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ESM-590T

590 Wp TOPCon
ComparePV verdict

Light for its output, weak in heat

Rank 1,063 of 14,005
Compare panels Datasheet PDF
Power (Wp)
590
Strong · top 18%
Efficiency (%)
22.83
Strong · top 19%
Density (Wp/m²)
228.3
Strong · top 23%
Temp (%/°C)
-0.310
Weak · bottom 10%
Weight (kg)
28.0
Strong · 3.2 kg below median
Warranty (yrs)
30
Typical · median 30 yrs

The Einnova Solarline TOPCon N-type Mono-crystalline series represents a technological breakthrough in this manufacturer's range, focusing on maximizing yields per unit area. The use of advanced N-type cell technology eliminates the problem of light-induced degradation (LID), which directly translates to higher module efficiency throughout their entire life cycle. These panels perform excellently in challenging lighting conditions, offering outstanding performance in low sunlight and a low temperature coefficient. As a result, the system operates stably even during summer heatwaves, delivering more energy than standard P-type solutions. The module design based on the TOPCon structure minimizes recombination losses, making them an ideal choice for investors seeking the highest durability and a fast return on investment. It is a solution dedicated to both modern residential micro-installations and demanding commercial projects where reducing operating costs is key. Compared to the competition, Einnova Solarline stands out with an excellent quality-to-price ratio and a longer linear power warranty, providing users with energy security for decades. This is a solid investment in trouble-free premium technology that sets new standards in the Polish renewable energy sector.

Ranking

1,018 panels in the segment TOPCon 550-600 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.83% 22.44% Strong · top 19% 2,683
Power density 228.3 224.4 Strong · top 23% 2,731
Temperature coefficient -0.310 -0.290 Weak · bottom 10% 8,005
Weight per kWp 47.5 53.8 Strong · top 17% 1,689
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

8 positive · 3 caution
Best for

Residential, commercial, utility-scale and hot-climate.

Not ideal for

Hot climates.

Strengths
47.5 kg per kWp

Top 17% of the TOPCon 550-600 W segment, against a median of 53.8.

22.83% module efficiency

Top 19% of the TOPCon 550-600 W segment, against a median of 22.44%.

228.3 watts per square metre

Top 23% of the TOPCon 550-600 W segment, against a median of 224.4.

Watch-outs
-0.310 %/°C temperature coefficient

Bottom 10% of the TOPCon 550-600 W segment, against a median of -0.290.

What owners get
22.44–23.21% Efficiency – Top of Class

The peak efficiency of 23.21% is virtually on par with Tongwei TWMND (23.2%) and Lexron TOPCon (23.23%), and exceeds the Talesun BISTAR by more than 1.7 percentage points (21.5%). For rooftop installations, this translates into a smaller required array footprint for the same peak power output.

N-type TOPCon Technology – No LID/LeTID

N-type cells exhibit an annual degradation rate of 0.4–0.5% compared to 0.6–0.8% for PERC, with first-year degradation of ~1% versus ~2%. The elimination of LID and LeTID results in meaningfully higher cumulative energy yield over the full 30-year operational lifetime.

30-Year Product and Power Warranty

The manufacturer provides a 30-year warranty covering both the product and linear power degradation — exceeding the market standard, where most manufacturers (JA Solar, Trina Solar) offer 25 years. The extended warranty horizon directly reduces financing risk for projects with long payback cycles.

High Unit Power Output of 580–600 Wp

The 600 Wp format reduces the module count in a given installation — a 10 kWp system requires only 17 modules instead of ~25 with 400 Wp panels. Fewer modules translate into lower BoS costs (wiring, mounting hardware, MC4 connectors), with estimated savings of 8–12% compared to sub-500 W formats.

Low Temperature Coefficient

TOPCon N-type cells achieve a temperature coefficient in the range of −0.29% to −0.32%/°C, versus a typical −0.34%/°C for PERC. When module temperature reaches 65°C in summer, this corresponds to approximately 1.5 percentage points higher relative power output compared to a PERC module of the same power class — a meaningful advantage under Polish summer conditions.

Trade-offs
Monofacial Only

The series does not offer a bifacial variant, whereas the direct competitor Tongwei TWMND 580–600 W combines 23.2% efficiency with a bifacial design that generates an additional 10–25% energy from ground-reflected irradiance in utility-scale installations. For ground-mounted PV farms and flat rooftops with light-colored membranes, the absence of a bifacial option significantly increases the LCOE per kWh.

