Location and Projects
Address
29 Mill St, Arlington, MA, 02476
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Great Sky Solar
Great Sky Solar was founded on a vision of combining clean energy with a clean and transparent business model. We’ve created a workplace built on mutual respect and dignity, a healthy work/life balance including 4 day workweeks, excellent benefits, and a strong salary for every employee. The result? A far superior experience for our clients. We pride ourselves on ethical sales practices, empowering you with all the information needed to make the best possible decisions. Our mission is to effortlessly transition you to clean energy while redefining the solar industry - we recruit the top installers in the Commonwealth so we can optimize aesthetics and functionality for your benefit. We are small by design, connected to our community, and hire the best people. We have been going above and beyond our customer's expectations for 10+ years to provide Massachusetts customers with the best custom solar solution for their homes and businesses.
From BuildZoom: Great Sky Solar, 29 Mill St, Arlington, MA (Owned by: Paul Israel) holds a Building Licenses, Construction Supervisor license and 6 other licenses according to the Massachusetts license board.
Their BuildZoom score of 109 ranks in the top 5% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Great Sky Solar, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Great Sky Solar Contact Information
Phone Number: (781) 373-3263
Address: 29 Mill St, Arlington, MA 02476
Great Sky Solar Arlington
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Great Sky Solar has a BuildZoom score of 109, which places them above 95% of 139,240 contractors in Massachusetts.
Activity
|
36 projects
|
2025 |
|
49 projects
|
2024 |
|
86 projects
|
2023 |
Our building permit records indicate that Great Sky Solar has worked on at least
171.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
163 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Great Sky Solar mostly works on
solar installation
projects.
Pricing
|
4 projects
|
< $5k |
|
54 projects
|
$5k-$20k |
|
89 projects
|
$20k-$50k |
|
17 projects
|
$50k-$100k |
The typical size of their permits is approximately $24,734. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Ess & rooftop solar installation consisting of (15) rec 460w modules and (15) enphase iq8x microinverters. an energy storage system consisting of (2) enphase iq 10c batteries to be installed in a fire rated battery room in basement
Valuation:
$39,561
Permit #:
EP-2025-000941
Status:
issued
Fee:
$800
Permit Type:
N/A
Building Type:
N/A
Rooftop solar installation consisting of (29) rec 460w modules (29) enphase iq8x microinverters and (3) enphase 5p batteries located on exterior southeast wall
Valuation:
$49,938
Permit #:
E-25-0089
Status:
issued
Fee:
$175
Permit Type:
N/A
Building Type:
N/A
Rooftop solar installation consisting of (19) qtron 430 w modules and (19) enphase iq8m microinverters and an energy storage system to be installed on the exterior consisting of (3) enphase iq 5p batteries
Valuation:
$48,322
Permit #:
24-171RB
Status:
expired
Fee:
$507
Permit Type:
N/A
Building Type:
N/A
Energy storage system installation consisting of (1) tesla powerwall 3 exterior southwest location with a rooftop solar system consisting of (13) solar panels
Valuation:
N/A
Permit #:
FIR250627
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rooftop solar installation consisting of (13) qtron 435w modules and an energy storage system consisting of (1) tesla powerwall 3 external location
Valuation:
$20,884
Permit #:
BLDE250326
Status:
issued
Fee:
$376
Permit Type:
N/A
Building Type:
N/A
Rooftop solar installation consisting of (70) qtron 435w modules and (70) enphase iq8m microinverters 30.450 kw dc
Valuation:
$67,436
Permit #:
E-25-0134
Status:
complete
Fee:
$1,798
Permit Type:
N/A
Building Type:
N/A
Install rooftop solar system. 13 panels 5.655kwdc and an ess system consisting of 1 tesla powerwall 3 exterior installation
Valuation:
$42,945
Permit #:
BLD250462
Status:
complete
Fee:
$644
Permit Type:
N/A
Building Type:
N/A
Rooftop solar installation 54 panels 23.220 kw dc 2 tesla powerwall energy storage located outside the home
Valuation:
$57,924
Permit #:
E-25-0282
Status:
final
Fee:
$830
Permit Type:
N/A
Building Type:
N/A
