Perth has dozens of solar companies, and the right one depends entirely on what you’re installing. We round up seven of Perth’s leading solar installers for 2026 — who they suit, what they’re known for, and how to pick the right one for your home or business.
Searching for the “best solar installers Perth” returns directories, ad listings and review aggregators, but very little that actually helps you decide.
The truth is that there’s no single best solar installer for everyone. A high-volume operator is perfect for one household and completely wrong for the next. The company that wins awards for installation volume may not be the one you want designing a complex battery and backup setup.
This guide cuts through it. We compare seven of Perth’s leading solar companies across the things that genuinely matter — licensing, experience, residential and commercial track record, industry recognition and the kind of project each tends to suit — so you can match the right installation team to your roof.
Quick Comparison
The seven best solar installers Perth has to offer for 2026 at a glance. Scroll across on mobile to see every column.
| Company | Specialism | Experience | Scope | Residential / Commercial | Recognition |
| Vista Electrical Controls | One team to design, install & service | Family-owned, since 2018 | Solar, battery storage & repairs — in-house | Residential & commercial | EC13384 · SAA-accredited team · 4.8★ Google |
| PSW Energy (Perth Solar Warehouse) | High-volume, award-backed installer | Since 2013 | Solar, batteries & EV chargers | Residential & commercial | Four 2026 SunWiz Awards; EUPD Research Top Brand PV |
| Regen Power | Engineering-led WA veteran | Since 2003 (20+ yrs) | Solar, batteries & off-grid | Residential & commercial | 45,000+ systems; NETCC-approved |
| Perth Solar Force | Solar, batteries & EV chargers | Since 2016 | Supply & install | Mainly residential | 40,000+ installations; near-5★ Google |
| Solargain | National brand with a big service arm | WA-founded | Install, service & repairs | Residential & commercial | ISO 9001/45001 |
| Koala Solar | Value residential installs | Since 2016 | Supply & install | Mainly residential | 250+ reviews; 10-yr workmanship warranty |
| Positive Energy Solutions | Budget-friendly newer entrant | Since 2021 | Supply & install | Mainly residential | Strong early review profile; NETCC |
Details drawn from each company’s own website and public award records (July 2026); claims are each company’s own. The order reflects our editorial view of best fit by project type, not an independent ranking.
What Makes a Great Solar Installer in Perth?
Before you compare names, it helps to know what separates a good solar installer from an average one. Here are the things worth weighing for your own project.
One team, end to end
The best results come when design, installation and aftercare sit under one roof. A single accountable installation team means no gap between the system you were sold and what actually gets installed — and no finger-pointing between a solar retailer and the subcontractor who did the work.
Local climate and grid knowledge
Perth’s high UV, coastal salt air and long, hot summers are unforgiving on cheap hardware, while Western Power’s grid rules shape what you’re allowed to connect.
Choose a local installer who understands Perth’s specific climate conditions and requirements. With over 300 sunny days a year, Perth is ideal for solar energy — Western Australia is arguably the best place in the country for renewable energy, and quality solar panels installed properly here will produce for decades.
Licensed, accredited and accountable
Every legitimate installer in Western Australia must hold a WA electrical contractor (EC) licence, and the people on the roof should hold Solar Accreditation Australia (SAA) accreditation — the scheme that took over from the Clean Energy Council.
Accreditation ensures systems meet industry best practices and Australian Standards, and CEC accredited installers ensure compliance with industry standards. You can also verify preferred installers via the Western Power or Clean Energy Council portal.
A real, relevant track record
Independent recognition — SunWiz Award wins, EUPD Research ratings and consistent Google reviews across review sites — signals quality.
But the most useful proof is a portfolio of completed installations similar to yours, on roofs like yours, that you can actually check. High ratings from a handful of reviews mean far less than hundreds of consistent ones.
Clear communication
Solar projects live or die on communication. The best installers explain your options in plain English, keep you informed through the whole process — quote, grid approval, installation day, meter change — and answer the phone after handover.
Customers of the top companies mention great communication and efficient service again and again; that’s no accident.
Breadth of services
If your project involves solar panels, a battery system, reliable inverters and eventually EV chargers, a full-service Perth solar company can deliver it as one coordinated system — rather than you stitching separate suppliers together yourself.
Solar batteries store energy for use during non-sunny periods, so a company that designs solar and storage together will size both correctly.
