1. E. Commission, Communication from the Commission to the European Parliament, the European Council, the Council, the European economic and social committee and the committee of the regions. The European Green Deal, (2019). eur-lex.europa.eu/legal-content/EN/TXT/?qid=1576150542719&uri=COM%3A2019%3A640%3AFIN. [accessed 22.06.2021].
2. I.R.E.A. (IRENA), Power System Flexibility for the Energy Transition, Part 1: Overview for policy maker, (2018). www.irena.org/publications/2018/Nov/Power-system-flexibility-for-the-energy-transition. [accessed 22.06.2021].
3. Flexibility in future power systems with high renewable penetration: A review;Alizadeh;Renew Sustain Energy Rev,2016
4. The Smart Grid;Gellings,2009
5. Assessing the Demand Side Management Potential and the Energy Flexibility of Heat Pumps in Buildings;Arteconi;Energies.,2018