Yingli Energy (China) YL225P-29b

Multi-c-Si

225 W Pmax

36.5 V Voc

8.28 A Isc

29.5 V Vmp

7.63 A Imp

13.78 % eff.

0.7448 FF

60 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	225.085	W
PTC Power	PTC	202.0	W
Open-circuit voltage	V_oc_ref	36.5	V
Short-circuit current	I_sc_ref	8.28	A
Max-power voltage	V_mp_ref	29.5	V
Max-power current	I_mp_ref	7.63	A
Fill factor	FF	0.7448	—
Efficiency (STC)	η	13.78	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004703	A/°C
Voc temperature coefficient	beta_oc	-0.127385	V/°C
Pmax temperature coefficient	gamma_r	-0.469	%/°C
NOCT	T_NOCT	45.3	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.57807	V
Light-generated current (ref)	I_L_ref	8.29926	A
Saturation current (ref)	I_o_ref	7.24e-10	A
Series resistance	R_s	0.31323	Ω
Shunt resistance (ref)	R_sh_ref	134.647	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	11.3292	%

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 Pmp-0.2672	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

Actions

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.634 m²

Dimensions 1.65 × 0.99 m

NOCT 45.3 °C

Temp. coefficient of Pmax -0.469 %/°C

Temp. coefficient of Voc -0.349 %/°C

Temp. coefficient of Isc 0.057 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Measured Data

No measured data yet for this module.

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