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TommaTech TT590-144TN10
TommaTech Brand review

TT590-144TN10

590 Wp TOPCon
ComparePV verdict

Efficiency leader, no clear weak spot

Rank 3,035 of 14,005
Compare panels Datasheet PDF
Power (Wp)
590
Strong · top 18%
Efficiency (%)
22.84
Strong · top 15%
Density (Wp/m²)
228.4
Strong · top 17%
Temp (%/°C)
-0.300
Typical · median -0.290
Weight (kg)
29.0
Strong · 2.2 kg below median
Warranty (yrs)
30
Typical · median 30 yrs

TommaTech panels from the TOPCON Monocrystalline 144TN10 series redefine performance standards through the use of advanced N-type cells, which practically eliminate light-induced degradation. The use of innovative TOPCon technology allows for higher quantum efficiency, translating into greater energy generation in low-light conditions as well as at dawn and dusk. The module design features 144 half-cut cells, significantly reducing internal resistance and improving system performance during partial shading. This series stands out for its excellent temperature coefficient, ensuring stable power production even during extreme summer heat, providing an advantage over classic P-type modules. It is a solution designed for professional business installations and PV farms, where the priority is maximum power density and long-term durability of components. Exceptional mechanical resistance and a reduced PID degradation effect ensure that investing in this series guarantees energy security for decades. By choosing these modules, investors receive a product that combines high performance standards with the latest achievements in materials engineering, outperforming the competition in terms of stability of electrical parameters throughout the entire installation life cycle.

Ranking

1,018 panels in the segment TOPCon 550-600 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.84% 22.44% Strong · top 15% 2,617
Power density 228.4 224.4 Strong · top 17% 2,598
Temperature coefficient -0.300 -0.290 Typical 6,093
Weight per kWp 49.2 53.8 Strong · top 24% 2,771
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

3 positive · 0 caution
Best for

Commercial, utility-scale, shaded-installations and hot-climate.

Strengths
22.84% module efficiency

Top 15% of the TOPCon 550-600 W segment, against a median of 22.44%.

228.4 watts per square metre

Top 17% of the TOPCon 550-600 W segment, against a median of 224.4.

49.2 kg per kWp

Top 24% of the TOPCon 550-600 W segment, against a median of 53.8.

Notes from the database
  • Efficiency of 22.8% matches the TOPCon 550-600W median
  • Power density of 228.4 W/m² packs 4.0 W/m² more into the same footprint vs TOPCon 550-600W median (224.4 W/m²)
  • At -0.30%/°C, hot weather performance is typical for TOPCon 550-600W panels
  • Weight of 29.0 kg (2.2 kg below TOPCon 550-600W median of 31.2 kg) allows easier transport and roof mounting
  • #2617 for efficiency, #6093 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 590 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.84 % Strong Segment median 22.44%
Vmpp · Impp 43.35 V · 13.62 A Operating point at max power
Voc · Isc 51.98 V · 14.30 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2278×1134×35 mm · 2.58 m² of roof
Weight 29.0 kg Strong Strong · 2.2 kg below median
Cells 144 · TOPCon Monocrystalline
Coefficient Pmax -0.300 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.260 · 0.040 %/°C
Product warranty 15 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 516 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by TommaTech in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 590 Wp appear here. The rest cover the whole series.

Current-Voltage & Power-Voltage Curve Current-Voltage & Power-Voltage Curve 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
-

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
-

Alternatives

All TommaTech panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
TommaTech TT590-144TN10 590 W 22.84% -0.300 29.0 kg You are here
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, lighter, +2.0 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg +50 W, cooler, +2.0 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, lighter, +1.8 pp
AIKO-A635-MAE72Mw 635 W 24.60% -0.260 27.0 kg +45 W, cooler, +1.8 pp
AIKO-A630-MAH72Dw 630 W 24.40% -0.260 32.5 kg +40 W, cooler, +1.6 pp
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg -40 W, lighter, +1.6 pp
TT570-144TN10 570 W 22.07% -0.300 29.0 kg -20 W, -0.8 pp
TT575-144TN10 575 W 22.26% -0.300 29.0 kg -15 W, -0.6 pp
TT580-144TN10 580 W 22.45% -0.300 29.0 kg -10 W, -0.4 pp
TT585-144TN10 585 W 22.65% -0.300 29.0 kg Very close match
TT595-144TN10 595 W 23.03% -0.300 29.0 kg Very close match
TT600-144TN10 600 W 23.23% -0.300 29.0 kg +10 W, +0.4 pp
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +60 W, cooler, +2.4 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +55 W, cooler, +2.2 pp

Found 2326 panels of the same or similar size to this one, within ±10 mm. See them here Found 2368 panels of the same or similar size to this one, within ±25 mm. See them here Found 2382 panels of the same or similar size to this one, within ±50 mm. See them here Found 2547 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
How does TOPCon technology in the TommaTech 144TN10 series differ from standard PERC cells?
TOPCon (N-type) cells used in the 144TN10 series feature an additional passivation layer on the rear side, which reduces electron recombination and increases quantum efficiency compared to standard P-type PERC cells. In practice, this means higher energy output in low-light conditions, at dawn and dusk, as well as significantly lower power degradation during the first years of operation.
What warranty does the TommaTech TOPCON Monocrystalline 144TN10 panel come with?
The manufacturer offers a 15-year product warranty covering material and workmanship defects, plus a 30-year power performance warranty guaranteeing a defined output level throughout that period. This warranty structure is standard for modern N-type panels and gives investors confidence in a stable return on investment over a long time horizon.
Are TommaTech 144TN10 panels suitable for residential rooftops, or only for large-scale PV farms?
Panels reaching up to 600 Wp work well both for prosumer installations on single-family home roofs and for commercial projects or utility-scale solar farms. A higher wattage per module means fewer panels are needed to reach a target system size, reducing mounting structure costs and installation time regardless of project scale.
How well do TommaTech 144TN10 panels handle partial shading, such as from a chimney or antenna?
The module is built with 144 half-cut cells, which lowers internal resistance and divides the panel into independent electrical sections. As a result, shading on part of the panel, such as from a chimney, leaves, or antenna, causes a smaller drop in the whole system's output than with conventional full-cell panels, where shading a single cell can shut down an entire string.
Do TommaTech TOPCON panels maintain high efficiency during summer heat?
Yes, the N-type cells used in the 144TN10 series have a better temperature coefficient than classic P-type cells, meaning less power loss as module temperature rises. In practice, on hot, sunny days the panel loses less efficiency than standard PERC modules, resulting in higher real-world summer energy yield when roof surface heating is at its peak.
Is TommaTech a Tier 1 manufacturer, and where do 144TN10 panels come from?
TommaTech is headquartered in Turkey and is not currently listed as Tier 1 under BloombergNEF's classification, a bankability criterion used mainly for financing large institutional projects. This does not indicate lower build quality, but rather a smaller production scale or shorter market track record compared to global giants, while the panels still carry full certifications and standard warranties.
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