Panels & Technology
161 real questions, answered
Every panels & technologyquestion across Sunnify's blog, grouped by article. Click one to jump straight to the answer.
AIKO ABC Panels and N-Type Technology: What Makes Them Different
- What actually changes with a back-contact design?
- Why does N-type silicon matter?
- How much more electricity does ABC actually generate, in real numbers?
- Does ABC's temperature performance actually matter in Singapore's heat specifically?
- Does ABC's bifacial capability actually add much on a typical Singapore roof?
- What does a real AIKO NEOSTAR installation look like?
- Is the premium worth it for a Singapore landed home?
- What does ABC mean in AIKO ABC solar panels?
- What is N-type silicon, and why does it matter?
- Are AIKO ABC panels worth the premium over standard monocrystalline panels?
Balance of System: The Solar Components Nobody Asks About
- What actually makes up BOS?
- What mounting material actually holds up best in Singapore's climate?
- Why does connector brand specifically matter, not just wiring gauge?
- Why do two quotes with the same panels perform differently?
- What should you actually ask about BOS before signing?
- What does Balance of System actually mean?
- Why does BOS quality matter if the panels are the same?
- How can I check BOS quality in a quote before signing?
BIPV vs Traditional Solar Panels: What's Actually Different
- How is BIPV physically different from traditional panels?
- How much more does BIPV actually cost, in real terms?
- What does a real Singapore BIPV example look like?
- Why don't more Singapore landed homes use BIPV?
- When would BIPV actually be worth considering?
- Does BIPV make more sense if a landed home is doing a full roof replacement anyway?
- Is BIPV more expensive than traditional panels?
- What does BIPV actually mean?
- Is BIPV a realistic option for an existing Singapore landed home?
- Does BIPV generate as much electricity as traditional panels?
How Solar Panels Are Actually Manufactured
- How does raw silicon become a crystal ingot?
- What happens when the ingot becomes wafers?
- How does a wafer become an electricity-generating cell?
- How does module assembly turn cells into a finished panel?
- Does the cell-processing stage actually determine which technology, PERC, TOPCon, or HJT, a panel ends up being?
- What does Tier 1 actually mean, and is it a genuine quality grade?
- Why does this process matter for choosing a panel?
- What is a solar panel actually made of?
- Why does manufacturing quality vary between brands if they use similar raw materials?
- Does where a panel is manufactured affect its quality?
How to Spot a High-Quality Solar Panel: Tests and Certifications
- What do IEC 61215 and IEC 61730 actually test?
- What else separates a genuinely durable panel from a cheap one?
- How can I verify a claimed certification is actually genuine?
- Does a panel's degradation warranty actually reflect real long-term tropical performance?
- What does a proper datasheet actually need to show, beyond the headline efficiency number?
- Should I just trust my installer's panel recommendation?
- Does a higher-certified panel cost meaningfully more?
- Does appearing on EMA's approved equipment list mean a panel is high quality?
- What certifications should I actually ask about?
- How can I verify a panel manufacturer's quality claims myself?
Monocrystalline Solar Panels: What They Are and Why Singapore Homes Use Them
- How are monocrystalline panels made?
- How efficient are monocrystalline panels?
- Why do most Singapore landed home installers recommend monocrystalline?
- What does a real monocrystalline installation actually look like?
- Is monocrystalline the same as PERC or TOPCon, or something different?
- Does monocrystalline's degradation rate actually hold up over 25 years in Singapore's climate?
- Do monocrystalline panels cost more?
- What is the difference between monocrystalline and polycrystalline solar panels?
- Are monocrystalline panels worth the extra cost in Singapore?
- How can I tell if my quote uses monocrystalline panels?
PERC vs TOPCon vs HJT: Solar Cell Technology Compared
- What is PERC, and why is it still common?
- What does TOPCon actually improve on?
- What makes HJT different, and is it worth the premium?
- How much does the price premium actually compound across the three technologies?
- Does this overlap with AIKO's ABC panel technology?
- What does a real installation using this generation of cell technology actually look like?
- Does degradation rate actually differ meaningfully between the three technologies?
- How should a homeowner actually decide between them?
- What does N-type versus P-type actually mean for solar cells?
- Is TOPCon worth paying more for compared to standard PERC panels in Singapore?
- Is HJT technology actually available for residential installations in Singapore?
Physical Solar Panel Sizes and Dimensions Explained
- What determines a panel's physical dimensions?
- Why does physical size matter beyond the total area calculation?
- Does panel count for the same system size actually vary between real installations?
- What role does the roof's physical structure play once panel weight is added up across an entire array?
- Does panel weight affect whether my roof can support solar?
- Are panels actually getting physically bigger over time, or just more efficient in the same footprint?
- Should I compare panel dimensions between quotes?
- How big is a typical residential solar panel?
- Do heavier or larger panels need special roof consideration?
