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Is Solar Worth It in New Mexico in 2026?

Complete analysis of solar costs, incentives, net metering, and payback for New Mexico homeowners — without the federal ITC.

Cost Per Watt

$2.90

installed

Electricity Rate

$0.123

per kWh

Payback (No ITC)

16.8 yr

current reality

Payback (With 30% ITC)

11.7 yr

hypothetical

25-Year ROI

49%

return on investment

Incentive Breakdown — New Mexico

Available incentives for a typical 7kW residential solar system in New Mexico

Federal ITC (25D)

Expired

The federal solar Investment Tax Credit expired on January 1, 2026. No federal credit available for new installations.

State Tax Credit

$2,030

New Mexico offers a state income tax credit of 10% of system cost, up to $6,000 for residential solar.

SREC Market

Not Available

New Mexico does not have a traditional SREC market.

Property Tax Exemption

Solar system value excluded from property tax assessment

Sales Tax Exemption

No statewide sales tax exemption for solar

Key Incentives: State tax credit worth $2,030; Property tax exemption for solar.

Solar Math — With vs Without Federal ITC

Cost breakdown for a typical 7kW residential system in New Mexico

2026 Reality (No Federal ITC)

System Size
7 kW
Cost per Watt
$2.90/W
Gross Cost
$20,300
Federal ITC
$0
Net Cost
$20,300
Annual Savings
$1,210/yr
Payback Period
16.8 years

Hypothetical (With 30% ITC)

System Size
7 kW
Cost per Watt
$2.90/W
Gross Cost
$20,300
Federal ITC (30%)
-$6,090
Net Cost
$14,210
Annual Savings
$1,210/yr
Payback Period
11.7 years

Impact: Without the federal ITC, New Mexico homeowners face a 5.1-year longer payback period — paying $6,090 more out of pocket.

Net Metering Policy — New Mexico

How New Mexico compensates your excess solar production

NEM 1.0 Full Retail Net Metering

Full retail rate net metering — you earn the same rate you pay for electricity. Best case for solar savings.

New Mexico mandates net metering at full retail rate for systems up to 80 MW under PRC rules.

Cost Per Watt Benchmark — New Mexico

New Mexico Average

$2.90/W

National Average

$3.05/W

Typical 7kW System

$20,300

$2.00/W $3.50/W $5.00/W

New Mexico's average installed cost is below the national average of $3.05/W

Breakeven Timeline

Without the federal ITC, a typical 7kW system in New Mexico breaks even in 16.8 years. With the former 30% ITC, payback would drop to 11.7 years.

Without Federal ITC

16.8

years to break even

With Former 30% ITC

11.7

years to break even

Production Details

Peak Sun Hours5 hrs/day
Production1405 kWh/kW/yr
Annual Production$9,837 kWh
Annual Savings$1,210

Ready to Go Solar in New Mexico?

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