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
- On 31 December 2014 Italy notified the Depository of its withdrawal from the Energy Charter Treaty (ECT). Under Article 47, paragraph 2 of the ECT, any such withdrawal shall take effect upon the expiry of one year after the date of the receipt of the notification by the Depositary. Therefore, the withdrawal from the ECT by the Italian Republic took effect on the 1st 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
- According to Article 21 of the Protocol, any Contracting Party which withdraws from the Energy Charter Treaty shall be considered as also having withdrawn from the Protocol. The effective date of withdrawal shall be the same as the effective date of withdrawal from the Energy Charter Treaty. Therefore, the withdrawal from the Protocol by the Italian Republic took effect on the 1st 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
2016 Withdrawal from the Energy Charter
- withdrawal from the Energy Charter Treaty and Protocol on Energy Efficiency and Related Environmental Aspects