TP540HG10B-540 vs TP550HG10TB 10 of 19 identical Swap Change panels

Tata Power Solar TP540HG10B-540 vs Tata Power Solar TP550HG10TB

Q: Which panel is better: Tata Power Solar TP540HG10B-540 or Tata Power Solar TP550HG10TB?

According to our database: Tata Power Solar TP550HG10TB has higher module efficiency (21.29% vs 20.90%); Tata Power Solar TP550HG10TB tolerates heat better (temp coeff -0.360%/°C vs -0.370%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.

Q: What is the efficiency of Tata Power Solar TP540HG10B-540 and Tata Power Solar TP550HG10TB?

Tata Power Solar TP540HG10B-540 has a module efficiency of 20.90%, while Tata Power Solar TP550HG10TB is 21.29%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does Tata Power Solar TP540HG10B-540 use vs Tata Power Solar TP550HG10TB?

Tata Power Solar TP540HG10B-540 uses PERC cells; Tata Power Solar TP550HG10TB uses PERC. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.

Q: What is the warranty on Tata Power Solar TP540HG10B-540 and Tata Power Solar TP550HG10TB?

Tata Power Solar TP540HG10B-540 has a 30 years power warranty; Tata Power Solar TP550HG10TB has a 25 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.

Q: Are Tata Power Solar TP540HG10B-540 and Tata Power Solar TP550HG10TB bifacial panels?

Both Tata Power Solar TP540HG10B-540 and Tata Power Solar TP550HG10TB 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.

Tata Power Solar

TP540HG10B-540

540 Wp 20.90 % PERC Bifacial

Open panel page Datasheet PDF

Tata Power Solar

TP550HG10TB

550 Wp 21.29 % PERC Bifacial

Open panel page Datasheet PDF

The verdict

TP550HG10TB leads on the differences that matter

The largest is performance warranty: 5 yrs longer. 10 of 19 comparable parameters are identical.

See all 9 differences

How alike are they

10 of 19 comparable
parameters are identical

identical differs

What actually differs

9 of 19 parameters

Parameter TP540HG10B-540 TP550HG10TB Difference

Performance warranty 30 yrs 25 yrs 5 yrs longer

Weight 33.0 kg 29.0 kg 4.0 kg lighter

Weight per kWp 61.1 kg/kWp 52.7 kg/kWp 8.4 kg/kWp lighter

Module efficiency 20.90 % 21.29 % 0.39 pp more efficient

Annual degradation 0.60 %/yr 0.72 %/yr 0.12 %/yr slower

Product warranty 12 yrs 10 yrs 2 yrs longer

Power density 209.0 Wp/m² 212.9 Wp/m² 3.9 Wp/m² higher

Temperature coefficient -0.370 %/°C -0.360 %/°C 0.010 %/°C better in heat

Rated power 540 Wp 550 Wp 10 W more power

What it means on a roof

Thirty years of production

Each panel's own declared degradation curve, at 1,200 kWh/kWp a year

Cell temperature

TP540HG10B-540

17,263 kWh

TP550HG10TB

17,238 kWh

Lifetime gap

25 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario TP540HG10B-540 TP550HG10TB

Standard test conditions 25 °C 100.0% of rated power 540 W 550 W

Cool, bright day 40 °C 94.5% of rated power 510 W 520 W

Typical summer roof 55 °C 88.9% of rated power 480 W 491 W

Hot roof 70 °C 83.3% of rated power 450 W 461 W

Full specification

Parameter TP540HG10B-540 TP550HG10TB Difference

Power and efficiency

Rated power 540 Wp 550 Wp +10 W for TP550HG10TB

Module efficiency 20.90 % 21.29 % +0.39 pp for TP550HG10TB

Power density 209.0 Wp/m² 212.9 Wp/m² +3.9 Wp/m² for TP550HG10TB

Open-circuit voltage 49.50 V 49.75 V Effectively the same

Voltage at max power 42.45 V 42.62 V Effectively the same

Short-circuit current 13.23 A 13.42 A Effectively the same

Current at max power 12.72 A 12.90 A Effectively the same

Temperature

Temperature coefficient -0.370 %/°C -0.360 %/°C +0.010 %/°C for TP550HG10TB

Mechanical

Dimensions 2278x1134x35 mm 2278x1134x35 mm Same

Module area 2.583 m² 2.583 m² Same

Weight 33.0 kg 29.0 kg -4.0 kg for TP550HG10TB

Weight per kWp 61.1 kg/kWp 52.7 kg/kWp -8.4 kg/kWp for TP550HG10TB

Warranty and degradation

Product warranty 12 yrs 10 yrs +2 yrs for TP540HG10B-540

Performance warranty 30 yrs 25 yrs +5 yrs for TP540HG10B-540

Annual degradation 0.60 %/yr 0.72 %/yr -0.12 %/yr for TP540HG10B-540

Technology

Cell technology PERC PERC Same

Cell type Monocrystalline Monocrystalline Same

Cell count 144 144 Same

Bifacial Yes Yes Same

Against the whole database

14,005 panels

Efficiency

#10,072 vs #8,708

TP550HG10TB leads by 1,364 places

Power density

#10,100 vs #8,497

TP550HG10TB leads by 1,603 places

Heat behaviour

#13,081 vs #12,345

TP550HG10TB leads by 736 places

Weight

#12,596 vs #6,373

TP550HG10TB leads by 6,223 places

Warranty

#21 vs #9,798

TP540HG10B-540 leads by 9,777 places

Overall

#7,921 vs #8,571

TP540HG10B-540 leads by 650 places

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Written summary

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Questions about this pairing

Which panel is better: Tata Power Solar TP540HG10B-540 or Tata Power Solar TP550HG10TB?

According to our database: Tata Power Solar TP550HG10TB has higher module efficiency (21.29% vs 20.90%); Tata Power Solar TP550HG10TB tolerates heat better (temp coeff -0.360%/°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 TP540HG10B-540 and Tata Power Solar TP550HG10TB?

Tata Power Solar TP540HG10B-540 has a module efficiency of 20.90%, while Tata Power Solar TP550HG10TB is 21.29%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

What cell technology does Tata Power Solar TP540HG10B-540 use vs Tata Power Solar TP550HG10TB?

Tata Power Solar TP540HG10B-540 uses PERC cells; Tata Power Solar TP550HG10TB 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-540 and Tata Power Solar TP550HG10TB?

Tata Power Solar TP540HG10B-540 has a 30 years power warranty; Tata Power Solar TP550HG10TB has a 25 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-540 and Tata Power Solar TP550HG10TB bifacial panels?

Both Tata Power Solar TP540HG10B-540 and Tata Power Solar TP550HG10TB 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.