Solar Panel Cost Guide in San Luis Obispo, CA (2025 Update)
- San Luis Obispo Solar Installation Cost: $6,986
- 25-Year Savings: $20,835
- Payback Period: 6.6 Years
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Average Cost of Solar Panels in San Luis Obispo
We break down average solar pricing in San Luis Obispo.
The average cost of a solar system in San Luis Obispo is 3 per watt.The average solar panel system size in San Luis Obispo is around 2.9 kilowatts, meaning a cost of about $6,986 for a solar installation, or $9,990 before the 0 federal solar tax credit is applied.
The true price you pay can be above or below the average in San Luis Obispo depending on a variety of factors, such as the brand of solar panels you choose and the solar contractor you hire.But, once you've paid the initial cost of installation, the savings for most homeowners is typically fruitful, with a net average savings of about $35,000 over 20 years on electricity bills.
To receive a free estimate from a vetted solar installer in San Luis Obispo, you can click the button below.
Solar savings over time in San Luis Obispo
| Year | Return on Investment |
|---|---|
| 1 years | $-5,448 |
| 3 years | $-2,372 |
| 5 years | $704 |
| 7 years | $3,780 |
| 9 years | $6,855 |
| 11 years | $9,931 |
| 13 years | $13,007 |
| 15 years | $16,083 |
| 17 years | $19,159 |
| 19 years | $22,234 |
| 21 years | $25,310 |
| 23 years | $28,386 |
| 25 years | $31,462 |
Top Solar Installers in San Luis Obispo
Installing solar panels on your own can be a time-consuming project, which is why hiring a solar installation company is a good option for many homeowners. Also, if you’d like to maximize your investment in solar energy, opting for a solar installer can help with that too. Different providers can offer warranties, expertise on how to install solar panels and sometimes even information on local incentives.
Working with a vetted solar installer can help you make the most of your investment in solar. Here are our recommendations:
See all of the solar companies in San Luis Obispo
Factors that Affect Solar Panel Costs in San Luis Obispo
Although the average cost of a solar system in San Luis Obispo is $6,986, your final cost may be higher or lower than that. There are quite a few factors that can have a sizable impact on the cost of a solar panel installation. Below are some of the more crucial things to keep in mind.
Solar Equipment
Solar system size, which is measured in kilowatts, is one of the largest factors that affects the overall cost of installing solar panels. Because of that, it’s important to accurately ascertain the size of the solar energy system needed for your home by figuring out your energy needs.The kind of solar panels and equipment you want is another factor that will considerably impact costs. Solar panels that have higher efficiency, like monocrystalline panels, tend to cost more. Plus, solar equipment consists of more than just the solar panels themselves. You’ll also need to make decisions about the kind of racks used to mount the panels, inverters, solar batteries, etc. It’s important to take all of this into consideration when searching for a solar system that falls within your budget.
Solar Financing Terms
Solar panels can save you money on power bills over many years, but they can also be a significant investment. That’s why many San Luis Obispo homeowners opt to finance their solar panel systems to offset upfront costs.When considering your overall cost, you should also calculate the interest you’ll pay if you choose to go with a solar loan. Also, paying more upfront can lower the total interest paid over time.
Solar Panel Installation Company
The solar installer you choose to handle your switch to solar energy can play a role in your total costs. There are about 3 solar installation companies operating throughout San Luis Obispo, and each can charge varying amounts for labor and equipment.You may come across national solar installers that have lower prices due to their larger brand name and access to bulk prices, or you might see small, local installation companies offering deals or promotions to compete with those larger 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 | $39,777 | 6.9 years |
| 8 kW | $3.54 | $19,821 | $53,424 | 6.8 years |
| 10 kW | $3.47 | $24,290 | $67,266 | 6.6 years |
| 12 kW | $3.40 | $28,565 | $81,302 | 6.5 years |
| 14 kW | $3.33 | $32,646 | $95,533 | 6.4 years |
| 16 kW | $3.26 | $36,532 | $109,957 | 6.2 years |
| 18 kW | $3.19 | $40,224 | $124,576 | 6.1 years |
| 20 kW | $3.12 | $43,722 | $139,390 | 6.0 years |
How to Save on Solar Panels
There are a lot of solar installers to choose from, all of which offer different warranties, solar panel brands and price points. To help you pick the right company for you, here are some tips to keep in mind:
- Warranty: A quality company rises above other companies by offering the gold standard warranty — a 25-year, all-inclusive warranty covering parts, labor and performance.
- Contract: When looking over your solar company’s contract, ask questions about any terms you’re not sure of and make sure you understand what happens in scenarios such as a system part breaking or if the company goes out of business.
- 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 opt for.
- Reputation: Make sure your solar installer has a good reputation by verifying it has certifications and licenses, checking how long it's been in business and reading reviews by previous customers and solar experts like the EcoWatch team.
EcoWatch's San Luis Obispo, CA Solar Cost FAQs
What is the average cost of installing solar panels in San Luis Obispo?
The average cost of solar panels in San Luis Obispo is about $17,350 for a 5-kW system and $34,700 for a 10-kW system before the ITC, but the real cost will depend on stuff such as the type of solar panels you want, what size system you need and how much energy you consume.
Should I lease or buy solar panels in San Luis Obispo?
Leasing solar panels can be an option if you can’t pay upfront or get a solar loan, but since you don’t own the system, you don’t have access to many solar incentives. Also your home value won’t increase, so you’ll have less savings over time. If you can afford to buy a solar system upfront, then buying is the better option if you want the most bang for your buck from going solar.
Can solar panels completely eradicate my energy bills?
Solar panels can potentially eliminate your electricity bills depending on your location and the efficiency of your system. Even if it doesn’t get rid of them completely, you can save a lot of money on your bills, about $1,831.12 per year.
How often do you have to replace solar panels?
On average, the lifespan of solar panels is about 25 to 30 years. Some even last up to 50 years, but their efficiency decreases by about 0.8% each year. You can choose to replace them sooner if you want to maintain a larger level of energy production.
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.