48 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Warren: Four Seasons Kanga Roof, CR Score 59/100; 4.8★ from 953 Google reviews; open 24/7.
Best for emergencies (open 24/7): Kearns Brothers, posts 24/7 hours; ranked #4 of 48.
Most-reviewed: Oak Electric Service, Inc., 2,214 Google reviews at 4.8★, the most of 48 ranked; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
48 Warren solar installers are ranked here by CR Score, from ten published factors. 7 are open 24/7, 19 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.8★ across 48 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Four Seasons Kanga Roof | 59 | 4.8★ (953) | Roseville, 3 mi away | 24/7 | Overall |
| 2 | Streamline Electric, Inc. | 57 | 4.7★ (346) | Detroit, 9 mi away | — | — |
| 3 | ESCON Power Solutions | 57 | 4.9★ (136) | Clinton Township, 8 mi away | — | — |
| 4 | Kearns Brothers | 56 | 4.7★ (843) | Livonia, 19 mi away | 24/7 | Emergencies |
| 5 | Water Winter Solar Installers Co | 55 | 4.4★ (7) | Auburn Hills, 17 mi away | 24/7 | — |
| 6 | Strawberry Solar | 54 | 4.6★ (71) | Detroit, 10 mi away | — | — |
| 7 | Infinity and Beyond Solar | 54 | 4.8★ (17) | Romulus, 23 mi away | 24/7 | — |
| 8 | Solar ReAction LLC | 54 | 4.2★ (15) | Clinton Township, 8 mi away | — | — |
| 9 | GreenLancer | 54 | 4.9★ (38) | Detroit, 11 mi away | — | — |
| 10 | Rapid Solar | 54 | 5.0★ (12) | Amherstburg, 14 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 review volume: 4.8★ from 953 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Detroit, 9 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 346 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clinton Township, 8 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 136 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Livonia, 19 mi away
Ranked #4 because of its Google rating and review volume: 4.7★ from 843 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn Hills, 17 mi away
Ranked #5 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Detroit, 10 mi away
Ranked #6 because of its Google rating and trade focus: 4.6★ from 71 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Romulus, 23 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ 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 Clinton Township, 8 mi away
Ranked #8 because of its Google rating and trade focus: 4.2★ from 15 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Detroit, 11 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amherstburg, 14 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Milford, 27 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ 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 Auburn Hills, 14 mi away
Ranked #12 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.
Based in Farmington Hills, 21 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 149 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 14 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amherstburg, 14 mi away
Ranked #15 because of its Google rating and trade focus: 4.6★ 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 Auburn Hills, 23 mi away
Ranked #16 because of its Google rating and review volume: 4.8★ from 2,214 Google reviews, the most in Warren.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Detroit, 10 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Novi, 23 mi away
Ranked #18 because of its Google rating and trade focus: 4.0★ from 249 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Troy, 8 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amherstburg, 24 mi away
Ranked #20 because of its Google rating and trade focus: 4.5★ from 88 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Troy, 8 mi away
Ranked #21 because of its Google rating and trade focus: 4.4★ from 13 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Park, 9 mi away
Ranked #22 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.
Based in Beverly Hills, 21 mi away
Ranked #23 because of its Google rating and review volume: 4.9★ from 571 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Highland Park, 8 mi away
Ranked #24 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 Auburn Hills, 13 mi away
Ranked #25 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Typical prices in USD, adjusted for Michigan with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $26,020 | $29,430 | $32,010 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.95 East North Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 48 Warren 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 Warren 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 |