Utility / operator
Massachusetts Electric Co
792 recorded solar installations interconnected by Massachusetts Electric Co — mostly in Massachusetts.
Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.
Installations interconnected
792
Total capacity
1.4 GW
DC nameplate
States
3
Median size
781.5 kW
Median $/W
$2.55/W
pre-incentive
Third-party owned
0%
lease / PPA
Growth
Installations by year
2010
3
2011
6
2012
23
2013
38
2014
39
2015
37
2016
38
2017
84
2018
43
2019
40
2020
79
2021
82
2022
34
2023
68
2024
110
2025
49
2026
5
Latest records
Most recent recorded installs
| Date | Location | Size | $/W | Segment |
|---|---|---|---|---|
| Feb 9, 2026 | Boston, MA | 11 kW | — | COM |
| Feb 9, 2026 | Boston, MA | 11 kW | — | COM |
| Feb 3, 2026 | Boston, MA | 3.7 kW | — | COM |
| Jan 13, 2026 | Boston, MA | 18.9 kW | — | COM |
| Jan 9, 2026 | Boston, MA | 18.9 kW | — | COM |
| Dec 5, 2025 | Boston, MA | 7.7 kW | — | COM |
| Dec 4, 2025 | Boston, MA | 60 kW | — | COM |
| Nov 13, 2025 | Boston, MA | 8.7 kW | — | COM |
| Nov 11, 2025 | Boston, MA | 64.9 kW | — | COM |
| Oct 31, 2025 | Boston, MA | — | — | COM |
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Service geography
- New York
- 19
Frequently asked questions
How many solar installations has Massachusetts Electric Co interconnected?
PanelCensus records 792 installations interconnected by Massachusetts Electric Co, from Jan 1, 2010 to Feb 9, 2026, totalling 1.4 GW of capacity across 3 states. Coverage varies by state, so actual totals may be higher.
Where does Massachusetts Electric Co operate?
Most recorded activity is in Massachusetts (772), New York (19), Rhode Island (1).