Understanding the code_Microgrid-EMS-Optimization

[NN20J]

Hi,

I am working on microgrid optimization with solar and energy storage.I am also checking the Matlab example file Microgrid EMS optimization as a reference

https://www.mathworks.com/matlabcentral/fileexchange/73139-microgrid-energy-management-system-ems-using-optimization?s_tid=srchtitle

There are some queries which I didn't understand. I request you all to help me to understand the code and then only I will be able to do my model. These are a few queries which I like to ask.

In the Matlab example, they load a file PvLoadPrice.I understand the load details are for variable load given in the system.PV has clear and cloudy data. Can I know how do we use such data?in which format? From which website we download it for research purposes?Also, how do we separate such data against each parameter? How do I forecast those data, say for the price how do I compare price details before and after a load variation(i have load fluctuation event in my model ) ? should I do forecasting of the price? I want to minimize the price of grid net exchange.plz advice. Can I have any resources to understand the code written in this example file?
The energy storage charges and discharges as per the power availability in the grid. So how can I model the optimization problem? and what should be the constraints? I have already modeled a microgrid with charging and discharging energy storage mechanism as per the load availability. So how can I link the model with the optimization code?