SolarData USA

Massachusetts vs Connecticut - Solar Energy Comparison

MA

Massachusetts

Installations
140,908
Capacity
3,954 MW
Avg Cost
$4.31/W
System Size
28.1 kW
CT

Connecticut

Installations
54,917
Capacity
914 MW
Avg Cost
$4.03/W
System Size
16.6 kW

Detailed Comparison

MetricMassachusettsConnecticut
Total Installations140,90854,917
Total Capacity (MW)3,954914
Avg Cost ($/W)$4.31$4.03
Median Cost ($/W)$4.17$3.78
Avg System Size (kW)28.116.6
Residential %92%87%

Massachusetts - Cost Trend ($/W)

Massachusetts Cost per Watt

200120032005200720092011201320152017201920212023

Connecticut - Cost Trend ($/W)

Connecticut Cost per Watt

20042006200820102012201420162018202020222024

Verdict: Which State Is Better for Solar?

Massachusettsedges ahead overall
  • Massachusetts has more installations (140,908 vs 54,917)
  • Connecticut has lower average cost ($4.03/W vs $4.31/W)
  • Massachusetts has more total capacity (3,954 MW vs 914 MW)

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

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