9 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Portland: Solar Sudz, CR Score 64/100; 5.0★ from 21 Google reviews; open 24/7.
Best for emergencies (open 24/7): Ambit Energy low rates solution, posts 24/7 hours; ranked #3 of 9.
Most-reviewed: Solar Power Integrator, 39 Google reviews at 5.0★, the most of 9 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Portland solar installers are ranked here by CR Score, from ten published factors. 4 are open 24/7, 4 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 5.0★ across 9 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Solar Sudz | 64 | 5.0★ (21) | Robstown, 19 mi away | 24/7 | Overall |
| 2 | Tier 1 Solar | 61 | 5.0★ (22) | Corpus Christi, 7 mi away | Evenings | — |
| 3 | Ambit Energy low rates solution | 60 | 5.0★ (4) | La Homa, 8 mi away | 24/7 | Emergencies |
| 4 | Solar Clean | 57 | 5.0★ (20) | Corpus Christi, 35 mi away | 24/7 | — |
| 5 | Solar Power Integrator | 57 | 5.0★ (39) | Corpus Christi, 18 mi away | — | Most reviews |
| 6 | CC SOLAR | 57 | 5.0★ (22) | Corpus Christi, 7 mi away | — | — |
| 7 | Your Solar Energy Tx | 56 | 3.7★ (3) | Alvin, 27 mi away | 24/7 | — |
| 8 | ERI Gate Systems | 52 | 5.0★ (7) | Aransas Pass, 12 mi away | — | — |
| 9 | G&C Optimization | 48 | 5.0★ (3) | Corpus Christi, 9 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: 5.0★ from 21 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Corpus Christi, 7 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Homa, 8 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ 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 Corpus Christi, 35 mi away
Ranked #4 because of its Google rating and review volume: 5.0★ from 20 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Corpus Christi, 18 mi away
Ranked #5 because of its Google rating and review volume: 5.0★ from 39 Google reviews, the most in Portland.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Corpus Christi, 7 mi away
Ranked #6 because of its Google rating and review volume: 5.0★ from 22 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alvin, 27 mi away
Ranked #7 because of its Google rating and trade focus: 3.7★ 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 Aransas Pass, 12 mi away
Ranked #8 because of its Google rating and review volume: 5.0★ from 7 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Corpus Christi, 9 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Automation company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Typical prices in USD, adjusted for Texas with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $25,490 | $28,830 | $31,360 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.93 West South Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 9 Portland 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 Portland 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 |