Is Solar Worth It in Colorado in 2026?
Colorado sells itself on sun — roughly 115 clear days a year and a reputation as one of the brighter states outside the desert Southwest. The data backs it up: a Denver-area system produces about 1,641 kWh per installed kilowatt per year, and thin, dry air at altitude helps panels run efficient even in winter. March is the strongest month at 153 kWh/kW; December the slowest at 113 kWh/kW — a much smaller winter dip than cloudier states see.
But 2026 changed the deal everywhere, Colorado included. The 30 percent federal Residential Clean Energy Credit ended for installations completed after December 31, 2025 — there is no federal tax credit for a homeowner-owned system this year. Colorado never had a broad state income-tax credit for residential solar, so the state-level cushion here is thinner than elsewhere. What Colorado still offers — a 100 percent sales tax exemption, a 100 percent property tax exemption on the added value, strong retail-rate net metering, and utility rebates through Xcel Energy — helps, but doesn't replace a 30 percent federal credit. Expect payback in the neighborhood of 12 to 16 years on a typical Front Range roof at Xcel's roughly 15.9¢/kWh rate, not the 7 to 10 years installers were quoting through 2025. Solar can still make sense for a homeowner staying put and adding an EV or heat pump under Colorado's generous net-metering cap — but run your own numbers first.
Colorado Electricity Prices
Solar is a bet on where electricity prices go next, because every kilowatt-hour your roof makes is one you don't buy from Xcel or Black Hills. Colorado's residential rate sat around 15.9¢ per kWh in 2025 — up about 75 percent since 2005. Here's the full history, from federal EIA data.
Full Colorado electricity price data (1990–2025)
| Year | Colorado (¢/kWh) | US avg (¢/kWh) |
|---|---|---|
| 1990 | 7.0 | 7.8 |
| 1991 | 7.1 | 8.0 |
| 1992 | 7.2 | 8.2 |
| 1993 | 7.2 | 8.3 |
| 1994 | 7.4 | 8.4 |
| 1995 | 7.4 | 8.4 |
| 1996 | 7.5 | 8.4 |
| 1997 | 7.4 | 8.4 |
| 1998 | 7.5 | 8.3 |
| 1999 | 7.4 | 8.2 |
| 2000 | 7.3 | 8.2 |
| 2001 | 7.5 | 8.6 |
| 2002 | 7.4 | 8.4 |
| 2003 | 8.1 | 8.7 |
| 2004 | 8.4 | 9.0 |
| 2005 | 9.1 | 9.5 |
| 2006 | 9.0 | 10.4 |
| 2007 | 9.3 | 10.7 |
| 2008 | 10.1 | 11.3 |
| 2009 | 10.0 | 11.5 |
| 2010 | 11.0 | 11.5 |
| 2011 | 11.3 | 11.7 |
| 2012 | 11.5 | 11.9 |
| 2013 | 11.9 | 12.1 |
| 2014 | 12.2 | 12.5 |
| 2015 | 12.1 | 12.7 |
| 2016 | 12.1 | 12.6 |
| 2017 | 12.2 | 12.9 |
| 2018 | 12.2 | 12.9 |
| 2019 | 12.2 | 13.0 |
| 2020 | 12.4 | 13.2 |
| 2021 | 13.1 | 13.7 |
| 2022 | 14.2 | 15.0 |
| 2023 | 14.3 | 16.0 |
| 2024 | 14.9 | 16.5 |
| 2025 * | 15.9 | 17.3 |
Source: US EIA, average residential retail electricity price. Values in cents per kWh. * 2025 is preliminary.
That climb isn't a one-time spike — the last decade alone has run at roughly 2.7 percent a year, faster than general inflation. Front Range growth, grid modernization, wildfire-hardening spend, and the push toward electrifying heating and transportation all put upward pressure on rates. None of that guarantees the next 20 years look like the last 20, but a fast-growing state investing heavily in its grid is not one where power reliably gets cheaper — and every rate increase quietly improves solar's payback math after the fact.
The Colorado Sun, Month by Month
Panels respond to sun angle and day length, not air temperature, which is why a mile-high, high-latitude state like Colorado (about 39.6°N) still produces well. Denver sits far enough north that winter days are shorter and the sun stays lower than in Florida or Arizona — but altitude offsets some of that. Thinner air scatters and absorbs less sunlight before it reaches the panel, and cooler temperatures help efficiency, since PV output drops as cells heat up.
Colorado monthly solar production data
| Month | kWh per installed kW |
|---|---|
| Jan | 119 |
| Feb | 125 |
| Mar | 153 |
| Apr | 147 |
| May | 146 |
| Jun | 146 |
| Jul | 143 |
| Aug | 145 |
| Sep | 140 |
| Oct | 139 |
| Nov | 124 |
| Dec | 113 |
| Year | 1641 |
Source: NREL PVWatts typical-year estimate (Denver), per installed kW at latitude tilt.
March is the best month at 153 kWh/kW, riding high spring sun angles before summer thunderstorms cloud up some afternoons. December is the low point at 113 kWh/kW — real, but nowhere near the falloff cloudier, lower-altitude states see. If your bills spike with summer AC or a winter heat pump, net metering (more below) lets strong spring and fall production bank credits you draw down when you need them most.