7 Leading Solar Installers in Perth for 2026
Each of these companies does strong work in Perth — what differs is the kind of project each tends to suit. Use it as a starting point for your own shortlist.
The details below are drawn from each company’s own website and public records (July 2026), so the claims are each company’s own — and we’d encourage you to do your own research too, comparing shortlisted companies against broader markets and review platforms.
1. Vista Electrical Controls
Full-service · solar installation, battery storage & aftercare
Vista Electrical Controls is our pick for homeowners and businesses that want the whole job handled by one accountable team. A family-owned Perth solar company operating since 2018, Vista is a WA Licensed Electrical Contractor (EC13384) with in-house teams of SAA-accredited designers and installers — an electrical contractor first, not a sales office.
More than 3,000 projects across Perth and regional Western Australia later, its 4.8-star Google rating and a SolarQuotes score ranking higher than 84 percent of installers with 25+ reviews speak to consistent customer satisfaction: reviewers repeatedly describe great service, a smooth whole process and an installation team that turns up when promised.
The breadth matters too. Vista handles solar panel installation in Perth, battery storage and solar repairs, with quality solar panels from Tier 1 panel manufacturers — Trina, Jinko, Risen and JA Solar — matched with proven inverters and batteries from Sigenergy, BYD, Sungrow and GoodWe. Because design, installation and aftercare sit in-house, the system that’s quoted is the system that’s installed — sized to your energy usage, your roof and your budget.
- In-house design + install + service
- Residential & commercial
- Family-owned, since 2018
- EC13384 · SAA-accredited team
- 4.8★ Google · 4.9★ SolarQuotes
2. PSW Energy (Perth Solar Warehouse)
High-volume, award-backed installer
Perth Solar Warehouse — now trading as PSW Energy, a McKercher Corporation subsidiary — is one of the biggest names in the WA solar market. Trading since 2013 from bases in Bibra Lake and Neerabup, the company collected four SunWiz Award titles in 2026, compiled independently from installation volumes and verified review data, and has held EUPD Research Top Brand PV installer recognition for consecutive years. Its site also notes recognition as a top 10 solar installer for 2023.
PSW Energy runs ISO 9001, 14001 and 45001 certified management systems — rare among residential installers — and covers solar, batteries and EV chargers. The trade-off of that scale is a more process-driven experience than a smaller operator provides, but for buyers who want a large, established Perth solar company with independent awards behind it, PSW Energy belongs on the shortlist.
- Since 2013
- Four 2026 SunWiz Awards
- EUPD Research Top Brand PV, consecutive years
- ISO 9001/14001/45001
- Residential & commercial
3. Regen Power
Engineering-led WA veteran
Regen Power is the veteran of this list. Operating from Canning Vale since 2003, it’s one of the longest-trading solar installers in Western Australia — according to its website, more than 45,000 solar systems installed nationwide since 2003, spanning residential solar, commercial solar and off-grid projects. It’s a NETCC-approved retailer installing tier-one panels from brands like JA Solar and Trina, backed by a 10-year workmanship warranty.
Two decades of trading matters in this industry: a warranty is only worth something if the company is still around to honour it. Regen Power’s longevity, review volume and engineering-led approach make it a proven choice, particularly for larger or more complex jobs — including off-grid solar systems, which can include hybrid solar-wind-storage solutions.
- Since 2003 (20+ years)
- 45,000+ systems installed
- NETCC-approved
- Off-grid capability
4. Perth Solar Force
Solar, battery storage & EV chargers
Perth Solar Force has grown quickly since launching in 2016, expanding from residential solar into battery storage systems and EV chargers. According to its website, the company has completed over 40,000 solar installations since 2016, and Solar Force maintains a near-five-star average across Google reviews, with customers repeatedly praising great service and quick turnaround times.
It’s a strong mid-market option: competitive pricing without the corner-cutting that plagues Perth’s cheapest operators, and a growing EV charger arm for households planning to pair rooftop solar power with an electric vehicle over the next few years.
- Since 2016
- 40,000+ installations
- Near-5★ Google average
- EV chargers
5. Solargain
National brand with a big service arm
Solargain is one of the most established solar companies in Western Australia — WA-founded and now operating nationally, with ISO 9001 and 45001 certifications and one of the biggest maintenance and repair operations in the state. That service department is especially useful for owners of older or orphaned systems whose original installer has disappeared.
