Solar Panel Cost After Tax Credit in 2026

What Does Solar Cost After Incentives in Each State?

Without a federal credit, your net cost depends on whether your state offers a credit or rebate. In most states it equals the installed price; in a handful, state programs take $500 to $6,150 off.

Net cost of an 8.2 kW system after state credits (2026) Baseline $24,600 ($3.00/W). Only the state income-tax credits listed here are modeled; production payments, utility rebates and tax exemptions are noted but not subtracted. State credits are limited by your state tax liability.

Chart summary: State credits move net cost by as much as $6,150 on this system. South Carolina shows the lowest figure ($18,450), but you use that credit over at least two tax years. New York and Hawaii follow at $19,600, and states without an income-tax credit stay at $24,600.

Rates and export rules matter as much as upfront incentives. In our New York model, the $19,600 net system saves about $2,056 in year one (22.4¢/kWh, 4.3 sun hours, full retail net metering), a payback of about 9.5 years. In our Texas model, the $24,600 system saves about $1,040 a year (13.8¢/kWh, no statewide net metering), about 23.6 years. See your state page for the full picture.

How Do Utility Rebates and Net Metering Change Your Real Cost?

Net metering usually matters more than any upfront incentive, because it decides how much of your bill a system removes every year for decades. Utility rebates and tax exemptions then trim upfront or ongoing cost.

How net-metering rules change year-1 savings in our model ($150/month bill) The offset percentages are our modeling assumptions for each type of rule, not measured results; the national 16.3¢/kWh rate is held constant.

With identical rates and price, export rules alone change modeled payback by about nine years, from 15.7 years under full retail net metering to 24.8 years with no statewide net metering.

Real results also reflect local rates and sunshine. California and Hawaii have some of the highest retail electricity rates in the country, which keeps paybacks shorter than the low-export row suggests. In those markets, a battery that stores midday solar for evening use often improves returns.

Utility rebates exist in some service territories, but they are usually capped and first-come, first-served. Check your utility’s current program page before signing.

Tax exemptions reduce cost without appearing on a quote. Sales-tax exemptions (for example Florida, Arizona, New York, Colorado) lower the upfront price, and property-tax exemptions (for example Texas, Florida, Arizona, Massachusetts) keep the value solar adds from raising your assessment. The net metering calculator shows how export rules affect your bill.

How Do You Calculate Your Actual Net Solar Cost?

Start with the installed price, subtract only the incentives you will actually receive, then compare the result with your year-1 bill savings. For a 2026 install, do not subtract any federal credit.

Step 1: Get the installed price. Multiply the quoted price per watt by the system size in watts, then compare it with the $3.00/W used in this guide.

Step 2: Subtract state credits. Apply your state’s percentage, respect the dollar cap, and check whether your state tax liability lets you use it in one year (South Carolina, for example, limits annual use).

Step 3: Subtract upfront rebates. Include only rebates that your utility or state has confirmed are funded and open.

Step 4: Estimate year-1 savings. Monthly bill × 12 × your bill offset (our model uses 0.87 for full retail, 0.70 for net billing, 0.60 for low export, 0.55 for no net metering).

Step 5: Divide. Net cost ÷ year-1 savings = simple payback.

Worked example: New York, 8.2 kW

Chart summary: The national model starts $24,600 in the red and breaks even around year 15, ending near $21,400 ahead at year 25. The New York example breaks even around year 9, sooner than its 9.5-year simple payback because rising rates increase later-year savings, and reaches about $50,500. Both lines assume electricity prices rise about 2.5% a year; with flat rates, savings are lower and payback is longer.

NY-Sun incentives, if available in your region, would lower net cost further. To run the same steps for your address and bill, use the solar savings calculator.

Sources: IRS OBBB FAQ (federal credit timing); SC Department of Revenue and NM Energy, Minerals and Natural Resources Department (state credit terms); DSIRE and state agencies (other state incentives, via our state data); EIA residential electricity prices; NREL PVWatts (production). Model details: methodology.