Installer's honest guide, 2026

The solar panels we actually install, ranked with the catches

Nine panel brands, what the datasheet jargon actually means in plain English, and which panel suits which roof.

Tesla Certified Installer Enphase Certified Installer SAA Accredited Serving Melbourne's west & Geelong

Panel datasheets are full of terms designed to sound impressive rather than explain anything. N-type, TOPCon, half-cell, IBC. Most of it matters less than the warranty and the manufacturer behind it, but it's worth understanding before you compare two quotes with different numbers on them. Below, we explain the jargon simply, then rank the nine panel brands we actually put on Melbourne roofs, warts and all.

Best premium pickREC
Best all-rounderLONGi
Best valueTrina
Cleanest looking roofAIKO

The jargon, explained like you're ten

Cell type: N-type vs P-type

Think of it as two slightly different recipes

Every solar cell is made from silicon with a tiny pinch of another element added, and that pinch is what lets it push electricity out when the sun hits it. P-type is the older recipe. It's cheap, well proven, and it works, but it loses a small amount of its "pep" in the first few days of sunlight and keeps losing a little more every year after that. N-type is the newer recipe. It holds onto its power for longer and copes better with Australian heat.

In trade terms: N-type has now taken over as the mainstream standard. Every panel on this list uses N-type except where noted, and it's why panel warranties have stretched from the old 25-year standard out to 30 years.

Cell number: 96, 108, 120, 144, 156 half-cell

Think of a chocolate bar

Imagine each solar cell starts life as one full square, like a square of chocolate. Manufacturers slice that square in half with a laser, that's what "half-cell" means, because two half-pieces wired up cleverly crack less and squeeze out slightly more power than one whole piece. The number you see (96, 108, 144 and so on) is simply how many of those half-pieces are lined up to make the finished panel, exactly like counting how many squares are in a chocolate bar.

In trade terms: more cells means a physically bigger, more powerful panel, not a more efficient one. A 144 half-cell panel will pump out more watts than a 108 half-cell panel using the same cell technology, simply because it's a bigger sheet of chocolate, not because the recipe improved.

Cell technology: Mono, TOPCon, IBC

Think of a solar-powered calculator trying to catch every ray of light

Mono is the standard calculator, reliable, simple, does the job. TOPCon is the same calculator with a wafer-thin upgraded coating added underneath the surface that catches some of the light which would otherwise bounce away wasted, a genuine improvement rather than a marketing label. IBC (AIKO calls its version ABC) takes the fine metal wiring that normally runs across the front of the cell, where it blocks a sliver of sunlight, and tucks it entirely around the back instead. The whole front face is left clear for the sun, and it looks cleaner too, no visible grid lines, which is why AIKO's all-black panels stand out on a roof.

In trade terms: TOPCon is now the default across most of this list, IBC/ABC is the premium step above it. Neither is a scam, both are genuine, incremental engineering improvements over older PERC mono cells.

The two warranties, and why both matter

Every panel here carries two separate promises. The product warranty covers manufacturing defects, a cracked frame, a failed junction box, glass delamination. The performance warranty guarantees a minimum power output over time, usually landing somewhere between 87% and 92% of the original rating after 25 to 30 years. A panel can have a shorter product warranty than its performance warranty, that's not a typo, it's common across several Tier 1 brands and simply means the physical hardware guarantee is shorter than the output guarantee. Ask for both numbers, not just the headline one.

Panel brands' efficiency

Maximum module efficiency, current flagship residential model per brand

AIKO
25.0%
LONGi
24.0%
Trina
23.8%
Risen
23.8%
Canadian Solar
23.4%
Jinko
23.0%
JA Solar
22.7%
REC
22.6%

Sungrow isn't shown, its panel line is new enough that a verified efficiency figure for the Australian residential range wasn't available to check at time of writing. Scale: 0–25%. Compiled from current manufacturer datasheets, September 2026.