As a national brand, Solargain offers standardised packages with tier-one hardware and dependable processes. It won’t always be the cheapest quote, and the experience is more corporate than boutique, but its scale gives buyers confidence the warranty will be honoured a decade from now.
- WA-founded, national footprint
- ISO 9001/45001
- Large service & repairs division
- Residential & commercial
6. Koala Solar
Value residential installs
Koala Solar has built a loyal following in the Perth market since 2016 on the back of sharp pricing and consistently high ratings — its Google review profile runs well past 250 reviews at a near-perfect average. The company holds its own EC licence, is NETCC-approved and offers a 10-year workmanship warranty on installations.
Koala positions itself in the value segment of the market: solid tier-one panels and inverters at price points that suit budget-conscious households. Buyers wanting premium battery integration or complex commercial work may be better served elsewhere on this list, but for straightforward residential installs the value is hard to argue with.
- Since 2016
- 250+ reviews at high ratings
- 10-year workmanship warranty
- Value-focused
7. Positive Energy Solutions
Budget-friendly newer entrant
Positive Energy Solutions rounds out the list. Based in Osborne Park and trading since 2021, the company has quickly earned a reputation for value for money and attentive service across the Perth metro area, with well-priced packages built around recognised panel brands and NETCC approval.
As a younger business, Positive Energy doesn’t yet have the long warranty track record of Regen Power or Solargain — which is what keeps it at the tail of this list — but its early review profile is strong, and it’s one to watch as the company matures.
- Since 2021
- Osborne Park based
- NETCC approval
- Strong early reviews
What Shapes the Cost of a Solar System in Perth
You’ll notice we haven’t quoted package prices — and that’s deliberate. Every solar installation is quoted individually, because no two Perth homes use energy the same way. What actually drives the figure is the system size, the hardware you choose (panels, inverter, battery), the roof itself — pitch, height, access and switchboard — and how much of your energy usage you want to cover. Beware of heavily discounted offers, as they may indicate poor quality; quality installations require a balance of quality and cost, not a race to the bottom.
Incentives do a lot of the heavy lifting in 2026 — there has never been a cheaper time to install solar panels in Perth. Under the federal Small-scale Technology Certificate scheme, homeowners receive STCs that lower solar installation costs on every solar PV system at the point of sale. The Cheaper Home Batteries Program cuts roughly 30 percent off an eligible solar battery system, and the WA Residential Battery Scheme offers rebates for battery storage for Synergy and Horizon Power customers. Stacked together, these solar incentives significantly reduce upfront costs for homeowners — and with solar panels able to save homeowners up to 50 percent on electricity bills, most systems pay for themselves within a few years while cutting greenhouse gas emissions every day they run.
The reliable way to understand your number is a proper assessment of your usage and roof. Try Vista’s solar cost calculator for a quick estimate, or request a free, no-obligation quote — call (08) 6029 5706 and the team will recommend the right system for your home and budget.
Planning Your System: Sizes, Roof Space and Grid Rules
Before comparing quotes, it helps to know what physically fits. Perth residential solar systems typically range from 6.6kW to 15kW, while commercial solar systems can range from 10kW to 100kW or more. As a rule of thumb, a typical 6.6kW solar system requires about 30-32 square meters of unshaded roof space — something most Perth homes have comfortably, since solar panels can be installed on almost any sturdy roof. If you’re unsure where to start, work through what size solar system you need before you book quotes.
Grid rules matter too. The inverter must comply with Western Power’s requirements for grid connection, which is why reputable installers handle the approval paperwork before installation day. And one detail that surprises many buyers: most solar systems automatically shut down during a blackout as a safety measure, so the lights only stay on if you add a battery with backup capability.
Maintenance, Lifespan and Long-Term Value
Solar is a low-effort investment once installed. Solar power systems have low maintenance costs compared to other energy sources — there are no moving parts on the roof. That said, regular maintenance maximizes solar system efficiency and longevity, thorough inspections keep solar panels and inverters in optimal condition, and solar systems require periodic servicing to ensure effective energy generation across their 25-year life. A standard product warranty lasts at least 10 years on tier-one hardware, with panel performance warranties running to 25.
The payoff goes beyond the power bills. Australian property research suggests solar energy systems can increase home value by 4.1% on average — buyers increasingly treat a well-documented system on the house as a genuine asset rather than an optional extra.
