21 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Hilo: Hawaii Solar Panel Cleaning, CR Score 63/100; 5.0★ from 122 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Solar Saint, posts 24/7 hours; ranked #2 of 21.
Most-reviewed: Hawaii Solar Connection, 125 Google reviews at 5.0★, the most of 21 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
21 Hilo solar installers are ranked here by CR Score, from ten published factors. 3 are open 24/7, 11 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 5.0★ across 21 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Hawaii Solar Panel Cleaning | 63 | 5.0★ (122) | Hawaiian Paradise Park, 25 mi away | Sat · Sun | Overall |
| 2 | Solar Saint | 62 | 5.0★ (17) | Hilo | 24/7 | Emergencies |
| 3 | ProVision Solar | 62 | 4.9★ (89) | Hilo | — | — |
| 4 | BlueSky Energy Hawaii | 60 | 5.0★ (32) | Hawaiian Paradise Park, 8 mi away | Sat | — |
| 5 | Hawaii Solar Connection | 59 | 5.0★ (125) | Hawaiian Paradise Park, 15 mi away | Sat | Most reviews |
| 6 | Future Sun Solar | 57 | 4.9★ (12) | Hawaiian Paradise Park, 7 mi away | Sat | — |
| 7 | Solarman | 57 | 5.0★ (32) | Hawaiian Paradise Park, 14 mi away | — | — |
| 8 | Emergency Plumbing & Solar Big Island | 57 | 3.5★ (22) | Hilo | 24/7 | — |
| 9 | Sunrun Solar | 57 | 2.3★ (9) | Hilo | Sat · Sun · Evenings | — |
| 10 | KURE ENERGY | 55 | 5.0★ (15) | Hawaiian Paradise Park, 24 mi away | Sat · Evenings | — |
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: 5.0★ from 122 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hilo
Ranked #2 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hilo
Ranked #3 because of its Google rating and trade focus: 4.9★ from 89 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawaiian Paradise Park, 8 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawaiian Paradise Park, 15 mi away
Ranked #5 because of its Google rating and review volume: 5.0★ from 125 Google reviews, the most in Hilo.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawaiian Paradise Park, 7 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 12 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawaiian Paradise Park, 14 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hilo
Ranked #8 because of its Google rating and trade focus: 3.5★ from 22 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hilo
Ranked #9 because of its Google rating and trade focus: 2.3★ from 9 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawaiian Paradise Park, 24 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawaiian Paradise Park, 24 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hilo
Ranked #12 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waimea, 35 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawaiian Paradise Park, 26 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawaiian Paradise Park, 18 mi away
Ranked #15 because of its Google rating and trade focus: 4.6★ 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 Hilo
Ranked #16 because of its Google rating and review volume: 4.1★ from 29 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hilo
Ranked #17 because of its Google rating and trade focus: 3.9★ from 22 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hawaiian Paradise Park, 15 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hilo
Ranked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Hawaiian Paradise Park, 26 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hilo
Ranked #21 because of its Google rating and trade focus: 2.3★ from 6 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
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 |
|---|---|---|
| American Electric Company, LLC | In Hilo | |
| Argus Building Supply, LLC | 4.9★ (24) | In Hilo |
| Gexpro | 5.0★ (3) | In Hilo |
| Hawaiian Solar & Plumbing | In Hilo | |
| Hilo Roofing Crew | 4.1★ (20) | In Hilo |
| Huaka'i Solar and Electric LLC | 10 mi | |
| Island PV Solutions Hawaii | 5.0★ (2) | 28 mi |
| Laakea Solar Technology LLC | In Hilo | |
| Mattos Electric, LLC | 3.9★ (12) | In Hilo |
| Moke's Electric | 4.4★ (7) | In Hilo |
| Pacific Solar Products Inc | 5.0★ (1) | 7 mi |
| Solar Aide Company | 7 mi | |
| Solar Saint LLC | 4.0★ (1) | In Hilo |
| Solar Saint LLC | 5.0★ (1) | 8 mi |
| SunLight Solar LLC | 5.0★ (1) | 10 mi |
| Sunspear Energy | 5.0★ (2) | In Hilo |
| T & T Electric, Inc. | In Hilo | |
| Walter's Electric Inc | 4.4★ (14) | In Hilo |
| Yama's Roofing | 4.5★ (61) | In Hilo |
| Yamamoto Electrical Services | 5.0★ (5) | In Hilo |
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 21 Hilo 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.
| Factor | Weight | Computed from | In Hilo 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 |