Solar Installation in Lexington, MA | Great Sky Solar
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Great Sky Solar

3 Bow St Suite 3, Lexington, MA 02420

A+ Grade

What People love about this company

Frank Rigiero

Review

We had an exceptional experience working with Great Sky Solar from start to finish. The entire process from the initial consultation through installation was smooth, prof...

read more

Daniel Houdlette

Review

We had our 30 panel install during 2018, choosing Great Sky out of about 6 quotes, primarily based on competitive pricing, good equipment recommendations, and a very tran...

read more

Tony Gale

Review

Outstanding Experience from Start to Finish - Highly Recommend! After evaluating several solar contractors in early 2025, we chose Great Sky Solar and couldn’t be happie...

read more

Emily Marvosh

Review

We loved our experience with Great Sky! They were competitively priced and very easy to work with pre-installation. The actual installation was quick and clean--3 stories...

read more

Patrick Emerick

Review

I had my panels installed in 2018 and was very happy with the finished installation. It has been a great investment and helps with high electricity prices these days. Gre...

read more

About Great Sky Solar

Great Sky Solar was founded on a vision of combining clean energy with a clean and transparent business model (Clean Energy through Clean Business). 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....

read more

About Great Sky Solar

Great Sky Solar was founded on a vision of combining clean energy with a clean and transparent business model (Clean Energy through Clean Business). 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....

read more

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Reviews

(5) Reviews for this company

1 Stars

0%

(0)

2 Stars

0%

(0)

3 Stars

0%

(0)

4 Stars

0%

(0)

5 Stars

100%

(5)

Avg Rating:

Quality of Service:

5

Response time:

5

Behavior:

5

F

Frank Rigiero

We had an exceptional experience working with Great Sky Solar from start to finish. The entire process from the initial consultation through installation was smooth, professional, and well organized. The sales team took the time to explain the system, expected production, and all of our options without any pressure. There was no high pressure sales pitch or gimmicks. Just straightforward information and honest answers. They answered every question we had and made sure we fully understood everything before moving forward. One thing that really stood out was that, between the sales process and installation, they sent an installer to inspect our roof to make sure it was suitable for solar. That gave us real confidence that we didn’t need a roof replacement (it was only a few years old) before installing the system, which we appreciated because it showed they were focused on doing the job right rather than just making a sale. They also handled all of the design work and paperwork from


D

Daniel Houdlette

We had our 30 panel install during 2018, choosing Great Sky out of about 6 quotes, primarily based on competitive pricing, good equipment recommendations, and a very transparent and personal upfront design process. Very good people to deal with. From initial down payment in March, things went very smoothly and we were up and running by August 1st. We took all tax breaks in the 1st year and started collecting SRECs in 2019. We received a refund check from Great Sky in 2019, as promised, because actual outputs did not fully meet predicted levels of 10MWh per year. However, the system has been running at 85-95% of that level so far, and would do better with fewer trees. Based on combined returns from rebates, SRECs, and net-metered returns measured from utility bills, the system paid for itself after approximately 5-1/2 years (near the end of 2024). It's been over 6 years of problem free operation and to say we've been satisfied is a serious understatement. We are looking forward to 14 mo


P

Patrick Emerick

I had my panels installed in 2018 and was very happy with the finished installation. It has been a great investment and helps with high electricity prices these days. Great Sky made the whole process easy and answered all of my questions. I … More


E

Emily Marvosh

We loved our experience with Great Sky! They were competitively priced and very easy to work with pre-installation. The actual installation was quick and clean--3 stories up on a small city lot--and they even came out the next year to … More


T

Tony Gale

Outstanding Experience from Start to Finish - Highly Recommend! After evaluating several solar contractors in early 2025, we chose Great Sky Solar and couldn’t be happier with our decision. What set them apart was their transparent approach and genuine expertise. Josh from their sales team was incredibly knowledgeable, responsive and collaborative as we worked through sizing our solar panels, placement options, and battery configuration. He took the time to answer all our questions about panels, battery storage, and monitoring without any high-pressure tactics. A major factor in our decision was that Great Sky Solar offers a solar generation guarantee through a third party—this showed real confidence in their system design and gave us additional peace of mind. We ultimately went with 2x PowerWall 3 units and are thrilled with both the performance and the seamless Tesla app monitoring. Rebecca was our project manager and an absolute rock star! She proactively reached out when an earl


Photos

Reviews

(5) Reviews for this company

1 Stars

0%

(0)

2 Stars

0%

(0)

3 Stars

0%

(0)

4 Stars

0%

(0)

5 Stars

100%

(5)

Avg Rating:

Quality of Service:

5

Response time:

5

Behavior:

5


F

Frank Rigiero

We had an exceptional experience working with Great Sky Solar from start to finish. The entire process from the initial consultation through installation was smooth, professional, and well organized. The sales team took the time to explain the system, expected production, and all of our options without any pressure. There was no high pressure sales pitch or gimmicks. Just straightforward information and honest answers. They answered every question we had and made sure we fully understood everything before moving forward. One thing that really stood out was that, between the sales process and installation, they sent an installer to inspect our roof to make sure it was suitable for solar. That gave us real confidence that we didn’t need a roof replacement (it was only a few years old) before installing the system, which we appreciated because it showed they were focused on doing the job right rather than just making a sale. They also handled all of the design work and paperwork from


D

Daniel Houdlette

We had our 30 panel install during 2018, choosing Great Sky out of about 6 quotes, primarily based on competitive pricing, good equipment recommendations, and a very transparent and personal upfront design process. Very good people to deal with. From initial down payment in March, things went very smoothly and we were up and running by August 1st. We took all tax breaks in the 1st year and started collecting SRECs in 2019. We received a refund check from Great Sky in 2019, as promised, because actual outputs did not fully meet predicted levels of 10MWh per year. However, the system has been running at 85-95% of that level so far, and would do better with fewer trees. Based on combined returns from rebates, SRECs, and net-metered returns measured from utility bills, the system paid for itself after approximately 5-1/2 years (near the end of 2024). It's been over 6 years of problem free operation and to say we've been satisfied is a serious understatement. We are looking forward to 14 mo


T

Tony Gale

Outstanding Experience from Start to Finish - Highly Recommend! After evaluating several solar contractors in early 2025, we chose Great Sky Solar and couldn’t be happier with our decision. What set them apart was their transparent approach and genuine expertise. Josh from their sales team was incredibly knowledgeable, responsive and collaborative as we worked through sizing our solar panels, placement options, and battery configuration. He took the time to answer all our questions about panels, battery storage, and monitoring without any high-pressure tactics. A major factor in our decision was that Great Sky Solar offers a solar generation guarantee through a third party—this showed real confidence in their system design and gave us additional peace of mind. We ultimately went with 2x PowerWall 3 units and are thrilled with both the performance and the seamless Tesla app monitoring. Rebecca was our project manager and an absolute rock star! She proactively reached out when an earl


E

Emily Marvosh

We loved our experience with Great Sky! They were competitively priced and very easy to work with pre-installation. The actual installation was quick and clean--3 stories up on a small city lot--and they even came out the next year to … More


P

Patrick Emerick

I had my panels installed in 2018 and was very happy with the finished installation. It has been a great investment and helps with high electricity prices these days. Great Sky made the whole process easy and answered all of my questions. I … More


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