Trina Solar TSM-550NEG19RC20

Mono-c-Si Bifacial

551 W Pmax

45.4 V Voc

15.53 A Isc

37.6 V Vmp

14.65 A Imp

20.55 % eff.

0.7813 FF

66 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	550.84	W
PTC Power	PTC	515.6	W
Open-circuit voltage	V_oc_ref	45.4	V
Short-circuit current	I_sc_ref	15.53	A
Max-power voltage	V_mp_ref	37.6	V
Max-power current	I_mp_ref	14.65	A
Fill factor	FF	0.7813	—
Efficiency (STC)	η	20.55	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006709	A/°C
Voc temperature coefficient	beta_oc	-0.113318	V/°C
Pmax temperature coefficient	gamma_r	-0.3158	%/°C
NOCT	T_NOCT	45.7	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.6113	V
Light-generated current (ref)	I_L_ref	15.54652	A
Saturation current (ref)	I_o_ref	8.87e-12	A
Series resistance	R_s	0.18815	Ω
Shunt resistance (ref)	R_sh_ref	176.88	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	3.9852	%

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 66

Module area 2.68 m²

NOCT 45.7 °C

Temp. coefficient of Pmax -0.316 %/°C

Temp. coefficient of Voc -0.250 %/°C

Temp. coefficient of Isc 0.043 %/°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 %.