PEI-144-575-THGB-M10 vs PE-585TBBG-144 16 of 19 identical Swap Change panels

Premier Energies PEI-144-575-THGB-M10 vs Premier Energies PE-585TBBG-144

Q: Which panel is better: Premier Energies PEI-144-575-THGB-M10 or Premier Energies PE-585TBBG-144?

According to our database: Premier Energies PE-585TBBG-144 has higher module efficiency (22.63% vs 22.24%). See the full spec comparison and 30-year energy simulation above for a complete picture.

Q: What is the efficiency of Premier Energies PEI-144-575-THGB-M10 and Premier Energies PE-585TBBG-144?

Premier Energies PEI-144-575-THGB-M10 has a module efficiency of 22.24%, while Premier Energies PE-585TBBG-144 is 22.63%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does Premier Energies PEI-144-575-THGB-M10 use vs Premier Energies PE-585TBBG-144?

Premier Energies PEI-144-575-THGB-M10 uses TOPCon cells; Premier Energies PE-585TBBG-144 uses TOPCon. 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 Premier Energies PEI-144-575-THGB-M10 and Premier Energies PE-585TBBG-144?

Premier Energies PEI-144-575-THGB-M10 has a 30 years power warranty; Premier Energies PE-585TBBG-144 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.

Q: Are Premier Energies PEI-144-575-THGB-M10 and Premier Energies PE-585TBBG-144 bifacial panels?

Both Premier Energies PEI-144-575-THGB-M10 and Premier Energies PE-585TBBG-144 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.

Premier Energies

PEI-144-575-THGB-M10

575 Wp 22.24 % TOPCon Bifacial

Open panel page Datasheet PDF

Premier Energies

PE-585TBBG-144

585 Wp 22.63 % TOPCon Bifacial

Open panel page Datasheet PDF

The verdict

PE-585TBBG-144 leads on the differences that matter

The largest is module efficiency: 0.39 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences

How alike are they

16 of 19 comparable
parameters are identical

identical differs

What actually differs

3 of 19 parameters

Parameter PEI-144-575-THGB-M10 PE-585TBBG-144 Difference

Module efficiency 22.24 % 22.63 % 0.39 pp more efficient

Power density 222.6 Wp/m² 226.5 Wp/m² 3.9 Wp/m² higher

Rated power 575 Wp 585 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

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.

PEI-144-575-THGB-M10

19,292 kWh

PE-585TBBG-144

19,628 kWh

Lifetime gap

336 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario PEI-144-575-THGB-M10 PE-585TBBG-144

Standard test conditions 25 °C 100.0% of rated power 575 W 585 W

Cool, bright day 40 °C 95.5% of rated power 549 W 559 W

Typical summer roof 55 °C 91.0% of rated power 523 W 532 W

Hot roof 70 °C 86.5% of rated power 497 W 506 W

Full specification

Parameter PEI-144-575-THGB-M10 PE-585TBBG-144 Difference

Power and efficiency

Rated power 575 Wp 585 Wp +10 W for PE-585TBBG-144

Module efficiency 22.24 % 22.63 % +0.39 pp for PE-585TBBG-144

Power density 222.6 Wp/m² 226.5 Wp/m² +3.9 Wp/m² for PE-585TBBG-144

Open-circuit voltage 51.30 V 51.38 V Effectively the same

Voltage at max power 44.03 V 44.11 V Effectively the same

Short-circuit current 13.71 A 13.93 A Effectively the same

Current at max power 13.06 A 13.27 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 58.1 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

Against the whole database

14,005 panels

Efficiency

#5,722 vs #3,622

PE-585TBBG-144 leads by 2,100 places

Power density

#5,549 vs #3,500

PE-585TBBG-144 leads by 2,049 places

Heat behaviour

#6,093 vs #6,093

Tied - the same position in the database

Weight

#12,033 vs #11,570

PE-585TBBG-144 leads by 463 places

Warranty

#21 vs #21

Tied - the same position in the database

Overall

#4,990 vs #4,210

PE-585TBBG-144 leads by 780 places

More useful comparisons

Open the full database

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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 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 PEI-144-580-THGB-M10

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

Written summary

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Questions about this pairing

Which panel is better: Premier Energies PEI-144-575-THGB-M10 or Premier Energies PE-585TBBG-144?

According to our database: Premier Energies PE-585TBBG-144 has higher module efficiency (22.63% 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 PE-585TBBG-144?

Premier Energies PEI-144-575-THGB-M10 has a module efficiency of 22.24%, while Premier Energies PE-585TBBG-144 is 22.63%. 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 PE-585TBBG-144?

Premier Energies PEI-144-575-THGB-M10 uses TOPCon cells; Premier Energies PE-585TBBG-144 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 PE-585TBBG-144?

Premier Energies PEI-144-575-THGB-M10 has a 30 years power warranty; Premier Energies PE-585TBBG-144 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 PE-585TBBG-144 bifacial panels?

Both Premier Energies PEI-144-575-THGB-M10 and Premier Energies PE-585TBBG-144 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.