Solar · Published 2026-08-30
Delaware vs Pennsylvania: Where Going Solar Costs Less
Solar in Delaware ($24,800) vs Pennsylvania ($24,800) — a 0% gap between neighbors, from July 2026 data.
Delaware and Pennsylvania share a border, but for a home solar installation the numbers diverge: Delaware averages $24,800 (rank #30 of 50) and Pennsylvania averages $24,800 (rank #37) — a 0% gap.
| Delaware | Pennsylvania | |
|---|---|---|
| 8 kW system, installed | $24,800 | $24,800 |
| Cost per watt | $3.10 | $3.10 |
| Electricity rate | 13.8¢/kWh | 14.8¢/kWh |
| Peak sun hours/day | 4.4 | 4.4 |
| Typical state incentive | $1,000 | $1,000 |
Delaware in context
Delaware sits in the pricier half of the country at #30 of 50, averaging $24,800 — about 2% above the national average.
Pennsylvania in context
Pennsylvania sits in the pricier half of the country at #37 of 50, averaging $24,800 — about 2% above the national average.
Full local breakdowns: Delaware · Pennsylvania.
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