This Project is R and Python codes on Jupyter Notebooks for; Extracting weather forecasts from NetCDF files of Climate Data Store - Copernicus https://cds.climate.copernicus.eu/ It is freely available and functions as a one-stop shop to explore climate data. Just you need to Register to get access climate reanalysis (ERA5).
Then these weather data can be used for various applications, such as modeling and analysis of wind or solar power for a certain location.