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Best Solar Installers in Dalton, MA (2026)

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

The short answer

  1. 1

    Best overall in Dalton: All Energy Solar, CR Score 58/100; 4.9★ from 294 Google reviews; open Saturdays until 12 PM.

  2. 17

    Best for emergencies (open 24/7): New England Solar Electric, posts 24/7 hours; ranked #17 of 35.

  3. 2

    Most-reviewed: PlugPV, 787 Google reviews at 4.8★, the most of 35 ranked; ranked #2.

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

35 Dalton solar installers are ranked here by CR Score, from ten published factors. 1 is open 24/7, 12 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.8★ across 35 rated businesses.

Top 10 solar installers in Dalton at a glance

Top 10 solar installers in Dalton at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1All Energy Solar584.9★ (294)Westfield, 34 mi awaySatOverall
2PlugPV574.8★ (787)Troy, 33 mi away—Most reviews
3Valley Solar564.9★ (201)Easthampton, 29 mi away——
4Trinity Solar554.4★ (339)Holyoke, 34 mi awaySat · Evenings—
5Northeast Solar545.0★ (94)Amherst, 29 mi away——
6Insight Energy Systems - Insight Solar544.8★ (115)Amherst, 30 mi away——
7PV Squared Solar534.9★ (70)Greenfield, 30 mi away——
8AEC Solar534.6★ (100)Albany, 39 mi awaySat—
9PosiGen Home Solar534.5★ (96)Ludlow, 39 mi awaySun—
10Brad the Solar Guy535.0★ (20)Northampton, 31 mi awaySat · Evenings—

The 35 best solar installers in Dalton, ranked

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

  1. Ranked #1 in Dalton

    Based in Westfield, 34 mi away

    58/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 294 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 294 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat 8 AM–12 PM · Sun closed
    Address
    66-D Mainline Dr, Westfield, MA 01085
  2. Based in Troy, 33 mi away

    57/100CR Score

    Ranked #2 because of its Google rating and review volume: 4.8★ from 787 Google reviews, the most in Dalton.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 787 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    630 7th Ave, Troy, NY 12182
  3. Based in Easthampton, 29 mi away

    56/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 201 Google reviews, listed on Google as “Solar energy system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 201 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
    Address
    116 Pleasant St Suite 321, Easthampton, MA 01027
  4. Based in Holyoke, 34 mi away

    55/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.4★ from 339 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 339 Google reviews
    Hours
    Mon–Fri 9 AM–8 PM · Sat 10 AM–4 PM · Sun closed
    Address
    4 Open Square Way #410, Holyoke, MA 01040
  5. Based in Amherst, 29 mi away

    54/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 94 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    136 Elm St, Hatfield, MA 01038
  6. Based in Greenfield, 30 mi away

    53/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 70 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    311 Wells St, Greenfield, MA 01301
  7. Based in Albany, 39 mi away

    53/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.6★ from 100 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 100 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 9 AM–12 PM · Sun closed
    Address
    210 Washington Ave Ext, Albany, NY 12203
  8. Based in Ludlow, 39 mi away

    53/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.5★ from 96 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 96 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat closed · Sun 8 AM–8 PM
    Address
    280 Moody St, Ludlow, MA 01056
  9. Based in Northampton, 31 mi away

    53/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 20 Google reviews
    Hours
    Mon–Fri 9 AM–7 PM · Sat 10 AM–2 PM · Sun closed
  10. Based in Albany, 32 mi away

    52/100CR Score

    Ranked #11 because of its Google rating and review volume: 4.6★ from 259 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 259 Google reviews
    Hours
    Mon–Fri 7:30 AM–7 PM · Sat 9 AM–6 PM · Sun closed
    Address
    279 Broadway Building 2, Menands, NY 12204
  11. Based in Beverly, 38 mi away

    52/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 47 Google reviews
    Hours
    Mon–Fri 6 AM–7 PM · Sat–Sun closed
  12. Based in Hudson, 34 mi away

    52/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 7 Google reviews
    Hours
    Mon–Sun 9:30 AM–7:30 PM
    Address
    81 Ten Broeck Ave Bld 1 #2, Hudson, NY 12534
  13. Based in Pittsfield, 4 mi away

