1. Transmission system operators shall cooperate at Union level through the ENTSO for Electricity, in order to promote the completion and functioning of the internal market for electricity and cross-zonal trade and to ensure the optimal management, coordinated operation and sound technical evolution of the European electricity transmission network.
2. In performing its functions under Union law, the ENTSO for Electricity shall act with a view to establishing a well-functioning and integrated internal market for electricity and shall contribute to the efficient and sustainable achievement of the objectives set out in the policy framework for climate and energy covering the period from 2020 to 2030, in particular by contributing to the efficient integration of electricity generated from renewable energy sources and to increases in energy efficiency while maintaining system security. The ENTSO for Electricity shall be equipped with adequate human and financial resources to carry out its duties.