Solar Panels Cost $0k-$0k in Lewis County, ID | February, 2025
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How much do solar panels cost in Lewis County, ID in 2025?
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Going solar averages out to $0/W in the month of February, 2025 in Lewis County, ID.
It will cost you $0, on average, per 1K (or 1000 watts) of capacounty that your solar panels have. After the 30% federal tax credit, the average expense for a 5 kW panel install in Lewis County is approximately $0. Please keep in mind that a more powerful system might be essential to fully meet your energy needs.
On the left side, select your county to discover the typical roof size and the maximum capacity of solar panel systems for homes in your area. Displayed below is an analysis of the costs, payback period, and 20-year average savings for a 5 kW system installed in your county.
Average out-of-pocket cost for a 5 kW system The upfront amount spent to buy and install solar.
Lewis County: $0US Average: $12,523
Average Payback Period The number of years until you break even on the solar investment.
Lewis County: 0 yearsUS Average: 7 years
Average Net 20-year savings The total amount of money saved over 20 years minus the out-of-pocket cost.
Lewis County: $33,149US Average: $16,301
Solar Potential in Lewis County
Estimated system size and solar electricity production per median viable roof in Lewis County.
Roof size 787sq. ft.
Capacity 11kW DC
Electricity 15.3kkWh AC per yr.
Electricity Costs in Lewis County, ID & What that Means for Your Solar Panel Pricing
Lewis County households typically consume 1,130 kWh each month and have an average monthly electric bill around 138.12. Smaller houses, including condos and duplexes, are also encompassed in the statistics mentioned in the previous sentence.
In February 2025, the mean electricity rate in Lewis County, ID amounts to 12.22¢ per kWh.
Presently, a 9 kW solar system will be priced at around $0at first, but thanks to the 30% federal tax credit, you get a 30% reimbursement, reducing the total to $0.
Go Solar for less than your cell phone bill.
Average solar panel costs by system size in Lewis County
Displayed on the left side, you'll see a detailed cost summary of the multiple sizes of solar panel systems installed in Lewis County. The investment for a more extensive solar panel setup is larger, but it also yields more significant electricity savings and more substantial income tax credits.
Using the solar panel cost calculator positioned down and to the right, you can view a detailed cost and benefit analysis based on an average electric bill of $138.12 in Lewis County. Change the $138.12 with your average electricity bill to get customized results.
System Size
Roof Size Min. space required
Electricity Value Annual Production
Est. Price
System Size 5kW
Roof Size Min. space required
358 ft²
Electricity Value Annual Production $947 a year
Est. Price
$0
Savings from a 5kWthis system
Est. yearly production 7,893 kWh
Est. monthly savings $79
Full payback in 0 years
Environmental Impacts
Reduces CO2 emissions by 1.22 tons a year
Equivalent to planting 56 trees a year
Equivalent to driving 3,019 mi less a year
System Size 6kW
Roof Size Min. space required
429 ft²
Electricity Value Annual Production $1,137 a year
Est. Price
$0
Savings from a 6kWthis system
Est. yearly production 9,472 kWh
Est. monthly savings $95
Full payback in 0 years
Environmental Impacts
Reduces CO2 emissions by 1.46 tons a year
Equivalent to planting 67 trees a year
Equivalent to driving 3,623 mi less a year
System Size 7kW
Roof Size Min. space required
501 ft²
Electricity Value Annual Production $1,326 a year
Est. Price
$0
Savings from a 7kWthis system
Est. yearly production 11,050 kWh
Est. monthly savings $111
Full payback in 0 years
Environmental Impacts
Reduces CO2 emissions by 1.71 tons a year
Equivalent to planting 78 trees a year
Equivalent to driving 4,227 mi less a year
System Size 8kW
Roof Size Min. space required
572 ft²
Electricity Value Annual Production $1,515 a year
Est. Price
$0
Savings from a 8kWthis system
Est. yearly production 12,629 kWh
Est. monthly savings $126
Full payback in 0 years
Environmental Impacts
Reduces CO2 emissions by 1.95 tons a year
Equivalent to planting 90 trees a year
Equivalent to driving 4,830 mi less a year
System Size 9kW
Roof Size Min. space required
644 ft²
Electricity Value Annual Production $1,705 a year
Est. Price
$0
Savings from a 9kWthis system
Est. yearly production 14,207 kWh
Est. monthly savings $138
Full payback in 0 years
Environmental Impacts
Reduces CO2 emissions by 2.13 tons a year
Equivalent to planting 98 trees a year
Equivalent to driving 5,278 mi less a year
Lewis County Solar Panel Installation Incentives & Rebates | 2025
Rural entrepreneurs and farmers might find that the REAP Grant pays for 80% to 100% of their costs when installing photovoltaic or wind energy systems. Believe you might qualify? Use our REAP Grant eligibility tool to confirm your eligibility.