Solar panel brand warranties

Years of performance (output) warranty on the current flagship residential model

LONGi
30 yrs
Jinko
30 yrs
JA Solar
30 yrs
Trina
30 yrs
Canadian Solar
30 yrs
AIKO
30 yrs
REC
25 yrs
Risen
25 yrs

Shown here is the performance warranty (the output guarantee). Product warranties (the hardware defect guarantee) are shorter and vary by brand, see the two-warranties note above. Sungrow isn't shown, no published warranty terms were available for its new panel line at time of writing. Scale: 0–30 years. Compiled from current manufacturer warranty documentation, September 2026.

The ranking

1REC

N-type HJT20-25yr product25yr performance

The premium pick, and it earns the price. REC's Alpha Pure range uses heterojunction cells, a step beyond standard TOPCon, and backs it with a warranty that guarantees 92% of original output after 25 years, better than almost anything else on this list. REC's global warranty claim rate sits around 1 in 14,000 panels, and using a REC-certified installer extends the labour cover to 25 years through their ProTrust program. High wattage per panel means fewer panels for the same system size, useful on a tight or complicated roof.

The catch: you're paying a genuine premium over Tier 1 Chinese brands for that extra performance margin. It makes the most financial sense for a long hold period or a roof where space is the binding constraint, not for a straightforward budget install.

Best for: tight roof space, long-term ownership, and buyers who want the best available performance warranty.

2LONGi

N-type back contact25yr product25-30yr performance

The world's largest silicon wafer manufacturer, and the only major brand that makes monocrystalline exclusively rather than dabbling in multiple cell types. The Hi-MO range now uses back-contact technology similar in concept to AIKO's, pushing efficiency past 24% while keeping pricing below true premium tier. A Sydney office has supported the brand since it entered Australia in 2017, and a decade of runtime on local roofs backs up the marketing.

The catch: nothing significant. It's a genuinely strong all-rounder, if there's a downside it's that LONGi doesn't offer the absolute cheapest option on this list, though it's rarely the most expensive either.

Best for: buyers who want premium-adjacent technology without paying the full premium price.

3Jinko

N-type TOPCon25yr product30yr performance

The highest-volume solar panel manufacturer in the world, and the Tiger Neo range is a genuinely good residential panel, not just a volume play. Strong temperature coefficient for Australian summers, a real local office handling claims, and it placed second in SolarQuotes' own 2026 Installers' Choice Awards, which reflects what installers actually think of it, not just marketing spend.

The catch: Jinko's own installation manual requires panels near the coast to sit at least 50 metres from the shoreline with a specific tilt to keep the warranty valid. Worth knowing if you're bayside or in Geelong's coastal pockets, we account for it at design stage.

Best for: most Melbourne homes wanting a proven, well-supported mainstream panel.

4AIKO

N-type ABC (back contact)25yr product30yr performance

The panel that makes a roof look genuinely different. AIKO's ABC technology moves all the wiring to the back of the cell, so the front is a clean, uninterrupted black surface with no visible grid lines, and it pushes efficiency past 25% on the Neostar residential range. It's the panel we recommend when someone specifically asks for the tidiest-looking roof.

The catch, honestly: AIKO only arrived in Australia in March 2024, so the local track record is short. Independent testing has also found its shade-tolerance is real but more modest than the marketing suggests, a genuine bonus, not the main reason to choose it. It also costs more per panel than Jinko or Trina.

Best for: an all-black, grid-line-free roof where appearance genuinely matters to you.

5JA Solar

N-type TOPCon25yr product30yr performance

One of the world's largest panel manufacturers and fully vertically integrated, meaning JA Solar makes its own silicon ingots, wafers, cells and finished modules rather than assembling bought-in parts. The DeepBlue 4.0 range is, in a word, unremarkable, which in this industry is a compliment: reliable, well-priced, and nothing to complain about.

The catch: JA Solar's listed Australian office has previously been a shared serviced office rather than a large local operation. It hasn't stopped warranty claims being honoured, but it's a smaller local footprint than Jinko, LONGi or Trina.

Best for: a straightforward, budget-friendly system where you don't need bragging rights on the brand.

6Trina

N-type TOPCon25yr product30yr performance

The most commonly installed residential panel in Australia right now, and there's a reason: the Vertex S+ combines Tier 1 manufacturing with some of the lowest per-watt pricing from a credible brand. If your installer quotes "Trina" without specifying a model, this is almost certainly what you're getting, and for most homes it's a genuinely strong choice.

