Counts from public records, not a review or rating. I have no partnership with Great Sky Solar; the name is as the utility recorded it.
Great Sky Solar at a glance
| License lookup | Massachusetts eLicensing lookup (Division of Occupational Licensure) |
|---|---|
| Systems in records | 784 |
| Years in records | 2011–2023 |
| Latest record | 9/2023 |
| States | Massachusetts, California |
| Top cities | Arlington, Boston, Cambridge, Newton, Hopkinton |
| Typical system | 9.2 kW |
| Main panel brand | LG Electronics Inc. |
| Main inverter brand | Enphase Energy Inc. |
| With a battery | 1% |
| Leased or PPA | 0% |
Records: LBNL Tracking the Sun.
Great Sky Solar systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| Massachusetts | 783 | 2014 | 2023-09 |
| California | 1 | 2011 | 2011-07 |
Systems by year
Where Great Sky Solar installs
Massachusetts
| City | Systems | Share of company's MA systems |
|---|---|---|
| Arlington | 88 | 11% |
| Boston | 71 | 9% |
| Cambridge | 67 | 9% |
| Newton | 44 | 6% |
| Hopkinton | 26 | 3% |
| Somerville | 21 | 3% |
| Lexington | 18 | 2% |
| Needham | 16 | 2% |
| Waltham | 15 | 2% |
| Medford | 13 | 2% |
| Wayland | 13 | 2% |
| Framingham | 12 | 2% |
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| Livermore | 1 | 100% |
Source: LBNL Tracking the Sun, residential systems in utility interconnection records. City as the utility recorded it. How I count.
Equipment and ownership
- Panels: LG Electronics Inc. (30%), Solaria Corporation (22%), REC Solar (19%), Qcells North America (16%), SANYO ELECTRIC CO LTD OF PANASONIC GROUP (7%)
- Inverters: Enphase Energy Inc. (72%), SolarEdge Technologies Ltd. (24%), SMA America (2%), Generac Power Systems (1%)
- Leases and PPAs: 0% of its systems with known ownership were leased or under a power purchase agreement.
- Batteries: 1% of its systems had a battery on record.
Offered a lease or PPA? Read lease vs buy first.
Before you sign
- License. Look the company up with the Massachusetts eLicensing lookup (Division of Occupational Licensure) and check the name on the contract matches the license.
- License. Look the company up with the California Contractors State License Board and check the name on the contract matches the license.
- Run the quote through the quote checker and the list in how to check a solar quote.
Companies of similar size in Massachusetts records
Pv Squared (1,406), My Generation Energy (1,130), New England Clean Energy (1,125), Northeast Solar Design Associates (1,088), Isaksen Solar (770).