Solar Calculator for New Mexico: Costs, Incentives & ROI
New Mexico ranks among the most solar-favorable states in the United States, combining one of the strongest solar resources on the continent — averaging approximately six to six and a half peak sun hours per day across most of the state — with a highly supportive policy framework that includes one-to-one retail-rate net metering, a complete property tax exemption for residential solar installations, and a state-level Solar Market Development Tax Credit of ten percent of system cost up to six thousand dollars. New Mexico's 1:1 retail-rate net metering, established under New Mexico Public Regulation Commission Rule 17.9.568 and repeatedly reaffirmed as one of the most homeowner-friendly compensation structures in the nation, ensures that every kilowatt-hour exported to the grid earns a full retail-rate credit — typically thirteen to fifteen cents per kilowatt-hour depending on the serving utility. PNM, the Public Service Company of New Mexico, is the state's largest investor-owned utility, serving approximately sixty percent of New Mexico residential customers including the Albuquerque and Santa Fe metro areas. El Paso Electric serves southern New Mexico communities including Las Cruces and Deming. Xcel Energy New Mexico serves eastern New Mexico communities including Clovis, Hobbs, and Roswell. The Kit Carson Electric Cooperative serves the Taos region. New Mexico's combination of world-class solar irradiance, strong net metering policy, state tax credit, and property tax protection creates a financial environment where residential solar payback periods of five to seven years are achievable for homeowners who combine the federal Investment Tax Credit with the state Solar Market Development Tax Credit and full-retail net metering — making New Mexico one of the most compelling solar markets in the country on a purely financial basis.
Incentive data updated: May 2026(may be outdated)
Average Solar Cost in New Mexico
Average installed solar costs in New Mexico typically range from $2.70 to $3.00 per watt before incentives, reflecting the state's competitive southwest installer market and relatively lower labor costs compared to coastal states. A standard six-kilowatt residential system costs approximately $16,500 to $18,500 before the federal Investment Tax Credit and state credit — below the national average and consistent with neighboring Arizona and Colorado. The thirty-percent federal ITC reduces the net installed cost to approximately $11,550 to $12,950 for a six-kilowatt system. New Mexico's Solar Market Development Tax Credit under NMSA 1978 § 7-2-18.31 provides an additional ten percent of system cost as a refundable credit against New Mexico personal income tax, capped at six thousand dollars per installation. For a six-kilowatt system costing seventeen thousand dollars before incentives, the state credit provides an additional seventeen hundred dollars in tax savings on top of the federal ITC — bringing the combined federal and state incentives to approximately six thousand seven hundred dollars in credits. The property tax exemption under NMSA 1978 § 7-36-7 exempts residential solar installations from property tax assessment, ensuring that the system's contribution to home value does not increase annual property tax obligations. One critical timing consideration: New Mexico's Solar Market Development Tax Credit operates under an annual aggregate program cap of twenty million dollars, and the program has historically reached this cap mid-year — sometimes as early as spring. Homeowners planning to claim the credit should file early in the calendar year and confirm with the New Mexico Taxation and Revenue Department that annual program capacity remains available. Systems installed in a year when the program cap is exhausted may be carried forward, but early filing maximizes the likelihood of receiving the current-year credit.
- Avg. installed cost
- $2.85/W
- Typical 6 kW system
- $16,500–$18,500
Top Solar Incentives in New Mexico
Live incentive data not currently available for New Mexico. See the federal incentive guidance via our Solar Tax Credit Calculator.
Electricity Rates in New Mexico
New Mexico residential electricity rates average approximately thirteen to fifteen cents per kilowatt-hour on a blended basis, consistent with the national average and slightly below the Mountain West regional average. PNM customers in the Albuquerque and Santa Fe metro areas typically pay rates in the thirteen to fifteen cent range, subject to periodic rate cases before the New Mexico Public Regulation Commission. PNM's integrated resource planning reflects increasing renewable energy commitments under New Mexico's Energy Transition Act, which mandates a carbon-free utility portfolio by 2045. El Paso Electric customers in southern New Mexico face similar rates, with the generation mix increasingly shifting toward renewable procurement. Xcel Energy New Mexico customers in the eastern part of the state pay rates consistent with Xcel Energy's Mountain West regional average. New Mexico's electricity rate environment creates meaningful solar economics — at thirteen to fifteen cents per kilowatt-hour with 1:1 retail net metering, each kilowatt-hour of solar self-consumption or export earns the same rate savings. The combination of exceptional irradiance and moderate rates produces strong annual savings that make solar financially compelling even at below-average system costs.
