25 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Kapolei: Emergency Plumbing & Solar, CR Score 88/100; 4.6★ from 547 Google reviews; open 24/7.
Best for emergencies (open 24/7): Oahu Electric and Air, posts 24/7 hours; ranked #5 of 25.
Most-reviewed: Sunrun Solar, 482 Google reviews at 4.2★, the most of 25 ranked after Emergency Plumbing & Solar; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
25 Kapolei solar installers are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 13 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.8★ across 25 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Emergency Plumbing & Solar | 88 | 4.6★ (547) | Pearl City, 7 mi away | 24/7 | Overall |
| 2 | Sunshine Solar Panel Cleaning | 88 | 5.0★ (105) | Waianae, 11 mi away | Sat · Sun | — |
| 3 | Sunrun Solar | 85 | 4.2★ (482) | Honolulu, 10 mi away | Sat · Sun | Most reviews |
| 4 | Family First Solar | 83 | 4.6★ (18) | Kapolei | Sat · Sun | — |
| 5 | Oahu Electric and Air | 81 | 4.9★ (35) | Waipahu, 7 mi away | 24/7 | Emergencies |
| 6 | True Green Solar | 79 | 5.0★ (26) | Schofield Barracks, 12 mi away | Sat · Sun · Evenings | — |
| 7 | Pacific Panel Cleaners | 79 | 4.9★ (95) | Honolulu, 10 mi away | — | — |
| 8 | Island Cooling | 78 | 4.9★ (309) | Kailua, 19 mi away | Sat | — |
| 9 | Emergency Drain Cleaning & Plumbing SVCS, LLC | 76 | 5.0★ (12) | Kaneohe, 21 mi away | 24/7 | — |
| 10 | RED Solar Hawaii | 76 | 5.0★ (8) | Village Park, 14 mi away | Sat | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.6★ from 547 Google reviews, the most Google reviews on this list (547).
Based in Waianae, 11 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 105 Google reviews, listed on Google as “Solar energy system service”.
Based in Honolulu, 10 mi away
Ranked #3 because of its Google rating and trade focus: 4.2★ from 482 Google reviews, listed on Google as “Solar energy company”.
Based in Kapolei
Ranked #4 because of its Google rating and trade focus: 4.6★ from 18 Google reviews, listed on Google as “Solar energy system service”.
Based in Waipahu, 7 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 35 Google reviews, open 24/7.
Based in Schofield Barracks, 12 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 26 Google reviews, open 7 days a week.
Based in Honolulu, 10 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 95 Google reviews, listed on Google as “Solar energy system service”.
Based in Kailua, 19 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 309 Google reviews, 309 Google reviews.
Based in Kaneohe, 21 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 12 Google reviews, open 24/7.
Based in Village Park, 14 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy system service”.
Based in Waipahu, 4 mi away
Ranked #11 because of its Google rating and trade focus: 4.4★ from 20 Google reviews, listed on Google as “Solar energy system service”.
Based in Waianae, 13 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 283 Google reviews, 283 Google reviews.
Based in Waimalu, 10 mi away
Ranked #13 because of its Google rating and availability: 3.4★ from 43 Google reviews, open 7 days a week.
Based in Waimalu, 10 mi away
Ranked #14 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Solar energy system service”.
Based in Waipahu, 7 mi away
Ranked #15 because of its Google rating and trade focus: 4.6★ from 50 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based in Waipahu, 4 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Solar energy system service”.
Based in Pearl City, 8 mi away
Ranked #17 because of its Google rating and trade focus: 4.4★ from 67 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based in Kapolei
Ranked #18 because of its Google rating and availability: 5.0★ from 7 Google reviews, open Saturdays until 7 PM.
Based in Honolulu, 11 mi away
Ranked #19 because of its Google rating and trade focus: 3.9★ from 11 Google reviews, listed on Google as “Solar energy company”.
Based in Makakilo, 2 mi away
Ranked #20 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Solar energy company”.
Based in Kaneohe, 17 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based in Schofield Barracks, 12 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 6 Google reviews, open Saturdays until 8 PM.
Based in Pearl City, 7 mi away
Ranked #23 because of its Google rating and review volume: 4.1★ from 51 Google reviews, 51 Google reviews.
Based in Schofield Barracks, 11 mi away
Ranked #24 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based in Kaneohe, 17 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Electrician”.
Typical prices in USD, adjusted for Hawaii 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 25 Kapolei solar installers on 8 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. Unknown factors are left out of the score, 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.
| Factor | Weight | Computed from | In Kapolei data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |