The Baltic 2 grid connection is the 150 kV HVAC export system that transmits power from EnBW’s 288 MW Baltic 2 offshore wind farm (80 × 3.6 MW) to the German onshore transmission network. Electricity from the farm is collected at the Baltic 2 offshore substation (an AC transformer platform)...
Contract award value (turnkey) to General Cable / Norddeutsche Seekabelwerke for design, supply and installation of ~120 km submarine 150 kV export cables and 3 single-core 12 km onshore cables...
1 Cost inflated in local currency then converted to euros (where applicable).
Cable Specifications
EnBW Baltic 1 → Bentwisch export cable
Barhöft, Mecklenburg-Vorpommern, Germany
2 × 150 kV HVAC · copper 129.5 mm dia. · XLPE (Cross-linked Polyethylene) · 288 MVA · 136 km
System:2 × 150 kV HVAC
Construction:copper · 129.5 mm dia.
Insulation:XLPE (Cross-linked Polyethylene)
Power rating:288 MVA
Route length:136 km(120 subsea · 16 land)
Burial depth:
Official EnBW and 50Hertz project pages do not specify a single nominal burial depth for the Baltic 2 150 kV export cable. Project and industry sources indicate the export cable...
Fibre optic:
The Baltic 2 export and park submarine cables include integrated optical fibres used for control, monitoring and data communications. EnBW states the park and export submarine cables (internal park cables...
EnBW Baltic 2 ↔ EnBW Baltic 1 inter‑platform link
2 × 150 kV HVAC · copper 129.5 mm dia. · XLPE (Cross-linked Polyethylene) · 288 MVA · 11 km
System:2 × 150 kV HVAC
Construction:copper · 129.5 mm dia.
Insulation:XLPE (Cross-linked Polyethylene)
Power rating:288 MVA
Route length:11 km(11 subsea)
Burial depth:
EnBW describes the park-internal/ inter‑platform cables for Baltic 2 as being trenched into the seabed (’Trenchen’ / internal park cabling). Industry/project documentation for Baltic 2 and comparable German offshore projects...
Fibre optic:
EnBW states the wind‑farm internal cables (including the short inter‑platform/inter‑array cables) include highly sensitive optical fibres integrated into the cable construction to carry information and data between turbines and the...
Internal park and inter‑platform cables at Baltic 2 are laid into trenches on the seabed and then back‑filled or trenched to achieve mechanical protection; EnBW describes the park cabling as...
Fibre optic:
The inter‑platform and internal park power cables deployed for Baltic 2 include integrated optical fibre(s) for operational control, protection signalling and data/telemetry between turbines, the offshore substation(s) and the onshore...
Collector Stations
EnBW Baltic 2 offshore substation (OSS)
EnBW Baltic 2 (Kriegers Flak area, ~32 km north of Rügen), Germany