Peak Sun Hours in New Mexico
New Mexico boasts one of the strongest solar resources in the continental United States, averaging approximately six to six and a half peak sun hours per day on a south-facing tilted surface across most of the state. Albuquerque, located at approximately five thousand three hundred feet elevation in the Rio Grande valley, averages approximately six to six and a half peak sun hours per day, benefiting from high-altitude clarity and low average cloud cover that characterize the New Mexico plateau. Santa Fe, at seven thousand feet elevation in the Sangre de Cristo foothills, receives approximately six to six and a half peak sun hours per day — slightly affected by afternoon convective thunderstorms during the July through September monsoon season but otherwise exceptionally clear. Las Cruces in the Chihuahuan Desert averages approximately six and a half to seven peak sun hours per day and ranks among the highest-insolation locations in the contiguous US. Rio Rancho and Roswell in the southeastern Pecos Valley region both receive approximately six to six and a half peak sun hours per day. A six-kilowatt system in Albuquerque or Santa Fe typically produces approximately nine thousand to ten thousand kilowatt-hours per year — significantly more than the national average, directly translating into higher annual bill savings and shorter payback periods. This exceptional solar resource is a primary driver of New Mexico's favorable per-capita solar adoption rank.
Example ROI for a 6 kW System
- Estimated annual savings
- $1,300
- Payback period
- 6.0 years
- 25-year net savings
- $33,000
Run a personalized estimate with your ZIP code using the Solar ROI Calculator.
Major Cities in New Mexico
- Albuquerque87102
- Las Cruces88001
- Santa Fe87501
- Rio Rancho87124
- Roswell88201
Common Questions About Solar in New Mexico
How does New Mexico's 10% state solar tax credit work?
New Mexico's Solar Market Development Tax Credit under NMSA 1978 § 7-2-18.31 provides a refundable credit of ten percent of the total installed cost of a residential solar photovoltaic system against New Mexico personal income tax, capped at six thousand dollars per installation. The credit is refundable — if the amount exceeds your New Mexico income tax liability, the excess is paid to you as a refund rather than simply reducing your liability to zero, making it valuable even for households with modest state tax obligations. The ten percent credit stacks with the federal Investment Tax Credit of thirty percent, enabling qualifying homeowners to reduce installed system cost by forty percent through combined credits before considering net metering savings. A critical timing note: New Mexico's program operates under a statewide aggregate annual cap of twenty million dollars. The program has historically been exhausted mid-year — sometimes as early as March or April. Homeowners should file their New Mexico income tax return early and confirm with the Taxation and Revenue Department that program capacity remains available for their installation year.
Is solar property-tax exempt in New Mexico?
Yes. NMSA 1978 § 7-36-7 exempts the value of residential solar energy systems from property tax assessment in New Mexico. This means the increase in your home's assessed value attributable to a solar installation is excluded from property tax calculations, so your annual property tax bill will not increase as a result of installing solar. The exemption applies to solar photovoltaic systems and covers battery storage systems integrated with a solar installation. The property tax exemption is a statewide protection that does not require a local application or county-by-county opt-in — it applies automatically under New Mexico state law. Over a twenty-five-year system lifespan, the property tax exemption can represent meaningful cumulative savings, particularly in areas of New Mexico with higher property values such as Santa Fe County and parts of Bernalillo County, where a solar installation might add twenty thousand or more dollars in assessed home value that would otherwise be subject to local millage rates. The property tax exemption complements the state Solar Market Development Tax Credit and 1:1 retail-rate net metering to make New Mexico's solar policy framework one of the most homeowner-favorable in the United States.
What utility companies offer net metering in New Mexico?
New Mexico's four major utilities all offer net metering under New Mexico Public Regulation Commission Rule 17.9.568.13, which mandates 1:1 retail-rate net metering for residential solar systems up to eighty kilowatts in capacity. PNM, the Public Service Company of New Mexico, serves approximately sixty percent of New Mexico residential customers including Albuquerque and Santa Fe, and offers full retail-rate net metering crediting excess generation at PNM's residential retail rate — typically thirteen to fifteen cents per kilowatt-hour. El Paso Electric serves Las Cruces, Deming, and the southern New Mexico communities bordering the Texas state line, also offering retail-rate net metering under the same PRC rule. Xcel Energy New Mexico serves eastern New Mexico communities including Clovis, Hobbs, and Roswell, with retail-rate net metering consistent with PRC requirements. Kit Carson Electric Cooperative serves the Taos region and, as a member-owned cooperative subject to PRC jurisdiction, also provides net metering under Rule 17.9.568.13 for member-owned residential solar systems. New Mexico's net metering framework includes a provision that customers retain ownership of the Renewable Energy Certificates generated by their system unless they specifically contract to sell or transfer them to their utility — a customer-favorable default that distinguishes New Mexico from some states where utilities automatically claim RECs from net-metered systems.
