Zhejiang Sunpro Power Technology Co Ltd SPDG590-120M12

Mono-c-Si

590 W Pmax

41.1 V Voc

18.42 A Isc

34.0 V Vmp

17.35 A Imp

21.37 % eff.

0.7792 FF

60 cells

Same test data as SP590-120M12T. CEC lists each frame, color and backsheet version as its own listing.

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	589.9	W
PTC Power	PTC	553.4	W
Open-circuit voltage	V_oc_ref	41.1	V
Short-circuit current	I_sc_ref	18.42	A
Max-power voltage	V_mp_ref	34.0	V
Max-power current	I_mp_ref	17.35	A
Fill factor	FF	0.7792	—
Efficiency (STC)	η	21.37	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.009763	A/°C
Voc temperature coefficient	beta_oc	-0.111381	V/°C
Pmax temperature coefficient	gamma_r	-0.351	%/°C
NOCT	T_NOCT	43.8	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.54054	V
Light-generated current (ref)	I_L_ref	18.43743	A
Saturation current (ref)	I_o_ref	4.7e-11	A
Series resistance	R_s	0.13571	Ω
Shunt resistance (ref)	R_sh_ref	143.377	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	7.9858	%

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 2.76 m²

NOCT 43.8 °C

Temp. coefficient of Pmax -0.351 %/°C

Temp. coefficient of Voc -0.271 %/°C

Temp. coefficient of Isc 0.053 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

Same Test Data

2 listings with identical nameplate test data, one per frame, color or backsheet version.

Similar Modules

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