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Solar panel · LONGi Solar · LR8-66HGD-M series · CEC approved May 2025
CEC listing: LR8-66HGD-605M (IEC 61215-2021)
A 605 W HPDC 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 cell type inside it
Product warranty
Against defects; performance is guaranteed separately
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 LONGi Solar LR8-66HGD-605M, by section.
| Specification | Value |
|---|---|
| Electrical (STC) | |
| Rated power | 605 W |
| Module efficiency | 22.4% |
| Open-circuit voltage (Voc) | 48.18 V |
| Voltage at max power (Vmp) | 40.31 V |
| Short-circuit current (Isc) | 15.9 A |
| Current at max power (Imp) | 15.01 A |
| Max system voltage | 1500 V |
| Temperature behaviour | |
| Temp coefficient (Pmax) | -0.28 %/°C |
| Cell & construction | |
| Cell technology | HPDC |
| Cell count | 132 |
| Bifacial | Yes |
| Half-cut cells | Yes |
| Durability & load | |
| Fire rating | UL type 29 |
| Wind load | 0 Pa |
| Snow load | 0 Pa |
| Degradation & warranty | |
| Performance warranty | 30 yrs |
| Physical | |
| Dimensions (L×W×D) | 2382 × 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
9 May 2025
Approval expiry
9 May 2028
Status
Active
Eligible for rebates
Yes
Years in AU Market
10 years
Australian Office
Yes
CEC-Approved Panels
233
CEC-Approved Inverters
0
Category
Mid-Tier
Per panel, retail estimate
$212–$393
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.
Australian office
Has local presence
Website
www.longi.com/enThe LONGi Solar LR8-66HGD-605M against the closest-wattage panels from other brands.
| Specification | LONGi Solar LR8-66HGD-605MLONGi Solar | EGing PV EG-605M60-HU/BF-DGEGing PV | EGing PV EG-605M60-HUVEGing PV |
|---|---|---|---|
| Rated power? | 605 W | 605 W | 605 W |
| Module efficiency? | 22.4% | 24.0%best value | 24.0%best value |
| Cell technology | HPDC | Mono PERC | Mono PERC |
| Product warranty? | 30 years | 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 LONGi Solar LR8-66HGD-M series
Compare every LONGi Solar LR8-66HGD-M variant side by side →
LR4-60HIH-370M
370W · 18.9% · Mono PERC
LR4-60HIH-375M
375W · 19.2% · Mono PERC
LR4-60HIH-380M
380W · 19.5% · Mono PERC
LR4-60HPB-370M
370W · 18.9% · Mono PERC
LR4-60HPB-375M
375W · 19.2% · Mono PERC
LR4-60HPB-380M
380W · 19.5% · 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.