
Design tools
Do you need help with the design of your photovoltaic system?
Let the helpful free design tools of our portfolio manufacturers help you.
Choose between "inverter design" or "create substructure" and plan your PV system and choose the perfect components within no time.
If you need help, feel free to contact your personal sales representative, or contact the manufacturer directly.
Design tools for inverter selection
Select one of the listed design tools for inverter selection and start planning immediately!
KOSTAL Solar Plan
Find the KOSTAL solar inverter perfectly tailored to your solar system within the shortest possible time.
KACO String Sizing Tool
click here to go to the program (online usable)
Use the KACO String Sizing Tool to calculate the appropriate string configuration for your system that you are planning with a KACO new energy inverter.
System Estimator
Find out a preliminary value for the size of your pv system and battery with the system estimator
String Sizing Tool
click here to go to the program (online usable)
Choose the perfect string length for your PV module and center the appropriate FIMER inverter with the String Sizing Tool.
PVSize
click here to go to the program (download necessary)
Calculate the power and determine the sizing of your photovoltaic system, which is to receive a FIMER central inverter with PV Size 2.
With the inverter tool with integrated cable calculation, you can get the right inverter for your wiring in just a few clicks.
- for PV systems < 3.68 kW the factor is 1.00
- for PV systems > 3,68 kW and < 13,8 kW the factor is 0,95
- for PV systems > 13.8 kW the factor is 0.90
SolarLog Configurator
click here to go to the program (xlsx) (download necessary)
The SolarLog Configurator helps you to choose the right SolarLog with matching accessories and license.
SUNNY DESIGN
click here to got to the program (online usable)
With the help of SUNNY DESIGN PRO you can design your system with any components.
iSolarDesign
click here to go to the program (online usable)
Plan designs in a flash with iSolarDesign and use it easily.
SOLIVIA PV Planner
click here to go to the program (download necessary)
With the help of the SOLIVIA PV PLANNER software, the PV system you are aiming for can be quickly planned with all its components.
SOLAR.CONFIGURATOR.4.0
click here to go to the program (usable online)
The dimensioning of your PV system can be easily approached with the SOLAR CONFIGURATOR.4.0.
SolarEdge Designer
click here to go to the program (online usable)
With the software "SolarEdge Designer" you can plan and realize your installation with all components.
LG ESS Electronics Energy Storage System
click here to go to the program (online usable)
Easily find out the best configuration for your PV system with this tool.
SmartDesign
click here to go to the program (online usable)
Use SmartDesign to find the right components and get a simulation of your energy yield.
Receive a recommendation for a KOSTAL inverter tailored to the solar system you're planning. The power consumption is also considered and, using standard load profiles, the potential for self-consumption and self-sufficiency is indicated.

SOFAR String Sizer
click here to go to the program
(Excel-File, download necessary)
With the Excel-file "SOFAR String Sizer" you can plan and realize your installation.
Design tools for the substructure
Select one of the listed design tools for the substructure and start planning immediately!
K2 BASE
click here to go to the program (online usable)
PV-Configurator 3.0
click here to go to the program (online usable)
With the help of K2 BASE you can comfortably design and optimize the mounting systems of your PV plant.
Use the PV Configurator 3.0 to quickly and easily design the substructure of your PV system.
With Clearline Fusion Configurator, you can quickly and easily plan Viridian's in-roof system down to the last screw.
Clearline Fusion Configurator
click here to go to the program (online usable)