Solar Panel Cost, Savings & Installation Data
Estimate your system without a sales form, then compare 3,426,466 public installation records across 27 covered jurisdictions.
3,426,466Observed Records27Jurisdictions in Dataset$4.18/WAvg Cost
Observed Records
3,426,466
Residential & commercial
Avg Cost per Watt
$4.18/W
Median $3.96/W
Total Capacity
54,721 MW
92% residential
Avg System Size
16 kW
8% commercial
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Use transparent assumptions, then compare the result with observed public records.
Solar Cost Trend (2000 – 2023)
Observed average installed cost per watt; partial years are excluded
Avg Cost per Watt
Largest Markets in the Dataset
Ranked by observed installation records, not overall solar quality
1
California
- Observed Records
- 1,921,220
- Observed Avg Cost
- $4.46/W
- Reported Capacity
- 17,997 MW
2
Arizona
- Observed Records
- 293,541
- Observed Avg Cost
- $4.47/W
- Reported Capacity
- 7,216 MW
3
Texas
- Observed Records
- 204,286
- Observed Avg Cost
- $3.92/W
- Reported Capacity
- 2,252 MW
4
New Jersey
- Observed Records
- 192,243
- Reported Capacity
- 4,092 MW
5
New York
- Observed Records
- 161,816
- Observed Avg Cost
- $4.47/W
- Reported Capacity
- 7,765 MW
6
Massachusetts
- Observed Records
- 140,908
- Observed Avg Cost
- $4.31/W
- Reported Capacity
- 3,954 MW
7
Colorado
- Observed Records
- 108,882
- Observed Avg Cost
- $4.37/W
- Reported Capacity
- 1,101 MW
8
Illinois
- Observed Records
- 61,031
- Observed Avg Cost
- $6.90/W
- Reported Capacity
- 1,326 MW
9
Connecticut
- Observed Records
- 54,917
- Observed Avg Cost
- $4.03/W
- Reported Capacity
- 914 MW
10
New Mexico
- Observed Records
- 53,058
- Observed Avg Cost
- $4.95/W
- Reported Capacity
- 433 MW
Installation Growth
Annual solar installations over the past 5 years
269.1K269,067 installations2019
281.8K281,782 installations2020
343.4K343,393 installations2021
448.4K448,420 installations2022
483.6K483,584 installations2023
Explore Covered Solar Markets
Review costs, installation trends and modeled economics for jurisdictions included in the source dataset.
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