Rooftop solar installation consisting of (27) seg 430w modules and (27) enphase iq8m microinverters 11.61 kw dc
Valuation:
$34,830
Permit #:
BP-2025-202
Status:
issued
Fee:
$348
Permit Type:
Solar
Building Type:
N/A
Rooftop solar installation consisting of (27) seg 430w modules and (27) enphase iq8m microinverters 11.61 kw dc
Valuation:
$26,122
Permit #:
EP-2025-165
Status:
issued
Fee:
$290
Permit Type:
Solar
Building Type:
N/A
Rooftop solar installation 28 panels 12.47 kw dc. all work to comply with 780 cmr and local bylaws
Valuation:
$39,959
Permit #:
BP-2025-000135
Status:
issued
Fee:
$200
Permit Type:
N/A
Building Type:
N/A
Rooftop solar installation consisting of (15) qtron 430w modules and (15) enphase iq8m microinverters 6.45 kw dc
Valuation:
$17,802
Permit #:
EP-2025-000034
Status:
complete
Fee:
$360
Permit Type:
N/A
Building Type:
N/A
Rooftop solar installation consisting of (15) qtron 430w modules and (15) enphase iq8m microinverters 6.45 kw dc
Valuation:
$23,091
Permit #:
R-25-0028
Status:
issued
Fee:
$278
Permit Type:
Solar
Building Type:
N/A
Rooftop solar installation consisting of (15) qtron 430w modules and (15) enphase iq8m microinverters 6.45 kw dc
Valuation:
$17,318
Permit #:
E-25-0021
Status:
issued
Fee:
$256
Permit Type:
N/A
Building Type:
Residential
Rooftop solar installation consisting of (29) rec 460w modules (29) enphase iq8x microinverters and (3) enphase 5p batteries
Valuation:
$66,584
Permit #:
R-25-0263
Status:
issued
Fee:
$666
Permit Type:
Solarpanels
Building Type:
N/A
Rooftop solar installation 51 panels 21.93 kw dc + 2 tesla powerwall 3 energy storage system
Valuation:
$95,008
Permit #:
24-356RB
Status:
expired
Fee:
$1,189
Permit Type:
N/A
Building Type:
N/A
Rooftop solar installation consisting of (22) qpeak 415w modules and (22) iq8m microinverters
Valuation:
N/A
Permit #:
E25-000705
Status:
issued
Fee:
N/A
Permit Type:
Residential one o...
Building Type:
N/A
Rooftop solar installation 41 panels 18.86 kw dc
Valuation:
$64,690
Permit #:
BP-2025-23
Status:
issued
Fee:
$518
Permit Type:
Additions
Building Type:
N/A
Solar panels previously installed by vision solar - great sky solar is completing the interconnection only. f020240249
Valuation:
N/A
Permit #:
P202540150
Status:
final
Fee:
$24
Permit Type:
N/A
Building Type:
101 single family
Rooftop solar installation consisting of (23) 425w modules and (23) iq8+ microinverters and energy storage system installation consisting of (4) enphase 5p batteries
Valuation:
N/A
Permit #:
E-24-1094
Status:
complete
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Great Sky Solar License info
Verified License
| License # | CS-106272 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of August 2026.
Verify this license's status for Great Sky Solar at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 21158 |
| Status | Active |
| State | Massachusetts |
| Type | Electrician |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Great Sky Solar at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 177102 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 10-30-2025 |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Great Sky Solar at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 21246 |
| Status | Active |
| City | Newton |
| Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2022. Check the current license status of Great Sky Solar with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 106272 |
| Status | Active |
| City | Newton |
| Type | Building Contractor |
- When BuildZoom last verified this license, it had an expiration date of August, 2023. Check the current license status of Great Sky Solar with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 28298 |
| Status | Inactive |
| City | Newton |
| Type | Electrical Contractor |
- According to the City of Newton Massachusetts, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Great Sky Solar at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 152314 |
| Status | Inactive |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- According to the Mass.gov Consumer Affairs and Business Regulation, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Great Sky Solar at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
759
Permits
- Building permit records show that Great Sky Solar has worked on 759 permitted projects.
Great Sky Solar Employees
PI
Paul Israel
Owner
TM
Timothy Moore
Owner