Not Listed on BNEF Tier 1

Einnova Solarline does not appear on the BNEF Tier 1 list (as of Q1 2026), while peer manufacturer Tongwei holds that designation. The absence of Tier 1 status may complicate securing non-recourse project financing for installations above 1 MW and limit acceptance by certain project insurers and development finance institutions.

Notes from the database
  • At 22.8% efficiency, this panel is on par with typical TOPCon 550-600W modules
  • At 228.3 W/m² power density, this panel generates 3.9 W/m² more per unit area than TOPCon 550-600W median (224.4 W/m²)
  • At -0.31%/°C, loses 0.02pp more power per degree than TOPCon 550-600W median (-0.29%/°C)
  • At 28.0 kg, this panel is 3.2 kg lighter than TOPCon 550-600W median (31.2 kg) - easier handling during installation
  • In the top 19% for efficiency among all TOPCon panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 590 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.83 % Strong Segment median 22.44%
Vmpp · Impp 42.36 V · 13.94 A Operating point at max power
Voc · Isc 51.26 V · 14.47 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2279×1134×30 mm · 2.58 m² of roof
Weight 28.0 kg Strong Strong · 3.2 kg below median
Cells 144 · TOPCon Monocrystalline
Coefficient Pmax -0.310 %/°C Weak bottom 10% of its segment
Coefficient Voc · Isc -0.260 · 0.046 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 30 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 Einnova Solarline 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.

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
-0.310 %/°C against a segment median of -0.290
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Einnova Solarline ESM-590T 590 W 22.83% -0.310 28.0 kg You are here
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg -30 W, cooler, +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 -35 W, cooler, +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 Cooler, heavier, +1.6 pp
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg Cooler, lighter, +1.6 pp
ESM-580T 580 W 22.44% -0.310 28.0 kg -10 W, -0.4 pp
ESM-585T 585 W 22.64% -0.310 28.0 kg Very close match
ESM-595T 595 W 23.02% -0.310 28.0 kg Very close match
ESM-600T 600 W 23.21% -0.310 28.0 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 2542 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty is provided for the Einnova Solarline TOPCon N-type Mono-crystalline panels?
The Einnova Solarline TOPCon N-type Mono-crystalline series comes with a 30-year product warranty and a 30-year linear power output warranty. This is one of the longest warranty periods available on the market, reflecting the proven durability of TOPCon technology and the minimal degradation risk these modules carry throughout their full operational lifetime.
How does TOPCon N-type technology differ from older P-type (PERC) panels?
TOPCon N-type panels eliminate Light-Induced Degradation (LID), a phenomenon that affects P-type cells. This means Einnova Solarline modules do not experience the power loss in the first weeks of operation that is commonly observed in PERC modules. In addition, the temperature coefficient of TOPCon is approximately -0.30%/°C compared to -0.35%/°C for PERC, resulting in measurably higher energy yield during hot summer days.
Do the Einnova Solarline TOPCon 600 W panels perform well under overcast conditions or low irradiance?
Yes. N-type TOPCon cells exhibit higher sensitivity to diffuse irradiance than conventional P-type modules. As a result, the Einnova Solarline TOPCon series generates energy efficiently even on cloudy days, at dawn, and at dusk — a particularly important advantage in the Polish climate, where a significant share of days feature variable or low solar irradiance.
Is the Einnova Solarline TOPCon N-type 600 W panel a bifacial module?
No, this series is not a bifacial panel. The Einnova Solarline TOPCon N-type Mono-crystalline 600 W modules feature a monofacial design, which simplifies installation and allows the use of standard mounting systems on pitched and flat roofs without the need to maintain specific clearances beneath the module.
What is the maximum power output of a single panel from the Einnova Solarline TOPCon N-type series?
The peak power (Wp) of a single module in this series is 600 Wp. This is a high value for a monofacial module, enabling the construction of large-capacity systems with fewer panels — reducing costs associated with racking, cabling, and labor compared to lower-wattage module classes.
Are the Einnova Solarline TOPCon N-type panels suitable for both residential and commercial installations?
Yes. The manufacturer positions this series for both residential prosumer micro-installations on single-family rooftops and larger-scale commercial and industrial projects. The high output of 600 Wp, the 30-year warranty, and the low temperature coefficient make these panels a cost-effective choice wherever rapid return on investment and low operating costs over several decades are a priority.
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