The Prairie State has seen a surge in solar energy adoption lately. More and more people are tapping into the power of the sun for their homes and businesses.
The average cost of solar panels in Illinois stands at $3.15 per watt in 2025. This puts a typical 7.2 kW system at around $15,876 after the federal tax credit. While slightly higher than the national average, it's still an attractive option for many.
Illinois is making big strides in renewable energy. The solar panels cost in Illinois reflects this growing interest. With new regulations and incentives coming into play, it's a great time to explore your solar options. Keep in mind that net metering rules are changing on January 1, 2025, which could affect your decision.
Key Takeaways
- Solar panel costs in Illinois average $3.15 per watt in 2025
- A typical 7.2 kW system costs about $15,876 after federal tax credits
- New net metering rules starting January 1, 2025 may impact installation decisions
What is the Average Cost of Solar Panels in Illinois?
In Illinois, solar panel costs can vary widely. You'll find prices ranging from $10,745 to $31,480 for a complete installation.
The price depends on several factors, including the size and type of system you choose. A bigger system will cost more but generate more power.
For a typical 7.2 kW system, you can expect to pay about $15,876 after claiming the federal tax credit. This size usually works well for many homes in Illinois.
Keep in mind that solar panel prices in Illinois average $3.01 per watt. This is slightly higher than the national average.
Your total cost will also depend on the quality of panels you select. High-efficiency panels cost more upfront but can save you money long-term.
Remember, these prices include both equipment and installation. You're paying for the panels, inverter, mounting hardware, and professional setup.
While the initial cost may seem high, solar panels can significantly reduce your energy bills. Many homeowners see a return on their investment within a few years.
Average Solar Panel Installation Cost in Illinois by System Size
The cost of solar panels in Illinois varies based on the system size you choose. Let's break down the prices for different sizes to help you decide.
Here's a table showing average costs for various system sizes:
System Size | Avg Cost (Before ITC) | Avg Cost (After ITC) |
|---|---|---|
3 kW | $9,000 | $6,300 |
4 kW | $12,000 | $8,400 |
55 kW | $15,000 | $10,500 |
6 kW | $18,000 | $12,600 |
7 kW | $22,000 | $15,533 |
8 kW | $24,000 | $17,136 |
9 kW | $26,000 | $18,711 |
10 kW | $31,480 | $22,036 |
As you can see, larger systems cost more but offer greater energy output. The federal tax credit (ITC) cuts 30% off your total cost.
A typical 5 kW system in Illinois costs about $15,649 before incentives. This price is slightly lower than the national average, making solar an attractive option in the state.
Your final cost will depend on factors like roof type and equipment quality. Remember, these figures are averages, and your actual price may differ.
Consider getting quotes from several installers to find the best deal. They can also help you choose the right system size for your energy needs.
Factors That Influence Solar Panel Costs in Illinois
When you're considering solar panels in Illinois, several key factors affect the price. These elements can impact your overall investment and potential savings.
Equipment Type and Quality
The type of solar panels you choose plays a big role in your costs. Monocrystalline panels are more efficient but pricier. Polycrystalline panels cost less but don't produce as much energy.
Higher quality panels last longer and perform better. They might cost more upfront but can save you money over time.
You'll also need to factor in other equipment. Inverters, mounting hardware, and batteries all add to the total price.
Some brands offer premium features like advanced monitoring. These extras can increase your initial investment.
System Size and Energy Needs
Your energy usage determines how many panels you'll need. The more electricity you use, the larger your system should be.
A typical Illinois home uses about 8,451 kWh of electricity per year. This is 20% lower than the U.S. average.
Larger systems cost more but can cover all your energy needs. Smaller systems are cheaper but might not fully offset your electric bill.
You'll want to look at your past electric bills. This helps you figure out the right system size for your home.
Installation and Labor Costs
Labor costs can vary widely across Illinois. Urban areas like Chicago often have higher rates than rural regions.
The complexity of your installation affects labor costs. Simple roof setups are quicker and cheaper to install.
Tricky installations, like those on slate roofs or with complex wiring, take more time. This drives up the labor costs.
Some companies offer package deals that include both equipment and installation. These can sometimes save you money overall.
Permitting and Interconnection
You'll need permits to install solar panels in Illinois. These costs vary by city and county.
Interconnection fees allow you to connect to the power grid. Your utility company might charge for this service.
Some areas have streamlined permitting processes. This can reduce both time and costs for your project.
Be sure to check with your local government about specific requirements. This helps avoid unexpected fees or delays.
Solar Incentives and Rebates Available in Illinois
Illinois offers several incentives to make solar more affordable. The federal solar tax credit is a big help.
You can claim 30% of your installation costs as a federal tax credit. This significantly reduces your upfront expenses.
Illinois has a solar renewable energy credit (SREC) program. You can earn money by selling these credits.
Some utilities offer rebates for going solar. These can provide additional savings on your system.
Check the Database of State Incentives for Renewables & Efficiency for up-to-date information. It lists all available incentives in Illinois.
Local programs may offer extra benefits. These can include property tax exemptions or low-interest loans.
Are Solar Panels Worth It in Illinois?
Investing in solar panels can be a smart move for Illinois homeowners. You'll see significant savings on your electric bills over time.
The average cost of solar panels in Illinois ranges from $12,772 to $17,280 for a 5 kW system. While this may seem steep, consider the long-term benefits.
Most Illinois solar systems pay for themselves in about 11 years. After that, you'll enjoy free electricity for the rest of the system's life.
Solar panels typically last 25-30 years. This means you could see 15-20 years of pure savings after the payback period.
To maximize your benefits, get quotes from multiple installers. Compare prices and equipment quality to find the best deal.
Remember, solar is a long-term investment. While upfront costs are high, the savings add up quickly over time.
FAQs About Illinois Solar Panels Cost
Can you get solar panels for free in Illinois?
You might qualify for no-cost solar panels through the Illinois Solar for All program. This initiative helps low-income households access solar energy. You'll enjoy reduced energy bills if you meet the eligibility criteria.
Does Illinois have a solar tax credit?
While Illinois doesn't offer a state-specific solar tax credit, you can benefit from the federal Investment Tax Credit. This allows you to claim 30% of your solar installation costs on your federal taxes.
How much does it cost to install solar panels in Illinois?
Solar panel installation costs in Illinois vary based on system size and equipment type. For a 5 kW system, you can expect to pay around $15,026 on average.
Do solar panels increase home value in Illinois?
Installing solar panels can boost your home's value in Illinois. Buyers often view energy-efficient homes more favorably. The impact of solar on home value can lead to a good return on investment when selling.
How to finance solar panel installation in Illinois?
You have several options to finance your solar installation. These include cash purchases, solar loans, leases, and Power Purchase Agreements. Each option has its own pros and cons.
How long does it take for solar panels to pay for themselves in Illinois?
The payback period for solar panels in Illinois typically ranges from 6 to 10 years. Your energy savings and received incentives can affect this timeline.
What is the difference between net metering and Smart Solar Billing?
Net metering gives you credits for excess electricity your solar panels generate. Starting January 1, 2025, Smart Solar Billing will replace net metering. This new system will change credit values and expiration terms.