1. Europe 2020 – a strategy for smart, sustainable and inclusive growth;European Commission,2010
2. Energy Roadmap 2050. COM (2011) 885/2};European Commission,2011
3. A Roadmap for moving to a competitive low carbon economy in 2050. Impact assessment. SEC (2011) 288 final;European Commission,2011
4. Developing 2050 decarbonization strategies in the EU: insights on good practice from national experiences;Sartor,2017
5. Overview of current development in electrical energy storage technologies and the application potential in power system operation;Luo;Appl Energy,2015