Solar panels installed on a residential home in Post Falls, ID

Solar Panel Cost in Post Falls, ID

Updated 2026 guide to solar panel prices, savings, and payback period in Post Falls.

Estimated Solar Savings

$2.90Cost Per Watt
$17,400Avg. System Cost
9Year Payback
$28,00025-Year Savings

Solar Panel System Costs in Post Falls, ID

Below are estimated costs for different solar panel system sizes in Post Falls, including the 30% federal solar tax credit.

System SizeCost Before IncentivesFederal Tax Credit (30%)Net CostEst. Annual Production
4 kW$11,600-$3,480$8,1206,862 kWh
6 kWMost Popular$17,400-$5,220$12,18010,293 kWh
8 kW$23,200-$6,960$16,24013,724 kWh
10 kW$29,000-$8,700$20,30017,155 kWh
12 kW$34,800-$10,440$24,36020,586 kWh

What Affects Solar Panel Cost in Post Falls?

The average cost of solar panels in Post Falls, ID is approximately $290/watt before incentives. For a typical 6kW residential system, that means a total cost of about $17,400 before the federal tax credit.

After applying the 30% federal Investment Tax Credit (ITC), your net cost drops to approximately $12,180.Post Falls homeowners typically see a payback period of 9 years and save an estimated $28,000 over 25 years.

Factors that affect your cost in Post Falls:

  • System size: Larger systems cost more but have a lower cost per watt
  • Equipment quality: Premium panels and inverters cost more but offer better efficiency
  • Roof complexity: Steep roofs, multiple levels, or shading can increase installation costs
  • Local labor rates: Installation costs vary within the Post Falls metro area
  • Local permits: Permitting costs and requirements vary by municipality in Post Falls
  • Incentives: State and local programs can significantly reduce your out-of-pocket cost
Beautiful home with solar panels in Post Falls, ID

Solar Incentives Available in Post Falls

Federal Solar Investment Tax Credit

30% Federal Tax Credit (ITC)

Idaho homeowners can claim the 30% federal ITC to offset solar installation costs.

30%

State & Local Incentives

Idaho Solar Tax Deduction

Tax Credit

Idaho offers a state income tax deduction for residential solar energy system installations.

40% deduction in year 1, then 20% per year for 3 years

Net Metering

Idaho requires utilities to offer net metering for residential customers. Idaho Power and other utilities provide net metering at varying rates.

Available

SRECs

Idaho does not have an SREC market or renewable portfolio standard with solar requirements.

Not Available
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Top Solar Companies in Post Falls, ID

Intermountain Wind and Solar

4.6(208 reviews)

Years in Business: 18

Service Area: Idaho

Phone: (801) 298-5255

Blue Raven Solar

4.5(1983 reviews)

Years in Business: 10

Service Area: Idaho

Phone: (844) 442-5029

EGT Solar Inc.

4.5(40 reviews)

Years in Business: 17

Service Area: Idaho

Phone: (208) 795-5170

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Solar Panel Cost FAQ - Post Falls, ID

The average cost of solar panels in Post Falls is approximately $2.90 per watt before incentives. A typical 6kW residential system costs about $17,400 before the 30% federal tax credit, bringing the net cost to around $12,180.

The typical payback period for solar panels in Post Falls is approximately 9 years. After that, you'll enjoy free electricity for the remaining 15-20+ years of your system's life, saving an estimated $28,000 over 25 years.

Post Falls homeowners can take advantage of the 30% federal solar tax credit, which reduces your system cost by 30%. Idaho also offers net metering, and various state-level incentive programs. Check our incentives page for the complete list.

Post Falls homeowners can save an estimated $28,000 over 25 years by going solar. Actual savings depend on your electricity usage, system size, roof orientation, and available incentives. With electricity rates averaging $0.10/kWh in Idaho, solar provides significant long-term savings.

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30%Federal Tax Credit
25+Year Savings
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