ThePowerPayback
Southwest · Data reviewed July 2026

Solar savings & payback in New Mexico

New Mexico runs about 15¢/kWh with full retail net metering (1:1). Enter your bill for a payback estimate tuned to local rates and sun, no federal tax credit assumed (it expired at the end of 2025).

Avg electricity rate
15¢/kWh
Solar generation
~5 kWh/kW/day
Net metering
Full retail net metering (1:1)
Export credit
Full retail (1:1)

State incentive: 10% state solar tax credit (capped at $6,000) plus superb sun.

Slide, or type the exact amount from your last bill.

Exclude chimneys, shaded corners, and obstructions (~65 sq ft per kW).

Adjust assumptions (tariff & install cost)

Defaults are approximate averages for New Mexico. Get an installer quote to confirm your exact cost.

Net metering credits exported power against what you draw from the grid. Rates vary by state, California's NEM 3.0 pays much less for exports than 1:1 states.

How New Mexico compares to the US average

Three numbers decide most of your payback. Here's where New Mexico sits against the national picture.

Electricity rate

15¢/kWh

US average: 17¢/kWh

-12% vs US avg

Cheaper power means each solar kWh saves less

Solar generation

~5 kWh/kW/day

US average: ~4.5 kWh/kW/day

+11% vs US avg

More sun per panel than the US average

Typical payback

10.2 years

US average: 10.6 years

-4% vs US avg

Faster than the US average on a $150 bill

Solar cost & savings by system size in New Mexico

Computed with New Mexico's rate (15¢/kWh), sun (~5 kWh/kW/day), and full 1:1 net metering, at the 2026 national benchmark of ~$2.75/W with no federal credit.

System sizeInstalled costGeneration/moAnnual savingsPayback
4kW~$11,000~600 kWh~$1,080~10.2 yrs
6kW~$16,500~900 kWh~$1,620~10.2 yrs
8kW~$22,000~1,200 kWh~$2,160~10.2 yrs
10kW~$27,500~1,500 kWh~$2,700~10.2 yrs

Savings assume a home large enough to use this output. Figures last reviewed July 2026,size a system from your actual bill instead.

How exports are paid in New Mexico

Full retail net metering.

Policies change often, always confirm current rules with your utility or at DSIREbefore deciding.

City-level calculators in New Mexico

Sun varies within the state, these pages tune the generation estimate to each metro's solar resource.

New Mexico solar FAQs

Is solar worth it in New Mexico in 2026?

For a typical $150/month bill, we estimate a New Mexico system pays for itself in about 10.2 years, with no federal tax credit assumed (the residential credit expired at the end of 2025). At 15¢/kWh with full retail net metering (1:1), the case is workable but depends on your roof, usage pattern, and quotes.

How much does a solar system cost in New Mexico?

At 2026 benchmark prices (~$2.75/W), a 6kW system runs about $16,500 installed, generating roughly 900 kWh a month in New Mexico's sun. Local quotes vary 20-40% between installers, so always collect several.

What is the net metering policy in New Mexico?

Full retail net metering.

Does New Mexico have a state solar incentive?

10% state solar tax credit (capped at $6,000) plus superb sun. Since the federal residential credit ended in 2025, state and utility incentives are the main upfront help available.

How many solar panels do I need in New Mexico?

A 6.5 kW system suits a typical $150/month bill in New Mexico, that's roughly 16 modern 425W panels needing about 423 sq ft of unshaded roof. Enter your own bill in the calculator above for a precise size.