Solar Panel Cost Guide in Lafayette, CA (2025 Update)
- Lafayette Solar Installation Cost: $7,395
- 25-Year Savings: $20,513
- Payback Period: 7.0 Years
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Average Cost of Solar Panels in Lafayette
We go over average solar pricing in Lafayette.
The national average cost of solar panels is $2.66 per watt, but in Lafayette it’s 3 per watt.The average solar panel system size in Lafayette is around 3.0 kilowatts, meaning a cost of about $7,395 for a solar installation, or $10,575 before the 0 federal solar tax credit is applied.
The prices above are just estimates to give you an idea of the cost of solar panels. The actual cost of making the switch to solar can vary quite a bit based on multiple factors, such as what size system you need, your energy usage and what company you go with.But, after you've paid the upfront cost of installation, the savings for most homeowners is usually rewarding, with a net average savings of about $33,000 over 20 years on power bills.
You can click the button below to get connected with a vetted solar company in Lafayette that can help you get a more accurate cost estimate for your home.
Solar savings over time in Lafayette
| Year | Return on Investment |
|---|---|
| 1 years | $-5,857 |
| 3 years | $-2,781 |
| 5 years | $295 |
| 7 years | $3,371 |
| 9 years | $6,446 |
| 11 years | $9,522 |
| 13 years | $12,598 |
| 15 years | $15,674 |
| 17 years | $18,750 |
| 19 years | $21,825 |
| 21 years | $24,901 |
| 23 years | $27,977 |
| 25 years | $31,053 |
Top Solar Installers in Lafayette
Trying to install solar panels by yourself can be a difficult task, which is why getting a solar installation company is a good option for many homeowners. Plus, warranties and repairs from your solar panel installer can protect your investment and lower the cost of maintenance over the lifespan of your panels.
If you're on the hunt for a solar installer in Lafayette, we've put together a list of our top suggestions here:
See all of the solar companies in Lafayette
Factors that Affect Solar Panel Costs in Lafayette
The cost of installing a solar system in Lafayette can vary by more than $10,000 from home to home. Your actual cost depends on several factors. The biggest one is the size of the system you need, and other factors include the equipment you choose, financing options and the solar company you choose.
Solar Equipment
The size of the solar energy system you need for your home, which is measured in kilowatts, is the most important cost factor to consider. For every additional kilowatt you need, you can expect your total to increase by nearly $3,470. There are several different solar panel brands and the one you pick also changes the cost. Generally speaking, the brands that have better efficiency tend to also cost more. In addition, the type of equipment you’re looking to get can affect your total cost. If you only need panels, your system will be far less expensive than if you also need solar batteries or an electric vehicle charger.
Solar Financing Terms
Solar panels can save you money on power bills over time, but they can also be a significant investment. That’s why many Lafayette homeowners opt to finance their solar panel systems to offset upfront costs.However, the interest on solar loans also increases your all-in costs, so it’s vital to consider that as well. You can always reduce the total you pay in interest and in some cases even your APR by putting more money down.
Solar Panel Installation Company
The solar panel installation company you choose will play a role in your total cost to go solar. Different companies will charge different amounts for the equipment and labor.The size of the company sometimes plays the most significant role in the cost. Larger national companies, like SunPro and Sunrun, often have lower prices due to access to more resources and better pricing. Smaller local companies might be more costly, but they generally have better customer service and more customization options, and the occasional sale or discount can bring their pricing down to compete with bigger companies.
Solar Panel Cost Data by System Size
| System size | Cost per system watt | Solar system cost | 25-Year savings | Payback period |
|---|---|---|---|---|
| 6 kW | $3.61 | $15,157 | $36,738 | 7.3 years |
| 8 kW | $3.54 | $19,821 | $49,373 | 7.2 years |
| 10 kW | $3.47 | $24,290 | $62,202 | 7.0 years |
| 12 kW | $3.40 | $28,565 | $75,225 | 6.9 years |
| 14 kW | $3.33 | $32,646 | $88,443 | 6.7 years |
| 16 kW | $3.26 | $36,532 | $101,855 | 6.6 years |
| 18 kW | $3.19 | $40,224 | $115,461 | 6.5 years |
| 20 kW | $3.12 | $43,722 | $129,262 | 6.3 years |
How to Save on Solar Panels
Since the brand of solar panels and the company you choose has an impact on your costs and your system’s durability and efficiency, it’s important to select the right ones for you. Here are some things to keep in mind to help with your decision:
- Installation Process: An important thing to understand when going solar is the installation process itself. Be sure to clarify any details you should know with your solar company, such as what permits you should secure and how long the project will take.
- Reputation: Well-established companies likely have a good reputation. This is important because it ensures that it will not only see your solar installation through, but will also provide adequate aftercare and customer support, such as part repairs and replacements.
- Warranty: A comprehensive, long-term warranty can help keep your solar system running for a long time and save you money on part replacement and repairs.
- Solar Panel Brands: Not all solar companies carry the same brands of solar panels, so the brand and type of panel you want can play a significant role in the company you opt for.
EcoWatch's Lafayette, CA Solar Cost FAQs
How much does it cost to install solar panels in Lafayette?
The average cost of solar panels in Lafayette is about $17,350 for a 5-kW system and $34,700 for a 10-kW system before the ITC, but the actual cost will depend on things like the kind of solar panels you want, what size system you need and how much energy you use.
Is cost the most important consideration when buying solar panels?
Cost is definitely one of the most important things to keep in mind when buying solar panels, but other important factors include efficiency, durability, and quality.
Can you sell solar power back to the grid in Lafayette?
Each state has some kind of net metering programs except Tennessee, South Dakota and Alabama currently. Some states let you sell power back to the grid, but others just offer you credit toward your future utility bills.
How many solar panels should I get to power my home?
The exact number of solar panels you need depends on your household energy needs and the amount of sunlight your roof gets. You can look at your energy bills for the past year to get an idea of the solar system size you'll need. The average household has to get between 20 and 35 panels to account for their typical energy usage.
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.