Interconnecting the and UK power grids BritNed HVDC submarine cable link

- An important step towards a common Scope of supply European energy market −− Project management −− HVDC cable system design - Enables the UK and Netherlands elec- −− Type testing tricity markets to operate more efficiently −− Mass impregnated cables, accessories −− Civil works - Power can be transferred in either −− Onshore and offshore laying and installation direction to meet peak period demand −− Testing and commissioning

Cable data Voltage 450 kV DC Power 1,000 MW Length 494 km submarine MI cable (Cu) 18 km underground MI cable (Cu) Customer BritNed Development Ltd National Grid (U.K.) and TenneT (the Netherlands) Completion 2010 voltage cable. 580 kilometers,NorNedistheworld’s longestsubmarinehigh erlands andNorway, whichwascommissionedin2007.At cable systemsfortheNorNedHVDClinkbetweenNeth- customers. ForTenneT, ABBsuppliedconverterstationsand ABB haspreviously executed cableprojects onbehalfofboth complex HVDCprojects worldwide. and outstandingtrackrecord indesigninganddelivering ABB wasselectedbyTenneT andNationalGridforitslong Why ABB? transmission systemoperators,TenneT andNationalGrid. BritNed isa50-50jointventure betweentheDutchandUK rapidly tochangingmarketconditions. electricity marketstooperatemore efficiently andrespond in northwestEurope and enablestheUKandNetherlands BritNed isanimportantsteptowards asingleenergymarket ity through acombination ofimplicitandexplicitauctions. access and enablescustomerstobuycapac- the rest ofEurope. Thelinkoperatesasacommercial, open- Europenorthern andfurtherintegratestheUKpowergridwith The BritNedcableconnectstheUKwithcontinentaland creating atrans-European energynetwork. supply bystrengthening powertransmissioncapacityand European Union’s TEN-Epriorityprojects forsecuringenergy undertaken inEurope. Completedin2010,itisoneofthe BritNed isoneofthelargestpowertransmissionprojects ever Ireland UK France Netherlands Norway Germany Sweden Poland − − − Customer benefits and specieshabitats. the yeartoprotect theflora andfaunaofcoastalbreeding grounds minimal. Onshore cablework wasrestricted tospecifictimesof sediment dynamicsandseabedtopographyoftheNorthSeawas customers’ selectionofcablesupplier. Impactonthecomplex environmentally sensitiveareas wasanimportantfactorinthe ABB’s award-winning expertiseinexecutingcableprojects in imbalances andpricedifferentials. efficient response tomarketconditionslikesupply/demand is aonehourtimedifference betweenbothcountries) andenable transferred ineitherdirection tomeetpeakperioddemand (there in EnglandandMaasvlaktetheNetherlands.Powercanbe of 256kmbetweenAC-DCconverterstationsontheIsleGrain The cablesdeliver1,000MWofelectricpoweralongadistance below thebottomofNorthSea. voltage massimpregnated cablesbundledtogetherandburied BritNed isabipoleHVDCinterconnector consistingoftwohigh Cable route andinstallation civil works,trenching, installation,testingandcommissioning. cable accessories,submarineandunderground cablelaying, system design,450kVDCsubmarineandunderground cables, ABB suppliedacompleteHVDCcablesolutionincluding Scope ofsupply projects. has sincedelivered more than50percent oftheworld’s HVDC ABB pioneered commercial HVDCtechnologyin1954 and www.abb.com/cables E-Mail: [email protected] Fax: Phone: Sweden ABB’s highvoltagecableunitin For more informationpleasecontact: − − − submarine andunderground cables technology leaderinbothHVDCsolutionsandhighvoltage Supplier expertiseandreliability –ABBisamarketand by ABB All cablecomponentsandaccessoriesmanufactured Complete turnkey solutionfromComplete turnkey onesupplier +46 45555655 +46 45555600

2011-12, 2GM5068 GB