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440 Wp HCB vs 450Wp HC 16 of 19 identical Swap Change panels

KIOTO Solar KPV 440 Wp HCB vs KIOTO Solar KPV 450Wp HC

KIOTO Solar
KPV 440 Wp HCB
440 Wp 22.02 % TOPCon
Open panel page Datasheet PDF
VS
KIOTO Solar
KPV 450Wp HC
450 Wp 22.53 % TOPCon
Open panel page Datasheet PDF
The verdict

450Wp HC leads on the differences that matter

The largest is module efficiency: 0.51 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
01

What actually differs

3 of 19 parameters
Parameter 440 Wp HCB 450Wp HC Difference
Module efficiency 22.02 % 22.53 % 0.51 pp more efficient
Power density 220.2 Wp/m² 225.2 Wp/m² 5.0 Wp/m² higher
Rated power 440 Wp 450 Wp 10 W more power
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 (-0.320 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
440 Wp HCB
14,763 kWh
450Wp HC
15,098 kWh
Lifetime gap
335 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 440 Wp HCB 450Wp HC
Standard test conditions 25 °C 100.0% of rated power 440 W 450 W
Cool, bright day 40 °C 95.2% of rated power 419 W 428 W
Typical summer roof 55 °C 90.4% of rated power 398 W 407 W
Hot roof 70 °C 85.6% of rated power 377 W 385 W
03

Full specification

Parameter 440 Wp HCB 450Wp HC Difference
Power and efficiency
Rated power 440 Wp 450 Wp +10 W for 450Wp HC
Module efficiency 22.02 % 22.53 % +0.51 pp for 450Wp HC
Power density 220.2 Wp/m² 225.2 Wp/m² +5.0 Wp/m² for 450Wp HC
Open-circuit voltage 39.78 V 40.07 V Effectively the same
Voltage at max power 34.06 V 34.47 V Effectively the same
Short-circuit current 13.63 A 13.68 A Effectively the same
Current at max power 12.93 A 13.06 A Effectively the same
Temperature
Temperature coefficient -0.320 %/°C -0.320 %/°C Same
Mechanical
Dimensions 1748x1143x35 mm 1748x1143x35 mm Same
Module area 1.998 m² 1.998 m² Same
Weight 22.5 kg 22.5 kg Same
Weight per kWp 51.1 kg/kWp 50.0 kg/kWp Effectively the same
Warranty and degradation
Product warranty 30 yrs 30 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 108 108 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#6,329 vs #3,982
450Wp HC leads by 2,347 places
Power density
#6,326 vs #4,224
450Wp HC leads by 2,102 places
Heat behaviour
#8,312 vs #8,312
Tied - the same position in the database
Weight
#4,485 vs #3,317
450Wp HC leads by 1,168 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#5,966 vs #5,068
450Wp HC leads by 898 places
05

More useful comparisons

Open the full database
Same series, other bin
KIOTO Solar
KIOTO Solar KPV 440 Wp HCB vs KIOTO Solar KPV 445Wp HC
One difference: module efficiency
Same manufacturer
KIOTO Solar
KIOTO Solar KPV 440 Wp HCB vs KIOTO Solar KPV 450 Wp HC NE
16 differences, the largest is performance warranty
Same manufacturer
KIOTO Solar
KIOTO Solar KPV 440 Wp HCB vs KIOTO Solar KPV 450Wp HC NE (G/G-TC)
16 differences, the largest is performance warranty
Same manufacturer
KIOTO Solar
KIOTO Solar KPV 440 Wp HCB vs KIOTO Solar KPV 445Wp HC NE (G/G-TC)
11 differences, the largest is module efficiency
Same manufacturer
KIOTO Solar
KIOTO Solar KPV 440 Wp HCB vs KIOTO Solar KPV 440Wp HC NE (G/G-TC)
11 differences, the largest is performance warranty
06

Written summary

07

Questions about this pairing

Which panel is better: KIOTO Solar KPV 440 Wp HCB or KIOTO Solar KPV 450Wp HC?
According to our database: KIOTO Solar KPV 450 Wp HC has higher module efficiency (22.53% vs 22.02%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of KIOTO Solar KPV 440 Wp HCB and KIOTO Solar KPV 450Wp HC?
KIOTO Solar KPV 440 Wp HCB has a module efficiency of 22.02%, while KIOTO Solar KPV 450 Wp HC is 22.53%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does KIOTO Solar KPV 440 Wp HCB use vs KIOTO Solar KPV 450Wp HC?
KIOTO Solar KPV 440 Wp HCB uses TOPCon cells; KIOTO Solar KPV 450 Wp HC 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 KIOTO Solar KPV 440 Wp HCB and KIOTO Solar KPV 450Wp HC?
KIOTO Solar KPV 440 Wp HCB has a 30 years power warranty; KIOTO Solar KPV 450 Wp HC 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.

Shop prices: See 2 KIOTO Solar offers

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.