- Does panel size affect how many panels fit on my roof compared to panel count alone?
Polycrystalline Solar Panels: Pros, Cons, and Where They Still Make Sense
- Should a homeowner actively ask an installer to quote polycrystalline instead of monocrystalline?
- How can you tell polycrystalline panels apart?
- What do you actually lose with polycrystalline?
- When does polycrystalline still make sense?
- Does the price difference actually matter over 25 years?
- Does polycrystalline's slightly lower efficiency mean it degrades faster too?
- Do any of Sunnify's real installations actually use polycrystalline panels?
- Are polycrystalline solar panels still available and used in Singapore?
- Do polycrystalline panels last as long as monocrystalline panels?
- What actually determines whether a specific home should choose polycrystalline?
Solar Panel Brands Compared: AIKO, Canadian Solar, Jinko, LONGi, REC and Trina
- What cell technology does each brand actually build on?
- How does AIKO's ABC technology actually differ in practice?
- What is N-type TOPCon, and why do Jinko and Trina both use it?
- What is heterojunction (HJT), and why is REC known for it?
- Does cell technology actually change what a homeowner experiences?
- How much does degradation rate actually differ between these technologies?
- What does "Tier 1" actually mean, and do all six brands qualify?
- Does Tier 1 status affect my ability to make a future warranty claim?
- How do I confirm a specific product line's Tier 1 status is current?
- Does brand affect price tier?
- AIKO
- Jinko Solar
- Trina Solar
- LONGi
- Canadian Solar
- REC Group
- How do warranty terms compare across these brands?
- Does a longer warranty always mean a better panel?
- Does country of origin or market presence in Singapore matter for a buyer?
- Does panel physical size affect which brand fits a specific roof?
- Should I choose a panel brand before or after choosing an inverter brand?
- Does panel appearance differ meaningfully between brands?
- Is there a situation where none of these six brands is the right fit?
- Does buying a well-known brand guarantee good installation quality?
- What if my installer only offers one or two of these brands?
- Does switching between brands mid-project ever make sense?
- Which solar panel brand is best for a Singapore home?
- What is the actual technical difference between these brands?
- Should I pay more for a premium brand if my roof has plenty of space?
- Does "Tier 1" mean a panel brand is higher quality?
- Can I ask my installer for a specific brand they don't normally carry?
Solar Panel Degradation and Lifespan in Singapore
- What is degradation, and how fast does it actually happen?
- How does this affect a system's generation and savings over time?
- Is the 0.5% figure the same from day one, or does the first year work differently?
- Does real Singapore field data actually match the standard 0.5%/year assumption?
- Does Singapore's climate specifically make degradation worse?
- What is actually guaranteed about a panel's long-term output?
- What actually happens once a panel reaches the end of its 25 to 30-year warranty?
- What actually needs replacing before the panels themselves do?
- How much do solar panels actually degrade per year in Singapore?
- Does Singapore's heat and humidity speed up panel degradation?
- How long do solar panels actually last before they need replacing in Singapore?
Solar Panel Fire Safety in Singapore: What Actually Prevents It
- What actually causes a solar-related fire?
- What is IEC 61730, and why does it matter here specifically?
- What does SCDF's Fire Code actually require, beyond panel certification alone?
- Does SS 638 wiring compliance actually matter for fire safety specifically, not just general electrical quality?
- Does the inverter play a role in fire prevention?
- What should you actually ask an installer specifically about fire safety, beyond general reassurance?
- What can a homeowner actually do about this risk?
- Are solar panels a fire risk in Singapore?
- What actually causes most solar-related fire incidents?
- What actually protects against this risk?
Solar Panels and Singapore Heat: Why Temperature Coefficient Matters
- How hot do panels actually get on a Singapore roof?
- What does temperature coefficient actually tell you?
- Does this actually change which panel is the better choice?
- What does the actual output difference look like worked through in real numbers?
- Does a real documented installation actually reflect this heat-performance difference?
- Does installation affect how hot a panel actually runs?
- What should a homeowner actually do with this information?
- Why does Singapore's heat matter for solar panel performance specifically?
- What does temperature coefficient actually measure?
- Does temperature coefficient vary meaningfully between panel types?
Thin-Film Solar Panels: Why They Are Rarely the Right Choice for Landed Homes
- How are thin-film panels different from crystalline panels?
- Why is efficiency the deciding factor for a landed home?
- Does thin-film actually have any genuine technical advantage in Singapore's heat, even if it loses on space?
- Do any of Sunnify's real, documented installations use thin-film panels?
- Where do thin-film panels actually make sense?
- Does thin-film degrade differently over time compared to crystalline panels?
- Is thin-film cheaper overall for a landed home?
- What are thin-film solar panels made of?
- Why don't Singapore installers recommend thin-film panels for landed homes?
- Are thin-film panels ever a good choice in Singapore?
