Solar Panel Cost Guide in Walnut Creek, CA (2025 Update)
- Walnut Creek 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 Walnut Creek
Let’s take a look at the average cost of solar in Walnut Creek.
The average cost of a solar panel system in Walnut Creek is 3 per watt.The average solar panel system size in Walnut Creek 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.
These figures are only estimates, and how much solar costs for you will most likely differ based on the amount of energy your home requires and what company you want to go with.With typical savings of about $33,000 on energy bills over 20 years, many homeowners in Walnut Creek find going solar can pay off big.
To see your potential ROI and connect with a local solar company, click the button below.
Solar savings over time in Walnut Creek
| 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 Walnut Creek
When going solar, many homeowners decide to go with a solar company since handling can be a difficult project. Local solar installation companies can also help you maximize your return on investment by walking you through any local incentives you can take advantage of and by offering warranties and repairs.
You can work with a local solar installer to get a free estimate on the cost of solar panels for your home. Here are some nearby:
See all of the solar companies in Walnut Creek
Factors that Affect Solar Panel Costs in Walnut Creek
For many Walnut Creek homeowners, the decision to go solar rests on cost. However, the range of solar installation costs can be quite wide in Walnut Creek, with typical prices between $20,000 to $40,000. There are a number of factors that significantly influence the price you’ll pay, which we'll go over below.
Solar Equipment
The size of the solar system you need for your household, which is measured in kilowatts, is the most important cost factor to consider. For every additional kilowatt you need, your total will most likely increase by nearly $3,470. Some solar panel brands — like Maxeon from SunPower — are more expensive upfront but also tend to offer better efficiency. In a city like Walnut Creek, where sunlight is abundant, efficiency can quickly pay off. In addition, if you have a small roof or limited space for your panels, higher efficiency options will be a better option. Additional equipment like electric vehicle chargers and solar batteries will also increase the cost.
Solar Financing Terms
For some homeowners, paying for a solar system out of pocket can be a challenge. Solar loans are offered by most installers in Walnut Creek, which can reduce, or in some cases totally eliminate, your upfront costs to make solar more affordable.However, the interest on solar loans also adds to your overall costs, so it’s vital to include that in your estimate as well. You can always lower the total you pay in interest and sometimes even your APR by putting more money down.
Solar Panel Installation Company
Finally, the company you hire to install your solar system can affect your pricing. Walnut Creek’s solar companies all have different labor costs and add varying upcharges to equipment. You may come across national solar installers that have lower prices due to their bigger brand name and access to bulk equipment pricing, or you might see small, local installation companies offering deals or specials to compete with those major players.
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
There are a lot of companies to choose from in Walnut Creek, and some homeowners feel overwhelmed considering their options. Choosing the right company for you can be challenging, so here are some tips to help you decide:
- Solar Panel Brands: Not all solar installers offer the same brands of solar panels, so the brand and type of panel you want can play a substantial role in the company you choose.
- Reputation: Your solar installer should have a good reputation as a company and have demonstrated expertise in the field. Two ways to check this are to look for whether a company has technicians certified by the North American Board of Certified Energy Practitioners (NABCEP) and if it has satisfied reviews from past customers.
- Contract: It’s important to read through your solar installer’s contract well to understand what services they will provide, what the warranty covers and what expectations you should have about the project timeline.
- Warranty: An all-inclusive, 25-year warranty can help keep your solar panels running smoothly and save you money on part replacement and repairs.
EcoWatch's Walnut Creek, CA Solar Cost FAQs
How much does it cost to install solar panels in Walnut Creek?
This is a difficult question to answer precisely, because the cost depends on many factors. Generally speaking, it costs about $17,350 for a 5-kW system and $34,700 for a 10-kW system after the ITC is applied. You can expect to pay more if you want extra solar equipment or more efficient panels, or if you have above-average energy usage. On the other hand, you can spend less if you want a smaller solar panel system or less expensive solar panels.
Can you get solar panels for free in Walnut Creek?
You can’t get solar panels for free in Walnut Creek. However, you may still be able to afford them on a lower budget. You can lease solar panels for a low upfront cost or, if you want to own your solar panels, you can finance them with a solar loan.
Do solar panels increase the value of your home?
Buying or financing solar panels for your home can increase the value of your property by about 4%, according to research done by Zillow. The average home value in Walnut Creek is currently $1,085,063, which means you can look forward to a value of about $44,488 more than houses without a solar system. The specific figures will vary, but most experts agree that installing solar panels in Walnut Creek is a rewarding investment.
How long do solar panels last in Walnut Creek?
Although the average lifespan of solar panels is 25 to 30 years, that doesn't mean they should be disposed of at that time. What this means is the amount of energy they produce will have decreased significantly after that point. You can choose to replace them once you've had them for that long or you can keep using them at a lower efficiency.
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.