Solar Panel Sizing 4.3

Part 1: Select Inverter and Solar Panels

Assume all panels are the same.

Inverter:
Choose a panel:

Please feel free to change/enter your own panel specs.
Sol-Ark is not affiliated with any of the above solar panel manufacturers.
This tool assumes all panels face the same direction.
Feel free to contact support@sol-ark.com or 972-575-8875 #2 if you have any questions.

This tool should only be used for reference.

Current Version: 4.3

Show Peak Sun Hours Calculator

Part 2: Solar Panel Specs

Spec	Value
Watts (W)
Voc (V)
Vmp (V)
Isc (A)
Imp (A)
Voc Temp Coefficient (%/C)
Pmax Temp Coefficient (%/C)
Isc Temp Coefficient (%/C)
Max Ambient Temp in C
Min Ambient Temp in C

Bifacial Pmax Gain Percentage

0% 5% 10% 15% 20% 25% 30%

* Please verify the specs with an offical data sheet when there is a bifacial gain. Enter spec values, except for Voc, as if there was zero bifacial gain, and select the correct percentage.

Part 3: Solar Panel Layout

Detail Spec	Value
Max Ambient Temp in C	45
Min Ambient Temp in C	0
Number of modules in series MPPT 1	1
Number of modules in series MPPT 2	1
Number of modules in series MPPT 3	1
Number of modules in series MPPT 4	1
Number of strings MPPT 1	1
Number of strings MPPT 2	1
Number of strings MPPT 3	1
Number of strings MPPT 4	1
One way wire length MPPT 1
One way wire length MPPT 2
One way wire length MPPT 3
One way wire length MPPT 4
Wire gauge (AWG) MPPT1
Wire gauge (AWG) MPPT2
Wire gauge (AWG) MPPT3
Wire gauge (AWG) MPPT4
Conductors per MPPT1 (Pairs)
Conductors per MPPT2 (Pairs)
Conductors per MPPT3 (Pairs)
Conductors per MPPT4 (Pairs)

One way wire length must be in feet.

Meters to Feet

Meters

3.281

Feet

Results

K	Temp(°C)	MPPT1	MPPT2	MPPT3	MPPT4
Does this string work?	25	YES	YES	YES	YES
Voc (V)	25	0	0	0	0
Vmp (V)	25	0	0	0	0
Isc (A)	25	0	0	0	0
Imp (A)	25	0	0	0	0
Watts (W)	25	0	0	0	0
Voc Min (V)	45	0	0	0	0
Voc Max (V)	0	0	0	0	0
Isc Min (A)	45	0	0	0	0
Isc Max (A)	0	0	0	0	0
Max Allowed DC Coupled	25
Max AC Coupled	25
Max AC + DC Coupled	25
Max AC Load Batt. Only	25
Max AC Load PV + Batt.	25
Max AC Load AC + Batt.	25
Max DC Power (W)	25	0
Pmax max(W)	0	0	0	0	0
Pmax min(W)	45	0	0	0	0
V loss (%)		0	0	0	0