14 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Perth: Future Solar and Electric, CR Score 85/100; 4.9★ from 22 Google reviews; open 24/7.
Most-reviewed: Denoco Energy Systems Ltd, 102 Google reviews at 4.6★, the most of 14 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
14 Perth solar installers are ranked here by CR Score, from 8 published factors. 1 is open 24/7 and 6 open Saturdays, based on posted hours. The median Google rating is 4.8★ across 14 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Future Solar and Electric | 85 | 4.9★ (22) | Carleton Place, 27 km away | 24/7 | Overall |
| 2 | SunShine Solar Power Inc. | 79 | 4.9★ (24) | Nepean, 46 km away | Sat · Evenings | — |
| 3 | Total Battery | 75 | 4.7★ (89) | Kanata, 50 km away | Sat | — |
| 4 | Kajk Constructors Inc I Solar Energy & Green Retrofits Contractor | 75 | 5.0★ (38) | Ottawa, 62 km away | — | — |
| 5 | iSolara Solar Power | 75 | 5.0★ (31) | Nepean, 63 km away | — | — |
| 6 | Superior Gen Power Solutions | 74 | 5.0★ (7) | Nepean, 60 km away | Sat · Evenings | — |
| 7 | Denoco Energy Systems Ltd | 74 | 4.6★ (102) | Smiths Falls, 19 km away | — | Most reviews |
| 8 | TLCSolar | 72 | 4.7★ (12) | Nepean, 64 km away | Evenings | — |
| 9 | Total Battery | 71 | 4.2★ (78) | Nepean, 64 km away | Sat | — |
| 10 | Solacity Inc. | 70 | 4.8★ (49) | Ottawa, 51 km away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 22 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 46 km away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 24 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kanata, 50 km away
Ranked #3 because of its Google rating and review volume: 4.7★ from 89 Google reviews, 89 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 62 km away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 63 km away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 60 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Smiths Falls, 19 km away
Ranked #7 because of its Google rating and review volume: 4.6★ from 102 Google reviews, the most Google reviews on this list (102).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 64 km away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 64 km away
Ranked #9 because of its Google rating and review volume: 4.2★ from 78 Google reviews, 78 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 51 km away
Ranked #10 because of its Google rating and review volume: 4.8★ from 49 Google reviews, 49 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Napanee, 51 km away
Ranked #11 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kanata, 52 km away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Electrician”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Kanata, 52 km away
Ranked #13 because of its Google rating and review volume: 4.8★ from 20 Google reviews, 20 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 64 km away
Ranked #14 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
15 more solar installers within 64 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Alignsun Energy Solutions | 5.0★ (1) | 64 km |
| Arnprior Solar A & B | 57 km | |
| Arnprior Solar Project | 57 km | |
| BobolinkSolar | In Perth | |
| Capital Solar | 5.0★ (1) | 46 km |
| Ecosol Solar Technologies Inc | 63 km | |
| Elmsley East Solar | 14 km | |
| Global Environmental and Energy Consulting Services, Inc. | 56 km | |
| Innovative Cooling Technologies | 57 km | |
| Net Zero For Renewable Energy | 57 km | |
| Power 1 Solar | 62 km | |
| Solargy | 52 km | |
| Solarian Construction Inc | 5.0★ (1) | 54 km |
| SolarSecure | 64 km | |
| SULARE | 59 km |
US national ranges converted to CAD, not adjusted for Perth. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | CA$38,690 | CA$43,760 | CA$47,600 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 14 Perth 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 Perth 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 |