Mission Solar MSI10-590HN4G vs Mission Solar MST12R615HN3G
VS
The verdict
MST12R615HN3G leads on the differences that matter
The largest is rated power: 25 W more power. 9 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.
See all 9 differencesHow alike are they
9
of 18 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
9 of 18 parameters
What actually differs
Parameter
MSI10-590HN4G
MST12R615HN3G
Difference
Rated power
590 Wp
615 Wp
25 W more power
Open-circuit voltage
52.90 V
48.29 V
4.61 V apart
Short-circuit current
14.11 A
16.20 A
2.09 A apart
Module area
2.583 m²
2.701 m²
0.118 m² apart
Cell technology
TOPCon
N-type
TOPCon vs N-type
Voltage at max power
44.23 V
39.97 V
4.26 V apart
Current at max power
13.36 A
15.39 A
2.03 A apart
Cell count
144
132
12 cells apart
Dimensions
2278x1134x30 mm
2382x1134x30 mm
2278x1134x30 mm vs 2382x1134x30 mm
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
MSI10-590HN4G
19,796 kWh
MST12R615HN3G
20,634 kWh
Lifetime gap
838 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
MSI10-590HN4G
MST12R615HN3G
Standard test conditions
25 °C
100.0% of rated power
590 W
615 W
Cool, bright day
40 °C
95.5% of rated power
564 W
588 W
Typical summer roof
55 °C
91.1% of rated power
537 W
561 W
Hot roof
70 °C
86.6% of rated power
511 W
535 W
03
Full specification
Parameter
MSI10-590HN4G
MST12R615HN3G
Difference
Power and efficiency
Rated power
590 Wp
615 Wp
+25 W for MST12R615HN3G
Module efficiency
22.86 %
22.80 %
Effectively the same
Power density
228.4 Wp/m²
227.7 Wp/m²
Effectively the same
Open-circuit voltage
52.90 V
48.29 V
4.61 V apart
Voltage at max power
44.23 V
39.97 V
4.26 V apart
Short-circuit current
14.11 A
16.20 A
2.09 A apart
Current at max power
13.36 A
15.39 A
2.03 A apart
Temperature
Temperature coefficient
-0.298 %/°C
-0.290 %/°C
Effectively the same
Mechanical
Dimensions
2278x1134x30 mm
2382x1134x30 mm
2278x1134x30 mm vs 2382x1134x30 mm
Module area
2.583 m²
2.701 m²
0.118 m² apart
Weight
32.2 kg
33.0 kg
Effectively the same
Weight per kWp
54.6 kg/kWp
53.7 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
12 yrs
-
Not published by Mission Solar
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.40 %/yr
0.40 %/yr
Same
Technology
Cell technology
TOPCon
N-type
TOPCon vs N-type
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
144
132
12 cells apart
Bifacial
Yes
Yes
Same
04
14,129 panels
Against the whole database
Efficiency
#2,591
vs
#2,769
MSI10-590HN4G leads by 178 places
Power density
#2,653
vs
#3,132
MSI10-590HN4G leads by 479 places
Heat behaviour
#6,149
vs
#2,220
MST12R615HN3G leads by 3,929 places
Weight
#9,021
vs
#7,730
MST12R615HN3G leads by 1,291 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#3,768
vs
#5,428
MSI10-590HN4G leads by 1,660 places
05
Open the full database
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06
Written summary
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07
Questions about this pairing
Which panel is better: Mission Solar MSI10-590HN4G or Mission Solar MST12R615HN3G?
According to our database: Mission Solar MSI10-590HN4G has higher module efficiency (22.86% vs 22.80%); Mission Solar MST12R615HN3G tolerates heat better (temp coeff -0.290%/°C vs -0.298%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Mission Solar MSI10-590HN4G and Mission Solar MST12R615HN3G?
Mission Solar MSI10-590HN4G has a module efficiency of 22.86%, while Mission Solar MST12R615HN3G is 22.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Mission Solar MSI10-590HN4G use vs Mission Solar MST12R615HN3G?
Mission Solar MSI10-590HN4G uses TOPCon cells; Mission Solar MST12R615HN3G uses N-type. 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 Mission Solar MSI10-590HN4G and Mission Solar MST12R615HN3G?
Mission Solar MSI10-590HN4G has a 30 years power warranty; Mission Solar MST12R615HN3G 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.
Are Mission Solar MSI10-590HN4G and Mission Solar MST12R615HN3G bifacial panels?
Both Mission Solar MSI10-590HN4G and Mission Solar MST12R615HN3G are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.
Shop prices: See 4 Mission 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.