Solar Panels Cost $9.9k-$19k in Twin Falls County, ID | November, 2024
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How much do solar panels cost in Twin Falls County, ID in 2024?
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In Twin Falls County, ID, the cost per watt of solar systems averages $3.56 per watt in November, 2024.
It will cost you $3,560, on average, per 1000 watts (1 kW) your solar system is able to generate. After receiving the 30% federal tax credit, a 5 kW panel install in Twin Falls County will cost approximately $12,460. It's important to note that a more powerful system could be needed to cover your energy consumption.
To the left, you have the option to select your county and see the typical roof size along with the average maximum capacity for residential solar in homes in your area. See below a full outline of the {price|costs, payback period, and 20-year average savings for a 5 kW system in your county.
Average out-of-pocket cost for a 5 kW system The upfront amount spent to buy and install solar.
Twin Falls County: $12,460US Average: $12,523
Average Payback Period The number of years until you break even on the solar investment.
Twin Falls County: 9 yearsUS Average: 7 years
Average Net 20-year savings The total amount of money saved over 20 years minus the out-of-pocket cost.
Twin Falls County: $8,590US Average: $16,169
Solar Potential in Twin Falls County
Estimated system size and solar electricity production per median viable roof in Twin Falls County.
Roof size 769sq. ft.
Capacity 10.75kW DC
Electricity 15.3kkWh AC per yr.
Electricity Costs in Twin Falls County, ID & What that Means for Your Solar Panel Pricing
The average electricity bill for a Twin Falls County resident is 109.96, with a monthly consumption of 927 kWh. Petite homes, such as bungalows and apartments, are also encompassed by the figures mentioned in the former sentence.
For November 2024, the mean electricity rate in Twin Falls County, ID is 11.86¢ per kWh.
Currently, an 8 kW solar setup will cost you roughly $28,480at first, but thanks to the federal tax credit, you receive 30% back, bringing the cost down to $19,936.
Go Solar for less than your cell phone bill.
Average solar panel costs by system size in Twin Falls County
Shown on the left, you will find a price breakdown for multiple solar panel system sizes set up in Twin Falls County. Naturally, with a more extensive solar system, there will be a greater initial expense, but the advantages include more electricity savings and larger income tax credits.
In the calculator provided to the right and below, you will find a breakdown of solar panel costs and benefits, calculated with an average $109.96 electric bill for Twin Falls County. To get results more personalized, adjust the $109.96 to align with your typical electricity bill.
System Size
Roof Size Min. space required
Electricity Value Annual Production
Est. Price
System Size 4kW
Roof Size Min. space required
286 ft²
Electricity Value Annual Production $758 a year
Est. Price
$9,968
Savings from a 4kWthis system
Est. yearly production 6,314 kWh
Est. monthly savings $63
Full payback in 8 years
Environmental Impacts
Reduces CO2 emissions by 0.2 tons a year
Equivalent to planting 9 trees a year
Equivalent to driving 498 mi less a year
System Size 5kW
Roof Size Min. space required
358 ft²
Electricity Value Annual Production $947 a year
Est. Price
$12,460
Savings from a 5kWthis system
Est. yearly production 7,893 kWh
Est. monthly savings $79
Full payback in 9 years
Environmental Impacts
Reduces CO2 emissions by 0.25 tons a year
Equivalent to planting 12 trees a year
Equivalent to driving 623 mi less a year
System Size 6kW
Roof Size Min. space required
429 ft²
Electricity Value Annual Production $1,137 a year
Est. Price
$14,952
Savings from a 6kWthis system
Est. yearly production 9,472 kWh
Est. monthly savings $95
Full payback in 11 years
Environmental Impacts
Reduces CO2 emissions by 0.3 tons a year
Equivalent to planting 14 trees a year
Equivalent to driving 747 mi less a year
System Size 7kW
Roof Size Min. space required
501 ft²
Electricity Value Annual Production $1,326 a year
Est. Price
$17,444
Savings from a 7kWthis system
Est. yearly production 11,050 kWh
Est. monthly savings $110
Full payback in 13 years
Environmental Impacts
Reduces CO2 emissions by 0.35 tons a year
Equivalent to planting 16 trees a year
Equivalent to driving 868 mi less a year
System Size 8kW
Roof Size Min. space required
572 ft²
Electricity Value Annual Production $1,515 a year
Est. Price
$19,936
Savings from a 8kWthis system
Est. yearly production 12,629 kWh
Est. monthly savings $110
Full payback in 15 years
Environmental Impacts
Reduces CO2 emissions by 0.35 tons a year
Equivalent to planting 16 trees a year
Equivalent to driving 868 mi less a year
Twin Falls County Solar Panel Installation Incentives & Rebates | 2024
For rural small businesses and farms, the REAP Grant could provide funding that covers between 80% and 100% of the necessary expenses for installing renewable energy systems. Curious if you fall into this category? Check your eligibility with our REAP Grant eligibility tool.
