Borssele Alpha

Offshore GridOperationalNL700 MW220 kV60 km

Basic Information

Also known as:Borssele Alpha offshore grid connection, Net op zee Borssele Alpha, Offshore netaansluiting Borssele Alpha

Status:Operational

Capacity:700 MW

Transmission Model:TSO Build & Own

Owners:

TenneT TSO B.V.(100%)

Project Company:

TenneT TSO B.V.

Type:offshore grid

Website:www.tennet.eu

Description:

Borssele Alpha is the TenneT-owned offshore alternating-current (HVAC) grid connection that collects and transmits electricity from the Borssele I & II offshore wind farms to the Dutch onshore high-voltage grid. The system comprises an unmanned offshore high-voltage substation (Borssele Alpha OHVS / offshore transformer platform) that steps up wind-farm output...

Supply Chain (0)

Project Timeline (0)

No lifecycle events recorded yet.

System Topology

ExportInter Platform

React Flow

Route

	Dutch North Sea	Zeeland
Landfall	N/A	Borssele, Zeeland, Netherlands
Grid Connection	—	Borssele 380 kV onshore substation

Dutch North Sea

Landfall:N/A

Grid:—

Zeeland

Landfall:Borssele, Zeeland, Netherlands

Grid:Borssele 380 kV onshore substation

Cable Specifications

Borssele Alpha — onshore export cable system to Borssele

Borssele, Zeeland, Netherlands

2 × 220 kV HVAC · 700 MVA · 60 km

System:2 × 220 kV HVAC

Power rating:700 MVA

Route length:60 km(60 subsea)

Burial depth:

Design/nominal burial during planning called for relatively shallow burial along much of the subsea route (Power-Technology reports ~1 m target in the North Sea and ~3 m through the Western...

Borssele Alpha–Beta interconnector cable

1 × 66 kV HVAC

System:1 × 66 kV HVAC

Burial depth:

No source provides a specific stated burial depth for the short inter‑platform (offshore‑to‑offshore) interconnector cable itself. Project documentation for the Borssele Alpha works describes the cable installation approach and variable...

Collector Stations

Borssele Alpha Offshore High-Voltage Substation

Borssele Alpha (off Walcheren, Dutch North Sea), Netherlands

700 MW 220 kV · offshore

Rating:700 MW · 220 kV

Location:offshore

Borssele onshore 380 kV substation

Borssele, Zeeland, Netherlands (onshore 380 kV substation), Netherlands

700 MW 380 kV · onshore

Rating:700 MW · 380 kV

Location:onshore