
1991 European Energy Charter
- signed on 17 December 1991
1994 Energy Charter Treaty
- signed on 27 February 1995
- ratified on 1 April 1998
- deposited on 8 April 1998
- entered into force on 7 July 1998
1994 Protocol on Energy Efficiency and Related Environmental Aspects
- signed on 27 February 1995
- ratified on 1 April 1998
- deposited on 8 April 1998
- entered into force on 7 July 1998
1998 Amendment to the Trade related provisions of the Energy Charter Treaty
- ratified on 13 July 2001
- deposited on 1 May 2004
- entered into force on 21 January 2010
2015 International Energy Charter
- signed on 20 May 2015