Solar · Published 2026-08-28
Mississippi vs Tennessee: Where Going Solar Costs Less
Solar in Mississippi ($22,000) vs Tennessee ($22,800) — a 4% gap between neighbors, from July 2026 data.
Mississippi and Tennessee share a border, but for a home solar installation the numbers diverge: Mississippi averages $22,000 (rank #3 of 50) and Tennessee averages $22,800 (rank #14) — a 4% gap.
| Mississippi | Tennessee | |
|---|---|---|
| 8 kW system, installed | $22,000 | $22,800 |
| Cost per watt | $2.75 | $2.85 |
| Electricity rate | 11.2¢/kWh | 11.8¢/kWh |
| Peak sun hours/day | 5.0 | 4.8 |
| Typical state incentive | $0 | $0 |
Mississippi in context
Mississippi is one of the cheapest states in the country for a home solar installation, ranking #3 of 50 at $22,000 — about 10% below the national average.
Tennessee in context
Tennessee lands in the affordable middle of the pack at #14 of 50, averaging $22,800 — about 7% below the national average.
Full local breakdowns: Mississippi · Tennessee.
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