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Techwise Solar TW-720HT-01-715W
Techwise Solar Brand review

TW-720HT-01-715W

715 Wp TOPCon Bifacial 70%
ComparePV verdict

Middle of its segment, modest efficiency

Rank 786 of 14,005
Compare panels Datasheet PDF
Power (Wp)
715
Typical for its class
Efficiency (%)
22.36
Weak · bottom 1%
Density (Wp/m²)
230.2
Typical · median 230.2
Temp (%/°C)
-0.300
Weak · bottom 22%
Weight (kg)
38.0
Typical · median 38.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

The Techwise Solar Summit Pro (TW-720HT-01) series is designed for installations where maximizing power output per square meter and stable performance in challenging conditions are paramount. These are bifacial modules, meaning they can utilize not only direct sunlight, but also reflected light from the ground - a significant advantage on roofs with light-colored membranes, on soil with gravel, or in PV farms with optimized albedo.

A key feature is N-type TOPCon technology, which is valued for its low degradation over time and high efficiency even with lower sunlight - which is important in the Polish climate, especially in autumn and winter. The use of half-cut architecture and a 18BB multi-busbar design improves current flow and reduces micro-crack losses, making it easier to maintain high yields over the long term.

The Summit Pro is a good choice for investors in solar farms, large industrial rooftops, and projects where long-term reliability and predictable energy production are the top priorities.

Ranking

420 panels in the segment TOPCon 700-750 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.36% 23.00% Weak · bottom 1% 5,007
Power density 230.2 230.2 Typical 2,018
Temperature coefficient -0.300 -0.290 Weak · bottom 22% 6,093
Weight per kWp 53.1 52.9 Typical 6,946
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 2 caution
Best for

Commercial, utility-scale and shaded-installations.

Not ideal for

Tight roof space and hot climates.

Watch-outs
22.36% module efficiency

Bottom 1% of the TOPCon 700-750 W segment, against a median of 23.00%. Ranked 5,007th in the whole database.

-0.300 %/°C temperature coefficient

Bottom 22% of the TOPCon 700-750 W segment, against a median of -0.290.

Notes from the database
  • At 22.4% efficiency, this panel is 0.6pp below the TOPCon 700-750W median of 23.0%
  • Power density of 230.2 W/m² matches the TOPCon 700-750W median
  • Temperature coefficient of -0.30%/°C matches the TOPCon 700-750W median
  • Bifaciality factor of 70% can add 4-10% extra yield with reflective mounting surface
  • In the top 36% for efficiency among all TOPCon panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 715 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.36 % Weak Segment median 23.00%
Vmpp · Impp 41.92 V · 17.06 A Operating point at max power
Voc · Isc 49.36 V · 17.97 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2384×1303×33 mm · 3.11 m² of roof
Weight 38.0 kg Typical Typical · median 38.0 kg
Cells 132 · TOPCon Monocrystalline
Bifaciality 70 % Rear output as a share of front
Coefficient Pmax -0.300 %/°C Weak bottom 22% of its segment
Coefficient Voc · Isc -0.250 · 0.040 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 88.0 % Equals 625 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Techwise Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 715 Wp appear here. The rest cover the whole series.

I-V Curve at Different Temperatures I-V Curve at Different Temperatures Whole series Additional Value From Techwise Solar's Linear Warranty Additional Value From Techwise Solar's Linear Warranty Whole series

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
-0.300 %/°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
Techwise Solar TW-720HT-01-715W 715 W 22.36% -0.300 38.0 kg You are here
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg Cooler, lighter, +2.8 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg -40 W, lighter, +2.6 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg Cooler, lighter, +2.6 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg Cooler, lighter, +2.5 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg -45 W, lighter, +2.4 pp
LR7-72HVHF-670M 670 W 24.80% -0.260 28.5 kg -45 W, lighter, +2.4 pp
JKM650-670N-66QL6-BDV (670W class) 670 W 24.80% -0.260 32.5 kg -45 W, lighter, +2.4 pp
TW-650HT 650 W 20.92% -0.340 32.9 kg -65 W, lighter, -1.4 pp
TW-655HT 655 W 21.09% -0.340 32.9 kg -60 W, lighter, -1.3 pp
TW-660HT 660 W 21.25% -0.340 32.9 kg -55 W, lighter, -1.1 pp
TW-665HT 665 W 21.41% -0.340 32.9 kg -50 W, lighter, -5 yr warranty
TW-670HT 670 W 21.57% -0.340 32.9 kg -45 W, lighter, -5 yr warranty
TW-720HT-01-700W 700 W 21.89% -0.300 38.0 kg -15 W, -0.5 pp
TW-720HT-01-705W 705 W 22.05% -0.300 38.0 kg -10 W, -0.3 pp
TW-720HT-01-710W 710 W 22.21% -0.300 38.0 kg Very close match
TW-720HT-01-720W 720 W 22.52% -0.300 38.0 kg Very close match
AIKO-A805-GRH78Dw 805 W 25.10% -0.260 39.8 kg +90 W, cooler, +2.7 pp

Found 1390 panels of the same or similar size to this one, within ±10 mm. See them here Found 1400 panels of the same or similar size to this one, within ±25 mm. See them here Found 1400 panels of the same or similar size to this one, within ±50 mm. See them here Found 1432 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
How do the bifacial Techwise Solar Summit Pro panels differ from standard monofacial panels?
The Summit Pro TW-720HT-01 modules have an active rear side that captures light reflected from the ground, roof, or nearby surfaces. This can add several up to over ten percent extra energy yield compared to a classic module, especially on light-colored roofs, gravel ground, or PV farms with high-albedo terrain. However, it requires proper mounting with clearance beneath the panel.
What is N-type TOPCon technology in the TW-720HT-01 panels, and is it really better than PERC?
N-type TOPCon is a cell technology using an additional passivation layer that reduces carrier recombination and lowers module degradation over time. In practice, this means higher efficiency, better performance in low or diffuse light, and a slower power decline over the years compared to older PERC cells. For Poland's climate with long autumns and winters, this translates into more stable energy production.
What warranty comes with the Summit Pro TW-720HT-01 panels, and what exactly does it cover?
Techwise Solar provides a 15-year product warranty covering material and workmanship defects, plus a 30-year power warranty guaranteeing a minimum performance level over that period. This is close to the standard set by leading manufacturers, giving investors predictability when planning return on investment, particularly for PV farm projects and large industrial rooftops.
What is the maximum power output of the Summit Pro panel, and what installations is it suited for?
The TW-720HT-01 module reaches a maximum power of 720 Wp, placing it among high-power panels. Such output per panel means fewer modules are needed to reach a target installation capacity, lowering mounting structure and labor costs. It is particularly well suited for PV farms and large industrial roofs where maximizing yield per square meter is a priority.
Do the half-cut architecture and 18BB busbar design in the Summit Pro panels have a real impact on system durability?
Yes. Half-cut cells reduce current losses and limit how partial shading affects the whole panel, while the 18-busbar (18BB) layout improves current distribution and reduces stress on individual current paths, lowering the risk of microcracks. In practice, this results in slower power degradation over the long term and more stable system performance throughout the warranty period.
Is Techwise Solar Summit Pro TW-720HT-01 a Tier 1 manufacturer, and does that matter when choosing panels?
Techwise Solar is not currently listed as a Tier 1 manufacturer under the BloombergNEF classification, which mainly assesses a supplier's financial stability and bankability rather than module quality itself. Summit Pro panels can still offer strong technical parameters, but for projects financed through loans or leasing, it's worth checking with your installer whether manufacturer tier status affects financing terms.
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