What Solar Costs in Colorado in 2026
Colorado installs run roughly $2.50 to $3.00 per watt in 2026, with some aggregators citing a state average closer to $2.67/W. With the federal credit gone, the number an installer quotes is close to what you actually pay — no 30 percent haircut coming later.
| System Size | Typical 2026 Cost | Roughly Offsets | Fits |
|---|---|---|---|
| 5 kW | $12,500 to $15,000 | ~8,200 kWh/yr (~$109/mo at 15.9¢) | Smaller home, lower usage |
| 8 kW | $20,000 to $24,000 | ~13,100 kWh/yr (~$174/mo) | Average Front Range home |
| 12 kW | $30,000 to $36,000 | ~19,700 kWh/yr (~$261/mo) | Large home, EV or heat pump load |
The sales tax exemption on equipment (modules, inverters, racking, wiring — not labor or batteries) trims a few percent off, and the property tax exemption means a system that adds resale value won't add a cent to your tax bill. Get at least three quotes and compare price per watt — the spread between installers here is wide.
Estimate Your Colorado Payback
The calculator below starts from Colorado's average rate and Denver-area production. Enter your own monthly bill to see an estimated system size, payback period, and 25-year savings. Colorado's rate has climbed about 2.7 percent a year over the last decade — a reasonable starting point for the inflation field, though you can drag it up or down to stress-test the estimate.
Colorado Solar Incentives in 2026
- Gone — the 30 percent federal credit: The federal Residential Clean Energy Credit ended for installations completed after December 31, 2025, with no phase-out. If a pitch still nets a federal credit against your purchased system, that math is wrong.
- Still here — sales tax exemption: Solar modules, inverters, racking, and wiring are 100 percent exempt from Colorado sales and use tax under C.R.S. §39-26-724. Labor and battery storage devices are excluded.
- Still here — property tax exemption: The added value of a residential solar system up to 100 kW AC is fully exempt from property tax assessment, so panels raise your home's worth without raising your tax bill.
- Battery credit, expiring soon: A state tax credit for qualifying residential battery storage, commonly cited around 10 percent, is set to expire December 31, 2026 with no announced extension. Confirm the exact amount with the Colorado Department of Revenue — third-party sites disagree on specifics.
- Utility rebates — mainly Xcel: With no state income tax credit, most cash-back flows through Xcel Energy: the income-qualified Solar*Rewards rebate (roughly $1/W, about $5,000 on a 5 kW system) and the 2026 Battery Connect program ($350/kW of battery capacity, up to $5,000, opened May 21, 2026, in exchange for letting Xcel dispatch stored capacity up to 60 times a year). Municipal utilities like Fort Collins run their own smaller rebates.
- Partially — leases and PPAs: Third-party-owned systems can still capture a separate federal business credit (48E) through 2027, but it belongs to the leasing company, not you. It may lower your lease rate, or just pad their margin.
Net Energy Metering in Colorado
Net Energy Metering under C.R.S. §40-2-124 requires Colorado's investor-owned utilities — Xcel Energy and Black Hills Energy — to credit exported solar power at the full retail rate, not a discounted "avoided cost" rate. At Xcel's roughly 15.9¢/kWh, that's a genuinely strong export credit versus states that have moved to net billing. Credits carry forward month to month and get trued up annually, so unused summer credits aren't simply forfeited.
The more interesting detail is the cap: SB21-261 raised the net-metering ceiling to 120 percent of a customer's trailing annual consumption, replacing the old flat kW-based limit. That matters if you're sizing a system today but plan to add an EV charger or heat pump next year — usage won't hit the ceiling the moment your load rises, exactly the situation a lot of electrifying Colorado homes are in. On a municipal utility, confirm net-metering terms separately, since those aren't set by this state rule.
Hail Alley, Solar, and Your Insurance
Colorado's Front Range sits inside "Hail Alley," the highest large-hail-frequency corridor in North America, and the state consistently ranks among the leaders nationally in hail claims. Certified solar panels (UL 61730 / IEC 61730) are rated to survive hail 1 to 3 inches in diameter at impact speeds up to roughly 88 mph — the vast majority of Front Range storms.
Roof condition matters just as much as the panels — a hail-damaged or aging roof under an array means paying to remove and reinstall the system when the roof finally needs replacing. Check its real remaining life with our roofing guide before signing a solar contract, not after.
How to Go Solar in Colorado
Work through these steps in order.
- Pull your last 12 bills and calculate your true average monthly cost — Colorado bills swing more than people expect between seasons.
- Check your roof's orientation and shading; south-facing roofs with minimal shade perform best at this latitude.
- Confirm your roof has 10-plus years of remaining life, especially given Hail Alley's wear on shingles — replace first if it doesn't.
- Get at least three quotes and compare price per watt directly; the range here is wide enough that a bad quote can erase years of savings.
- Ask each installer which current rebates apply — Solar*Rewards, Battery Connect, or a municipal program — since eligibility and funding change year to year.
- Confirm with your insurer that hail is an explicitly covered peril at a limit reflecting your system's value, and check net-metering terms with your utility before signing.
- Planning an EV or heat pump soon? Mention it to your installer — the 120-percent-of-load net-metering cap makes it worth sizing for where usage is headed, not just today.
For the fundamentals — sizing, how panels work, buying versus leasing — read our main solar panels guide. Pair it with our electrical guide if you're also weighing panel upgrades for an EV charger or heat pump.
Sources
Rates: US EIA, Electric Sales, Revenue, and Average Price. Federal credit repeal: IRS — Residential Clean Energy Credit and CRS IN12611. Net metering: DSIRE #271 and Colorado PUC Electric Rules. State exemptions: DSIRE #3397, DSIRE #4210, Colorado Division of Property Taxation, and the Colorado Dept. of Revenue Sales & Use Tax Topics. Utility rebates: Xcel Solar*Rewards and Xcel Battery Connect. Cost estimates: EnergySage Colorado and SolarReviews Colorado. Production: NREL PVWatts. Reviewed every six months.