    51/100CR Score

    Ranked #15 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 3.7★ from 6 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    182 Wendell Ave Suite 100, Pittsfield, MA 01201
  14. Based in Chicopee, 37 mi away

    51/100CR Score

    Ranked #16 because of its Google rating and trade focus: 3.6★ from 130 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 3.6★ from 130 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    150 Padgette St Unit A, Chicopee, MA 01022
  15. Based in Canton, 14 mi away

    51/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Solar energy equipment supplier”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.0★ from 4 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    401 Huntington Rd, Worthington, MA 01098
  16. Based in Westfield, 32 mi away

    50/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar panel maintenance service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Sun 7 AM–7 PM
    Address
    1 Arch Rd, Westfield, MA 01085
  17. Based in Coram, 30 mi away

    50/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Sat 9 AM–7 PM · Sun closed
  18. Based in Troy, 32 mi away

    50/100CR Score

    Ranked #20 because of its Google rating and trade focus: 3.7★ from 27 Google reviews, listed on Google as “Solar energy company”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 3.7★ from 27 Google reviews
    Address
    15 Farrell Rd, Troy, NY 12180
  19. Based in Pittsfield, 5 mi away

    49/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy equipment supplier”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    Hours
    Mon 9 AM–9 PM · Tue–Sat 7 AM–9 PM · Sun closed
    Address
    70 Highland Ave, Pittsfield, MA 01201
  20. Based in Northampton, 29 mi away

    49/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    25 Main St #338, Northampton, MA 01060
  21. Based in Westfield, 32 mi away

    49/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 13 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    66 Westfield Industrial Park Rd, Westfield, MA 01085
  22. Based in Greenfield, 30 mi away

    49/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Solar energy system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 9 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    2 Fiske Ave, Greenfield, MA 01301
  23. Based in Troy, 31 mi away

    49/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    34 Woodrow Ct, Troy, NY 12180

All 35 solar installers

#1 to #25 are shown in full above. Here are #26 to #35, in CR Score order; each links to its profile.

solar installers in Dalton, ranks 26 to 35
RankBusinessCR ScoreGoogle ratingDistance
26Summit Energy Group485.0★ (4)37 mi
27Current Energy485.0★ (6)33 mi
28High Peaks Solar484.1★ (21)28 mi
29Seed Solar and Electric475.0★ (20)31 mi
30Lotus Solar464.0★ (4)35 mi
31Innovative Roofing Contractor464.7★ (13)33 mi
32U.S. Light Energy463.4★ (5)39 mi
33Millstream Construction434.4★ (17)32 mi
34Kasselman Electric Co., Inc.414.0★ (5)32 mi
35M.L. Schmitt Electric, Inc.393.3★ (3)36 mi

Also serving Dalton

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.

How much do solar installers cost in Dalton?

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 Dalton?
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 Dalton solar installers

We scored 35 Dalton 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 Dalton 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 Dalton: frequently asked questions

Who is the best solar installer in Dalton?

By CR Score, the highest-ranked solar installer in Dalton, MA is All Energy Solar with a CR Score of 58/100. It has 4.9★ from 294 Google reviews. It is open Saturdays until 12 PM. PlugPV (#2) and Valley Solar (#3) follow. We ranked 35 solar installers on ten factors, last updated October 22, 2026.

How many solar installers are there in Dalton?

ContractorsRanked ranks 35 solar installers serving Dalton, MA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which solar installers in Dalton are open 24/7?

1 ranked solar installer in Dalton posts 24/7 hours. The highest-ranked is New England Solar Electric (#17). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in Dalton work on weekends?

12 of 35 ranked solar installers post Saturday hours and 6 post Sunday hours. The highest-ranked open Saturdays are All Energy Solar (#1), Trinity Solar (#4) and AEC Solar (#8). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in Dalton?

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 Dalton solar installers have?

The median Google rating among 35 rated solar installers in Dalton is 4.8★, with a median of 17 reviews. PlugPV has the most, 787 reviews, and ranks #2. 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 Dalton count in this ranking?

Yes, if they are within 40 mi of the Dalton 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 Dalton

  1. October 2026: CR Scores recalculated for 35 solar installers serving Dalton.
  2. October 2026: 1 duplicate listing merged.