EPSO-G is a state-owned energy group. EPSO-G Group of companies consists of the holding company EPSO-G and its six direct subsidiaries Amber Grid (96,6 % of the shares), Baltpool (67 % of the shares), Energy cells (100 % of the shares), EPSO-G Invest (51 % of the shares), Litgrid (97,5 % of the shares) and Tetas (100 % of the shares). EPSO-G and its Group companies also hold shares in GET Baltic, Rheinmetall Defence Lietuva, Baltic RCC OÜ and TSO Holding AS.
The shareholder rights and obligations of EPSO-G holding are implemented by the Ministry of Energy of the Republic of Lithuania.