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Solar Wolf Energy Inc - Profile & Reviews

We are an integrated energy company focusing on a few pillars aimed directly at saving the customers money. Namely in utility costs and energy savings. We are not just a solar panel company. We also supply our customers with a free in home energy audit and educate them on opportunities for them to either self address the issues we point out or we can while we are there also. Our estimates are free of charge.

27 reviews

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  • "2 Deposits, 1 Year, No Battery"

    Reviewed Aug 14, 2017
    Updated Mar 16, 2022

    In 2017 we hired Solar Wolf to put solar panels on our roof. The price was fair, communication excellent, and installation was quick and seamless. Help with occasional inverter trouble was quick and spot on. In 2018, we hired them again to add 4 more panels which once again went smoothly. They also helped locate a tree company to take down a tree next to our house in the spring of 2021.
    Because of these experiences, we were eager to work with them again on a home battery and willing to cut them slack dealing with sick crews, supply chains, and general pandemic messiness. But, they have sat on deposits for over a year, communication has been very lacking far as progress or updates on the install, nothing has been done other than pull some permits I believe. In addition, our inverter has been faulty for over a year which has halted our SREC payments.
    Since I informed Solar Wolf we would like our money back or battery installed, they said they’d get back to me with an answer but never have. After seeing similar complaints about Solar Wolf on Better Business Bureau of long waits after taking deposits for various jobs, I am here to leave this review and do not recommend working with them. Even accounting for the pandemic upending everything, Solar Wolf in 2022 feels like a different company from the one we initially hired in 2017.

    This was my old review after their initial solar panel install work in 2017 and 2018:

    Solar Wolf had a very competitive rate and they were very professional in their install at our house. There are minimal connections on the roof and I've seen other installs with connections running all over the place on the roof and ground level. There were snags due to weather during the install and then the permitting in Boston took awhile but Solar Wolf was there smoothing things out and coaching us all along the way. They also taught us about SRECs which make the solar investment all the more attractive. After 10 years, without even counting the energy savings, the cost of the install will be covered by the tax credit and the SRECs. Do it. Stick a renewable energy finger in Scott Pruitt's eye.

  • "Angel was very helpful"

    Reviewed Feb 15, 2022

    We had Solar Wolf install our solar with a battery this winter. My husband works for a window company and worked with them on a mutual customers home. They came to our house and went over all of it. We are very happy with it and can't wait for the snow to be off the panels however. Jack took the day off when they installed it and worked with them. Angel answered all his questions and then showed us how to operate it once the power company turned it on. The process from beginning to end was longer than it took to do our windows but we learned there are considerably more steps to it. We would use them again.

  • "The company of your nightmares"

    Reviewed Jan 31, 2022

    The promises made by this company sound great, until they get you to sign the contract and pull a couple of payments out of you; after that, making any progress is worse than having multiple root canals. I signed a contract in April 2021 to have my roof redone and solar added. The contract said that the work would be substantially completed in August. We are now approaching 10 months since signing the contract, work on the roof has not even been started, never mind anything regarding the solar. I've made two large payments to them already, and have yet to see any progress. Don't make the same mistake I made, find a company that will actually complete the work they say they will.

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We offer the longest service / labor warranty in the country because we stand behind our people and our products. Our costs are less, allowing us to offer better pricing to our customers. We also have exclusive financing options for all credit types that are better rates than the industry average. We strive to always under promise & over deliver on every job.

  • Installation
  • Financing
  • Energy Auditing
  • Construction
  • Roofing
  • Electrical Contracting
  • General Contracting
  • Solar Repair & Maintenance
  • Combined Heat & Power
  • Energy Efficiency
  • High Efficiency Hot Water
  • Solar Air-conditioning
  • Solar PV
  • Solar Space Heating
  • Energy Storage

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Solar Wolf Energy Inc Headquarters

134 Worcester Providence Turnpike,
Millbury, MA
01527 United States

Workmanship Warranty

We provide the industry's single best workmanship / labor warranty. This encompasses everything with no deductible.


Chamber of Commerce
Solar Energy International


Solar certified in the states we service


Master electrical & building licenses in all states we provide services. Structural and electrical engineer


Insured & bonded where necessary

States served by Solar Wolf Energy Inc

  • Connecticut CT ,
  • Delaware DE ,
  • Florida FL ,
  • Georgia GA ,
  • Kentucky KY ,
  • Maine ME ,
  • Maryland MD ,
  • Massachusetts MA ,
  • New Hampshire NH ,
  • New Mexico NM ,
  • North Carolina NC ,
  • Ohio OH ,
  • Pennsylvania PA ,
  • Rhode Island RI ,
  • Texas TX ,
  • Vermont VT