Bluesun Solar Review (Philippines): TOPCon and HJT Panels via a Quezon City Reseller
Published specifications for the PERC, N-type TOPCon and N-type HJT lines. A brand ships several series, so these figures describe this model and not every product the manufacturer sells.
- Rated power
- 425-530 W mainstream residential TOPCon, to 660 W class bifacial
- Module efficiency
- 21.8-24.5% mainstream TOPCon, up to 24.6%The top figure is the highest-spec TOPCon bifacial model in the 660 W class. Confirm which exact model and power bin you are quoted.
- Temperature coefficient
- -0.35%/C PERC, -0.29 to -0.30%/C TOPCon, -0.26%/C HJTThe panel losing less power per degree is the one that delivers closer to its rated wattage on a Metro Manila roof, which routinely runs well above the 25C rating point.
- Annual degradation
- 0.55%/yr PERC, 0.4%/yr TOPCon, 0.375%/yr HJTCompany datasheet figures. First-year retention is 98% on standard modules and 99% on TOPCon.
- Product warranty
- 12 yearsMaterials and workmanship, across the range. On the shorter end for this market, where some competitors publish 15 years.
- Performance warranty
- 25 years PERC, 30 years TOPCon bifacial
- Coastal testing
- Salt spray and ammonia corrosion to TUV Nord, plus PID resistanceStandard IEC and TUV protocols rather than Philippines-specific, but the right tests to ask about near the coast.
- Philippine channel
- BlueSun Solar PH (JNAT Enterprises), Quezon CityA named local entity with a street address in Barangay Bahay Toro, Project 8, two Philippine mobile numbers and a Facebook business page.
Source: Bluesun 2024-2025 module catalog. Checked 2026-09-28. Manufacturers revise specifications between series without notice — confirm the figures for the exact model you are quoted before you pay.
What it does well
- Three cell technologies under one brand, PERC, TOPCon and HJT, so the temperature coefficient can be matched to the roof rather than to whatever the supplier stocks.
- A named local reseller with a checkable Quezon City street address, which is a step above a marketplace listing.
- Published salt-spray, ammonia-corrosion and PID test data, which is what to ask for on a coastal install.
Where it falls short
- A 12-year product warranty, shorter than the 15 years some Tier 1 competitors publish, and it covers a different set of failure modes from the performance clause above it.
- One local reseller, comparatively new, rather than an established multi-branch distributor network.
- Bluesun own posts seeking Philippine distributor partners suggest the channel is still young, so ask how long BlueSun Solar PH has operated and whether it has serviced a claim yet.
Compare against the other 29 panels we have reviewed
How the PERC, N-type TOPCon and N-type HJT lines compares with the other panels we have reviewed. Listed in no particular order — this puts published figures side by side, it does not pick a winner. Scroll the table sideways to see every column.
| Model | Rated power | Module efficiency | Product warranty | Performance warranty |
|---|---|---|---|---|
| PERC, N-type TOPCon and N-type HJT lines this review | 425-530 W mainstream residential TOPCon, to 660 W class bifacial | 21.8-24.5% mainstream TOPCon, up to 24.6% | 12 years | 25 years PERC, 30 years TOPCon bifacial |
| Tiger Neo N-type (72HL4 series) | 555–575 W | — | 12–15 years | 30 years to 87.4% |
| Vertex S+ TSM-NEG9R.28 | 430–460 W | Up to 23.0% | 25 years | 30 years |
| HiKu / BiHiKu / TOPHiKu6 lineup | 560–600 W | Up to 22.6% | 12–25 years | 30 years, linear |
| Hi-MO 6 and Hi-MO 7 | — | Hi-MO 6 up to 22.8% · Hi-MO 7 around 23.3% | 12–15 years | Hi-MO 6 25 years to ~84.8% · Hi-MO 7 30 years |
| Q.TRON BLK M-G2+ | 415–440 W | Up to 22.5% | 25 years | 25 years to 90.58% |
| Neostar 2S / 2P (ABC) | 440–520 W | Up to 23.5–24.3% | 15 years | 30 years, linear |
| DeepBlue 4.0 Pro (and 3.0) | 475 W (DeepBlue 4.0 Pro) | 4.0 Pro about 22.7% · 3.0 about 19.5–21.3% | 4.0 Pro 25 years · 3.0 12 years | 4.0 Pro 30 years to ~87.4% at year 25 · 3.0 25 years |
| Maxeon 7 | — | Up to about 24% | 40 years | 40 years to over 88% |
| JW-HD108N / HD144N / JW Max | 445–715 W | — | — | — |
| 575 W bifacial N-type | 575 W | About 22% | — | — |
| Current mainstream lines | — | Roughly 20–22.5% | 15 years | 25–30 years |
| CMD-144 series and Meteor CME-132BDS | 575-595 W (CMD-144), 700-725 W (Meteor CME-132BDS) | — | 30 years | 30 years |
| Astro N series (n-type TOPCon) | — | — | — | — |
| n-type TOPCon range | — | — | — | — |
| Series 6 and Series 7 (CdTe thin film) | Around 525 W (Series 7) | 18.8-19.7% | — | 30 years |
| PERC, bifacial, HJT and n-type TOPCon range | 385-730 W across the range | — | — | — |
| Heterojunction (HJT) modules | — | — | — | — |
| LP182*182-M-72-NB (N-type TOPCon) | 565-585 W | 21.86-22.64% | — | 30 years linear |
| N-type TOPCon range | — | — | — | — |
| EverVolt (HJT), discontinued 2025 | — | Roughly 19-21% | — | — |
| PERC, bifacial, HJT and n-type TOPCon range | 400-730 W across the range | — | — | — |
| Alpha Pure-R and Alpha Pure-RX | — | Roughly 21.9-22.6% | 25 years | 25 years |
| Titan series, with a separate Hyper-ion HJT line | — | Around 21.8% mainstream, Titan topping out around 21.7% | 15 years on current lines | 30 years on current lines |
| Tangra series (n-type TOPCon) | — | — | — | — |
| Maxeon back-contact modules | — | Low-to-mid 20% range | — | — |
| SPDG585-600W-N144M10 (SPDG bifacial series) | 585-600 W in this bin | 22.64-23.22% | 15 years | 30 years linear |
| TOPCon residential range | Roughly 395 W up to large-format commercial modules | Around 22%, up to about 23.2% on higher-end SKUs | 12 years | 25 years monofacial, 30 years bifacial |
| N-type TOPCon own-brand modules | — | — | — | — |
| Monocrystalline half-cut PERC range, many bifacial | 360-700 W across residential and commercial lines | Roughly 20.5-22.5% | 10-12 years | 25 years standard, 30 years bifacial |
Dashes are figures the manufacturer does not publish, not zeros. Where two products differ on a spec, which one matters depends on your roof and your usage — a higher efficiency panel earns its premium on a small roof and rarely on a large one.
