The internal electricity market I.

Mandatory literature:

IEA: European Union 2020 - Energy Policy Review, 127-172  

You may find useful: 

Buchan, D.; Keay, M. (2015): Europe´s Long Energy Journey: Towards an Energy Union? 32-62  

EP (2016): Understanding electricity markets in the EU. http://www.easyres-project.eu/wp-content/uploads/2019/02/understanding-elecricity-markets-in-the-eu.pdf