Summary

State aid - Electricity supply tariff - Conclusion of an arbitration agreement in order to fix the tariff - Decision to close the complaint - Decision finding no aid - Right to be heard - Advantage - Private investor test - Complex economic assessment.

In Joined Cases T-639/14 RENV II, T-352/15 RENV and T-740/17 RENV,
Dimosia Epicheirisi Ilektrismou AE (DEI), established in Athens (Greece), represented by
E. Bourtzalas, E. Salaka, C. Synodinos and H. Tagaras, lawyers,
applicant,
v
European Commission, represented by A. Bouchagiar and P.-J. Loewenthal, acting as Agents,
defendant,
supported by
Federal Republic of Germany, represented by J. Möller, acting as Agent,
and by
Metlen Energy & Metals AE, formerly Mytilinaios AE - Omilos Epicheiriseon, formerly
Alouminion tis Ellados VEAE, established in Marousi (Greece), represented by V. Christianos,
G. Karydis and G. Kelepouri, lawyers.
interveners.