Lithuanian interconnection projects Donatas Matelionis LITGRID AB 2010-10-01 Lithuanian–Swedish interconnection project NordBalt Information about project HVDC submarine and land cables Length – approx. 450 km (400 km subsea, 10 km land Lithuania, 40 km land Sweden) Capacity – 700 MW Voltage ± 300 kV Converter stations in Sweden and Lithuania (VSC technology) Link in operation – end of 2015 Preliminary cost – EUR 552 million 2 Project progress Progress • Preparation of territorial planning documents for interconnection on land • Lithuanian and Swedish TSOs signed an agreement on implementation of investment • EC granted financial EU assistance to the project EUR 131 million from EEPR program • Baltic seabed survey works completed • Selected VSC (Voltage Source Converter) technology for interconnection • Preparation of the technical specifications for cable and converter stations • Tender for supply of cable and converter stations ongoing – bids from the supplier’s received Future work • • • • • • • Analysis of proposals submitted and negotiation on the contracts Preparation of territorial planning documents on land in Lithuania and Sweden Land ownership issues Preparation of technical project for interconnection Permits and licensing issues Construction of the interconnection Commissioning of the interconnection 3 LITPOL Link Key figures: • Type: Back-to-back (in Alytus) • Length: 154 km (Alytus – Elk) • Voltage level: 330 kV LT 400 kV PL • Capacity: 2x500 MW Description: Interconnection of Lithuanian and Polish transmission grids, by building new back-to-back converter station and strengthening internal high voltage transmission grids in Poland and Lithuania. Milestones: Commissioning 2015 (500 MW) and 2020 (1000 MW) Total investment costs: €237 million LITPOL Link – current status • Investigation of Environmental Impact Assessment in Lithuania and Poland ongoing Lithuania – due October 2010 Poland – due August 2011. • Technical study for reconstructions in 330 kV Alytus substation, construction of BtB and 400 kV line in Lithuania under preparation (The study includes the choice of HVDC technology and preparation of technical specifications) due December 2010. Thank you!