Installing residential solar panels comes with a 30% federal tax credit, accessible to most homeowners, making it a good option for many areas across the country. Additionally, there are numerous state and local incentives to further promote the adoption of solar energy.
Different utilities and governmental bodies in Idaho offer 7 solar rebate and incentive programs.
Solar incentives in IDIncentive Description Value
Questar Gas - Residential Energy Efficiency Rebate Programs
Value:Up to $50
Residential Questar Gas customers may be entitled to financial incentives for energy-efficient equipment or upgrades through the ThermWise program. Eligible projects will vary from time to time. Currently, HVAC and water heating/boiler systems, windows, insulation/weatherization, smart thermostats, and certain kitchen or laundry appliances may earn a rebate. To qualify, the equipment should conform to Questar's own standards and be installed by a participating program contractor. Additional information is available on the ThermSafe website.
Questar Gas - Home Builder Rebate Program
Value:Up to $50
Homebuilders in the Questar Gas service area are incentivized to follow energy-efficient building standards through the ThermSafe program. Rebates are offered for whole-house construction and specific parts and equipment. For the latter option, eligible projects will vary from time to time. Additional information and application forms are available from the ThermSafe website.
Questar Gas - Commercial Energy Efficiency Rebate Program
Value:Up to $75
Commercial Questar Gas customers may be entitled to financial incentives for energy-efficient equipment or building upgrades through the ThermWise program. Eligible projects will vary from time to time. Currently, HVAC and water heating systems, insulation/weatherization, and kitchen or laundry appliances may earn a rebate. The standard rebate amount is $1/saved therm for the first year, with a hard maximum of up to half of project costs. To apply, a business should submit a proposal with quantified details of expected gas usage reduction. Only projects approved with the proposal are eligible for incentives. Additional information is available from the ThermSafe website.
Idaho Power - Net Metering
Value:Varies
Idaho Power (IDP) is one of three Idaho utilities that may sign independent net metering contracts with renewable energy customers. Eligible generation technologies for net metering include solar, wind, biomass, fuel cell, and hydroelectric. At the beginning of the contract period, IDP will install or activate a bidirectional meter tracking net excess generation (NEG) sent back to the grid. Customers will receive monthly bill credits for NEG at a fixed rate. Should generation exceed consumption for a certain billing cycle, credits roll forward through the end of the year, at which point IDP will mail the customer a check for the outstanding amount. Certain capacity ceilings apply. Additional information is available through the IDP website.
Avista Utilities - Net Metering
Value:Varies
Avista Power is one of three Idaho utilities that may sign independent net metering contracts with renewable energy customers. Eligible generation technologies for net metering include solar, wind, biomass, fuel cell, and hydroelectric. At the beginning of the contract period, Avista will install or activate a bidirectional meter tracking net excess generation (NEG) sent back to the grid. Customers will receive monthly bill credits for NEG at a fixed rate. Should generation exceed consumption for a certain billing cycle, credits roll forward through the end of the year, at which point Avista will mail the customer a check for the outstanding amount. Certain capacity ceilings apply. Additional information is available through the Avista website.