Bluesun Solar Co., Ltd. is a Chinese manufacturer, founded in 2004 and based in Hefei, with a company-stated 12 GW of cumulative shipments across more than 100 countries. It makes a genuinely wide spread of cell technology under one brand: half-cut PERC, N-type TOPCon, and N-type heterojunction (HJT) — useful, because these three are exactly the technologies that differentiate this batch of brand reviews.
Local availability
We found a real Philippine reseller: BlueSun Solar PH, run under JNAT Enterprises, with a Facebook business page listing a physical address in Barangay Bahay Toro, Project 8, Quezon City, two Philippine mobile numbers, and 8,500-plus followers. That’s a step above a marketplace listing — there’s a named local entity with a street address you could show up to. It’s a smaller operation than the distributors that carry the market’s more established Tier-1 brands, though, so treat it as one working channel rather than a deep, redundant one. Bluesun also separately posted about “seeking distributor partners” in the Philippines, which lines up with a newer, still-establishing local presence rather than a long-run relationship.
For a panel, that channel question is the whole ballgame. The performance warranty runs 25 to 30 years — you need to know, today, whether the entity that sold you the panel will still exist and still honor a claim two decades from now. Ask BlueSun Solar PH directly whether they’re an authorized reseller or an independent importer, and get the warranty administration process in writing before you sign anything.
Cell technology and what it means here
Bluesun’s range spans three technologies with materially different behavior in Philippine heat:
- PERC (half-cell, monofacial and bifacial) — the older, cheaper technology. Temperature coefficient of power is -0.35%/°C on the monofacial line, meaning more output lost per degree above the 25°C rating point than the newer cell types below.
- N-type TOPCon — temperature coefficient improves to -0.29%/°C to -0.30%/°C depending on the model, with degradation capped at 0.4% per year over 30 years (company datasheet figures) versus 0.55%/year on the PERC line.
- N-type HJT — the best of the three on paper: -0.26%/°C and 0.375%/year degradation.
That gap matters more here than in a temperate market. Metro Manila roof surfaces routinely run well above STC’s 25°C reference, so the panel losing less power per degree of heat is the one that actually delivers closer to its rated wattage on a real roof. Solar performance in extreme heat covers the mechanism. Mono PERC vs TOPCon and n-type vs p-type go deeper on why the newer cell types behave this way.
Module efficiency tops out around 24.6% on Bluesun’s highest-spec TOPCon bifacial model (660W class), with mainstream residential-scale TOPCon modules (425-530W) sitting in the 21.8-24.5% range depending on power bin. These figures come from Bluesun’s own published catalog and datasheets — ask your installer to confirm which exact model and power class you’re being quoted, since the number on a glossy brochure and the number on your contract should match.
Warranty structure
Bluesun’s standard terms, per its 2024-2025 module catalog:
- 12-year product warranty (materials and workmanship) across the range.
- 25-year performance warranty on monofacial PERC modules.
- 30-year performance warranty on TOPCon bifacial modules.
- First-year power retention of 98% on standard modules, 99% on TOPCon.
That 12-year product warranty is on the shorter end for panels sold in this market — some competitors publish 15 years. It’s the workmanship/defects clause, not the power-output clause, but it’s worth asking about specifically since it covers a different set of failure modes than the linear performance warranty above it. See solar panel warranties explained for what the two warranty types actually cover.
Coastal and humidity considerations
Bluesun’s datasheets cite salt-spray and ammonia-corrosion testing to TÜV Nord standards on its bifacial line, and PID (potential-induced degradation) resistance across the range. Neither claim is Philippines-specific — they’re standard IEC/TÜV test protocols — but they’re the right tests to ask about if you’re installing near the coast, where salt air accelerates frame and junction-box corrosion. Solar panels in coastal salt air covers what to look for beyond the datasheet.
Where it falls short
- One local reseller, and a comparatively new one, not an established multi-branch distributor network.
- 12-year product warranty is shorter than some Tier-1 competitors offer.
- Bluesun’s own “seeking distributor partners” post suggests the Philippine channel is still young — ask how long BlueSun Solar PH has actually been operating and whether they’ve serviced a warranty claim yet.
Who it’s best for
Buyers who want access to Bluesun’s HJT or TOPCon lines specifically, sourced through a reseller with a real, checkable Quezon City address — as long as you confirm the warranty path in writing first. If you want a brand with a longer, deeper Philippine distribution history, compare against Jinko or Canadian Solar in the best solar panel brand roundup.