Scientific Council is one of the main bodies in the structure of the Institute. The Council is a collegial management body which affirms the Insitute’s vision and mission, and the strategy presented by the Director. It is also concerned with discussions and approval of the restructuring plans proposed by the Director. The Council is elected for a five-year term and consists of fifteen members.
On 5 July 2024, the Institute’s researchers elected a new LEI Scientific Council, which will come into power and start its work after its first scheduled meeting. The term of office of the current MT ends on 28 August 2024.Members of the Scientific Council:
| Vytautas Akstinas | Laboratory of Hydrology Senior Research Associate |
| Nemunas Biknius | Amber Grid Chief Executive Officer |
| Vytautas Budreika | Ministry of Energy of the Republic of Lithuania Advisor (Strategic Development Group) |
| Tomas Daukantas | Ministry of Energy of the Republic of Lithuania Head of Legal and HR Group |
| Algis Džiugys | Laboratory of Heat-Equipment Research and Testing Chief Research Associate |
| Arvydas Galinis | Head of Laboratory of Energy Systems Research |
| Dovilė Gimžauskaitė | Plasma Processing Laboratory Senior Research Associate |
| Vidas Lekavičius | Laboratory of Energy Systems Research Chief Research Associate |
| Marius Praspaliauskas | Laboratory of Heat-Equipment Research and Testing Senior Research Associate |
| Nerijus Striūgas | Head of Combustion Processes Laboratory |
| Raminta Skvorčinskienė | Combustion Processes Laboratory Senior Research Associate |
| Laima Taparauskienė | Ministry of Education, Science and Sport Head of Department of Higher Education, Science and technology |
| Vita Tilvikienė | Lithuanian Research Centre for Agriculture and Forestry Deputy Director for Research |
| Egidijus Urbonavičius | Laboratory of Nuclear Installation Safety Chief Research Associate |
| Inga Žilienė | Ministry of Energy of the Republic of Lithuania Vice-minister |