Is Solar Worth It in New Mexico in 2026?
New Mexico has the best sun of any state we cover. High altitude — Albuquerque sits around 5,300 feet — means thinner air with less haze and scattering, so a rooftop system here produces about 1,859 kWh per installed kilowatt per year, ahead of every other state page in this series. Add roughly 278 sunny days a year and it's easy to see why New Mexico markets itself as solar country.
But 2026 changed the deal, and you deserve the honest version. The 30 percent federal tax credit that used to erase nearly a third of the cost ended for systems completed after December 31, 2025. What's left is a 10 percent state tax credit and a sales tax exemption — real money, but not enough alone to make the math as easy as the marketing suggests. The twist isn't the sun, it's the price: New Mexico's electricity rates are among the lowest in the Mountain West, so every kWh your roof makes is worth less than the same kWh in a high-rate state. Best production in the country next to below-average rates nets a typical payback of roughly 8.5 to 10 years — solid, but a real number, not a sales pitch.
New Mexico Electricity Prices
Solar is a bet on future electricity prices: every kilowatt-hour your roof makes is one you don't buy from the utility. Here's the trend, from federal EIA data.
Full New Mexico electricity price data (1990–2025)
| Year | New Mexico (¢/kWh) | US avg (¢/kWh) |
|---|---|---|
| 1990 | 8.9 | 7.8 |
| 1991 | 9.1 | 8.0 |
| 1992 | 9.1 | 8.2 |
| 1993 | 9.2 | 8.3 |
| 1994 | 9.1 | 8.4 |
| 1995 | 8.9 | 8.4 |
| 1996 | 8.9 | 8.4 |
| 1997 | 8.9 | 8.4 |
| 1998 | 8.9 | 8.3 |
| 1999 | 8.6 | 8.2 |
| 2000 | 8.4 | 8.2 |
| 2001 | 8.7 | 8.6 |
| 2002 | 8.5 | 8.4 |
| 2003 | 8.7 | 8.7 |
| 2004 | 8.7 | 9.0 |
| 2005 | 9.1 | 9.5 |
| 2006 | 9.1 | 10.4 |
| 2007 | 9.1 | 10.7 |
| 2008 | 10.0 | 11.3 |
| 2009 | 10.0 | 11.5 |
| 2010 | 10.5 | 11.5 |
| 2011 | 11.0 | 11.7 |
| 2012 | 11.4 | 11.9 |
| 2013 | 11.7 | 12.1 |
| 2014 | 12.3 | 12.5 |
| 2015 | 12.5 | 12.7 |
| 2016 | 12.0 | 12.6 |
| 2017 | 12.9 | 12.9 |
| 2018 | 12.7 | 12.9 |
| 2019 | 12.5 | 13.0 |
| 2020 | 12.9 | 13.2 |
| 2021 | 13.5 | 13.7 |
| 2022 | 13.8 | 15.0 |
| 2023 | 13.9 | 16.0 |
| 2024 | 14.2 | 16.5 |
| 2025 * | 15.1 | 17.3 |
Source: US EIA, average residential retail electricity price. Values in cents per kWh. * 2025 is preliminary.
New Mexico homes paid about 15.1¢ per kWh in 2025 (EIA preliminary), up roughly 65 percent since 2005 — a steady climb, averaging about 1.9 percent a year over the last decade. That's slower than the storm-surcharge spikes some coastal states have seen, but still a one-way ratchet: a rate growing 1.9 percent a year doubles in about 36 years, longer than most solar warranties but shorter than a system's useful life. Cheap-by-comparison rates are exactly why New Mexico's payback runs longer than its sun alone would suggest — and why locking in your own generation still has value even at a modest rate.
The New Mexico Sun, Month by Month
Panels care about how high the sun climbs and how long it stays up, not the air temperature. At 34.8°N, New Mexico sits at a comfortable mid-latitude — not as far south as Florida, but far enough that winter sun angles stay workable, and the thin, dry high-altitude air does the rest of the work other states can't buy.
New Mexico monthly solar production data
| Month | kWh per installed kW |
|---|---|
| Jan | 147 |
| Feb | 143 |
| Mar | 170 |
| Apr | 173 |
| May | 171 |
| Jun | 159 |
| Jul | 153 |
| Aug | 157 |
| Sep | 150 |
| Oct | 162 |
| Nov | 145 |
| Dec | 130 |
| Year | 1859 |
Source: NREL PVWatts typical-year estimate (Albuquerque), per installed kW at latitude tilt.
April is New Mexico's best production month (index 173) — long spring days, a high sun angle, and air that hasn't yet picked up summer's monsoon humidity. December is the slowest (index 130) as expected at this latitude, but even New Mexico's weakest month beats a cloudier state's summer peak. If your bills run highest in summer for air conditioning, credits banked in that strong spring stretch carry forward to offset the months when your AC runs hardest.
