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Best Solar Installers in Shrewsbury, MA (2026)

163 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Shrewsbury: Boundless, Inc., CR Score 62/100; 4.8★ from 464 Google reviews; open 7 days a week.

  2. 4

    Best for emergencies (open 24/7): Team Sunshine Construction, LLC., posts 24/7 hours; ranked #4 of 163.

  3. 30

    Most-reviewed: Neeeco, 3,580 Google reviews at 4.9★, the most of 163 ranked; ranked #30.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

163 Shrewsbury solar installers are ranked here by CR Score, from ten published factors. 19 are open 24/7, 97 open Saturdays and 43 open Sundays, based on posted hours. The median Google rating is 4.9★ across 163 rated businesses.

Top 10 solar installers in Shrewsbury at a glance

Top 10 solar installers in Shrewsbury at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Boundless, Inc.624.8★ (464)Marlborough, 7 mi awaySat · SunOverall
2Sunrun Solar584.1★ (239)ShrewsburySat · Sun—
3Golden Group Roofing & Solar574.9★ (174)Grafton, 4 mi awaySat · Sun—
4Team Sunshine Construction, LLC.574.7★ (181)Boston, 33 mi away24/7Emergencies
5Mark The Solar Expert574.9★ (35)Grafton, 14 mi awaySat · Sun · Evenings—
6Old Glory Solar575.0★ (30)Athol, 25 mi away24/7—
7Momentum Solar Massachusetts564.0★ (198)Marlborough, 7 mi awaySat · Sun · Evenings—
8Great Sky Solar565.0★ (468)Lexington, 28 mi away——
9On Call Electric565.0★ (164)Marlborough, 9 mi away24/7—
10Lunex Power564.7★ (100)Worcester, 5 mi awayEvenings—

The 163 best solar installers in Shrewsbury, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Shrewsbury

    Based in Marlborough, 7 mi away

    62/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 464 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 464 Google reviews
    Hours
    Mon–Sat 9 AM–6 PM · Sun 9 AM–5 PM
    Address
    11 Apex Dr #301b, Marlborough, MA 01752
  2. Based in Shrewsbury

    58/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.1★ from 239 Google reviews, listed on Google as “Solar energy company”.

    • 4.1★ from 239 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    240 A Cherry St, Shrewsbury, MA 01545
  3. Based in Athol, 25 mi away

    57/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 30 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    140 Patriots Rd, East Templeton, MA 01438
  4. Based in Marlborough, 7 mi away

    56/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.0★ from 198 Google reviews, listed on Google as “Solar energy company”.

    • 4.0★ from 198 Google reviews
    Hours
    Mon–Fri 8 AM–9 PM · Sat–Sun 8 AM–7 PM
    Address
    50 D'Angelo Dr #3, Marlborough, MA 01752
  5. Based in Lexington, 28 mi away

    56/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 468 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 468 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    3 Bow St Suite 3, Lexington, MA 02420
  6. Based in Marlborough, 9 mi away

    56/100CR Score

    Ranked #9 because of its Google rating and review volume: 5.0★ from 164 Google reviews.

    • 5.0★ from 164 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    61 Emmett St, Marlborough, MA 01752
  7. Based in Worcester, 5 mi away

    56/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.7★ from 100 Google reviews, listed on Google as “Solar energy company”.

    • 4.7★ from 100 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun closed
    Address
    95 Prescott St Suite 106, Worcester, MA 01605
  8. Based in Marlborough, 9 mi away

    56/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 100 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
    Address
    257 Maple St #2, Marlborough, MA 01752
  9. Based in Needham, 24 mi away

    56/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 115 Google reviews, listed on Google as “Electrical installation service”.

    • 5.0★ from 115 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10 Oak St Ste 7, Needham, MA 02492
  10. Based in Billerica, 29 mi away

    55/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.4★ from 276 Google reviews, listed on Google as “Solar energy company”.

    • 4.4★ from 276 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    16 Progress Rd B4, Billerica, MA 01821
  11. Based in Boston, 34 mi away

    55/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 1,027 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 1,027 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun closed
    Address
    3 Center Plz, Boston, MA 02108
  12. Based in Taunton, 38 mi away

    55/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.5★ from 476 Google reviews, listed on Google as “Solar energy company”.

    • 4.5★ from 476 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    695 Myles Standish Blvd Bldg 2 Lot 36, Taunton, MA 02780
  13. Based in Clinton, 12 mi away

    55/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 27 Google reviews
    Hours
    Mon–Sat 8 AM–5 PM · Sun closed
  14. Based in Woburn, 32 mi away

    55/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.7★ from 1,357 Google reviews, listed on Google as “Solar energy company”.

    • 4.7★ from 1,357 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    12 Gill St #5650, Woburn, MA 01801
  15. Based in Ashburnham, 19 mi away

    55/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 18 Google reviews
    Hours
    Mon–Sun 10 AM–7 PM
    Address
    58 Holden Rd, Shirley, MA 01464
  16. Based in Sterling, 11 mi away

    55/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Solar energy system service”.

    • 4.6★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun 9 AM–5 PM
    Address
    80 Wilder Rd, Sterling, MA 01564
  17. Based in Mansfield, 30 mi away

    55/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.7★ from 824 Google reviews, listed on Google as “Solar energy company”.

