Solar Panel Cost in Kansas: $2.64/W, 22.1-Year Payback

Solar in Kansas costs about $21,120 for 8 kW at $2.64/W and pays back in roughly 22.1 years at 15.3¢/kWh with the federal credit at $0.

Updated September 2026 · Source: EIA Electric Power Monthly Table 5.6.A (July 2026 data) · next EIA update ~Oct 23

By SolarCostData Data Desk · Reviewed September 2026 · Corrections log

On this page: CalculatorTableHow we calculatedSources

Jump to calculator ↓

Why this number

Solar panels in Kansas cost about $2.64 per watt — $21,120 for a typical 8 kW system — and pay back in roughly 22.1 years at the state’s 15.3¢/kWh average rate, with the 2026 federal credit at $0. Net billing pays exports below retail here.

Everything below uses Kansas’s real average residential electricity rate (15.3¢/kWh, EIA) and a production band of about 1,455 kWh per kW per year. Both are stated openly because they are the two inputs that decide the answer. These are estimates for sanity-checking a quote, not a quote.

Run it with your own numbers

Why Kansas’s payback lands where it does

Kansas’s average rate rose about six percent to 15.3 cents per kilowatt-hour this July from 14.46 cents a year earlier, putting the state at rank 34 of fifty, a fairly ordinary spot for the Plains. A strong yield of 1,455 kilowatt-hours per installed kilowatt — Kansas gets genuinely good sun — helps offset that mid-pack rate, but the payback still runs to 22.1 years. Evergy Kansas Central, the largest of the state’s Evergy operating companies with nearly 342,000 residential customers, prices at 14.3 cents, a bit below the state average, while its sister company Evergy Metro runs lower still at 13.1 cents. Kansas compensates exports under net billing rather than full retail, so a household’s own consumption pattern, and which Evergy rate it pays, matters more to the real payback than the export credit does, even though the statewide average tells a single, simpler story.

Electric utilities in Kansas

The state average hides real spreads between utilities. The largest residential utilities EIA-861 lists for Kansas, with each one’s own average bundled residential price (2024 — revenue ÷ sales, the audited annual figure, not this month’s tariff):

Your utility decides Kansas’s real number — the ZIP lookup finds it in three clicks; the 2024 annual utility averages above sit apart from the June-2026 monthly 15.3¢ state figure.

Kansas’s rate, the last 24 months

July 2025 → July 2026: 14.46¢ → 15.27¢. The rate tracker has every month against the US average.

An 8 kW system in Kansas, priced out

The $2.64/W used above comes from EnergySage marketplace quotes (August 2026). Those are quotes in a competitive online market, not signed contract prices.

Read that table with one caveat: $2.64/W is Kansas’s market average, and it is the input most likely to differ for you. A quote $0.50 per watt above or below the $2.64 used here moves the payback by roughly a year and a half in either direction.

How much sun Kansas actually gets

A kilowatt of panels in Kansas produces about 1,455 kWh a year on an unshaded, south-facing roof at a 20-degree pitch. Sites that swap Kansas’s 1,455 kWh for a single national average are how Arizona and Washington end up with identical paybacks despite a 1.6x real difference in output.

That figure is a five-point cluster around Kansas’s largest metro area, which keeps it representative of where most people actually live rather than of the state’s best site.

Two adjustments matter before you apply this to your own roof:

• Shading and orientation. The 1,455 kWh figure assumes an unobstructed south-facing array. A real Kansas roof — its own azimuth and pitch, a tree or a chimney — typically produces 10-25% less; this page models 90% of the ideal, so the 10,476 kWh/year above is already derated from 11,640. A genuinely unshaded south roof can adjust upward in the calculator.
• Year-to-year weather moves output by roughly ±5% either way.

Why Kansas’s ranking is better than its price suggests

Here is the part a rate table alone will not tell you. Kansas ranks 34th of 50 on electricity price, but 26th on what a kilowatt of panels actually earns in a year — because a kW here produces about 1,455 kWh, well above what a cloudier state manages. Sunshine moves Kansas up 8 places. Anyone ranking states purely by electricity price is understating this one. Its immediate neighbors on price are South Dakota (15.4¢) just above and North Carolina (15.2¢) just below.

South Carolina is Kansas’s closest comparable-rate analogue — 15.5¢/kWh, roughly 1,385 kWh per kW, and a payback within about a year of this one (22.6 vs 22.1 years). If you find Kansas quotes hard to sanity-check, South Carolina numbers are broadly transferable.

Net billing: the rule that decides solar in Kansas

Kansas does not credit exports at the retail rate — this is net billing , not net metering. The program is K.S.A. 66-1265, in force since 2014-07-01, and it credits surplus power at an assumed 4.6¢/kWh, about 30% of retail, because no per-kWh figure is published — against a retail rate of 15.3¢.

