能源憲章條約於1998年生效，目前有54個簽署方，大部分位於歐洲與中亞地區。其目的為保障外國投資人免受地主國不當之管制或政治干預，包括訴諸投資人與地主國爭端解決機制之途徑。2018年啟動該條約之現代化談判，歷經約五年談判後，2022年6月24日能源憲章大會通過原則性協議，完成ECT之修正內容。雖然談判結果未將化石燃料投資排除於保障範圍之外，不過該條約現代化所帶來之實質性改變仍有所進展。儘管如此，部分歐盟會員國宣布退出能源憲章條約，歐盟執委會亦隨之展開協調歐盟及其會員國退出該條約。根據該條..

The Energy Charter Treaty (ECT) came into force in 1998 and is currently signed by 54 countries, mostly in Europe and Central Asia. Its purpose is to protect foreign investments from regulatory or political interferences of host State, including through investor-State dispute settlement mechanism (ISDS). A negotiation to modernize the agreement was launched in 2018. On 24 June 2022, after five years of negotiations, the Energy Charter Conference Member States reached an Agreement in Principle regarding revisions to the ECT. Despite a crushin..