Do you have some raw algorithm for a start?

In order to understand MGCC, I suggest you to carefully follow :

https://au.mathworks.com/videos/microgrid-system-development-and-analysis-part-1-introduction-to-microgrids-1522844707451.html

https://au.mathworks.com/videos/microgrid-system-development-and-analysis-part-2-from-desktop-to-real-time-testing-with-ems-hardware-1522847245782.html

https://au.mathworks.com/videos/microgrid-system-development-and-analysis-part-3-using-simscape-power-systems-to-simulate-microgrids-1522853406434.html

+ more.....

Micro Grid control center's functionality differs from case to another case. You should first know what functionalities you need your MGCC to have and then we can start to implement it depending on the algorithms reflecting these functionalities.