Thornova Solar TS-BG54(420)

Mono-c-Si Bifacial

420 W Pmax

38.0 V Voc

13.8 A Isc

32.11 V Vmp

13.09 A Imp

21.67 % eff.

0.8015 FF

54 cells

Same test data as TS-BB54(420). 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	420.32	W
PTC Power	PTC	396.9	W
Open-circuit voltage	V_oc_ref	38.0	V
Short-circuit current	I_sc_ref	13.8	A
Max-power voltage	V_mp_ref	32.11	V
Max-power current	I_mp_ref	13.09	A
Fill factor	FF	0.8015	—
Efficiency (STC)	η	21.67	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00592	A/°C
Voc temperature coefficient	beta_oc	-0.093024	V/°C
Pmax temperature coefficient	gamma_r	-0.3195	%/°C
NOCT	T_NOCT	43.4	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.33836	V
Light-generated current (ref)	I_L_ref	13.8076	A
Saturation current (ref)	I_o_ref	6.37e-12	A
Series resistance	R_s	0.12515	Ω
Shunt resistance (ref)	R_sh_ref	227.296	Ω
Cells in series	N_s	54	—
CEC Adjust factor	Adjust	4.1924	%

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 54

Module area 1.94 m²

NOCT 43.4 °C

Temp. coefficient of Pmax -0.320 %/°C

Temp. coefficient of Voc -0.245 %/°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.

Same Test Data

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

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