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570 vs 585 16 of 19 identical Swap Change panels

Trina Solar TSM-DE19R-570 vs Trina Solar TSM-DE19R-585

Trina Solar TSM-DE19R-570
TSM-DE19R-570
570 Wp 21.10 % PERC
Open panel page Datasheet PDF
VS
Trina Solar TSM-DE19R-585
TSM-DE19R-585
585 Wp 21.70 % PERC
Open panel page Datasheet PDF
The verdict

585 leads on the differences that matter

The largest is module efficiency: 0.60 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences
How alike are they
16 of 19 comparable
parameters are identical
identical differs
01

What actually differs

3 of 19 parameters
Parameter 570 585 Difference
Module efficiency 21.10 % 21.70 % 0.60 pp more efficient
Power density 211.0 Wp/m² 216.6 Wp/m² 5.6 Wp/m² higher
Rated power 570 Wp 585 Wp 15 W more power
02

What it means on a roof

Thirty years of production
Each panel's own declared degradation curve, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.340 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
570
18,473 kWh
585
18,959 kWh
Lifetime gap
486 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 570 585
Standard test conditions 25 °C 100.0% of rated power 570 W 585 W
Cool, bright day 40 °C 94.9% of rated power 541 W 555 W
Typical summer roof 55 °C 89.8% of rated power 512 W 525 W
Hot roof 70 °C 84.7% of rated power 483 W 495 W
03

Full specification

Parameter 570 585 Difference
Power and efficiency
Rated power 570 Wp 585 Wp +15 W for 585
Module efficiency 21.10 % 21.70 % +0.60 pp for 585
Power density 211.0 Wp/m² 216.6 Wp/m² +5.6 Wp/m² for 585
Open-circuit voltage 45.80 V 46.60 V Effectively the same
Voltage at max power 38.50 V 39.30 V Effectively the same
Short-circuit current 15.85 A 15.99 A Effectively the same
Current at max power 14.79 A 14.90 A Effectively the same
Temperature
Temperature coefficient -0.340 %/°C -0.340 %/°C Same
Mechanical
Dimensions 2382x1134x30 mm 2382x1134x30 mm Same
Module area 2.701 m² 2.701 m² Same
Weight 28.1 kg 28.1 kg Same
Weight per kWp 49.3 kg/kWp 48.0 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 25 yrs 25 yrs Same
Annual degradation 0.55 %/yr 0.55 %/yr Same
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial No No Same
04

Against the whole database

14,129 panels
Efficiency
#9,365 vs #7,485
585 leads by 1,880 places
Power density
#9,379 vs #7,645
585 leads by 1,734 places
Heat behaviour
#8,846 vs #8,846
Tied - the same position in the database
Weight
#2,861 vs #2,027
585 leads by 834 places
Warranty
#9,912 vs #9,912
Tied - the same position in the database
Overall
#7,549 vs #6,183
585 leads by 1,366 places
05

More useful comparisons

Open the full database
Same series, other bin
Trina Solar TSM-DE19R-570 vs Trina Solar TSM-DE19R-580
3 differences, the largest is module efficiency
Same series, other bin
Trina Solar TSM-DE19R-570 vs Trina Solar TSM-DE19R-575
One difference: module efficiency
Same series, other bin
Trina Solar TSM-DE19R-570 vs Trina Solar TSM-DE19R-565
One difference: module efficiency
Same manufacturer
Trina Solar TSM-DE19R-570 vs Trina Solar TSM-NEG21C.20Q-760
16 differences, the largest is module efficiency
Same manufacturer
Trina Solar TSM-DE19R-570 vs Trina Solar TSM-NEG21C.20Q-755
16 differences, the largest is module efficiency
Same manufacturer
Trina Solar TSM-DE19R-570 vs Trina Solar TSM-NEG21C.20Q-750
16 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Trina Solar TSM-DE19R-570 or Trina Solar TSM-DE19R-585?
According to our database: Trina Solar TSM-DE19R-585 has higher module efficiency (21.70% vs 21.10%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Trina Solar TSM-DE19R-570 and Trina Solar TSM-DE19R-585?
Trina Solar TSM-DE19R-570 has a module efficiency of 21.10%, while Trina Solar TSM-DE19R-585 is 21.70%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Trina Solar TSM-DE19R-570 use vs Trina Solar TSM-DE19R-585?
Trina Solar TSM-DE19R-570 uses PERC cells; Trina Solar TSM-DE19R-585 uses PERC. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.
What is the warranty on Trina Solar TSM-DE19R-570 and Trina Solar TSM-DE19R-585?
Trina Solar TSM-DE19R-570 has a 25 years power warranty; Trina Solar TSM-DE19R-585 has a 25 years power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80-87%). Product (materials) warranties are usually shorter.

Shop prices: See 184 Trina Solar offers

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate. The thirty-year projection and the temperature scenarios are calculations from those figures, and each states its assumption above.