Member States may also envisage cooperation with signatories to the Energy Community and with third-country members of the European Economic Area.
Féadfaidh na Ballstáit comhar a bheartú freisin le sínithe an Chomhphobail Fuinnimh agus tríú tíortha ar baill den Limistéar Eorpach Eacnamaíoch iad.