Tata Power Solar TP540HG10B-550 vs Tata Power Solar TP540HG10B-545
VS
The verdict
Identical on every published parameter
All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from.
How alike are they
19
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
0 of 19 parameters
What actually differs
Every comparable parameter agrees. The full specification is below.
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 (-0.370 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
550
17,582 kWh
545
17,423 kWh
Lifetime gap
159 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
550
545
Standard test conditions
25 °C
100.0% of rated power
550 W
545 W
Cool, bright day
40 °C
94.5% of rated power
519 W
515 W
Typical summer roof
55 °C
88.9% of rated power
489 W
485 W
Hot roof
70 °C
83.3% of rated power
458 W
454 W
03
Full specification
Parameter
550
545
Difference
Power and efficiency
Rated power
550 Wp
545 Wp
Effectively the same
Module efficiency
21.29 %
21.10 %
Effectively the same
Power density
212.9 Wp/m²
211.0 Wp/m²
Effectively the same
Open-circuit voltage
49.75 V
49.60 V
Effectively the same
Voltage at max power
42.62 V
42.55 V
Effectively the same
Short-circuit current
13.42 A
13.32 A
Effectively the same
Current at max power
12.90 A
12.81 A
Effectively the same
Temperature
Temperature coefficient
-0.370 %/°C
-0.370 %/°C
Same
Mechanical
Dimensions
2278x1134x35 mm
2278x1134x35 mm
Same
Module area
2.583 m²
2.583 m²
Same
Weight
33.0 kg
33.0 kg
Same
Weight per kWp
60.0 kg/kWp
60.6 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
12 yrs
12 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.60 %/yr
0.60 %/yr
Same
Technology
Cell technology
PERC
PERC
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
144
144
Same
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#8,708
vs
#9,297
550 leads by 589 places
Power density
#8,497
vs
#9,312
550 leads by 815 places
Heat behaviour
#13,081
vs
#13,081
Tied - the same position in the database
Weight
#12,318
vs
#12,489
550 leads by 171 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#7,023
vs
#7,457
550 leads by 434 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 TP540HG10B-550 or Tata Power Solar TP540HG10B-545?
According to our database: Tata Power Solar TP540HG10B-550 has higher module efficiency (21.29% vs 21.10%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Tata Power Solar TP540HG10B-550 and Tata Power Solar TP540HG10B-545?
Tata Power Solar TP540HG10B-550 has a module efficiency of 21.29%, while Tata Power Solar TP540HG10B-545 is 21.10%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Tata Power Solar TP540HG10B-550 use vs Tata Power Solar TP540HG10B-545?
Tata Power Solar TP540HG10B-550 uses PERC cells; Tata Power Solar TP540HG10B-545 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 Tata Power Solar TP540HG10B-550 and Tata Power Solar TP540HG10B-545?
Tata Power Solar TP540HG10B-550 has a 30 years power warranty; Tata Power Solar TP540HG10B-545 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 TP540HG10B-550 and Tata Power Solar TP540HG10B-545 bifacial panels?
Both Tata Power Solar TP540HG10B-550 and Tata Power Solar TP540HG10B-545 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.