The catch: its temperature coefficient, at around -0.34%/°C, is the weakest of the N-type panels on this list. It matters more in Mildura or inland Victoria on a 40°C day than it does close to the bay, but it's the honest reason we don't reach for it automatically on every job.

Best for: value-focused buyers on a standard Melbourne roof, not extreme inland heat.

7Canadian Solar

N-type TOPCon / HJT25yr product30yr performance

Founded in 2001 and one of the longest-established Tier 1 names in the industry. The TOPHiKu6 range holds up well in hail, with specific models certified to 55mm hailstones, and carries IEC salt mist certification for coastal corrosion resistance, relevant for Geelong and bayside installs. Local claims processing through their Australian office.

The catch: nothing brand-specific stands out as a weakness, it sits solidly in the same value tier as Jinko and Trina without a clear point of difference beyond the hail rating.

Best for: coastal or hail-prone areas where the extra certification is a genuine, not marketing, advantage.

8Risen

Mono / N-type12-25yr product25-30yr performance

A genuine Tier 1 manufacturer with local offices in Melbourne and Brisbane and an Australian history stretching back to 2008, longer than most people assume. Reliable under Australian conditions and competitively priced, particularly on the older PERC-based ranges still available alongside the newer N-type options.

The catch, and it's not really about the panel: Risen's low pricing has historically attracted some less scrupulous solar retailers looking for the cheapest available Tier 1 panel to pad out a lowball quote. The panel itself is solid, the warning is about who's selling it to you, which is exactly why the installer matters as much as the brand.

Best for: budget-conscious buyers, provided the installer quoting it is one you've vetted properly.

9Sungrow

N-type TOPConNewest entrantSingle-vendor stack

Yes, the inverter and battery company. Sungrow has recently launched its own proprietary line of N-type TOPCon panels, built on the same vertical integration logic as its inverters and batteries: one manufacturer for the whole system, one warranty relationship, guaranteed compatibility. For a household already going Sungrow inverter and Sungrow battery, adding Sungrow panels is a genuinely tidy proposition.

The catch: this is a brand-new product line with no independent Australian residential track record yet. We'll install it selectively where the single-vendor logic makes sense, but we're not ready to rank it against a decade of Jinko, Trina or LONGi rooftops.

Best for: households building a full Sungrow system who value one manufacturer end to end over an established panel pedigree.

We'll match the panel to your roof, not the other way around

Tesla and Enphase certified, SAA accredited, based in Melbourne's west. Tell us your roof, your budget and how long you're planning to stay, and we'll tell you honestly which of these nine actually makes sense.

Request a quote or call 0450 980 005

Common questions

Is N-type always better than P-type? ▼
For a new residential install in 2026, yes, in practical terms. N-type has become the mainstream standard because it degrades slower and handles heat better, and the price gap to P-type has mostly closed. P-type isn't a bad panel, it's simply the older recipe being phased out.
Does a higher cell count mean a better panel? ▼
No, it mainly means a bigger panel. A 144 half-cell panel produces more watts than a 108 half-cell panel of the same technology because it's physically larger, not because each cell is working harder. Compare panels on efficiency percentage and warranty, not on the cell count alone.
What's the difference between the product warranty and the performance warranty? ▼
The product warranty covers manufacturing defects, things like frame corrosion or a broken junction box. The performance warranty guarantees a minimum power output over time, typically around 87 to 92 percent of the original rating after 25 to 30 years. They're separate promises and a strong panel needs both.
Do the most efficient panels always make sense for a home? ▼
Only if roof space is genuinely tight. High-efficiency premium panels like REC or AIKO let you fit more capacity on a small or complicated roof, but on a standard-size roof a well-priced N-type TOPCon panel from Jinko, Trina or JA Solar will usually deliver better value for the same total system output.

This ranking is compiled from our own installation job history across Melbourne's western suburbs and Geelong, cross-checked against current manufacturer warranty documentation, and reviewed by Gagandeep Gill before publishing. No manufacturer paid for placement or ranking position. Specifications, warranty terms and pricing change, confirm current details with us at quote stage.

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