enlopy is an open source python library with methods to generate, process, analyze, and plot energy related timeseries.
While it can be used for any kind of data it has a strong focus on those that are related with energy i.
The Dispa-SET model is an open-source unit commitment and optimal dispatch model developed at the JRC. It focuses on the balancing and flexibility problems in the European power system.
It is written in GAMS with advanced input/output data handling and visualization routines in Python.