Using PowSyBl:

• Import CGMES 2.4.15 test configuration files using PowSyBl's CGMES importer
• Runs PowSyBl's OpenLoadFlow
• Export grid models in PowSyBl's XIIDM format
• Produce Diagrams (Area and single line)

Download ENTSO-E CGMES CAS v2.0 TestConfigurations_packageCASv2.0.zip from here.
And extract this zip as a folder at the root of this repository.

TestConfigurations_packageCASv2.0/
├── MicroGrid
├── RealGrid
└── ...

Then run

mvn clean test

Results are produced in output folder:

output/
├── microGridBC
├── microGridT1
├── microGridT2
├── microGridT4
└── realGrid