Canadian Solar TOPBiHiKu6 615 W

CS6.2-66TB-615 · TOPBiHiKu6 (N-type bifacial TOPCon, dual glass)

TOPConbifacial132 [2 x (11 x 6)] TOPCon cellssalt-mist rated

A 615 W TOPCon, bifacial panel, 22.8% efficient, warranted to give about 87.4% of its power after 30 years.

Where to buy

Shops that list this model (or the same series in a size close to it), by city:

Durban

ShopListed asPrice seen
Segen Solar (Durban Service Centre) trade
Briardene
CS6-2-66TB-610-F30-EVO2–listing

Also stock this brand (ask them for this model): Central Solar Supplies (KwaZulu-Natal branch), Herholdt's Group (Durban branch) trade.

Johannesburg

ShopListed asPrice seen
SegenSolar (West Rand branch) trade
Northriding / Randburg
CS6-2-66TB-610-F30-EVO2–listing
SegenSolar (West Rand branch) trade
Northriding / Randburg
CS6-2-66TB-615-F30-EVO2–listing
Rubicon (Galaxy, Johannesburg branch) trade
Johannesburg ('Galaxy' branch)
CS6.2-66TB-635-EVO2–listing

Also stock this brand (ask them for this model): Leroy Merlin (Fourways store), Ultra Solar City, Herholdt's Group (Johannesburg branch) trade, Get Off Grid trade.

Cape Town

ShopListed asPrice seen
Segen Solar (Cape Town branch) trade
Matroosfontein
CS6-2-66TB-610-F30-EVO2–listing

Also stock this brand (ask them for this model): Herholdt's Group (Cape Town / Brackengate branch) trade, ACDC Dynamics (Cape Town Branch), Central Solar Supplies (Cape Town branch), TBS Solar, GW Store, Get Off Grid (Cape Town branch) trade, Solar Stock, Solar Sonic.

trade sells to installers; as a homeowner, buy through an installer.

How it compares

Score 64/100, number 5 of 10 models listed here. Each bar shows where this panel sits between the weakest and the best of the 10 on that point.

Efficiency 22.8 %20 of 30 pts
Heat loss (Pmax temp. coeff.) -0.29 %/°C15 of 20 pts
Power guaranteed at the end 87.4 %14 of 20 pts
Yearly degradation 0.4 % a year8 of 10 pts
Product warranty 12 years3 of 15 pts
Salt-mist rated (IEC 61701) yes5 of 5 pts

Worked out from the datasheet

On a hot roof At 65 °C, which cells can reach on a roof on a hot summer day, it gives about 88% of its rated power (about 544 W of 615 W).
80%85%90%95%100%25 °C35 °C45 °C55 °C65 °C75 °Cbest: LONGi Hi-MO X10weakest: JA DeepBlue 3.0this panelbest: LONGi Hi-MO X10this panelweakest: JA DeepBlue 3.0
Over the warranty The maker guarantees at least 87.4% of the rated power after 30 years.
80%85%90%95%100%yr 0yr 5yr 10yr 15yr 20yr 25yr 30best: LONGi Hi-MO X10weakest: JA DeepBlue 4.0 Prothis panelbest: LONGi Hi-MO X10this panelweakest: JA DeepBlue 4.0 Pro

Lines are worked out from the datasheet figures and compared with the best and weakest of the panels listed here. Real output also depends on the roof angle, shading, wiring and the inverter.

Datasheet numbers

Power (STC)615 W
Module efficiency22.8 %
Vmp / Imp41.0 V / 15.01 A
Voc / Isc48.2 V / 16.02 A
Power tolerance0~+10 W
Temp. coefficient Pmax / Voc / Isc-0.29 / -0.25 / 0.045 %/°C
NOCT / NMOT41 °C
Cells132 [2 x (11 x 6)] TOPCon cells
Size2382 x 1134 x 30 mm
Weight32.8 kg
Glass / frameDual glass, 2.0 mm heat-strengthened AR-coated front / 2.0 mm heat-strengthened back / Anodized aluminium alloy
Load front / back5400 Pa / 2400 Pa
Max system voltage / fuse1500 V / 35 A
Product warranty12 years
Power warranty30 years, about 87.4 % (worked out from the yearly figures) at the end
Degradation: first year / yearly1 % / 0.4 %
Bifaciality80 %
Salt mist (coastal)IEC 61701 listed on datasheet (severity level not stated; Canadian Solar notes that not every listed certificate applies to every market)
CertificationsIEC 61215, IEC 61730, CE, MCS, UKCA, INMETRO, CGC, UL 61730, IEC 61701, IEC 62716, IEC 60068-2-68, UNI 9177 Class 1, Take-e-way, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, IEC 62941:2019

Source: maker's datasheet (PV Module Product Datasheet V1.4_EN, October 2024 (CS6.2-66TB 600-630)), checked 2026-11-06.