Tata Power Solar TP585LG10B vs Adani Solar AB-G12R-132-640
VS
The verdict
AB-G12R-132-640 leads on the differences that matter
The largest is module efficiency: 2.71 pp more efficient. 4 of 19 comparable parameters are identical.
See all 15 differencesHow alike are they
4
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
15 of 19 parameters
What actually differs
Parameter
TP585LG10B
AB-G12R-132-640
Difference
Module efficiency
21.00 %
23.71 %
2.71 pp more efficient
Temperature coefficient
-0.370 %/°C
-0.280 %/°C
0.090 %/°C better in heat
Rated power
585 Wp
640 Wp
55 W more power
Power density
210.0 Wp/m²
237.1 Wp/m²
27.1 Wp/m² higher
Annual degradation
0.60 %/yr
0.40 %/yr
0.20 %/yr slower
Weight per kWp
61.5 kg/kWp
52.5 kg/kWp
9.0 kg/kWp lighter
Open-circuit voltage
53.73 V
49.06 V
4.67 V apart
Short-circuit current
13.20 A
16.09 A
2.89 A apart
Module area
2.785 m²
2.699 m²
0.086 m² apart
Weight
36.0 kg
33.6 kg
2.4 kg lighter
Cell technology
PERC
TOPCon
PERC vs TOPCon
Voltage at max power
46.10 V
42.00 V
4.10 V apart
Current at max power
12.69 A
15.26 A
2.57 A apart
Cell count
156
132
24 cells apart
Dimensions
2456x1134x35 mm
2382x1133x30 mm
2456x1134x35 mm vs 2382x1133x30 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
TP585LG10B
18,701 kWh
AB-G12R-132-640
21,473 kWh
Lifetime gap
2,772 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
TP585LG10B
AB-G12R-132-640
Standard test conditions
25 °C
100.0% of rated power
585 W
640 W
Cool, bright day
40 °C
94.5% of rated power
553 W
613 W
Typical summer roof
55 °C
88.9% of rated power
520 W
586 W
Hot roof
70 °C
83.3% of rated power
488 W
559 W
03
Full specification
Parameter
TP585LG10B
AB-G12R-132-640
Difference
Power and efficiency
Rated power
585 Wp
640 Wp
+55 W for AB-G12R-132-640
Module efficiency
21.00 %
23.71 %
+2.71 pp for AB-G12R-132-640
Power density
210.0 Wp/m²
237.1 Wp/m²
+27.1 Wp/m² for AB-G12R-132-640
Open-circuit voltage
53.73 V
49.06 V
4.67 V apart
Voltage at max power
46.10 V
42.00 V
4.10 V apart
Short-circuit current
13.20 A
16.09 A
2.89 A apart
Current at max power
12.69 A
15.26 A
2.57 A apart
Temperature
Temperature coefficient
-0.370 %/°C
-0.280 %/°C
+0.090 %/°C for AB-G12R-132-640
Mechanical
Dimensions
2456x1134x35 mm
2382x1133x30 mm
2456x1134x35 mm vs 2382x1133x30 mm
Module area
2.785 m²
2.699 m²
0.086 m² apart
Weight
36.0 kg
33.6 kg
-2.4 kg for AB-G12R-132-640
Weight per kWp
61.5 kg/kWp
52.5 kg/kWp
-9.0 kg/kWp for AB-G12R-132-640
Warranty and degradation
Product warranty
12 yrs
12 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.60 %/yr
0.40 %/yr
-0.20 %/yr for AB-G12R-132-640
Technology
Cell technology
PERC
TOPCon
PERC vs TOPCon
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
156
132
24 cells apart
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#9,758
vs
#516
AB-G12R-132-640 leads by 9,242 places
Power density
#9,765
vs
#516
AB-G12R-132-640 leads by 9,249 places
Heat behaviour
#13,081
vs
#1,309
AB-G12R-132-640 leads by 11,772 places
Weight
#12,659
vs
#6,043
AB-G12R-132-640 leads by 6,616 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#6,052
vs
#1,529
AB-G12R-132-640 leads by 4,523 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: Tata Power Solar TP585LG10B or Adani Solar AB-G12R-132-640?
According to our database: Adani Solar AB-G12R-132-640 has higher module efficiency (23.71% vs 21.00%); Adani Solar AB-G12R-132-640 tolerates heat better (temp coeff -0.280%/°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 Tata Power Solar TP585LG10B and Adani Solar AB-G12R-132-640?
Tata Power Solar TP585LG10B has a module efficiency of 21.00%, while Adani Solar AB-G12R-132-640 is 23.71%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Tata Power Solar TP585LG10B use vs Adani Solar AB-G12R-132-640?
Tata Power Solar TP585LG10B uses PERC cells; Adani Solar AB-G12R-132-640 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 Tata Power Solar TP585LG10B and Adani Solar AB-G12R-132-640?
Tata Power Solar TP585LG10B has a 30 years power warranty; Adani Solar AB-G12R-132-640 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 Tata Power Solar TP585LG10B and Adani Solar AB-G12R-132-640 bifacial panels?
Both Tata Power Solar TP585LG10B and Adani Solar AB-G12R-132-640 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.
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.