1991 European Energy Charter

• signed on 7 December 2007

 1994 Energy Charter Treaty

• ratified on 12 August 2018
• deposited on 12 September 2018
• entered into force on 11 December 2018

1994 Protocol on Energy Efficiency and Related Environmental Aspects

• ratified on 12 August 2018
• deposited on 12 September 2018
• entered into force on 11 December 2018

1998 Amendment to the Trade related provisions of the Energy Charter Treaty

• Acceded directly to the amended ECT:
• ratified on 12 August 2018
• deposited on 12 September 2018
• entered into force on 11 December 2018

 2015 International Energy Charter

• signed on 20 May 2015