What Solar Costs in New Mexico in 2026
Most New Mexico installs run about $2.70 to $2.75 per watt before incentives — slightly above the national average, reflecting a smaller local installer base than California or Florida. A typical ~9.9 kW system runs roughly $26,700 to $27,225 before any credits. With the federal credit gone, that quote is close to what you'll actually negotiate.
| System Size | Typical 2026 Cost | Roughly Offsets | Fits |
|---|---|---|---|
| 5 kW | $13,500 to $13,750 | ~9,300 kWh/yr (~$117/mo at 15.1¢) | Smaller home, lower usage |
| 8 kW | $21,600 to $22,000 | ~14,900 kWh/yr (~$187/mo) | Average New Mexico home |
| 12 kW | $32,400 to $33,000 | ~22,300 kWh/yr (~$281/mo) | Large home, heavy AC or heat-pump use |
The gross receipts tax exemption and the 10 percent state credit both apply on top of these figures, so your real out-of-pocket cost runs lower than sticker price — see the incentives section below. Prices vary by roof complexity and installer, so compare price per watt across at least three quotes.
Estimate Your New Mexico Payback
The calculator below is set to New Mexico's average electricity rate and Albuquerque's typical sun production. Enter your own monthly power bill to see your estimated system size, payback period, and 25-year savings. New Mexico rates have grown about 1.9 percent a year over the last decade — a reasonable starting value for the inflation field, and you can drag it up or down to test a faster- or slower-growing future.
New Mexico Solar Incentives in 2026
Let's separate what's gone from what survived.
- 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 an installer's pitch still assumes it, that's a sign the rest of their numbers are stale too.
- Still here — the Solar Market Development Tax Credit (SMDTC): A state income tax credit equal to 10 percent of purchase-and-installation cost, capped at $6,000 per taxpayer, and refundable — any amount above what you owe is paid out as a refund. It covers systems installed 2020 or later and remains available through 2031, per EMNRD. It draws from a $30 million annual statewide cap, so it's first-come, first-served — check current allocation status with EMNRD, and get your building-inspection certification and eligibility certificate before claiming it.
- Still here — sales tax exemption: Solar equipment is exempt from New Mexico's gross receipts tax.
- Still here — property tax exclusion: The added home value from solar is excluded from your property tax assessment, so panels raise your home's value without raising your tax bill.
- 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 — sometimes that shows up as a lower lease rate, sometimes it just pads their margin.
Watch for: a bill to raise the SMDTC to 30 percent with a $15,000 cap has been introduced in the state Senate but was not enacted as of this writing — treat it as proposed only.
Net Metering: The PNM Small PV Program
Net metering credits you for the extra power your panels send back to the grid, so production you don't use immediately isn't wasted. Under Public Regulation Commission Rule 17.9.570, New Mexico's regulated utilities must offer net metering to systems under 10 kW; municipal utilities and co-ops aren't required to but many do.
PNM, the state's largest utility, runs this as two tiers, and the line between them matters. The Small PV Program (10 kW or under) banks your excess generation as a credit that never expires and rolls over at the full retail rate, up to 100 percent of your annual use — anything beyond that is paid at PNM's lower avoided-cost "Rate 12." Cross into the Large PV Program above 10 kW and everything you export is instead paid monthly at that same lower Rate 12, with no retail-rate banking. That's a real cliff edge, so if your usage is borderline, it's often better to undersize slightly and stay under 10 kW than to chase a bigger system that drops your export value. If your roof or budget pushes toward a bigger system anyway, pricing out a battery for evening self-consumption sidesteps the export-rate question, since power you use yourself is worth full retail either way.
Community Solar: An Option If Your Roof Doesn't Work
Not every home is a good rooftop candidate — renters, shaded lots, and north-facing roofs are common here. New Mexico's Community Solar program (Rule 17.9.573) lets you subscribe to a share of a local solar farm for a bill credit instead. It's mid-rulemaking in 2026 under PRC Docket 24-00258-UT, a separate proceeding from the net metering rule above — don't confuse the two. Ask your utility whether a subscription is available in your area; it won't match owning a rooftop system, but it's a real option where rooftop isn't.
How to Go Solar in New Mexico
Work through these steps in order before you commit.
- Pull your last 12 power bills and find your average monthly cost — the higher it is, the more you stand to save.
- Check that your roof faces south, east, or west and is mostly free of shade. Read our roofing guide if you're unsure how to judge orientation.
- Get at least three quotes and compare price per watt, equipment, and warranties, making sure each one reflects 2026 reality with no phantom federal credit baked in.
- Size your system deliberately around the 10 kW net metering threshold rather than defaulting to "as big as the roof allows."
- Confirm your electrical panel can handle the interconnection, and check EMNRD's current SMDTC allocation status before assuming the state credit will be there when you file.
- Compare each quote's payback against how long you plan to stay in the home. At 8.5 to 10 years, payback now roughly matches average homeownership length.
For the full picture of sizing and buying versus leasing, read our main solar panels guide — this page covers what's specific to New Mexico.
Sources
Figures on this page are 2026-current and come from primary sources. Rates: US EIA, Electric Sales, Revenue, and Average Price (2025 values preliminary). Federal credit repeal: IRS — Residential Clean Energy Credit and Congressional Research Service IN12611. State tax credit: EMNRD Solar Market Development Tax Credit and EMNRD FAQ. Proposed credit expansion: Novogradac coverage of the pending NM Senate bill. Net metering: PNM Solar Interconnection Benefits and Net metering in New Mexico. Community solar rulemaking: Beveridge & Diamond coverage of PRC Docket 24-00258-UT. Cost per watt: EnergySage New Mexico Solar Data. Production estimates: NREL PVWatts. We review these figures every six months.