Solar Panel Cost Per Watt by State 2026: Complete Price Comparison
The cost of solar panels in the United States varies significantly from state to state, ranging from $2.25 per watt in sunny, competitive markets like Arizona and Texas to $3.50+ per watt in states with less solar infrastructure like Alaska and North Dakota. In 2026, the national average sits at approximately $2.75 per watt before the 30% federal tax credit, bringing the effective cost down to about $1.93 per watt. This guide breaks down solar costs state by state, explains what drives the price differences, and helps you calculate your actual out-of-pocket cost after incentives.