SunSpark Technology Inc. SST-M156(HCBF)-595W

Mono-c-Si Bifacial

595 W Pmax

54.9 V Voc

13.81 A Isc

46.0 V Vmp

12.94 A Imp

21.49 % eff.

0.7851 FF

78 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	595.24	W
PTC Power	PTC	558.0	W
Open-circuit voltage	V_oc_ref	54.9	V
Short-circuit current	I_sc_ref	13.81	A
Max-power voltage	V_mp_ref	46.0	V
Max-power current	I_mp_ref	12.94	A
Fill factor	FF	0.7851	—
Efficiency (STC)	η	21.49	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006629	A/°C
Voc temperature coefficient	beta_oc	-0.141093	V/°C
Pmax temperature coefficient	gamma_r	-0.338	%/°C
NOCT	T_NOCT	44.6	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	2.03031	V
Light-generated current (ref)	I_L_ref	13.82651	A
Saturation current (ref)	I_o_ref	2.44e-11	A
Series resistance	R_s	0.19734	Ω
Shunt resistance (ref)	R_sh_ref	165.092	Ω
Cells in series	N_s	78	—
CEC Adjust factor	Adjust	10.6504	%

Additional Model Sources

Source	Model type	Fit quality	Citation
CEC module list (via SAM library) Default	CEC / De Soto single-diode	—	https://www.energy.ca.gov/media/2367
Sandia PVsyst single-diode fit	PVsyst single-diode	NMBE Pmp0.0159	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

Actions

Open in PV Explorer Generate PAN File Datasheet not on file CEC Source Data

Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 78

Module area 2.77 m²

NOCT 44.6 °C

Temp. coefficient of Pmax -0.338 %/°C

Temp. coefficient of Voc -0.257 %/°C

Temp. coefficient of Isc 0.048 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

Related Models

Similar Modules

Other manufacturers, same technology and cell count, power within 3 %.