AB „Energijos skirstymo operatorius” (ESO) was established on 1 January 2016 by merging LESTO and a joint-stock company Lietuvos Dujos. ESO is controlled by a state-owned group of energy companies, Ignitis Group, one of the largest energy companies in the Baltic states.

ESO is mainly involved in: electricity and natural gas distribution, electricity and natural gas supply of last resort, connecting customers to electricity and gas networks, maintaining and developing the electricity and natural gas distribution networks, ensuring the security and reliability of energy distribution activities. ESO serves 1.6 million customers throughout Lithuania and services an area covering 65,300 km².

ESO’s 2030 strategy:

Creating value for customers by providing reliable, advanced and standardised infrastructure services. 
Ensuring a reliable and smart grid that delivers an exceptional customer experience. 
Cooperation while providing high quality services based on the most advanced technologies and promoting energy efficiency. 
Reliable and intelligent network – exclusive customer experience.

By improving the speed of services and the conditions for connecting to the grid, ESO has contributed to Lithuania's competitiveness in the development rating – Doing Business 2019: Getting Electricity – 26th place (2018 – 33rd, 2017 – 55th)