Recalls that investment in renewable energy sources represents more than half of all investments in new generation capacity over the last ten years and will continue to grow; emphasises that according a large share of the energy mix to RES entails major challenges for existing network infrastructure, and that investment is necessary to overcome these challenges; notes that, in certain Member States in which the increased feed-in from RES was not accompanied by the development of energy infrastructure, supply security is challenged by such increased feed-in; emphasises that according to ENTSO-E a significant proportion of all the bottl ...[+++]enecks in European energy grids relate to feed-in from RES; emphasises the importance of implementing new approaches to overcome bottlenecks in the distribution grids, which do not always entail grid extension and reinforcement; is confident that the benefits of upgrading the European grid, which is equally due to the single electricity market, can offset its costs by offering a much more efficient operation of the EU’s power system; calls on the Transmission System Operators to update their grid development policies in order to cope with the integration of RES generation capacities while maintaining security of supply, and to enhance cooperation with distribution system operators;

Appropriate cooperation shall be ensured between, on the one hand, the Network Manager and its expert level detailed working arrangements supporting the development of the European Route Network Improvement Plan and, on the other hand, the relevant ICAO expert level working arrangements covering route network improvements at the interface.

‘European Route Network Improvement Plan’ means the plan developed by the Network Manager in coordination with the operational stakeholders that includes the result of its operational activities with respect to route network design on short and medium terms in accordance with the guiding principles of the Network Strategy Plan;

The European Route Network Improvement Plan shall form the ERND-specific part of the Network Operations Plan and present detailed rules implementing the ERND-part of the Network Strategy Plan.

For the European route network design (ERND)-specific part of the Network Operations Plan, it includes the European Route Network Improvement Plan;

(3) At its meeting of 28 and 29 November 2002 the Council adopted conclusions on the improvement of the Immigration Liaison Officers Network, taking note of the report of the Presidency, showing that a network of liaison officers is in place in most of the countries surveyed in the report, but noting also that there was a need to further strengthen this network.