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Canadian Solar CS7L-625TB-AG
Canadian Solar Brand review

CS7L-625TB-AG

625 Wp TOPCon Bifacial 80%
ComparePV verdict

Middle of its segment, needs the roof space

Rank 3,443 of 14,129
Compare panels Datasheet PDF
Power (Wp)
625
Typical for its class
Efficiency (%)
22.10
Weak · bottom 9%
Density (Wp/m²)
220.8
Weak · bottom 8%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
34.5
Weak · 1.7 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The Canadian Solar TOPBiHiKu7 series was designed with installations in mind where maximizing yield from the same surface area and better overall system economics are key. These modules are based on TOPCon N-type cells, which maintain efficiency better over time and are less prone to typical degradation-accelerating phenomena. The key advantage is the bifacial design - the panel actively generates electricity not only from the front side but also the rear, significantly boosting energy production when mounted on suitable surfaces and frame structures.

The TOPBiHiKu7 also boasts a low temperature coefficient, helping stabilize energy output during warmer periods and narrowing the gap between theoretical performance and real-world operation. In practice, this translates to a lower energy and BOS cost - fewer modules and auxiliary components for the same project capacity, plus faster installation on farms.

This series is primarily aimed at utility-scale PV farms, C&I projects, large rooftops, carports, and any application where durability and predictable energy production are crucial. Compared to many PERC modules, TOPBiHiKu7 focuses on higher yields and greater resilience against performance degradation over the long term.

Ranking

1,085 panels in the segment TOPCon 600-650 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.10% 22.80% Weak · bottom 9% 6,076
Power density 220.8 227.7 Weak · bottom 8% 6,085
Temperature coefficient -0.290 -0.290 Typical 2,220
Weight per kWp 55.2 53.1 Weak · bottom 14% 9,724
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 4 caution
Best for

Utility-scale, commercial and hot-climate.

Not ideal for

Roofs where every square metre has to count, tight roof space and weight-limited structures.

Watch-outs
220.8 watts per square metre

Bottom 8% of the TOPCon 600-650 W segment, against a median of 227.7. Ranked 6,085th in the whole database.

22.10% module efficiency

Bottom 9% of the TOPCon 600-650 W segment, against a median of 22.80%. Ranked 6,076th in the whole database.

55.2 kg per kWp

Bottom 14% of the TOPCon 600-650 W segment, against a median of 53.1.

What owners get
Low Temperature Coefficient of -0.29%/°C

According to the manufacturer's datasheet, Pmax decreases by only -0.29%/°C, compared to a typical -0.34 to -0.37%/°C for PERC modules. On a summer day with a module temperature of 65°C, this translates into measurably higher hourly energy yield relative to the previous generation of technology.

Maximum Degradation of 0.4%/Year Over 30 Years

The 30-year linear power warranty with an annual degradation cap of 0.4% (after Year 1) outperforms the typical 25-year/0.55% warranty standard for PERC modules. DNV's factory audit report for Canadian Solar recommends an assumed useful service life of 35-45 years for TOPBiHiKu7 modules - a notable bankability signal.

Bifaciality Up to 85% - Tangible Energy Yield Gain

The rated bifaciality factor reaches up to 85%. With a ground albedo of 0.35 (light gravel, concrete) and adequate row clearance, this delivers a real energy gain of 8-15% over an equivalent monofacial module, directly reducing LCOE in ground-mount utility projects and carport installations.

LID/LeTID Resistance Confirmed by Testing

N-type TOPCon cells exhibit approximately 1.0% degradation in H1 damp-heat testing (2,000 h), versus ~1.9% for P-type PERC. The elimination of boron-induced LID is inherent to N-type cell technology, reducing the risk of early power loss following system commissioning.

BNEF Tier-1, DNV Audit, Bankability Q1 2026

Canadian Solar maintains BNEF Tier-1 status in Q1 2026 and holds an independent DNV technology report. For non-recourse debt-financed projects, this is a key prerequisite - modules are accepted by major project finance banks without additional product-level due diligence.

Trade-offs
Weight ~37.8 kg - Constraint for Rooftop Installations

G12R-format modules in this series weigh approximately 37.8 kg, requiring a two-person installation crew and a structural assessment of the roof's load-bearing capacity. For prosumer installations on older buildings, this may rule out the series in favor of lighter alternatives (e.g., 400-450 W modules at ~21-23 kg).

Notes from the database
  • Module efficiency of 22.1% is 0.7pp below average for TOPCon 600-650W panels (median: 22.8%)
  • 220.8 W/m² power density is 6.9 W/m² below TOPCon 600-650W median (227.7 W/m²) - requires larger installation area
  • At -0.29%/°C, hot weather performance is typical for TOPCon 600-650W panels
  • Weight of 34.5 kg is 1.7 kg above TOPCon 600-650W median (32.8 kg) - verify structural support
  • Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof

Specifications

Open datasheet PDF
Nominal power (Pmax) 625 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.10 % Weak Segment median 22.80%
Vmpp · Impp 35.90 V · 17.41 A Operating point at max power
Voc · Isc 43.10 V · 18.36 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2172×1303×33 mm · 2.83 m² of roof
Weight 34.5 kg Weak Weak · 1.7 kg above median
Cells 120 · TOPCon Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.050 %/°C
NOCT 41 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 546 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Canadian Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 625 Wp appear here. The rest cover the whole series.

