Best solar panel maintenance services in Perth Metropolitan
Seven Perth metro businesses that clean, repair or service solar systems, ranked by our methodology using ratings, review volume, recency and sentiment. Scores last updated 2026-10-05.
Several entries here are cleaning or installation firms where panel work sits alongside other services, so read each caveat. If you want to buy hardware rather than book maintenance, see the best solar energy equipment suppliers. Order follows the composite score, which rewards strong ratings, many recent reviews and consistent sentiment.
Picks are ranked by score and relevance to solar panel maintenance service, so a lower overall score can rank higher here.
At a glance
| # | Business | Score | Rating | From | Best for |
|---|---|---|---|---|---|
| 1 | Coates Window Cleaning | 90 | 5 (274) | — | Panel cleaning, reliable service |
| 2 | Perth Solar and Battery Repairs | 84 | 5 (73) | — | Repairs, inverters, batteries |
| 3 | Perth Solar Power Installations | 81 | 5 (35) | — | Upgrades, batteries, rebates |
| 4 | Flat Rate Professionals Exterior Cleaning | 77 | 5 (34) | — | Flat-rate roof cleaning |
| 5 | Perth Exterior Cleaning | 74 | 4.9 (25) | — | Short-notice panel and window cleans |
| 6 | Solahart Midland and Avon Valley | 73 | 4.4 (117) | — | Established brand, rural jobs |
| 7 | SG Wholesale | 34 | — | — | Bulk equipment buying |
Ranked picks
Coates Window Cleaning
Why it ranks first
A 5.0 rating across 274 reviews gives this the strongest evidence base here, with a high-confidence score of 90.2. Ellis and his team are praised for quick replies, fair upfront quotes and careful, on-time work across Perth metro.
Pros
- Fast response to calls and bookings
- Quotes stated upfront, fair pricing
- Thorough on detail work like screens and stained glass
- Residential and commercial jobs
Watch out: Reviews focus mostly on windows and gutters, with solar panel cleaning mentioned less often.
Services: Solar Panel Maintenance Service
Perth Solar and Battery Repairs
Why it ranks second
The pick for faults rather than dirty panels. Nick often diagnoses problems from photos or a phone call before attending, and reviewers talk up honest advice and fair prices. It holds 5.0 from 73 reviews and 14+ years trading.
Pros
- Remote diagnosis from photos and calls
- Same-day or next-day visits are common
- Honest quoting and clear explanations
- EC16127 certified, covers commercial work
Services: Solar Panel Maintenance Service, Solar Energy Company, Residential Solar Panel Systems, Solar Inverters & Components
Perth Solar Power Installations
Why it ranks third
Customers describe no-pressure advice, tidy and punctual crews, and real help with battery rebates and monitoring setup. A 5.0 from 35 reviews gives medium confidence, so the evidence is thinner than for the top two.
Pros
- Explains several options without pressure
- Helps with rebate paperwork
- Neat, tidy workmanship
- Handles later system upgrades
Watch out: Reviews lean toward installation and upgrades more than routine maintenance.
Services: Solar Energy Company, Battery Storage Systems, Solar Panel Maintenance Service, Solar Energy System Service
Flat Rate Professionals Exterior Cleaning
Why it ranks fourth
Reviewers report dramatic roof and exterior results at quoted flat rates with no upselling, and no complaints appear in recent reviews. It scores 5.0 from 34 reviews, though solar panels are not a highlighted service in the feedback.
Pros
- Flat-rate pricing, no hidden add-ons
- Roofs and driveways look like new
- One package covers several exterior areas
- Punctual, friendly technicians
Watch out: Feedback centres on roofs, driveways and gutters, not solar panels specifically.
Services: Solar Panel Maintenance Service, Solar Energy Company, Solar Energy System Service
Perth Exterior Cleaning
Why it ranks fifth
Charlie is praised for punctuality, courtesy and careful work on glass and panels, with solar cleaning listed as a capability. It holds 4.9 from 25 reviews, a medium-confidence score.
Pros
- Punctual, courteous service
- Attention to detail on glass and panels
- Short-notice availability
- Solar cleaning alongside window work
Watch out: One returning client reported booking difficulties and a no-show after confirming a date.
Services: Solar Panel Maintenance Service
Solahart Midland and Avon Valley
Why it ranks sixth
Installation crews, named in reviews as Aaron, Todd and Tony, get praise for quick, friendly work, and warranty claims are honoured. Sentiment is mixed at 4.4 from 117 reviews, with complaints about quote follow-up and rebate delays.
Pros
- Experienced crews known by name
- Travels to rural areas and handles complex builds
- Honours warranty claims
- Claims over 70 years of operation
Watch out: Several reviewers report slow or no reply to quotes, rebate paperwork delays and uneven finishing.
Services: Battery Storage Systems, Solar Energy Company, Solar Energy System Service, Solar Panel Maintenance Service
SG Wholesale
Why it ranks seventh
This is a wholesaler, not a maintenance specialist, and it has no Google reviews, so confidence is low. Its website lists panels, inverters, batteries, mounting systems and EV chargers, plus 11 years of operation.
Pros
- 11 years of operating history
- Panels, inverters and storage range
- Multi-state reach
Watch out: No review history, and no evidence of hands-on panel maintenance for households.
Services: Solar Hot Water Systems, Solar Energy System Service, Solar Panel Maintenance Service, Battery Storage Systems
How this ranking was calculated
| Signal | Weight |
|---|---|
| Review sentiment | 28% |
| Google rating | 26% |
| Review volume | 20% |
| Profile completeness | 16% |
| Review recency | 10% |
Ranking data checked 2026-10-05 · Full methodology ›
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Guides before you choose
- Solar panel cleaning in Perth: DIY or a professional
Government pages say only a qualified person should clean solar panels. See what REC and LONGi allow and what listed Perth cleaners publish for price.