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585-THGB-M10 vs 580-THGB-M10 19 of 19 identical Swap Change panels

Premier Energies PEI-144-585-THGB-M10 vs Premier Energies PEI-144-580-THGB-M10

Premier Energies
PEI-144-585-THGB-M10
585 Wp 22.63 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Premier Energies
PEI-144-580-THGB-M10
580 Wp 22.44 % TOPCon Bifacial
Open panel page Datasheet PDF
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
identical differs
01

What actually differs

0 of 19 parameters

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 (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
585-THGB-M10
19,628 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 585-THGB-M10 580-THGB-M10
Standard test conditions 25 °C 100.0% of rated power 585 W 580 W
Cool, bright day 40 °C 95.5% of rated power 559 W 554 W
Typical summer roof 55 °C 91.0% of rated power 532 W 528 W
Hot roof 70 °C 86.5% of rated power 506 W 502 W
03

Full specification

Parameter 585-THGB-M10 580-THGB-M10 Difference
Power and efficiency
Rated power 585 Wp 580 Wp Effectively the same
Module efficiency 22.63 % 22.44 % Effectively the same
Power density 226.5 Wp/m² 224.5 Wp/m² Effectively the same
Open-circuit voltage 51.38 V 51.34 V Effectively the same
Voltage at max power 44.11 V 44.07 V Effectively the same
Short-circuit current 13.93 A 13.83 A Effectively the same
Current at max power 13.27 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 58.1 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
#3,622 vs #4,716
585-THGB-M10 leads by 1,094 places
Power density
#3,500 vs #4,547
585-THGB-M10 leads by 1,047 places
Heat behaviour
#6,093 vs #6,093
Tied - the same position in the database
Weight
#11,570 vs #11,813
585-THGB-M10 leads by 243 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#4,210 vs #4,636
585-THGB-M10 leads by 426 places
05

More useful comparisons

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

Written summary

07

Questions about this pairing

Which panel is better: Premier Energies PEI-144-585-THGB-M10 or Premier Energies PEI-144-580-THGB-M10?
According to our database: Premier Energies PEI-144-585-THGB-M10 has higher module efficiency (22.63% vs 22.44%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Premier Energies PEI-144-585-THGB-M10 and Premier Energies PEI-144-580-THGB-M10?
Premier Energies PEI-144-585-THGB-M10 has a module efficiency of 22.63%, 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-144-585-THGB-M10 use vs Premier Energies PEI-144-580-THGB-M10?
Premier Energies PEI-144-585-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-144-585-THGB-M10 and Premier Energies PEI-144-580-THGB-M10?
Premier Energies PEI-144-585-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-144-585-THGB-M10 and Premier Energies PEI-144-580-THGB-M10 bifacial panels?
Both Premier Energies PEI-144-585-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.