Solar Panel Cost Guide in Union, SC (2025 Update)

  • Union Solar Installation Cost: $19,349
  • 25-Year Savings: $31,486
  • Payback Period: 10.3 Years

See cost of a solar system near you:

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated January 24, 2025

Why you can trust EcoWatch

We work with a panel of solar experts to create unbiased reviews that empower you to make the right choice for your home. No other site has covered renewables as long as us, which means we have more data and insider information than other sites. Our rankings are never affected by revenue or partnerships.

Average Cost of Solar Panels in Union

We go over average solar pricing in Union.

The national average cost of solar panels is $2.66 per watt, but in Union it’s 3 per watt.Because a 8.0-kW system is needed to cover the energy costs of a typical home in Union, the average price of going solar will be about $19,349 after claiming the federal solar tax credit of 0.

These figures are just averages, and how much solar costs for you may look different based on your energy needs and what company you want to go with.Even with the significant upfront cost, the average Union homeowner can save about $22,000 on their energy bills over 20 years, which is one of the benefits of solar.

To get a free quote from a highly rated solar installation company in Union, you can click the button below.

Solar savings over time in Union

YearReturn on Investment
1 years$-17,864
3 years$-14,894
5 years$-11,923
7 years$-8,953
9 years$-5,982
11 years$-3,012
13 years$-41
15 years$2,930
17 years$5,900
19 years$8,871
21 years$11,841
23 years$14,812
25 years$17,782

Top Solar Installers in Union

Many homeowners opt for a solar installer since trying to install solar panels by yourself can be a lot of work. Solar installers offer key benefits that can help you maximize your investment, like warranties, monitoring and free repairs.

Working with a licensed solar company can help you make the most of your investment in solar. Here are our recommendations:

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Best Solar Financing

Blue Raven Solar

★★★★★
4.5
  • Industry-leading in-house financing
  • Competitive pricing
  • Excellent reputation
  • Doesn't offer solar batteries

Best for Leasing

Sunrun

★★★★★
4.0
  • Expansive service area
  • Many financing options
  • Some reported issues with customer service
  • Some reported issues with door-to-door sales

See all of the solar companies in Union

Factors that Affect Solar Panel Costs in Union

While the average cost of a solar system in Union is $19,349, your actual cost may be above or below the average. There are several factors that can have a major impact on the cost of a solar system installation. Below are some of the more crucial things to take into consideration.

Solar Equipment

Solar system size, which is measured in kilowatts, is one of the largest factors that influences the overall cost of going solar. Because of that, it’s important to accurately gauge the size of the solar energy system needed for your home by figuring out your average energy use.There are a lot of different solar panel brands and the one you choose also changes the cost. In general, the brands that have better efficiency tend to also be more expensive. Plus, the type of equipment you want to install can affect your total cost. If you just need panels, your system will be far less expensive than if you also need solar batteries or an electric vehicle charger.

Solar Financing Terms

Most solar companies in Union offer solar loans, which reduce the initial cost of installing a solar system.You’ll have to consider the long-term cost of loans, including the amount of interest you’ll pay over the length of the loan. If you can only get a high-interest loan, then your total can be hundreds or even thousands of dollars more than the original cost. Making a larger down payment or securing a solar loan with a low interest rate could reduce your costs significantly.

Solar Panel Installation Company

Lastly, the company you choose to install your solar panels can play a role in determining the cost. Union’s solar companies all have different labor costs and add varying upcharges to equipment. Additionally, some companies in Union have more knowledge about local solar incentives and can help you make good use of additional rebates or tax exemptions. Though, they may charge more for that service. Even if they cost more upfront, they could help you save more money in the long run.

Solar Panel Cost Data by System Size

System sizeCost per system wattSolar system cost25-Year savingsPayback period
6 kW$3.59$15,070$19,93310.8 years
8 kW$3.52$19,706$26,96410.6 years
10 kW$3.45$24,150$34,18810.3 years
12 kW$3.38$28,400$41,60510.1 years
14 kW$3.31$32,458$49,2159.9 years
16 kW$3.24$36,322$57,0199.7 years
18 kW$3.17$39,992$65,0159.5 years
20 kW$3.11$43,470$73,2059.3 years

How to Save on Solar Panels

There are numerous companies available in Union, and some homeowners feel overwhelmed considering their options. Picking the right company for you can be challenging, so here are some tips to help you decide:

  • Warranty: An all-inclusive, long-term warranty can help keep your solar panel system running for a long time and save you money on part replacement and repairs.
  • Installation Process: When going solar, it’s important to maintain an open line of communication with your solar panel company. Make sure you understand how the installation process works and the project completion timeline.
  • Contract: Even though reading through a contract can take a lot of time, it’s important to do it carefully so you can make sure you understand how much the equipment and services will cost and how part repairs and replacements will be handled.
  • Reputation: Make sure your solar system installer has a good reputation by verifying it has certifications and licenses, checking its number of years in business and reading reviews by past customers and solar experts like EcoWatch.
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Best Solar Financing

Blue Raven Solar

★★★★★
4.5
  • Industry-leading in-house financing
  • Competitive pricing
  • Excellent reputation
  • Doesn't offer solar batteries

Best for Leasing

Sunrun

★★★★★
4.0
  • Expansive service area
  • Many financing options
  • Some reported issues with customer service
  • Some reported issues with door-to-door sales

EcoWatch's Union, SC Solar Cost FAQs

What is the average cost of installing solar panels in Union?

This is a tough question to answer exactly, because the cost depends on many factors. Broadly speaking, it costs about $17,250 for a 5-kW system and $34,500 for a 10-kW system after the ITC is applied. It will be more expensive if you want additional solar equipment or more efficient panels, or if you have above-average energy needs. Conversely, you can spend less if you opt for a smaller solar panel system or less efficient solar panels.

Should I lease or buy solar panels in Union?

Leasing solar panels can be an option if you can’t pay upfront or secure 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 financial benefits from going solar.

Do solar panels increase the value of your home?

Solar panels can increase the value of your property by about 4%, according to research done by Zillow. The average home value in Union is currently $110,114, so you could be looking at a value of about $4,515 more than houses without a solar system. The exact figures will vary, but most experts agree that installing solar panels in Union is a rewarding investment.

What solar power system size is right for my home?

To figure out how many solar panels you need, you need to know how much energy your home uses and how much sunlight your home gets. For a general estimate, however, since each panel can typically produce about 250 to 400 watt-hours per hour, the average household will need 20 to 35 panels.

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.