Viking Link UK 1,400 MW Dec 2023 world's longest HVDC 765 km, COBRAcable NL 700 MW Sep 2019, Skagerrak 4 NO 700 MW, Hansa PowerBridge CANCELLED Jun 2024.
Cross-border HVDC workforce mobilisation against Viking Link DK-UK (Energinet + National Grid Ventures; operational 29 December 2023; 1,400 MW HVDC; 765 km — world's longest HVDC interconnector; Lincolnshire Bicker Fen ↔ Revsing converter southern Jutland; initially capacity-constrained to 800 MW pending DK grid build-out ~2025), COBRAcable DK-NL (Energinet + TenneT; operational September 2019; ±320 kV 700 MW HVDC; ~325 km Endrup Esbjerg ↔ Eemshaven NL via German EEZ; 79% capacity factor in first half-year), Skagerrak 1-4 DK-NO (Energinet + Statnett; aggregate 1,700 MW; SK4 700 MW @ 500 kV DC inaugurated 12 March 2015; ~240 km Tjele DK ↔ Kristiansand NO), and Storebælt Power Link (Energinet internal DK1-DK2; 600 MW HVDC operational since 2010 — intra-Denmark, not cross-border) — with Hansa PowerBridge SE-DE CANCELLED June 2024 by Svenska Kraftnät post Swedish government rejection — Energistyrelsen + Lov om Energinet + IEC 61936 + IEC 62501.
Request Technical BriefingRegulator exposure profile
- Energistyrelsen + Lov om Energinet28%
- 3F Industri overenskomst + Bygge- og anlæg24%
- IEC 61936 + IEC 6250126%
- RUT register + Lov 566/202222%
Energinet interconnector portfolio + counterparty TSO.
Danish HVDC interconnector portfolio against counterparty TSO — Viking Link (National Grid), COBRAcable (TenneT), Skagerrak (Statnett), Storebælt (intra-DK). IEC 61936 + IEC 62501 + Lov om Energinet grid-code authority.
| Viking Link | COBRAcable | Skagerrak 1-4 | Storebælt | Hansa PB | |
|---|---|---|---|---|---|
| Capacity (MW) | covered | covered | covered | covered | blocked |
| Operational status | covered | covered | covered | covered | blocked |
| Counterparty TSO | covered | covered | covered | covered | blocked |
| DK endpoint station | covered | covered | covered | covered | blocked |
- Operational
- Capacity-constrained
- Planned
- Cancelled / not built
IEC 61936 + IEC 62501 per converter station. Energinet + counterparty TSO joint operation.
Named projects in this jurisdiction
- Viking Link DK-UK (operators Energinet + National Grid Ventures; operational 29 December 2023; 1,400 MW HVDC; 765 km — world's longest HVDC interconnector; Lincolnshire Bicker Fen ↔ Revsing converter southern Jutland; initially capacity-constrained to 800 MW pending DK grid build-out ~2025) Energinet + National Grid Ventures 2023
- COBRAcable DK-NL (operators Energinet + TenneT; operational September 2019; ±320 kV 700 MW HVDC; ~325 km Endrup Esbjerg ↔ Eemshaven NL via German EEZ; 79% capacity factor in first half-year) Energinet + TenneT 2019
- Skagerrak 1-4 DK-NO (operators Energinet + Statnett; aggregate 1,700 MW; SK1+2 1976/77 500 MW; SK3 1994 500 MW; SK4 700 MW @ 500 kV DC inaugurated 12 March 2015; ~240 km Tjele DK ↔ Kristiansand NO) Energinet + Statnett 2015
- Storebælt Power Link (Energinet internal DK1-DK2 link; 600 MW HVDC operational since 2010 — intra-Denmark, not cross-border) Energinet 2010
- Hansa PowerBridge SE-DE (CANCELLED June 2024; Swedish government rejected Svenska Kraftnät concession application 13 June 2024; Svk terminated project — did not involve Denmark directly) Svenska Kraftnät + 50Hertz 2024
Denmark’s HVDC portfolio runs through Energinet: Viking Link (DK-UK 1,400 MW / 765 km world’s longest HVDC operational 29 Dec 2023), COBRAcable (DK-NL 700 MW Sep 2019), Skagerrak 1-4 (DK-NO 1,700 MW aggregate), and Storebælt internal DK1-DK2. Hansa PowerBridge SE-DE was cancelled June 2024 (does not involve Denmark directly). Energistyrelsen holds concession authority.
01. Pre-pricing — 3F Industri overenskomst
Engineering-industry workforce under 3F Industri overenskomst. Denmark-bank-traceable remuneration mandatory.
02. A1 + Danish-language contract + IEC 62501 competency
A1 + Danish-language contract predate site arrival. IEC 62501 VSC HVDC valves + IEC 61936 HV installations competence per converter-station worker.
03. Energinet + Energistyrelsen onboarding
Energinet operator-specific induction. Energistyrelsen concession reconciliation per cross-border interconnector. Lov om Energinet statutory operability per project.
04. Arbejdstilsynet + Energistyrelsen-defensible evidence pack
Minimum pack: Denmark-bank-traceable remuneration, Danish-language contract, A1 receipt, 3F Industri overenskomst tariff reconciliation, IEC 62501 competency record per converter-station worker.
05. India and Gulf sourcing corridors — the Denmark HVDC pathway
Indian HV+HVDC trade pools through BHEL HV switchgear + Larsen & Toubro Power Transmission. The 8 to 14-week corridor delivers IEC 62501-competent candidates against Viking Link future expansion, COBRAcable, Skagerrak, or Storebælt retrofits.