6 Checks Before You Choose a Perth Solar Installer
Whichever company you lean towards, run through this list before you sign anything. It’s the fastest way to separate a good solar installer from an expensive mistake.
- Licensed & accredited. Confirm the EC licence number and SAA accreditation before any work starts — both are on public registers, and any reputable installer will provide them without hesitation.
- In-house or subcontracted? Ask who actually does the work. In-house installation teams generally mean tighter quality control and clearer accountability than a solar retailer outsourcing to whoever is available that week.
- Written, itemised quote. Get the exact panel, inverter and battery models in writing — with warranties, inclusions and a schedule — so there are no surprises on installation day.
- Genuine reviews. Read recent Google reviews across review sites, and check installers’ worst-case reviews to verify after-sales service — how a company handles problems tells you more than its five-star raves.
- Tier 1 hardware. Confirm the installer uses reputable equipment from Tier 1 panel manufacturers, with a standard warranty for solar systems of at least 10 years.
- Three quotes minimum. Obtain quotes from at least three companies to compare system components, warranties and price. Look for experienced local companies that are certified — they’ll happily be compared.
Why Vista Electrical Controls Stands Out
Plenty of Perth firms do one part of the job brilliantly — volume, or budget installs, or commercial contracts. Vista’s edge is bringing the whole system together under one accountable team: the same licensed electricians design, install and service your perth solar system, and there’s a single point of contact who stands behind the result long after handover as supported by new 2026 guide ranks Perth’s top Perth Solar Installers article.
That means your residential solar or commercial solar system is engineered for your site rather than pulled off a shelf, your panels, inverter and battery are chosen to work as one, and lower power bills — not a sales target — drive the design. Backed by EC13384 licensing, SAA-accredited in-house teams and thousands of installs across Perth and regional WA, it’s the safe, top-rated solar choice for anyone who simply wants renewable energy done properly the first time.
★★★★★
“From the moment I started talking with Peter I knew I was in safe hands.”
John — verified SolarQuotes review, WA 6167 (December 2024)
Best Solar Installers in Perth: FAQs
Who is the best solar installer in Perth?
There’s no single best solar installer for everyone — the right choice depends on what you’re installing. For homeowners and businesses that want one accountable, licensed team to design, install and service the whole system, our pick of the best solar installers Perth offers is Vista Electrical Controls (EC13384), family-owned and operating since 2018. If you want the largest award-backed volume operator, PSW Energy is worth a look; for two decades of engineering pedigree, consider Regen Power. All three sit among the best solar companies in the state.
How much does a solar power system cost in Perth?
Every system is quoted individually, because no two homes use energy the same way. The biggest factors are system size, hardware choice, roof access and whether a battery is included — and 2026’s incentives (STCs, the Cheaper Home Batteries Program and the WA Residential Battery Scheme) significantly reduce what you pay upfront. The reliable way to understand cost is a free, no-obligation quote from a licensed installer who assesses your actual energy bills and usage.
Should I buy from a solar retailer or an electrical contractor?
A solar retailer sells you the system but often subcontracts the installation; a licensed electrical contractor designs and installs with its own teams, so one business is accountable for the result. If you want a single point of contact from quote to switch-on — and for warranty claims years later — choose a contractor-led company with an in-house installation team.
Do Perth solar installers handle Western Power approval and rebate paperwork?
Full-service installers do. Grid-connected solar needs Western Power approval before installation and a meter reconfiguration by Synergy afterwards, and the rebates are claimed through paperwork at the point of sale. Established companies manage all of it in-house, so you’re not left chasing approvals yourself.
How long does solar installation take in Perth?
The physical install of a residential system is usually completed in a single day, with larger or more complex jobs taking two. The full journey — quote, design, grid approval, installation and meter change — typically runs two to six weeks from signed quote to switch-on. Most solar panel installation slots in Perth are booked a few weeks out, so lock in dates early.
What should I look for when choosing a solar installer in Perth?
Check the EC licence and SAA accreditation, ask whether the installation team is in-house or subcontracted, get the exact hardware models in a written quote, read genuine Google reviews and third-party review sites, and confirm the warranty and aftercare on offer. Local knowledge of Perth’s climate, roofs and grid rules is the strongest signal of a good solar installer who’ll get it right the first time — turning all those sunny days into decades of cheap, clean power.