Because a typical Kansas home uses only about 40% of its generation as it is produced, most of what the panels make is sold at 4.6¢. That is why the payback above is 22.1 years rather than the 12.8 years the same hardware would return under full-retail net metering. Raising self-consumption — a battery (worth its own arithmetic: is a home battery worth it? ), an EV charged in daylight, daytime occupancy — is the lever that closes the gap. Whether a Kansas buyer should own a battery or take a lease/TPO deal is priced in the battery buy vs. TPO calculator .

A capacity-sizing rule took effect 1 July 2026.

One limit worth knowing: this reflects investor-owned, state-regulated utilities; Kansas’s municipal utilities and co-ops are exempt in most cases and set their own terms.

What is actually left in Kansas

The 30% federal credit ended for systems completed after December 31, 2025, so it is $0 here as everywhere. What remains is state, utility and local — and it varies far more than the federal rule ever did.

Kansas offers no state-level solar tax credit or rebate. Utility-level rebates, and the tax exemptions below, are where any remaining help comes from — those are set locally, so DSIRE and your own utility are the places to look.

Tax exemptions

Property tax is exempt for 10 years (permanent for those who applied before 2016), after which the added value becomes assessable.

If that list looks thin, it is — the solar incentives hub shows which states still put real money on the table, and where Kansas sits among them.

Is solar worth it in Kansas at 15.3¢/kWh?

Kansas is the interesting kind of case: an unremarkable 15.3¢ rate rescued by genuinely strong sun. At about 1,455 kWh per kW — well above the national planning figure — output volume compensates for what each unit is worth.

At a horizon that long, owning the roof is not the only route to cheaper power. Community solar versus rooftop walks through the subscription alternative — no roof, no loan, and no 22.1-year wait — which is worth reading before committing capital in a market like Kansas’s.

If you want a fast gut check before running the numbers above, the should-I-go-solar screener asks the four questions that matter most in a mid-rate state like Kansas.

Two numbers put that in context. At Kansas’s rate, the electricity an 8 kW system would produce is worth about $928 a year, so the system costs roughly 22.8 years of that output to buy outright — a simple division, before costs. The headline 22.1-year figure above is the full model: it additionally counts 2.5%/yr rate inflation, $150/yr of running costs and one inverter replacement, which is why the two differ slightly. And doing nothing is not free: 25 years of that same electricity, with rates rising at 2.5% a year, comes to about $54,652.

For a 15-year payback in Kansas — given its sunshine rather than a national average — the electricity rate would need to be about 13.8¢/kWh. Kansas is at 15.3¢, which is above that line.

Sources and method

• Electricity rate: U.S. Energy Information Administration, average price by state — EIA Table 5.6.A, July 2026 data (released Sep 2026). Rate shown is Kansas’s residential average.
• Production: PVGIS v5.2 with the PVGIS-NSRDB radiation database, 1,455 kWh/kW for a five-point cluster around Kansas’s largest metro, then the 90% real-roof factor; the assumptions, the ERA5 cross-check and the attribution are on the methodology page .
• Incentives: DSIRE — Database of State Incentives for Renewables & Efficiency, NC Clean Energy Technology Center. Verify current amounts and fund status before relying on them.
• Federal credit status: IRS, Residential Clean Energy Credit . See our 2026 energy tax credit guide .
• Payback model: shared with the solar savings calculator — 2.5%/yr utility inflation, 0.5%/yr degradation, federal credit $0.

Kansas’s rate (15.3¢, EIA Table 5.6.A, July 2026 data (released Sep 2026)), export regime, production factor, installed cost and programs were last verified on 25 September 2026; Kansas’s export credit resets on its tariff cycle and incentive budgets run out mid-year, so confirm current terms before acting. Not tax or financial advice.

Frequently asked questions

How we calculated this

Worked for Kansas: 8 kW × 1,000 × $2.64/W = $21,120 gross (federal credit $0, so net before state incentives); 10,476 kWh a year × the blended kWh value at 15.3¢ retail and 4.6¢ export ≈ $928 year-1 saving; payback ≈ $21,120 ÷ $928 = 22.1 years with 2.5%/yr rate growth, 0.5%/yr degradation and one inverter replacement in the 25-year model.

Sources: U.S. Energy Information Administration (EIA) electricity rates · DSIRE incentive records · public IRS/OBBBA guidance. Figures are modeled estimates, not quotes or tax advice. See our methodology.

States with a comparable tariff picture

• Why is my electric bill so high? — Splits a bill jump into weather, rate and usage — with Kansas’s own EIA rate history built in.
• Electricity rate tracker — Kansas’s last 24 months of EIA rates, charted against the US average.
• Find your rate by ZIP — Kansas averages hide utility gaps — look yours up from EIA-861 in three clicks.
• Net metering by state (2026 table) — Every state’s export regime with program, date and source — the rule behind Kansas’s payback.
• Solar panel cost in North Carolina — Same export regime at 15.2¢/kWh and a 21.4-year payback — the closest tariff comparison to Kansas.
• Solar panel cost in Arizona — Same export regime at 15.4¢/kWh and a 16.9-year payback — the closest tariff comparison to Kansas.
• Solar panel cost in South Carolina — Same export regime at 15.5¢/kWh and a 22.6-year payback — the closest tariff comparison to Kansas.