    • 4.7★ from 824 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    15 Berkshire Rd, Mansfield, MA 02048
  18. Based in Valley Falls, 23 mi away

    54/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 32 Google reviews
    Hours
    Mon–Sat 7 AM–10 PM · Sun closed

Solar installers ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 163 ranked solar installers here; the rest are on their profiles.

solar installers in Shrewsbury, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26The Solar RN™545.0★ (27)21 mi
27Nexis Power LLC545.0★ (62)33 mi
28Leominster Solar Solutions545.0★ (5)17 mi
29Evergreen Solar534.8★ (305)33 mi
30Neeeco534.9★ (3,580)35 mi
31Intelligent Solar535.0★ (44)19 mi
32New England Solar Initiative535.0★ (13)18 mi
33Sunfinity Power534.9★ (65)34 mi
34SunRite Solar535.0★ (20)11 mi
35Clean Earth Energy535.0★ (41)18 mi
36GoGreen with Glenn – Solar & Battery Backup535.0★ (18)34 mi
37SunPower Corporation534.5★ (154)34 mi
38ComfortMax Energy Solutions535.0★ (109)16 mi
39Clean Solar Energy - Massachusetts535.0★ (23)37 mi
40SGE Solar - Second Generation Energy534.7★ (35)15 mi
41KnowSolar.com535.0★ (20)26 mi
42Empire Energy535.0★ (62)39 mi
43Everest Solar535.0★ (14)33 mi
44Oberon Initiatives Inc.534.9★ (149)34 mi
45Skyview Exteriors525.0★ (254)37 mi
46Better Future Solar Water525.0★ (16)25 mi
47Go Green Industries524.9★ (15)23 mi
48Kind Heart Solar Solutions525.0★ (5)34 mi
49Future Energy Solar524.9★ (114)33 mi
50M&B Solar Consortium525.0★ (20)39 mi

Also serving Shrewsbury

20 more solar installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked solar installers serving Shrewsbury
BusinessGoogle ratingDistance
777 Smart Solar & Cleaning5.0★ (2)18 mi
Accredited Solar Advisors5.0★ (2)26 mi
Alex Valley Electrician5.0★ (2)22 mi
Bright Lite Energy3.0★ (2)29 mi
Devlin Contracting5.0★ (2)40 mi
Direct Energy Plan5.0★ (2)18 mi
Edison Energy Consultants LLC5.0★ (2)37 mi
Go Solar5.0★ (2)37 mi
iSP (Ion Solar Pros)5.0★ (2)11 mi
LastMile Energy, LLC5.0★ (2)31 mi
NEC Solar5.0★ (2)24 mi
Relay Power4.0★ (2)11 mi
Renewables Worldwide, Inc.5.0★ (2)39 mi
Solar By Jake4.5★ (2)21 mi
Solar Powered by Mario's5.0★ (2)34 mi
Solar Rays5.0★ (2)18 mi
Sun Diagnostics Company5.0★ (2)23 mi
SunRun Inc5.0★ (1)4 mi
Tesla Solar3.0★ (2)32 mi
US SolarWorks5.0★ (2)32 mi

How much do solar installers cost in Shrewsbury?

Typical prices in USD, adjusted for Massachusetts with a published regional index. Each row names its basis and month.

How much do solar installers cost in Shrewsbury?
JobLowTypicalHighBasisChecked
Solar panel installation$28,990$32,790$35,670Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.05 New England factor (2025 Cost vs. Value Report)October 2026

How we ranked Shrewsbury solar installers

We scored 163 Shrewsbury solar installers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Shrewsbury data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Solar installers in Shrewsbury: frequently asked questions

Who is the best solar installer in Shrewsbury?

By CR Score, the highest-ranked solar installer in Shrewsbury, MA is Boundless, Inc. with a CR Score of 62/100. It has 4.8★ from 464 Google reviews. It is open 7 days a week. Sunrun Solar (#2) and Golden Group Roofing & Solar (#3) follow. We ranked 163 solar installers on ten factors, last updated October 22, 2026.

How many solar installers are there in Shrewsbury?

ContractorsRanked ranks 163 solar installers serving Shrewsbury, MA. 1 of them is based in Shrewsbury; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which solar installers in Shrewsbury are open 24/7?

19 ranked solar installers in Shrewsbury post 24/7 hours. The highest-ranked are Team Sunshine Construction, LLC. (#4), Old Glory Solar (#6) and On Call Electric (#9). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in Shrewsbury work on weekends?

97 of 163 ranked solar installers post Saturday hours and 43 post Sunday hours. The highest-ranked open Saturdays are Boundless, Inc. (#1), Sunrun Solar (#2) and Golden Group Roofing & Solar (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in Shrewsbury?

Solar panel installation typically costs $28,990 to $35,670, with $32,790 typical (Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.05 New England factor (2025 Cost vs. Value Report)). The range is adjusted for Massachusetts. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Shrewsbury solar installers have?

The median Google rating among 163 rated solar installers in Shrewsbury is 4.9★, with a median of 19 reviews. Neeeco has the most, 3,580 reviews, and ranks #30. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank solar installers?

Each solar installer gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do solar installers outside Shrewsbury count in this ranking?

Yes, if they are within 40 mi of the Shrewsbury city center, our service radius for solar installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for Shrewsbury

  1. October 2026: CR Scores recalculated for 163 solar installers serving Shrewsbury.
  2. October 2026: 2 duplicate listings merged.

More solar installers and Shrewsbury pages

Other trades in Shrewsbury