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AB-G12R-132-640 vs TP585LG10B 4 of 19 identical Swap Change panels

Adani Solar AB-G12R-132-640 vs Tata Power Solar TP585LG10B

Adani Solar
AB-G12R-132-640
640 Wp 23.71 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Tata Power Solar TP585LG10B
Tata Power Solar
TP585LG10B
585 Wp 21.00 % PERC Bifacial
Open panel page Datasheet PDF
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 differences
How alike are they
4 of 19 comparable
parameters are identical
identical differs
01

What actually differs

15 of 19 parameters
Parameter AB-G12R-132-640 TP585LG10B Difference
Module efficiency 23.71 % 21.00 % 2.71 pp more efficient
Temperature coefficient -0.280 %/°C -0.370 %/°C 0.090 %/°C better in heat
Rated power 640 Wp 585 Wp 55 W more power
Power density 237.1 Wp/m² 210.0 Wp/m² 27.1 Wp/m² higher
Annual degradation 0.40 %/yr 0.60 %/yr 0.20 %/yr slower
Weight per kWp 52.5 kg/kWp 61.5 kg/kWp 9.0 kg/kWp lighter
Open-circuit voltage 49.06 V 53.73 V 4.67 V apart
Short-circuit current 16.09 A 13.20 A 2.89 A apart
Module area 2.699 m² 2.785 m² 0.086 m² apart
Weight 33.6 kg 36.0 kg 2.4 kg lighter
Cell technology TOPCon PERC TOPCon vs PERC
Voltage at max power 42.00 V 46.10 V 4.10 V apart
Current at max power 15.26 A 12.69 A 2.57 A apart
Cell count 132 156 24 cells apart
Dimensions 2382x1133x30 mm 2456x1134x35 mm 2382x1133x30 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
AB-G12R-132-640
21,473 kWh
TP585LG10B
18,701 kWh
Lifetime gap
2,772 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario AB-G12R-132-640 TP585LG10B
Standard test conditions 25 °C 100.0% of rated power 640 W 585 W
Cool, bright day 40 °C 94.5% of rated power 613 W 553 W
Typical summer roof 55 °C 88.9% of rated power 586 W 520 W
Hot roof 70 °C 83.3% of rated power 559 W 488 W
03

Full specification

Parameter AB-G12R-132-640 TP585LG10B Difference
Power and efficiency
Rated power 640 Wp 585 Wp +55 W for AB-G12R-132-640
Module efficiency 23.71 % 21.00 % +2.71 pp for AB-G12R-132-640
Power density 237.1 Wp/m² 210.0 Wp/m² +27.1 Wp/m² for AB-G12R-132-640
Open-circuit voltage 49.06 V 53.73 V 4.67 V apart
Voltage at max power 42.00 V 46.10 V 4.10 V apart
Short-circuit current 16.09 A 13.20 A 2.89 A apart
Current at max power 15.26 A 12.69 A 2.57 A apart
Temperature
Temperature coefficient -0.280 %/°C -0.370 %/°C +0.090 %/°C for AB-G12R-132-640
Mechanical
Dimensions 2382x1133x30 mm 2456x1134x35 mm 2382x1133x30 mm vs 2456x1134x35 mm
Module area 2.699 m² 2.785 m² 0.086 m² apart
Weight 33.6 kg 36.0 kg -2.4 kg for AB-G12R-132-640
Weight per kWp 52.5 kg/kWp 61.5 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 0.40 %/yr 0.60 %/yr -0.20 %/yr for AB-G12R-132-640
Technology
Cell technology TOPCon PERC TOPCon vs PERC
Cell type Monocrystalline Monocrystalline Same
Cell count 132 156 24 cells apart
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#516 vs #9,758
AB-G12R-132-640 leads by 9,242 places
Power density
#516 vs #9,765
AB-G12R-132-640 leads by 9,249 places
Heat behaviour
#1,309 vs #13,081
AB-G12R-132-640 leads by 11,772 places
Weight
#6,043 vs #12,659
AB-G12R-132-640 leads by 6,616 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#1,529 vs #6,052
AB-G12R-132-640 leads by 4,523 places
05

More useful comparisons

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06

Written summary

07

Questions about this pairing

Which panel is better: Adani Solar AB-G12R-132-640 or Tata Power Solar TP585LG10B?
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 Adani Solar AB-G12R-132-640 and Tata Power Solar TP585LG10B?
Adani Solar AB-G12R-132-640 has a module efficiency of 23.71%, while Tata Power Solar TP585LG10B is 21.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Adani Solar AB-G12R-132-640 use vs Tata Power Solar TP585LG10B?
Adani Solar AB-G12R-132-640 uses TOPCon cells; Tata Power Solar TP585LG10B 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 AB-G12R-132-640 and Tata Power Solar TP585LG10B?
Adani Solar AB-G12R-132-640 has a 30 years power warranty; Tata Power Solar TP585LG10B 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 AB-G12R-132-640 and Tata Power Solar TP585LG10B bifacial panels?
Both Adani Solar AB-G12R-132-640 and Tata Power Solar TP585LG10B 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.
Compare Adani Solar and Tata Power Solar as manufacturers Portfolio, efficiency, cell technologies and warranty terms

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.