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Metrowest Power, LLC is a Marlborough, MA company that describes itself as family-owned and specializing in the turnkey installation of automatic standby generators for residential and commercial clients. Its website says that for a home backup generator it prepares the installation site, places the generator, runs the natural gas or LP fuel line, installs the transfer switch and makes the electrical connections. In 2025, a customer who had collected several quotes chose Metrowest Power for a 24kW Generac generator; in that 2025 review, Mike came out to survey the property and explained the process before the quote. On that 2025 job, Mike, Josh and Gary did the installation, and once the work was completed Josh reviewed the operation of the generator. A separate 2025 review says Mike built a custom plan that included an appropriately sized generator, surge protection, an auto-transfer switch, and wiring from the desired pad location to the electrical panel.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Metrowest Power, LLC. Use it to sanity-check bids, then get the real number in writing.
Standard receptacle swaps — a new dedicated circuit is a bigger job ($350–$750).
Flush mounts, pendants, chandeliers — hung on existing boxes.
Estimated range
$530 – $1,100
Typical electrical project around $820
If I could give Metrowest Power 6 Stars, I would! I started researching the purchase of a home generator approximately 6 weeks ago. I contacted multiple companies and met with several representatives. After weighing all my options, I chose Metrowest Power and I am sure glad that I did! Mike came out to survey the property. He was knowledgable, courteous, and before he left, I was able to ask him multiple questions. He did not make me feel rushed, explained the process and I had a quote before I knew it. After receiving all the quotes, Metrowest Power was the lowest price by more than $1,100.00 dollars AND they were the only company that could deliver a 24kW Generac generator versus an 18kW. This told me everything I needed to know. Mike, Josh, and Gary showed up promptly and within minutes they were already at work. From the time they arrived, to the time they completed the installation, they were polite and professional, kept me informed and answered all of my questions. Once the work was completed, Josh reviewed the operation of the generator and then encouraged any and all questions. Their attention to detail did not go unnoticed. I could not be happier with the experience I had with Metrowest Power! If you are considering a whole home generator, do yourself a favor and call Metrowest Power!
We had an excellent experience working with Mike and the entire team at MetroWest. Mike worked to understand our needs, suggested the best options for our family, and built a custom plan including an appropriately sized generator, surge protection, auto-transfer switch, and wiring from the desired pad location to the electrical panel. The construction process was easy, and the crew was exceptional. We couldn't be happier with the outcome, and appreciate Mike and team for their efforts.
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Certified attributes are verified against the public registry. Others are the business's own statement.
3 changes recorded — last scanned Sep 27, 2026.
Torn-off service line restored in hours4.4
Whole-house upgrade to 200 amp service4.3
Praised for thorough heat-pump work3.9
51-year history3.2
Tidy, reliable crews3.0
State-verified electrician licenseNot yet rated