Heliene 144HC-555 M10 NTYP SL Bifacial

Mono-c-Si Bifacial

556 W Pmax

52.26 V Voc

13.56 A Isc

43.48 V Vmp

12.79 A Imp

21.55 % eff.

0.7847 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	556.109	W
PTC Power	PTC	520.2	W
Open-circuit voltage	V_oc_ref	52.26	V
Short-circuit current	I_sc_ref	13.56	A
Max-power voltage	V_mp_ref	43.48	V
Max-power current	I_mp_ref	12.79	A
Fill factor	FF	0.7847	—
Efficiency (STC)	η	21.55	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004231	A/°C
Voc temperature coefficient	beta_oc	-0.124483	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	1.78576	V
Light-generated current (ref)	I_L_ref	13.57623	A
Saturation current (ref)	I_o_ref	2.6e-12	A
Series resistance	R_s	0.24326	Ω
Shunt resistance (ref)	R_sh_ref	203.247	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	-0.1852	%

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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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