1991 European Energy Charter
- signed on 17 December 1991
1994 Energy Charter Treaty
- signed on 17 December 1994
- ratified on 5 December 1997
- deposited on 16 December 1997
- entered into force on 16 April 1998
- notification of withdrawal on 31 December 2014 (effective on 1 January 2016)
1994 Protocol on Energy Efficiency and Related Environmental Aspects
- signed on 17 December 1994
- ratified on 5 December 1997
- deposited on 16 December 1997
- entered into force on 16 April 1998
- notification of withdrawal on 31 December 2014 (effective on 1 January 2016)
1998 Amendment to the Trade related provisions of the Energy Charter Treaty
- ratified on 13 July 2001
- deposited on 21 December 2001
- entered into force on 21 January 2010
2015 International Energy Charter
- signed on 20 May 2015