Astronergy CHSM72N-HC-590 vs Astronergy CHSM72N-HC-580
VS
The verdict
590 leads on the differences that matter
The largest is module efficiency: 0.30 pp more efficient. 16 of 19 comparable parameters are identical.
See all 3 differencesHow alike are they
16
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
3 of 19 parameters
What actually differs
Parameter
590
580
Difference
Module efficiency
22.80 %
22.50 %
0.30 pp more efficient
Power density
228.4 Wp/m²
224.5 Wp/m²
3.9 Wp/m² higher
Rated power
590 Wp
580 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 (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
590
19,796 kWh
580
19,460 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
590
580
Standard test conditions
25 °C
100.0% of rated power
590 W
580 W
Cool, bright day
40 °C
95.7% of rated power
564 W
555 W
Typical summer roof
55 °C
91.3% of rated power
539 W
530 W
Hot roof
70 °C
87.0% of rated power
513 W
504 W
03
Full specification
Parameter
590
580
Difference
Power and efficiency
Rated power
590 Wp
580 Wp
+10 W for 590
Module efficiency
22.80 %
22.50 %
+0.30 pp for 590
Power density
228.4 Wp/m²
224.5 Wp/m²
+3.9 Wp/m² for 590
Open-circuit voltage
51.45 V
51.15 V
Effectively the same
Voltage at max power
42.88 V
42.63 V
Effectively the same
Short-circuit current
14.50 A
14.30 A
Effectively the same
Current at max power
13.76 A
13.61 A
Effectively the same
Temperature
Temperature coefficient
-0.290 %/°C
-0.290 %/°C
Same
Mechanical
Dimensions
2278x1134x35 mm
2278x1134x35 mm
Same
Module area
2.583 m²
2.583 m²
Same
Weight
26.9 kg
26.9 kg
Same
Weight per kWp
45.6 kg/kWp
46.4 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
12 yrs
12 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
14,005 panels
Against the whole database
Efficiency
#2,714
vs
#4,222
590 leads by 1,508 places
Power density
#2,598
vs
#4,547
590 leads by 1,949 places
Heat behaviour
#2,165
vs
#2,165
Tied - the same position in the database
Weight
#774
vs
#1,132
590 leads by 358 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#3,643
vs
#4,367
590 leads by 724 places
05
Open the full database
More useful comparisons
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06
Written summary
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07
Questions about this pairing
Which panel is better: Astronergy CHSM72N-HC-590 or Astronergy CHSM72N-HC-580?
According to our database: Astronergy CHSM72N-HC-590 has higher module efficiency (22.80% vs 22.50%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Astronergy CHSM72N-HC-590 and Astronergy CHSM72N-HC-580?
Astronergy CHSM72N-HC-590 has a module efficiency of 22.80%, while Astronergy CHSM72N-HC-580 is 22.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Astronergy CHSM72N-HC-590 use vs Astronergy CHSM72N-HC-580?
Astronergy CHSM72N-HC-590 uses TOPCon cells; Astronergy CHSM72N-HC-580 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 Astronergy CHSM72N-HC-590 and Astronergy CHSM72N-HC-580?
Astronergy CHSM72N-HC-590 has a 30 years power warranty; Astronergy CHSM72N-HC-580 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 40 Astronergy 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.