Solaria Corporation Solaria PowerXT-400R-PM-AC

Mono-c-Si

399 W Pmax

51.1 V Voc

9.82 A Isc

42.4 V Vmp

9.41 A Imp

20.15 % eff.

0.7951 FF

72 cells

Same test data as Solaria PowerXT-400R-PM. CEC lists each frame, color and backsheet version as its own listing.

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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	398.984	W
PTC Power	PTC	364.1	W
Open-circuit voltage	V_oc_ref	51.1	V
Short-circuit current	I_sc_ref	9.82	A
Max-power voltage	V_mp_ref	42.4	V
Max-power current	I_mp_ref	9.41	A
Fill factor	FF	0.7951	—
Efficiency (STC)	η	20.15	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005126	A/°C
Voc temperature coefficient	beta_oc	-0.167046	V/°C
Pmax temperature coefficient	gamma_r	-0.4295	%/°C
NOCT	T_NOCT	46.7	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	2.10383	V
Light-generated current (ref)	I_L_ref	9.82	A
Saturation current (ref)	I_o_ref	2.78e-10	A
Series resistance	R_s	0.21445	Ω
Shunt resistance (ref)	R_sh_ref	999998.664	Ω
Cells in series	N_s	38	—
CEC Adjust factor	Adjust	8.5048	%

The CEC list gives 38 cells in series, which puts 1.35 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 72 cells in series for the .PAN file and Similar Modules, found from Voc per cell and the CEC fit's ideality factor.

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72 (inferred, CEC lists 38)

Module area 1.98 m²

NOCT 46.7 °C

Temp. coefficient of Pmax -0.430 %/°C

Temp. coefficient of Voc -0.327 %/°C

Temp. coefficient of Isc 0.052 %/°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.

Solaria PowerXT-400R-PM Main listing
Solaria PowerXT-400R-PM-AC This page

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