Cost of Solar Panels in Idaho: Local Solar Installation Prices (2022)

Here’s a quick look at the estimated cost of solar in Idaho:

  • Average Cost Per Watt: $2.60
  • Cost of Average System: $19,240*
  • Cost of Energy Without Solar: $37,478
  • Payback Period: 16 Years**
  • Lifetime Savings of Going Solar: $11,478

*Average system size is calculated using data from the Energy Information Administration. This price is after tax credit.
**Payback period is calculated assuming the system is purchased in cash.

Ecowatch Author Karsten Neumeister

By Karsten Neumeister, Solar Expert

Updated 5/17/2022

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Find Cost Savings on Solar in Idaho

As a homeowner in Idaho, you may be wondering: How much do solar panels cost in your area? In this article, we’ll discuss the average cost of a solar installation, how much that can save you on energy for your home and what incentives are available in your region. If you want to jump straight to getting a quote for an installation, you can follow the links below to speak with a verified professional.

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Cost of Solar Panels in Idaho

The average cost of solar panels in Idaho is $2.60 per watt, which is slightly below the national average of $2.66 per watt. Idahoans enjoy lower electricity rates and have less demand for energy than much of the country, but most homeowners in the state still find that they need a 10-kilowatt system to offset their monthly electric bills of $95 per month.1 That comes out to an average of $26,000 to go solar before the 26% federal tax credit, or $19,240 after the credit.

Solar Panel System Installation Cost in Idaho

The size of the solar panel system you need will be the most significant factor when it comes to pricing out the equipment and labor. Each kilowatt you need to add to your system will tack on about $2,600 in Idaho. The table below shows some typical system sizes that get installed in Idaho, along with prices before and after the federal solar investment tax credit (ITC).

Size of Solar Panel System Idaho Solar Panel Cost Cost After Federal Tax Credit
7 kW $18,200 $13,468
8 kW $20,800 $15,392
9 kW $23,400 $17,316
10 kW $26,000 $19,240
11 kW $28,600 $21,164
12 kW $31,200 $23,088
13 kW $33,800 $25,012

Want to see a list of the most reputable solar providers in your area that can install an affordable, high-efficiency system? Click here.

What Determines the Cost of Solar Panels in Idaho?

As mentioned above, solar panel systems are priced primarily based on the size of the system you need to offset your electric bills. There are some other cost factors involved that you’ll need to consider if you want to estimate your total as accurately as possible.

Solar Equipment

The solar equipment you choose to install will play a major role in your total costs. The pieces of equipment you want to be included in your home solar project can add thousands or even tens of thousands of dollars to your solar panel installation cost. Nearly all residential solar panel setups include panels and inverters. But some homeowners in Idaho add solar batteries to the mix to provide power at night, electric vehicle chargers to charge their cars or other additional products. These will all bump up the cost of converting to clean energy.

The brand of solar equipment you select will also play a part in determining your total costs. If you choose the most affordable solar panels, for example, you’ll spend less now but could save less on your power bills going forward. If you instead opt for the most efficient solar panels and most cost-effective equipment — like Maxeon/SunPower panels and Tesla Powerwalls — you’ll be looking at significantly higher costs, although you stand to save more long-term.

Solar Financing

Solar financing allows Idaho residents to spread out the average $19,240 to go solar over many years, reducing the barrier to entry and making renewable energy far more accessible. However, financing comes with an interest rate, which means a solar loan will cost you more over time. Even low-APR loans can leave you with hundreds or thousands of dollars in interest paid over the loan term.

You can get a free quote from a solar installation company or financing company to figure out your all-in price over the life of the loan, and you can reduce your financing costs by putting as much money down as you’re comfortable doing. More money paid now means less paid in interest over time.

Solar Installation Company

Finally, the solar installation company you choose will have an effect on your cost of solar panels. As is the case with any industry, every company in the solar space will charge different prices for labor and equipment, even if the same job is done and the same technology is used. Some companies also base their pricing on the warranties they provide, so it’s wise to consider coverage that’s included in your total.

It’s also important to remember that the overall value you get from a company will depend, in some capacity, on the equipment installed. Companies that only work with high-quality and high-efficiency brands of equipment will naturally be more expensive, although higher costs for better equipment can often mean greater savings over time.

Idaho Solar Incentives

With the average price of a solar energy system sitting at a costly $26,000 in Idaho, many homeowners are relieved to find that there are several solar incentives available from the state and federal governments. These incentives aim to make solar power more accessible. We’ll discuss the incentives available to Idaho residents below. 

Idaho Solar Incentive How it Affects the Cost of Solar Panels in Idaho
Residential Alternative Energy Tax Deduction This statute allows taxpayers an income tax deduction of 40% of the cost of a solar panel system. Taxpayers can apply this 40% deduction in the year in which the system is installed and can also deduct 20% of the cost each year for three years thereafter. The maximum deduction in any one year is $5,000. The total maximum deduction is $20,000.
Idaho Solar Easements & Access Laws In 2019, Idaho passed HB 158, which states that a homeowners association may not limit or prohibit the installation of solar panels or collectors on any property rooftop or structure within its jurisdiction.
Property Tax Exemption for Wind, Solar and Geothermal Energy Producers Installing solar will increase your home value, which typically triggers property taxes to increase as well. The property tax exemption states that your property taxes will not increase as a result of installing a solar panel system. This can save Idaho homeowners thousands or even tens of thousands of dollars over time.
Net Metering Through net metering programs, you can send any excess power your panels produce back to the local grid in exchange for billing credits from your utility company. Net metering is not required by law in Idaho, but the three largest utilities in the state – Rocky Mountain Power, Idaho Power and Avista Utilities – currently offer net metering incentives to their customers.
Local Solar Rebates & Incentives Utility companies and local governments may offer their own programs or rebates. For example, the Rocky Mountain Power Wattsmart residential efficiency program lets you save on products that increase your home’s energy efficiency, ultimately helping you eliminate electric bills and improving the value of your home and solar system.
Federal Solar Tax Credit The federal solar investment tax credit (ITC) is available to residents nationwide, including those in Idaho. This credit is applied to your federal income taxes owed, and it totals 26% of your entire solar system cost. In Idaho, where the typical system is $26,000, that’s an average credit of $6,760.

Idaho Installed Solar System Costs in 2022 By Panel

Solar panel brands vary in efficiency, overall quality, durability and price, so not every brand will suit every Idaho homeowner. The table below provides a list of some of the best solar panel brands available in Idaho, along with relative pricing to help you decide which brands might work for you.

Solar Panel Brand Average Cost Per Watt ($-$$$$$)
LG Solar $$$
Canadian Solar $$
JA Solar $$
Mission Solar $$
Panasonic $$
Q Cells $$
REC $$$
Silfab $$$
SunPower $$$$$
Tesla $$
Trina Solar $$$

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People Also Ask 

EcoWatch FAQ: Solar Panel Cost Idaho

At EcoWatch, we get questions from Idaho residents daily about the cost of going solar and what to expect throughout the process. Below are some of the questions we see most often, along with our responses.

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Karsten Neumeister

Solar Expert

Karsten Neumeister is a solar energy specialist with a background in writing and the humanities. Before joining EcoWatch, Karsten worked in the renewable energy sector of New Orleans, focusing on solar energy policy and technology. A lover of music and the outdoors, Karsten might be found rock climbing, canoeing or writing songs when away from the workplace.

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