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), E2 Solar (725), Devlin Contracting Maintenance (708), Solar Rising (705).