- BALTPOOL is a joint stock company. BALTPOOL was established on 10 December 2009. Litgrid, the Lithuanian transmission system operator, was the incorporator and the sole shareholder of the company.
- On 18 May 2011, AB Klaipėdos Nafta purchased 33% of BALTPOOL shares from Litgrid.
- On 1 March 2016 Litgrid sold all 67% of BALTPOOL shares to EPSO-G.