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580 vs 570 16 of 19 identical Swap Change panels

Amerisolar AS-7M144N-HC-580 vs Amerisolar AS-7M144N-HC-570

Amerisolar
AS-7M144N-HC-580
580 Wp 22.44 % TOPCon
Open panel page Datasheet PDF
VS
Amerisolar
AS-7M144N-HC-570
570 Wp 22.06 % TOPCon
Open panel page Datasheet PDF
The verdict

580 leads on the differences that matter

The largest is module efficiency: 0.38 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 580 570 Difference
Module efficiency 22.44 % 22.06 % 0.38 pp more efficient
Power density 224.4 Wp/m² 220.6 Wp/m² 3.9 Wp/m² higher
Rated power 580 Wp 570 Wp 10 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 (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
580
19,460 kWh
570
19,125 kWh
Lifetime gap
335 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 580 570
Standard test conditions 25 °C 100.0% of rated power 580 W 570 W
Cool, bright day 40 °C 95.5% of rated power 554 W 544 W
Typical summer roof 55 °C 91.0% of rated power 528 W 519 W
Hot roof 70 °C 86.5% of rated power 502 W 493 W
03

Full specification

Parameter 580 570 Difference
Power and efficiency
Rated power 580 Wp 570 Wp +10 W for 580
Module efficiency 22.44 % 22.06 % +0.38 pp for 580
Power density 224.4 Wp/m² 220.6 Wp/m² +3.9 Wp/m² for 580
Open-circuit voltage 51.20 V 50.80 V Effectively the same
Voltage at max power 43.00 V 42.60 V Effectively the same
Short-circuit current 14.24 A 14.14 A Effectively the same
Current at max power 13.49 A 13.39 A Effectively the same
Temperature
Temperature coefficient -0.300 %/°C -0.300 %/°C Same
Mechanical
Dimensions 2279x1134x30 mm 2279x1134x30 mm Same
Module area 2.584 m² 2.584 m² Same
Weight 27.5 kg 27.5 kg Same
Weight per kWp 47.4 kg/kWp 48.2 kg/kWp Effectively the same
Warranty and degradation
Product warranty 20 yrs 20 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 144 Same
Bifacial No No Same
04

Against the whole database

14,129 panels
Efficiency
#4,776 vs #6,268
580 leads by 1,492 places
Power density
#4,752 vs #6,221
580 leads by 1,469 places
Heat behaviour
#6,152 vs #6,152
Tied - the same position in the database
Weight
#1,672 vs #2,135
580 leads by 463 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#2,856 vs #3,651
580 leads by 795 places
05

More useful comparisons

Open the full database
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Amerisolar AS-7M144N-HC-580 vs Amerisolar AS-7M144N-HC-590
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Amerisolar AS-7M144N-HC-580 vs Amerisolar AS-7M144N-HC-585
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Amerisolar AS-7M144N-HC-580 vs Amerisolar AS-7M144N-HC-575
The same specification on paper
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Amerisolar AS-7M144N-HC-580 vs Amerisolar AS-7M144N-HC-565
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Amerisolar AS-7M144N-HC-580 vs Amerisolar AS-7M144N-HC-560
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Amerisolar AS-7M144N-HC-580 vs Amerisolar AS-7M144-HC-550
10 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Amerisolar AS-7M144N-HC-580 or Amerisolar AS-7M144N-HC-570?
According to our database: Amerisolar AS-7M144N-HC-580 has higher module efficiency (22.44% vs 22.06%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Amerisolar AS-7M144N-HC-580 and Amerisolar AS-7M144N-HC-570?
Amerisolar AS-7M144N-HC-580 has a module efficiency of 22.44%, while Amerisolar AS-7M144N-HC-570 is 22.06%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Amerisolar AS-7M144N-HC-580 use vs Amerisolar AS-7M144N-HC-570?
Amerisolar AS-7M144N-HC-580 uses TOPCon cells; Amerisolar AS-7M144N-HC-570 uses TOPCon. 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 Amerisolar AS-7M144N-HC-580 and Amerisolar AS-7M144N-HC-570?
Amerisolar AS-7M144N-HC-580 has a 30 years power warranty; Amerisolar AS-7M144N-HC-570 has a 30 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 3 Amerisolar 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.