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Solar panel · Gokin Solar · GK-1-78HTBD-M series · CEC approved March 2025
CEC listing: GK-1-78HTBD-630M (IEC 61215-2021)
A 630 W N-Type TOPCon solar panel — 11 of them make a 6.6 kW array.
Read from the figures on this page. No review written yet.
The numbers that matter for a home. The full datasheet is below.
Rated power
What one panel makes in full sun
Efficiency
How much of the sunlight hitting it becomes power
Cell technology
The current mainstream N-type, better in heat than older P-type
Open-circuit voltage
Your installer uses this to size the string
Short-circuit current
Sets the wiring and fuse sizes — an installer's figure
Every figure on file for the Gokin Solar GK-1-78HTBD-630M, by section.
| Specification | Value |
|---|---|
| Electrical (STC) | |
| Rated power | 630 W |
| Module efficiency | 22.5% |
| Open-circuit voltage (Voc) | 56.95 V |
| Voltage at max power (Vmp) | 47.6 V |
| Short-circuit current (Isc) | 13.89 A |
| Current at max power (Imp) | 13.25 A |
| Max system voltage | 1500 V |
| Cell & construction | |
| Cell technology | N-Type TOPCon |
| Cell count | 156 |
| Bifacial | Yes |
| Half-cut cells | No |
| Durability & load | |
| Fire rating | Class II |
| Wind load | 5400 Pa |
| Snow load | 2400 Pa |
| Degradation & warranty | |
| Product warranty | 12 yrs |
| Physical | |
| Dimensions (L×W×D) | 2465 × 1134 × 30 mm |
| Weight | 33.5 kg |
Parsed from the manufacturer datasheet, install manual, and warranty document. Confirm against the linked PDFs before relying on a value for a quote or installation.
CEC approved
11 Mar 2025
Approval expiry
11 Mar 2028
Status
Active
Eligible for rebates
Yes
Years in AU Market
1 years
Australian Office
Not verified
CEC-Approved Panels
37
CEC-Approved Inverters
0
Category
Budget
Per panel, retail estimate
$284–$441
System pricing installed with mounting and wiring is typically quoted per watt. Get exact quotes from installers you choose.
Compare quotes from installers you choose
One panel, on a north-facing roof
At 5 peak sun hours a day (BOM) with a 15% system derate.
The Gokin Solar GK-1-78HTBD-630M against the closest-wattage panels from other brands.
| Specification | Gokin Solar GK-1-78HTBD-630MGokin Solar | EGing PV EG-630NT66-HRC/BF-DGEGing PV | Astronergy CHSM66RN(DG)/F-BH-630Astronergy |
|---|---|---|---|
| Rated power? | 630 W | 630 W | 630 W |
| Module efficiency? | 22.5% | 24.0%best value | 24.0%best value |
| Cell technology | N-Type TOPCon | Mono PERC | Mono PERC |
| Product warranty? | Not verified | Not verified | Not verified |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
Plain-English warranty summary not yet extracted for this product. The official warranty document is the authoritative source.
Part of the Gokin Solar GK-1-78HTBD-M series
Compare every Gokin Solar GK-1-78HTBD-M variant side by side →
GK-1-54HTBD-435M (IEC 61215-2021)
435W · 22.3% · Mono PERC
GK-1-54HTBD-440M (IEC 61215-2021)
440W · 22.5% · Mono PERC
GK-1-54HTBD-445M (IEC 61215-2021)
445W · 22.8% · Mono PERC
GK-1-72HPBD-550M (IEC 61215-2021)
550W · 24.0% · Mono PERC
GK-1-72HPBD-555M (IEC 61215-2021)
555W · 24.0% · Mono PERC
GK-1-72HTBD-580M (IEC 61215-2021)
580W · 24.0% · Mono PERC
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About this data
All solar panel specifications are sourced from the CEC Approved Products Register. Specifications are provided as published by the CEC and may differ from manufacturer datasheets. Panel availability and pricing vary by location and installer. Not all listed models may be currently available in Western Australia.