Most residents can qualify for a 30% federal income tax credit for residential solar, making it a feasible option in numerous areas of the United States. A variety of regional and state programs exist to encourage solar energy adoption.
In Idaho, different utilities and government organizations offer 7 solar rebate and incentive initiatives.
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 Twin Falls County, ID?
If you're planning to stay in your home past the period required to pay back your solar investment, installing solar panels is a smart decision in Twin Falls County. Installing a 5 kW solar system in Twin Falls County, ID will, on average, save you $13,930.4 over 20 years, and you can expect to break even in about 9 years.
The cost of not having solar panels in Twin Falls County, ID
Beyond missing out on the savings noted above, the absence of solar panels or another backup energy solution leads to total dependency on your electric utility for power. As illustrated by recent news, total dependence on your utility is not always the best option.
Over the last few years, the utilities in Twin Falls County have had about 1.16 outages per customer each year. The typical duration of each outage is 142.53 minutes. When significant events such as lightning strikes, grid management errors, or planned maintenance occur, these time frames can become much longer.
View the graphic below to see the number of current electricity customers without power in Twin Falls County.
Whether a backup battery is included or not, a solar panel system could ease the pressure of possible future outages.
Power Outages
Currently, 0 customers are being tracked in Twin Falls County.
What impacts the cost of solar panels in Twin Falls County, ID?
Your Energy Needs - With larger solar panel systems, the cost per watt decreases, despite the higher upfront expense. Many people find it useful to install a solar energy system that can replace their entire electric bill. This results in greater savings.
Make & Model - There are a variety of makes and models of solar panels and mounting equipment. The contractor’s preference for system makes it important to choose a reputable contractor. Higher grade models usually provide an enhanced long-term experience for the buyer.
Solar Panel Type - Monocrystalline panels have taken over as the standard in the industry, and it's not hard to see why. These panels cost more but offer a higher energy efficiency. The majority of installers in the industry work with panels constructed of this material.
Your Property - Every property and home is distinct. Trees, rough terrain, or other challenges can make the installation more difficult. Nowadays, the majority of solar installers can leverage satellite imagery to assess your home and include these aspects into the preliminary cost estimate.
Labor Rates - The pay that various companies offer their employees differ, and these costs are borne by the consumers. Companies paying more to their employees frequently get higher reviews for their work and customer service.
Permitting & Interconnection - Local permitting and utility interconnection fees, which differ by area, will affect your installation cost. That said, experienced local installers will be able to incorporate these numbers into your initial quotes so there are no surprises.
See what solar panels cost in other Twin Falls County cities
Solar systems for selling electricity back to the grid.
Consulting on all things solar related.
Twin Falls County, ID Solar Panel Cost FAQs
In Twin Falls County, ID, the mean cost per watt for solar panels as recorded in November, 2024 is $3.56/W. Installing a 5 kW solar panel system in Twin Falls County, ID will cost approximately $12,460 after applying the federal tax credit.
Residents of Idaho can currently take advantage of 7 rebates and incentives offered by various utilities and government bodies. Additionally, the vast majority qualify for the 30% federal tax credit.
Paying cash provides the highest savings, but there are now several financing options for solar panels that are also cost-effective. Many installers work with financing partners and will provide this information in your initial quotes.
Yes, on average, the return on investment for 5 kW solar panel systems in Twin Falls County, ID is achieved in 9 years, with electricity savings amounting to $13,930.4 over 20 years.
Savings from 
Environmental Impacts 