When should I file for the New Mexico Solar Market Development Tax Credit?
File for the New Mexico Solar Market Development Tax Credit as early as possible in the calendar year following your solar installation. New Mexico's program operates under an annual aggregate cap of twenty million dollars statewide — a cap that has historically been reached mid-year, sometimes as early as February or March in high-installation years. Once the annual cap is exhausted, the New Mexico Taxation and Revenue Department will not approve new credit applications for that tax year. Homeowners who complete an installation should plan to file their New Mexico state income tax return early to claim the credit before the cap is reached. If you miss the annual cap, the credit may be carried forward to a subsequent year — but you would need to re-apply before the next cap is exhausted. Your solar installer or a New Mexico-licensed tax professional can advise you on the filing requirements and timing. Because the state credit of ten percent up to six thousand dollars is refundable and stacks with the federal ITC, missing the annual cap has real financial impact — early filing is strongly recommended.
Best Solar Installers in New Mexico
New Mexico requires solar photovoltaic installers to hold a GB-98 Solar PV Installer classification license issued by the New Mexico Regulation and Licensing Department (RLD) Construction Industries Division. Verify your installer's current GB-98 license status at the RLD CID public search portal before signing any contract. NABCEP certification is an additional quality indicator demonstrating national solar industry competency beyond the GB-98 state requirement. Requesting at least three competitive quotes from licensed, NABCEP-credentialed installers is recommended for New Mexico homeowners.
- Get at least 3 quotes from different installers to compare pricing and equipment.
- Check installer ratings with the BBB before signing a contract.
- Verify contractor licensing with New Mexico Regulation and Licensing Department (RLD) Construction Industries Division — GB-98 Solar PV Installer classification. Ask for proof of a 20–25 year panel warranty.
Top Utility Companies in New Mexico
PNM (Public Service Company of New Mexico)
Service area: Albuquerque, Santa Fe, Rio Rancho, Bernalillo County, central New Mexico
Tariff: tier-2, TOU
Residential rate: 13.0–15.0¢/kWh (as of 2026-05)
NEM program: NM PRC 1:1 Retail-Rate Net Metering (Rule 17.9.568.13)
El Paso Electric
Service area: Las Cruces, Deming, Dona Ana County, southern New Mexico
Tariff: tier-2
Residential rate: 13.0–15.0¢/kWh (as of 2026-05)
NEM program: NM PRC 1:1 Retail-Rate Net Metering (Rule 17.9.568.13)
Xcel Energy New Mexico
Service area: Clovis, Hobbs, Roswell, eastern New Mexico
Tariff: flat
Residential rate: 12.0–14.0¢/kWh (as of 2026-05)
NEM program: NM PRC 1:1 Retail-Rate Net Metering (Rule 17.9.568.13)
Kit Carson Electric Cooperative
Service area: Taos, Taos County, northern New Mexico cooperative territory
Tariff: flat
Residential rate: 13.0–15.0¢/kWh (as of 2026-05)
NEM program: NM PRC 1:1 Retail-Rate Net Metering for member-owned cooperatives (Rule 17.9.568.13)
Net Metering Policy in New Mexico
- Version
- NEM NEM-1.0
- Effective date
- 1999-01-01
- Buyback rate
- retail
- System size cap
- 80 kW
- Grandfathering
- No transition planned; NM PRC Rule 17.9.568.13 reaffirmed retail-rate NEM. All current and new residential interconnections receive 1:1 retail-rate compensation under the same NM PRC standard.
1:1 retail-rate net metering under NM PRC Rule 17.9.568.13; one of the best NEM policies in the US. Residential cap 80 kW. REC ownership remains with the customer by default unless the utility separately purchases RECs; customer retains full REC value absent a separate transfer agreement. No transition planned — NM PRC has reaffirmed retail-rate NEM.
Property Tax Exemption in New Mexico
- Status
- full
- Exemption
- 100%
- Applies to
- solar-pvstorage
NMSA 1978 § 7-36-7 — residential solar exempt from property tax assessment statewide; solar value added to home excluded from local property tax calculations. Also: NM Solar Market Development Tax Credit (NMSA § 7-2-18.31) — 10% of system cost refundable state income tax credit up to $6,000 cap. $20M/year aggregate program cap — program has historically reached cap mid-year; early filing strongly recommended each year.