Adani Solar ASB-M10-144-520 vs Tata Power Solar TP590LG10B
VS
The verdict
12 differences, and they point both ways
The largest is module efficiency: 0.93 pp more efficient. 7 of 19 comparable parameters are identical.
See all 12 differencesHow alike are they
7
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
12 of 19 parameters
What actually differs
Parameter
ASB-M10-144-520
TP590LG10B
Difference
Module efficiency
20.25 %
21.18 %
0.93 pp more efficient
Rated power
520 Wp
590 Wp
70 W more power
Temperature coefficient
-0.340 %/°C
-0.370 %/°C
0.030 %/°C better in heat
Power density
202.5 Wp/m²
211.8 Wp/m²
9.3 Wp/m² higher
Weight
28.0 kg
36.0 kg
8.0 kg lighter
Annual degradation
0.45 %/yr
0.60 %/yr
0.15 %/yr slower
Weight per kWp
53.8 kg/kWp
61.0 kg/kWp
7.2 kg/kWp lighter
Open-circuit voltage
48.60 V
53.90 V
5.30 V apart
Module area
2.567 m²
2.785 m²
0.218 m² apart
Voltage at max power
41.18 V
46.18 V
5.00 V apart
Cell count
144
156
12 cells apart
Dimensions
2266x1133x35 mm
2456x1134x35 mm
2266x1133x35 mm vs 2456x1134x35 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
ASB-M10-144-520
17,124 kWh
TP590LG10B
18,861 kWh
Lifetime gap
1,737 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
ASB-M10-144-520
TP590LG10B
Standard test conditions
25 °C
100.0% of rated power
520 W
590 W
Cool, bright day
40 °C
94.5% of rated power
493 W
557 W
Typical summer roof
55 °C
88.9% of rated power
467 W
525 W
Hot roof
70 °C
83.3% of rated power
440 W
492 W
03
Full specification
Parameter
ASB-M10-144-520
TP590LG10B
Difference
Power and efficiency
Rated power
520 Wp
590 Wp
+70 W for TP590LG10B
Module efficiency
20.25 %
21.18 %
+0.93 pp for TP590LG10B
Power density
202.5 Wp/m²
211.8 Wp/m²
+9.3 Wp/m² for TP590LG10B
Open-circuit voltage
48.60 V
53.90 V
5.30 V apart
Voltage at max power
41.18 V
46.18 V
5.00 V apart
Short-circuit current
13.41 A
13.29 A
Effectively the same
Current at max power
12.65 A
12.78 A
Effectively the same
Temperature
Temperature coefficient
-0.340 %/°C
-0.370 %/°C
+0.030 %/°C for ASB-M10-144-520
Mechanical
Dimensions
2266x1133x35 mm
2456x1134x35 mm
2266x1133x35 mm vs 2456x1134x35 mm
Module area
2.567 m²
2.785 m²
0.218 m² apart
Weight
28.0 kg
36.0 kg
-8.0 kg for ASB-M10-144-520
Weight per kWp
53.8 kg/kWp
61.0 kg/kWp
-7.2 kg/kWp for ASB-M10-144-520
Warranty and degradation
Product warranty
12 yrs
12 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.45 %/yr
0.60 %/yr
-0.15 %/yr for ASB-M10-144-520
Technology
Cell technology
PERC
PERC
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
144
156
12 cells apart
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#11,878
vs
#9,216
TP590LG10B leads by 2,662 places
Power density
#11,845
vs
#9,158
TP590LG10B leads by 2,687 places
Heat behaviour
#8,778
vs
#13,081
ASB-M10-144-520 leads by 4,303 places
Weight
#7,897
vs
#12,577
ASB-M10-144-520 leads by 4,680 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#9,282
vs
#5,685
TP590LG10B leads by 3,597 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: Adani Solar ASB-M10-144-520 or Tata Power Solar TP590LG10B?
According to our database: Tata Power Solar TP590LG10B has higher module efficiency (21.18% vs 20.25%); Adani Solar ASB-M10-144-520 tolerates heat better (temp coeff -0.340%/°C vs -0.370%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Adani Solar ASB-M10-144-520 and Tata Power Solar TP590LG10B?
Adani Solar ASB-M10-144-520 has a module efficiency of 20.25%, while Tata Power Solar TP590LG10B is 21.18%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Adani Solar ASB-M10-144-520 use vs Tata Power Solar TP590LG10B?
Adani Solar ASB-M10-144-520 uses PERC cells; Tata Power Solar TP590LG10B 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 Adani Solar ASB-M10-144-520 and Tata Power Solar TP590LG10B?
Adani Solar ASB-M10-144-520 has a 30 years power warranty; Tata Power Solar TP590LG10B 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 Adani Solar ASB-M10-144-520 and Tata Power Solar TP590LG10B bifacial panels?
Both Adani Solar ASB-M10-144-520 and Tata Power Solar TP590LG10B 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 2 Adani 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.