Utility / plant operator
Madison Energy Investments LLC
49 recorded solar installations interconnected by Madison Energy Investments LLC — mostly in Massachusetts.
At a glance
Madison Energy Investments LLC is a utility or plant operator with 49 recorded solar installations interconnected, totalling 186.3 MW (as reported), dated 2022 to 2025. It ranks 140th of 191 profiled utilities & plant operators by recorded volume. Most of its records are in Massachusetts (20%).
Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.
Growth
Installations by year
Latest records
Most recent recorded installs
| Date | Location | Size | $/W | Segment |
|---|---|---|---|---|
| Mar 1, 2026 | IL | 4,900 kW | — | UTILITY |
| Dec 1, 2025 | NY | 3,300 kW | — | UTILITY |
| Dec 1, 2025 | VA | 5,000 kW | — | UTILITY |
| Aug 1, 2025 | PA | 1,000 kW | — | UTILITY |
| Aug 1, 2025 | PA | 2,500 kW | — | UTILITY |
| Jul 1, 2025 | NY | 5,000 kW | — | UTILITY |
| Jun 1, 2025 | MA | 2,300 kW | — | UTILITY |
| Dec 1, 2024 | Clifton, ME | 6,400 kW | — | UTILITY |
| Dec 1, 2024 | Bassett, VA | 6,900 kW | — | UTILITY |
| Dec 1, 2024 | New Bedford, MA | 1,100 kW | $2.01/W | UTILITY |
See all 49 installations →searchable & filterable; export to CSV with a free account
Service geography
- Ohio
- 3
How does Madison Energy Investments LLC compare with other utilities & plant operators?
By recorded installations Madison Energy Investments LLC ranks 140th of the 191 utilities & plant operators with a full profile. Its median system is 2,400 kW, about 353 times the median of 6.8 kW for all recorded installations. Utilities & plant operators with similar recorded volume include SunEdison LLC (51), DTE ELECTRIC COMPANY (50) and Sierra Pacific Industries (50).
How has Madison Energy Investments LLC's installation volume changed?
The earliest dated installation interconnected by Madison Energy Investments LLC is from 2022. The busiest year on record is 2023, with 21 installations. 2025 has 6 recorded installations. The most recent dated record is from Mar 1, 2026.
Where are Madison Energy Investments LLC's solar installations?
Its recorded installations span 12 states: Massachusetts (10), Maine (6), California (5) and New Jersey (5). The places with the most records are Tifton, GA (2), Cherry Hill, NJ (1), Bridgewater, MA (1), Bourne, MA (1) and Allentown, PA (1).
Frequently asked questions
How many solar installations has Madison Energy Investments LLC interconnected?
PanelCensus records 49 installations interconnected by Madison Energy Investments LLC, from Jan 1, 2022 to Mar 1, 2026, totalling 186.3 MW of capacity across 12 states. Coverage varies by state, so actual totals may be higher.
Where does Madison Energy Investments LLC operate?
Most recorded activity is in Massachusetts (10), Maine (6) and California (5).
How large are Madison Energy Investments LLC's solar installations?
The median recorded installation is 2,400 kW, against 6.8 kW for all recorded installations; total recorded capacity is 186.3 MW.
When was Madison Energy Investments LLC's most recent recorded solar installation?
The latest dated record is from Mar 1, 2026. Public registers report with a lag, so newer installations may not appear yet.
Why does Madison Energy Investments LLC appear on rooftop solar records?
On distributed (rooftop and commercial) records the operator field names the utility the system interconnects with; on utility-scale plants it names the plant operator. Madison Energy Investments LLC's profile counts both.
Related utilities & plant operators and places
- All utilities & plant operators· 191 profiles
- Solar in Massachusetts· 10 interconnected by Madison Energy Investments LLC
- Solar in Maine· 6 interconnected by Madison Energy Investments LLC
- Solar in California· 5 interconnected by Madison Energy Investments LLC
- SunEdison LLC· 51 installations
- DTE ELECTRIC COMPANY· 50 installations
- Sierra Pacific Industries· 50 installations
- Otter Tail Power Co· 49 installations
- Madison Energy Holdings LLC· 49 installations
- AES Clean Energy· 48 installations
About this data
Source: Lawrence Berkeley National Laboratory's Tracking the Sun, merged with city permit records, state incentive programs and the USGS U.S. Large-Scale Solar Photovoltaic Database / EIA-860 plant registers, as published October 29, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.
Cite as: PanelCensus, “Madison Energy Investments LLC, utility / plant operator”, https://panelcensus.com/operators/madison-energy-investments-llc-244 (data as of October 29, 2026).