Low-Interest Energy Loan Programs
Value:Varies
Residents and businesses in Idaho may be eligible for special financing on energy efficiency improvements through the State Energy Loan Program (SELP). Projects that qualify for loans include lighting, windows, insulation/weatherization, HVAC, certain large appliances, and new renewable energy systems (solar PV, small turbines, etc.) SELP applicants are subject to standard credit checks and must provide property or equipment collateral to secure the loan. Once approved, interest rates remain at 4% for a maximum 5-year payment term. A $100 (residential) or $250 (commercial) administrative fee must be paid between project approval and the credit check. Additional information is available from the Idaho Office of Energy Resources website.
Rocky Mountain Power - Net Metering
Value:Varies
Rocky Mountain Power is one of three Idaho utilities that may sign independent net metering contracts with renewable energy customers. Eligible generation technologies for net metering include solar, wind, biomass, fuel cell, and hydroelectric. At the beginning of the contract period, RMP will install or activate a bidirectional meter tracking net excess generation (NEG) sent back to the grid. Customers will receive monthly bill credits for NEG at a fixed rate. Should generation exceed consumption for a certain billing cycle, credits roll forward through the end of the year, at which point RMP will mail the customer a check for the outstanding amount. Certain capacity ceilings apply. Additional information is available through the RMP website.
Are solar panels worth it in Lewis County, ID?
For those in Lewis County intending to stay in their homes past the payback period of their solar system, solar panels make excellent sense. A 5 kW solar system in Lewis County, ID might save you an average of $33,148.8 over 20 years, with the break even point generally being 0 years.
The cost of not having solar panels in Lewis County, ID
Beyond missing out on the savings noted above, the absence of solar panels or an alternative backup energy solution leads to total dependency on your electric utility for power. As evidenced by recent news stories, full reliance on your utility company is not always ideal.
Each year, customers in Lewis County face about 1.39 outages. The average length of an outage is 99.5 minutes. However, during significant events such as lightning strikes, aging infrastructure, or wildlife damage, this duration can grow considerably.
View the graphic below to see the number of current electricity customers without power in Lewis County.
Installing a solar panel system, irrespective of whether it features a backup battery, could reduce the pressure of future outages you might encounter.
Power Outages
Currently, 0 customers are being tracked in Lewis County.
What impacts the cost of solar panels in Lewis County, ID?
Your Energy Needs - Though the initial cost of larger solar panel systems is larger, the price per watt diminishes as the system gets larger. It is often beneficial for consumers to set up a solar system that can produce enough electricity to offset their electric bill, which results in substantial savings.
Make & Model - Solar panels and mounting equipment, just like many other products, come in different makes and models. The installer’s preference for brand makes it essential to pick a reputable company. Better quality materials often result in a more positive long-term experience for buyers.
Solar Panel Type - There's a good reason why monocrystalline panels are now the industry standard. They have a higher price but are more efficient. Most solar panel installers use panels made of this type of material.
Your Property - Each property and home has its own characteristics. Factors like trees, uneven land, or other impediments can make the installation more challenging. With the use of satellite images, solar installers these days can evaluate your home and include these considerations into the first cost estimate.
Labor Rates - Various wages are offered to employees by various companies, and these costs are transferred to the consumers. Businesses paying more to their employees often garner higher reviews for their services and customer service.
Permitting & Interconnection - Your final installation price will be affected by the permitting and utility interconnection fees, which vary by area. Experienced local installers will include these figures in your initial estimates to guarantee transparency.
See what solar panels cost in other Lewis County cities
Go Solar for less than your cell phone bill.
Who are the best solar installers in Lewis County?
In February, 2025, the average cost of solar panels per watt in Lewis County, ID is $0/W. A 5 kW solar panel system will cost you around $0 in Lewis County, ID after the federal tax credit is applied.
There are 7 rebates and incentives available in Idaho from a range of utility providers and government organizations. Additionally, almost everyone is entitled to the 30% federal income tax credit.
Cash payments yield the greatest savings, but many financing options for solar panels that are cost-effective are now available. Many installers have financing partners and will provide this information in your initial quotes.
Yes, on average, 5 kW solar panels in Lewis County, ID pay for themselves in 0 years, with homeowners saving approximately $33,148.8 on electricity over 20 years.