1. European Commission. Gas and electricity market reports. Accessed on
June 1, 2022, at https://energy.ec.europa.eu/data-and-analysis/market-analysis_en (2022).
2. Appunn, K. Clean Energy Wire. Accessed on June 1, 2022, at https://www.cleanenergywire.org/factsheets/energy-crunch-what-causes-rise-energy-prices (2022).
3. Gas Infrastructure Europe. AGSI+. Accessed on June 1, 2022, at https://agsi.gie.eu/#/ (2022).
4. Pop, V.; Fleming, S.; Politi, J. Financial Times. Accessed on June 1, 2022, at https://www.ft.com/content/7f106e55-6646-4018-89f7-0159d11f3196 (2022).
5. EU/EC.
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, REPowerEU: Joint European Action
for more affordable, secure and sustainable energy. Accessed on June
1, 2022, at https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=COM%3A2022%3A108%3AFIN (2022).