CS7L-625TB-AG / I-V Curves CS7L-625TB-AG / I-V Curves 625 W

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-
With bifacial gain
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.290 %/°C against a segment median of -0.290
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Canadian Solar CS7L-625TB-AG 625 W 22.10% -0.290 34.5 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg Cooler, lighter, +3.1 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg +50 W, lighter, +2.9 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg Cooler, lighter, +2.9 pp
WST-675BKX72-A2 675 W 25.00% -0.260 32.1 kg +50 W, cooler, +2.9 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg +45 W, lighter, +2.7 pp
LR7-72HVHF-670M 670 W 24.80% -0.260 28.5 kg +45 W, lighter, +2.7 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg Cooler, lighter, +2.7 pp
CS7L-580MB-AG 580 W 20.50% -0.340 34.5 kg -45 W, hotter, -1.6 pp
CS7L-585MB-AG 585 W 20.70% -0.340 34.5 kg -40 W, hotter, -1.4 pp
CS7L-590MB-AG 590 W 20.80% -0.340 34.5 kg -35 W, hotter, -1.3 pp
CS7L-595MB-AG 595 W 21.00% -0.340 34.5 kg -30 W, hotter, -1.1 pp
CS7L-600MS 600 W 21.20% -0.340 30.9 kg Hotter, -0.9 pp, -5 yr warranty
CS7L-605MB-AG 605 W 21.40% -0.340 34.5 kg -20 W, hotter, -0.7 pp
GKA210N120 680 W 24.03% -0.340 28.0 kg +55 W, lighter, +1.9 pp
GKA210N120-675 675 W 23.85% -0.340 28.0 kg Hotter, lighter, +1.8 pp
QN-670HJT-01 670 W 23.70% -0.240 35.5 kg +45 W, cooler, +1.6 pp

Found 497 panels of the same or similar size to this one, within ±10 mm. See them here Found 502 panels of the same or similar size to this one, within ±25 mm. See them here Found 502 panels of the same or similar size to this one, within ±50 mm. See them here Found 502 panels of the same or similar size to this one, within ±100 mm. See them here

About the TOPBiHiKu7 series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

What warranty does the Canadian Solar TOPBiHiKu7 series carry?
The TOPBiHiKu7 series comes with a 12-year product warranty covering material and manufacturing defects, along with a 30-year linear power output warranty. Under the power warranty, the manufacturer guarantees that degradation will not exceed 1% in the first year and no more than 0.4% per year in subsequent years. As a Tier 1 manufacturer with a global service network, Canadian Solar provides genuine assurance that these commitments can be enforced.
What does the bifacial design of the TOPBiHiKu7 offer, and when does it pay off?
Thanks to its dual-sided operation, the TOPBiHiKu7 module captures light from both the front side and light reflected off the ground or surroundings through the rear glass, achieving a bifaciality factor of up to 85%. The greatest energy yield gains are realized in utility-scale PV plants with high-albedo ground surfaces (light-colored gravel, concrete, or snow) or in elevated mounting configurations such as canopies and carports. In typical ground-mount farm installations, the yield increase ranges from several to over ten percent compared to monofacial modules.
Are the Canadian Solar TOPBiHiKu7 730W panels suitable for installation on a warehouse or industrial hall roof?
Yes, but this requires a structural assessment of the roof. The TOPBiHiKu7 730W module measures 2384×1303×33 mm and weighs 37.8 kg, which generates significant roof loading in large commercial and industrial (C&I) installations. The module is rated to withstand snow loads of up to 5400 Pa and wind loads of up to 2400 Pa, so its mechanical parameters are robust. Prior to installation on an industrial facility, a structural engineering assessment of the roof and proper selection of racking and mounting systems are required.
How does TOPCon cell technology in the TOPBiHiKu7 series differ from older PERC cells?
The N-type TOPCon cells in the TOPBiHiKu7 achieve a module efficiency of up to 23.5%, significantly higher than typical PERC modules, which generally fall in the 20-22% range. A key differentiator is the lower temperature coefficient of -0.29%/°C compared to approximately -0.35%/°C for PERC, resulting in reduced power losses on hot days. TOPCon technology is also substantially more resistant to LID (Light-Induced Degradation) and LeTID (Light and elevated Temperature-Induced Degradation) phenomena, which accelerate degradation in PERC modules during the first years of operation.
How many TOPBiHiKu7 modules do I need for a 1 MW solar farm?
With the 730W variant, approximately 1,370 modules are sufficient for 1 MW of installed capacity. This is roughly ten to fifteen percent fewer units than a typical 600 W PERC-class module would require, which directly reduces balance-of-system (BoS) costs: fewer mounting structures, less cabling, and faster installation. In large-scale PV farm projects, this difference can significantly improve the overall investment economics and shorten the project completion timeline.
How well do the TOPBiHiKu7 panels perform at high temperatures during summer?
The TOPBiHiKu7 series features a Pmax temperature coefficient of -0.29%/°C, which ranks among the lowest in its class. In practice, this means that at a typical module operating temperature of 65°C, the panel loses approximately 10% of its rated power output, whereas an older PERC module would lose approximately 13-14%. Over the course of a full year and across an entire farm, this difference translates into measurable additional kilowatt-hours of generation and better alignment with production forecasts during summer months.
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