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575-THGB-M10 vs 580-THGB-M10 18 of 19 identical Swap Change panels

Premier Energies PEI-144-575-THGB-M10 vs Premier Energies PEI-144-580-THGB-M10

Premier Energies
PEI-144-575-THGB-M10
575 Wp 22.24 % TOPCon Bifacial
VS
Premier Energies
PEI-144-580-THGB-M10
580 Wp 22.44 % TOPCon Bifacial
The verdict

580-THGB-M10 leads on the differences that matter

The largest is module efficiency: 0.20 pp more efficient. 18 of 19 comparable parameters are identical.

See the one difference
How alike are they
18 of 19 comparable
parameters are identical
identical differs
01

What actually differs

1 of 19 parameters
Parameter 575-THGB-M10 580-THGB-M10 Difference
Module efficiency 22.24 % 22.44 % 0.20 pp more efficient
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 (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
575-THGB-M10
19,292 kWh
580-THGB-M10
19,460 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 575-THGB-M10 580-THGB-M10
Standard test conditions 25 °C 100.0% of rated power 575 W 580 W
Cool, bright day 40 °C 95.5% of rated power 549 W 554 W
Typical summer roof 55 °C 91.0% of rated power 523 W 528 W
Hot roof 70 °C 86.5% of rated power 497 W 502 W
03

Full specification

Parameter 575-THGB-M10 580-THGB-M10 Difference
Power and efficiency
Rated power 575 Wp 580 Wp Effectively the same
Module efficiency 22.24 % 22.44 % +0.20 pp for 580-THGB-M10
Power density 222.6 Wp/m² 224.5 Wp/m² Effectively the same
Open-circuit voltage 51.30 V 51.34 V Effectively the same
Voltage at max power 44.03 V 44.07 V Effectively the same
Short-circuit current 13.71 A 13.83 A Effectively the same
Current at max power 13.06 A 13.17 A Effectively the same
Temperature
Temperature coefficient -0.300 %/°C -0.300 %/°C Same
Mechanical
Dimensions 2278x1134x35 mm 2278x1134x35 mm Same
Module area 2.583 m² 2.583 m² Same
Weight 34.0 kg 34.0 kg Same
Weight per kWp 59.1 kg/kWp 58.6 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 144 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#5,722 vs #4,716
580-THGB-M10 leads by 1,006 places
Power density
#5,549 vs #4,547
580-THGB-M10 leads by 1,002 places
Heat behaviour
#6,093 vs #6,093
Tied - the same position in the database
Weight
#12,033 vs #11,813
580-THGB-M10 leads by 220 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#4,990 vs #4,636
580-THGB-M10 leads by 354 places
05

More useful comparisons

Open the full database
Same series, other bin
Premier Energies
Premier Energies PEI-144-575-THGB-M10 vs Premier Energies PE-590TBBG-144
3 differences, the largest is module efficiency
Same series, other bin
Premier Energies
Premier Energies PEI-144-575-THGB-M10 vs Premier Energies PEI-144-590-THGB-M10
3 differences, the largest is module efficiency
Same series, other bin
Premier Energies
Premier Energies PEI-144-575-THGB-M10 vs Premier Energies PE-585TBBG-144
3 differences, the largest is module efficiency
Same series, other bin
Premier Energies
Premier Energies PEI-144-575-THGB-M10 vs Premier Energies PEI-144-585-THGB-M10
3 differences, the largest is module efficiency
Same series, other bin
Premier Energies
Premier Energies PEI-144-575-THGB-M10 vs Premier Energies PE-580TBBG-144
One difference: module efficiency
Same series, other bin
Premier Energies
Premier Energies PEI-144-575-THGB-M10 vs Premier Energies PE-575TBBG-144
The same specification on paper
06

Written summary

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07

Questions about this pairing

Which panel is better: Premier Energies PEI-144-575-THGB-M10 or Premier Energies PEI-144-580-THGB-M10?
According to our database: Premier Energies PEI-144-580-THGB-M10 has higher module efficiency (22.44% vs 22.24%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Premier Energies PEI-144-575-THGB-M10 and Premier Energies PEI-144-580-THGB-M10?
Premier Energies PEI-144-575-THGB-M10 has a module efficiency of 22.24%, while Premier Energies PEI-144-580-THGB-M10 is 22.44%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Premier Energies PEI-144-575-THGB-M10 use vs Premier Energies PEI-144-580-THGB-M10?
Premier Energies PEI-144-575-THGB-M10 uses TOPCon cells; Premier Energies PEI-144-580-THGB-M10 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 Premier Energies PEI-144-575-THGB-M10 and Premier Energies PEI-144-580-THGB-M10?
Premier Energies PEI-144-575-THGB-M10 has a 30 years power warranty; Premier Energies PEI-144-580-THGB-M10 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 Premier Energies PEI-144-575-THGB-M10 and Premier Energies PEI-144-580-THGB-M10 bifacial panels?
Both Premier Energies PEI-144-575-THGB-M10 and Premier Energies PEI-144-580-THGB-M10 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 1 Premier Energies offer

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.