61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 720 Google reviews, the most in Kahului.
- 4.8★ from 720 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 360 Papa Pl, Kahului, HI 96732
Best Solar Installers in Kahului, HI (2026)
30 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Kahului: Allens Plumbing, CR Score 61/100; 4.8★ from 720 Google reviews; open 24/7.
- 21
Best for emergencies (open 24/7): Aloha Exterior Cleaning, posts 24/7 hours; ranked #21 of 30.
- 2
Most-reviewed: Sunrun Solar, 79 Google reviews at 4.6★, the most of 30 ranked after Allens Plumbing; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
30 Kahului solar installers are ranked here by CR Score, from ten published factors. 3 are open 24/7, 14 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.9★ across 30 rated businesses.
Top 10 solar installers in Kahului at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Allens Plumbing | 61 | 4.8★ (720) | Kahului | 24/7 | Overall |
| 2 | Sunrun Solar | 61 | 4.6★ (79) | Kahului | Sat · Sun | Most reviews |
| 3 | Maui Sun Solar | 59 | 4.9★ (53) | Haiku-Pauwela, 11 mi away | Sat · Sun | — |
| 4 | WikiWiki Solar and Electric | 58 | 4.7★ (36) | Kahului | Sat | — |
| 5 | Rising Sun Maui | 57 | 4.7★ (57) | Kahului | — | — |
| 6 | Haleakala Solar & Roofing | 57 | 3.5★ (35) | Kahului | Sat · Sun · Evenings | — |
| 7 | Pacific Energy | 55 | 4.8★ (37) | Haiku-Pauwela, 8 mi away | — | — |
| 8 | Maui Solar Shine | 55 | 5.0★ (12) | Waihee-Waiehu, 10 mi away | Sat | — |
| 9 | ProVision Solar | 55 | 4.8★ (16) | Kahului | — | — |
| 10 | Maui Solar Pros Inc. | 55 | 5.0★ (8) | Haiku-Pauwela, 5 mi away | Sat | — |
The 30 best solar installers in Kahului, 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.
#2 Sunrun Solar
Based in Kahului
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.6★ from 79 Google reviews, listed on Google as “Solar energy company”.
- 4.6★ from 79 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 35 La'a St, Kahului, HI 96732
Based in Haiku-Pauwela, 11 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 53 Google reviews, listed on Google as “Solar energy system service”.
- 4.9★ from 53 Google reviews
- Hours
- Mon–Sat 9 AM–5 PM · Sun 9 AM–3 PM
Based in Kahului
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 36 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 36 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat 9 AM–1 PM · Sun closed
- Address
- 330 Hoohana St Unit B14, Kahului, HI 96732
Based in Kahului
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 57 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 57 Google reviews
- Hours
- Mon–Fri 9 AM–4 PM · Sat–Sun closed
- Address
- 269 Papa Pl STE 18A, Kahului, HI 96732
Based in Kahului
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 3.5★ from 35 Google reviews, listed on Google as “Solar energy company”.
- 3.5★ from 35 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 220 Lalo St #1, Kahului, HI 96732
Based in Haiku-Pauwela, 8 mi away
55/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 37 Google reviews, listed on Google as “Solar energy company”.
- 4.8★ from 37 Google reviews
- Hours
- Mon–Fri 9 AM–4 PM · Sat–Sun closed
- Address
- 340 Ohukai Rd Ste 207, Kihei, HI 96753
Based in Waihee-Waiehu, 10 mi away
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Solar panel maintenance service”.
- 5.0★ from 12 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
Based in Kahului
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Solar energy company”.
- 4.8★ from 16 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 72 Lauo Lp Ste 107, Kahului, HI 96732
Based in Haiku-Pauwela, 5 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 8 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
Based in Haiku-Pauwela, 11 mi away
54/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 21 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
Based in Kahului
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.2★ from 20 Google reviews, listed on Google as “Solar energy company”.
- 4.2★ from 20 Google reviews
- Hours
- Mon–Fri 9 AM–4 PM · Sat–Sun closed
- Address
- 358 Papa Pl, Kahului, HI 96732
#13 HI PRESSHA LLC
Based in Hawaiian Paradise Park, 34 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Solar panel maintenance service”.
- 5.0★ from 30 Google reviews
- Hours
- Mon–Fri 8:30 AM–1 PM · Sat–Sun 8:30 AM–2 PM
Based in Haiku-Pauwela, 11 mi away
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 20 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
Based in Kahului
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 8 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 400 Hana Hwy Unit B, Kahului, HI 96732
#16 Maui Refresh llc
Based in Kula, 11 mi away
54/100CR ScoreRanked #16 because of its Google rating and review volume: 4.9★ from 71 Google reviews.
- 4.9★ from 71 Google reviews
- Hours
- Mon–Sun 7 AM–6 PM
Based in Kula, 11 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Solar energy system service”.
- 5.0★ from 17 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 171 Auhana Rd, Kihei, HI 96753
Based in Haiku-Pauwela, 9 mi away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat 8 AM–12 AM · Sun closed
Based in Haiku-Pauwela, 7 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 10 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
#20 HNU Energy
Based in Kahului
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.5★ from 6 Google reviews, listed on Google as “Solar energy company”.
- 4.5★ from 6 Google reviews
- Hours
- Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
- Address
- 320 Hoohana St, Kahului, HI 96732
Based in Kula, 15 mi away
52/100CR ScoreRanked #21 because of its Google rating and availability: 4.9★ from 17 Google reviews, open 24/7.
- 4.9★ from 17 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 459 Middle Rd, Kula, HI 96790
Based in Wailuku, 1 mi away
52/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.6★ from 29 Google reviews, listed on Google as “Solar energy equipment supplier”.
