45 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in DuPont: Purelight Power, CR Score 58/100; 4.7★ from 46 Google reviews; open Saturdays until 2 PM.
Best for emergencies (open 24/7): Chehalis Sheet Metal Heating, Cooling, Roofing & Solar, posts 24/7 hours; ranked #6 of 45.
Most-reviewed: Eco Electric, Plumbing, Heating and Air, 2,101 Google reviews at 4.9★, the most of 45 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
45 DuPont solar installers are ranked here by CR Score, from ten published factors. 3 are open 24/7, 16 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.9★ across 45 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Purelight Power | 58 | 4.7★ (46) | DuPont | Sat · Evenings | Overall |
| 2 | SunPower® | 56 | 4.2★ (465) | Tacoma, 15 mi away | Sat | — |
| 3 | Smart Solar Energy Olympia Washington | 55 | 5.0★ (10) | Lacey, 13 mi away | Sat · Sun | — |
| 4 | CapStone Solar | 55 | 4.6★ (85) | Lacey, 6 mi away | — | — |
| 5 | Revolution Energy Systems | 55 | 4.3★ (30) | Lakewood, 8 mi away | — | — |
| 6 | Chehalis Sheet Metal Heating, Cooling, Roofing & Solar | 55 | 4.8★ (315) | Chehalis, 35 mi away | 24/7 | Emergencies |
| 7 | Sunset Air | 55 | 4.9★ (1,262) | Lacey, 10 mi away | — | — |
| 8 | Sun's Eye Solar | 55 | 5.0★ (36) | Tacoma, 10 mi away | — | — |
| 9 | Emerge Electrical LLC | 54 | 4.9★ (78) | Olympia, 12 mi away | 24/7 | — |
| 10 | Infinity Solar USA | 54 | 4.5★ (67) | Tacoma, 11 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.7★ from 46 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tacoma, 15 mi away
Ranked #2 because of its Google rating and trade focus: 4.2★ from 465 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lacey, 13 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lacey, 6 mi away
Ranked #4 because of its Google rating and trade focus: 4.6★ from 85 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lakewood, 8 mi away
Ranked #5 because of its Google rating and trade focus: 4.3★ from 30 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Chehalis, 35 mi away
Ranked #6 because of its Google rating and review volume: 4.8★ from 315 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lacey, 10 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 1,262 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tacoma, 10 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Olympia, 12 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 78 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tacoma, 11 mi away
Ranked #10 because of its Google rating and trade focus: 4.5★ from 67 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seattle, 36 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 2,101 Google reviews, the most in DuPont.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seattle, 38 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seattle, 33 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 113 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tumwater, 12 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seattle, 38 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seattle, 38 mi away
Ranked #16 because of its Google rating and trade focus: 4.4★ from 575 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Puyallup, 16 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 503 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Olympia, 11 mi away
Ranked #18 because of its Google rating and trade focus: 4.2★ from 26 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seattle, 36 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 132 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Federal Way, 20 mi away
Ranked #20 because of its Google rating and trade focus: 4.6★ from 41 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bonney Lake, 35 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seattle, 35 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 148 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seattle, 38 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 83 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kent, 30 mi away
Ranked #24 because of its Google rating and trade focus: 4.4★ from 129 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seattle, 33 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #45, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Precision Pro Wash | 50 | 4.9★ (119) | 20 mi |
| 27 | CSM Heating Cooling & Roofing | 50 | 4.8★ (256) | 15 mi |
| 28 | Smart Solar Energy Seattle Washington | 50 | 5.0★ (3) | 38 mi |
| 29 | Net Zero Electric & Solar | 49 | 4.8★ (19) | 13 mi |
| 30 | First Choice Electrical and Solar | 49 | 4.6★ (125) | 27 mi |
| 31 | Ant Power LLC | 49 | 5.0★ (8) | 30 mi |
| 32 | West Seattle Electric and Solar | 48 | 4.7★ (91) | 33 mi |
| 33 | Solares Landscaping | 48 | 5.0★ (5) | 20 mi |
| 34 | MAD Energy NW | 48 | 5.0★ (129) | 30 mi |
| 35 | ANT POWER LLC | 48 | 4.9★ (29) | 12 mi |
| 36 | By Design Electric & Solar | 47 | 5.0★ (14) | 34 mi |
| 37 | Del Valle Electric & Solar LLC | 47 | 4.9★ (29) | 33 mi |
| 38 | Robinson Craft Solar & Roofing | 46 | 4.6★ (10) | 34 mi |
| 39 | Golden Solar Installations | 46 | 5.0★ (3) | 30 mi |
| 40 | Superior Mobile Home Roofing And Resealing | 45 | 4.4★ (7) | 18 mi |
| 41 | Elevation Home Services | 44 | 5.0★ (3) | 16 mi |
| 42 | Sunworks llc | 44 | 5.0★ (10) | 26 mi |
| 43 | NW Wind & Solar | 43 | 4.2★ (11) | 38 mi |
| 44 | Sound Power | 42 | 5.0★ (11) | 36 mi |
| 45 | McKinstry | 42 | 4.0★ (66) | 35 mi |
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.
| Business | Google rating | Distance |
|---|---|---|
| A A A Serious Solar Power & Panels | 38 mi | |
| amaterasu | 5 mi | |
| EXPERIENCE | 5.0★ (1) | 36 mi |
| Genius Solar Innovations | 38 mi | |
| Go Solar Now | 32 mi | |
| JMS Electric | 5.0★ (2) | 32 mi |
| Nadar Drone Aerial Photography & Inspection | 25 mi | |
| Nexgen Energy Systems, Inc | 16 mi | |
| Nue Power Solar | 5.0★ (1) | 38 mi |
| Powell Solar Systems | 5.0★ (2) | 37 mi |
| Solar Panels Seattle | 37 mi | |
| Solar Quotes & Installation in Tacoma WA | 13 mi | |
| Solarize Northwest | 5.0★ (1) | 38 mi |
| Sunset Solar Solution | 29 mi | |
| Tangent Electric LLC | 4.0★ (1) | 34 mi |
| Tru Electric and Solar | 29 mi | |
| Tuusso Energy LLC | 5.0★ (1) | 39 mi |
| U.S. Solars | 32 mi | |
| Washington Solar Services LLC | 5.0★ (1) | 21 mi |
| WildFire Solar | 30 mi |
Typical prices in USD, adjusted for Washington with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $29,770 | $33,680 | $36,640 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report) | October 2026 |
We scored 45 DuPont 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 23, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In DuPont data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |