BBB) score into consideration, as well as how long the installer has been in business (at least 5 years is required, 10 preferred) and what type of solar certifications it holds.
- Customer reviews (20%): Trust is a top priority at EcoWatch, so we take customer experience under close consideration. We scour different review sites and customer testimonials when ranking our top solar companies, checking sites such as Trustpilot and Google Reviews. We also consider any potential complaints or lawsuits filed against these companies and award or remove points accordingly.
- Warranty (20%): A company earns a perfect score in this category if it offers 25-year warranties that cover performance, product and workmanship. The industry standard that we measure companies against is 25-year product and performance warranties, along with a 10-year workmanship warranty. We also look closely into the track record of the post-installation support each company provides in terms of honoring its contracts
- Solar services (10%): All of the companies we review install solar panels, but we award companies higher points if they offer additional services for customers, like battery installation, energy-efficiency audits, and EV chargers.
- Pricing and financing (10%): It's hard to get exact quotes for solar projects, but we use marketplace research to determine how each company prices its equipment and installation services. Additionally, companies that offer more help for panel financing — like in-house loans, leases, or PPAs — score higher than those that don't.
- Availability (10%): The bigger the service area, the higher the company will score.
- Transparency and accessibility (5%): Solar installers that offer free consultations and easy contact methods score higher in this category.
- Environmental, social and corporate governance factors (5%): A company earns a perfect score in this category if it offers public data disclosure, addresses end-of-life (EOL) products or processes, and demonstrates a commitment to uplifting the communities that it serves.
The Cost and Benefits of Solar in Costa Mesa
For many readers, the decision of which solar installer to choose depends on how much it'll cost. Some important things that impact how much it will cost and how much you could save include:
- The type of solar panels you want to get: Some are more expensive, so that will affect your budget for your solar project.
- Your city: This influences the average daily sunlight your roof gets, which helps determine how many panels you need.
- How much energy you use: If your family uses a lot of energy, you'll benefit more from installing solar panels.
- Incentives: One thing that can reduce the cost of your solar project is the solar investment tax credit (ITC), which is a tax credit that lets you deduct from your taxes a percentage of the project cost. You can also save on your utility bills, which can generate an average of $25,000 of savings over 20 years.
There are many good benefits of solar even with the initial cost of installation. It can help the environment and your finances. Plus, it can raise the value of your home, resulting in even more benefits if you want to sell your home later.
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Solar Incentives in Costa Mesa
There are a lot of reasons why going solar is a great investment. One of them consists of some government incentives that can save you money. These incentives usually consist of cash rebates, tax credits and/or performance-based incentives. They can cut how much you end up spending on installing solar panels by 30%, upwards of 50% depending on where you live. You can find out about the incentives you can use in our article on solar incentives
Environmental Impact of Switching to Solar in Costa Mesa
Swapping traditional energy for solar is a powerful way to do your part for a greener future. Many homeowners might be wondering how much exactly they can impact the environment by switching to solar in Costa Mesa, though. The amount of energy you use is a key factor to keep in mind. The more electricity your household consumes, the bigger your impact when you make the switch to solar power. In Costa Mesa, the average resident can reduce their carbon footprint by 50 pounds a year once they go solar. If you care about the environment, you'll likely find that there are many benefits of adopting solar energy other than just saving money on bills. You can also help preserve the environment, which some would argue is priceless.
Best Regional Coverage
Momentum Solar
- Great warranty coverage
- Representatives are experts on local policies
- Concierge service ensures steady communication
- Slightly limited service offerings
Best Warranty Coverage
Sunpro Solar
- Industry-leading warranty coverage
- Expansive service area
- Some reported communication issues
- No leases or PPAs
EcoWatch's Costa Mesa, CA Solar Company Rankings FAQs
What is the top solar installer in Costa Mesa?
In Costa Mesa, Renewable USA is the most reputable local solar company. Our team of experts rates it 5.00 stars, so it's a good choice if you're looking to add solar panels to your house.
What is the negative environmental impact of solar panel manufacturing?
Manufacturing solar panels requires chemicals and produces toxic waste that can be harmful for the environment, which is the main downside of solar panels.
How long does it take for solar to pay for itself?
Solar panels generally pay for themselves in about 7.3 years, but your solar payback period will vary depending on your utility costs. The higher your typical power bill, the quicker your solar panel system will pay for itself.
How often do solar panels need to be replaced?
Even though the average lifespan of solar panels is 25 to 30 years, that doesn't mean they stop working completely. What this means is their energy production will have decreased significantly after that point. You can decide to replace them once you've had them for that long or you can continue to use them at a lower efficiency after that time.
Our goal is to reach as many people as we can with sensible solutions like solar energy. Our team of full-time local researchers collects solar price and installation data for every city in America then compiles it to create these digestible city guides. If you want to read our solar expert’s opinion on the top solar companies featured here, follow this link.
Company research was conducted by Melissa Smith and Karsten Neumeister. Local data analysis was conducted by James Savino. See something we missed or could do better? Email the editor.