SolarData USA

Texas vs Arizona - Solar Energy Comparison

TX

Texas

Installations
204,286
Capacity
2,252 MW
Avg Cost
$3.92/W
System Size
11.0 kW
AZ

Arizona

Installations
293,541
Capacity
7,216 MW
Avg Cost
$4.47/W
System Size
24.6 kW

Detailed Comparison

MetricTexasArizona
Total Installations204,286293,541
Total Capacity (MW)2,2527,216
Avg Cost ($/W)$3.92$4.47
Median Cost ($/W)$3.87$4.07
Avg System Size (kW)11.024.6
Residential %27%99%

Texas - Cost Trend ($/W)

Texas Cost per Watt

20042006200820102012201420162018202020222024

Arizona - Cost Trend ($/W)

Arizona Cost per Watt

2000200320052007200920112013201520172019202120232024

Verdict: Which State Is Better for Solar?

Arizonaedges ahead overall
  • Arizona has more installations (293,541 vs 204,286)
  • Texas has lower average cost ($3.92/W vs $4.47/W)
  • Arizona has more total capacity (7,216 MW vs 2,252 MW)

Note: The best state for solar depends on your specific situation, including roof orientation, local utility rates, and available financing.

View full Texas solar dataView full Arizona solar data

Source: LBNL Tracking the Sun / U.S. Department of Energy