- 4.6★ from 29 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 800 Eha St # 33, Wailuku, HI 96793
Based in Kula, 10 mi away
52/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
- 5.0★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2679 Wai Wai Pl #301, Kihei, HI 96753
Based in Lahaina, 14 mi away
50/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 3 Google reviews
- Hours
- Mon–Thu 9 AM–4:30 PM · Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 2010 HI-30 c-1, Lahaina, HI 96761
Based in Kula, 11 mi away
49/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 4 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 10 AM–3 PM · Sun closed
All 30 solar installers
#1 to #25 are shown in full above. Here are #26 to #30, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Blessed Hale LLC - GoNano Maui | 49 | 5.0★ (6) | 11 mi |
| 27 | Alpha Inc. | 48 | 4.4★ (16) | In Kahului |
| 28 | Maui Pacific Solar Inc | 47 | 3.7★ (6) | 11 mi |
| 29 | CDF Engineering | 46 | 5.0★ (4) | 1 mi |
| 30 | Aloha Sheet Metal | 45 | 3.7★ (3) | 5 mi |
Also serving Kahului
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 |
|---|---|---|
| Alternate Energy Inc | In Kahului | |
| Connect Electric & Solar | 5.0★ (1) | 11 mi |
| Connect Electric & Solar | 7 mi | |
| Hawaii Electrical Solutions LLC | 5.0★ (2) | 33 mi |
| Hawaii Solar & Wind, LLC | 3 mi | |
| Hawaii Solar and Wind | 11 mi | |
| Ho'okele Solar | 11 mi | |
| Kalakia Solar | 12 mi | |
| Kihei Plumbing LLC | 11 mi | |
| Mana Maui Solar | 5.0★ (1) | 10 mi |
| Maui Energy Advisors | 11 mi | |
| Maui Roofing | 3.0★ (2) | 10 mi |
| Maui Solar Panel Cleaning | 9 mi | |
| Maui Solar Power Pros | 11 mi | |
| Maui Sun Solar | 8 mi | |
| Neighborhood Power Corporation | In Kahului | |
| Solar Power & Storage LLC | 2 mi | |
| Solar Sensei | 11 mi | |
| Solar Solution Hawaii LLC | 5.0★ (1) | 11 mi |
| Takatini Solutions | 5.0★ (2) | 13 mi |
How much do solar installers cost in Kahului?
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 |
How we ranked Kahului solar installers
We scored 30 Kahului 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 Kahului 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 |
Solar installers in Kahului: frequently asked questions
Who is the best solar installer in Kahului?
By CR Score, the highest-ranked solar installer in Kahului, HI is Allens Plumbing with a CR Score of 61/100. It has 4.8★ from 720 Google reviews. It is open 24/7. Sunrun Solar (#2) and Maui Sun Solar (#3) follow. We ranked 30 solar installers on ten factors, last updated October 22, 2026.
How many solar installers are there in Kahului?
ContractorsRanked ranks 30 solar installers serving Kahului, HI. 10 of them are based in Kahului; 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 Kahului are open 24/7?
3 ranked solar installers in Kahului post 24/7 hours. The highest-ranked are Allens Plumbing (#1), Aloha Exterior Cleaning (#21) and PIEZOELECTRIC LLC (#23). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which solar installers in Kahului work on weekends?
14 of 30 ranked solar installers post Saturday hours and 9 post Sunday hours. The highest-ranked open Saturdays are Allens Plumbing (#1), Sunrun Solar (#2) and Maui Sun Solar (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does solar panel installation cost in Kahului?
Solar panel installation typically costs $29,770 to $36,640, with $33,680 typical (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)). The range is adjusted for Hawaii. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Kahului solar installers have?
The median Google rating among 30 rated solar installers in Kahului is 4.9★, with a median of 17 reviews. Allens Plumbing has the most, 720 reviews, and ranks #1. 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 Kahului count in this ranking?
Yes, if they are within 40 mi of the Kahului 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 Kahului
- October 2026: CR Scores recalculated for 30 solar installers serving Kahului.
More solar installers and Kahului pages
Solar installers near Kahului
- Solar installers in Wailuku, HI30 ranked
- Solar installers in Waihee-Waiehu, HI30 ranked
- Solar installers in Kīhei, HI30 ranked
- Solar installers in Pukalani, HI30 ranked
- Solar installers in Makawao, HI30 ranked
- Solar installers in Haiku-Pauwela, HI30 ranked
- Solar installers in Kula, HI30 ranked
- Solar installers in Lahaina, HI30 ranked
- Solar installers in Wailea, HI30 ranked
- Solar installers in Napili-Honokowai, HI29 ranked
Other trades in Kahului
- Roofers in Kahului26 ranked
- Plumbers in Kahului29 ranked
- Electricians in Kahului31 ranked
- HVAC contractors in Kahului26 ranked
- General contractors in Kahului42 ranked
- Painters in Kahului30 ranked
- Landscapers in Kahului34 ranked
- Handymen in Kahului24 ranked
- Kitchen remodelers in Kahului22 ranked
- Bathroom remodelers in Kahului17 ranked
- Flooring contractors in Kahului22 ranked
- Tile installers in Kahului16 ranked
- Concrete contractors in Kahului9 ranked
- Fence contractors in Kahului7 ranked
- Deck builders in Kahului6 ranked
- Window installers in Kahului5 ranked
- Gutter installers in Kahului15 ranked
- Foundation repair companies in Kahului5 ranked
- Tree services in Kahului27 ranked
- Masonry contractors in Kahului10 ranked
- Water damage restoration companies in Kahului14 ranked
- Home builders in Kahului15 ranked
- All contractors in Kahului