Solar · Published 2026-09-01
Arizona vs New Mexico: Where Going Solar Costs Less
Solar in Arizona ($21,600) vs New Mexico ($22,000) — a 2% gap between neighbors, from July 2026 data.
Arizona and New Mexico share a border, but for a home solar installation the numbers diverge: Arizona averages $21,600 (rank #1 of 50) and New Mexico averages $22,000 (rank #4) — a 2% gap.
| Arizona | New Mexico | |
|---|---|---|
| 8 kW system, installed | $21,600 | $22,000 |
| Cost per watt | $2.70 | $2.75 |
| Electricity rate | 12.8¢/kWh | 12.8¢/kWh |
| Peak sun hours/day | 6.5 | 6.4 |
| Typical state incentive | $1,000 | $6,000 |
Arizona in context
Arizona is one of the cheapest states in the country for a home solar installation, ranking #1 of 50 at $21,600 — about 11% below the national average.
New Mexico in context
New Mexico is one of the cheapest states in the country for a home solar installation, ranking #4 of 50 at $22,000 — about 10% below the national average.
Full local breakdowns: Arizona · New Mexico.
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