Zhejiang Sunpro Power Technology Co Ltd SPDG515-N108R12

Mono-c-Si

515 W Pmax

40.71 V Voc

15.98 A Isc

34.09 V Vmp

15.11 A Imp

23.85 % eff.

0.7918 FF

54 cells

Download .PAN for PVsyst Open in PV Explorer Compare with a similar module Soiling and off-MPP calculators

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	515.1	W
PTC Power	PTC	487.8	W
Open-circuit voltage	V_oc_ref	40.71	V
Short-circuit current	I_sc_ref	15.98	A
Max-power voltage	V_mp_ref	34.09	V
Max-power current	I_mp_ref	15.11	A
Fill factor	FF	0.7918	—
Efficiency (STC)	η	23.85	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006712	A/°C
Voc temperature coefficient	beta_oc	-0.099332	V/°C
Pmax temperature coefficient	gamma_r	-0.295	%/°C
NOCT	T_NOCT	44.9	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.41188	V
Light-generated current (ref)	I_L_ref	15.99406	A
Saturation current (ref)	I_o_ref	4.73e-12	A
Series resistance	R_s	0.1416	Ω
Shunt resistance (ref)	R_sh_ref	160.927	Ω
Cells in series	N_s	18	—
CEC Adjust factor	Adjust	0.8106	%

The CEC list gives 18 cells in series, which puts 2.26 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 54 cells in series for the .PAN file and Similar Modules, found from the model name (108 half cells).

Actions

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

Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 54 (inferred, CEC lists 18)

Module area 2.16 m²

NOCT 44.9 °C

Temp. coefficient of Pmax -0.295 %/°C

Temp. coefficient of Voc -0.244 %/°C

Temp. coefficient of Isc 0.042 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

Similar Modules

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