Heliene 144HC-580 M10 NTYP SL Bifacial

Mono-c-Si Bifacial

581 W Pmax

52.97 V Voc

13.75 A Isc

44.74 V Vmp

12.99 A Imp

22.53 % eff.

0.7979 FF

72 cells

IV & PV Curves at STC (1000 W/m², 25 °C)

IV Curves at Multiple Conditions

Irradiance sweep at 25 °C

Temperature sweep at 1000 W/m²

Single-Diode Model Parameters

Source: California Energy Commission module list · retrieved via SAM library · energy.ca.gov · All data sources

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	581.173	W
PTC Power	PTC	544.3	W
Open-circuit voltage	V_oc_ref	52.97	V
Short-circuit current	I_sc_ref	13.75	A
Max-power voltage	V_mp_ref	44.74	V
Max-power current	I_mp_ref	12.99	A
Fill factor	FF	0.7979	—
Efficiency (STC)	η	22.53	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00429	A/°C
Voc temperature coefficient	beta_oc	-0.126175	V/°C
Pmax temperature coefficient	gamma_r	-0.2958	%/°C
NOCT	T_NOCT	47.5	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.8215	V
Light-generated current (ref)	I_L_ref	13.76194	A
Saturation current (ref)	I_o_ref	3.17e-12	A
Series resistance	R_s	0.18471	Ω
Shunt resistance (ref)	R_sh_ref	212.648	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	1.3499	%

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 72

Module area 2.58 m²

NOCT 47.5 °C

Temp. coefficient of Pmax -0.296 %/°C

Temp. coefficient of Voc -0.238 %/°C

Temp. coefficient of Isc 0.031 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

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