TenneT and National Grid enter offshore grid interconnection deal

TenneT and National Grid formalized a partnership on April 10, 2026, to develop cross-border offshore grid interconnections in European waters. The collaboration aims to enhance grid stability and renewable energy integration across interconnected markets, though specific project locations and capacities were not detailed. The agreement builds on existing interconnection projects between the Netherlands and the UK, expanding cooperation to additional European countries. Regulatory frameworks and financing structures for the initiative were not disclosed. The partnership is expected to accelerate offshore wind deployment by optimizing transmission infrastructure.

Counterparts (2)

Partner

National Grid

company

UK-based electricity transmission operator managing high-voltage networks across England and Wales, with expanding operations in the US states of New York and Massachusetts. Focuses on grid modernization, offshore wind integration, and HVDC interconnections.

T

TenneT

company

Dutch national transmission system operator managing high-voltage electricity grids in the Netherlands and Germany. Operates over 25,000 MW of transmission capacity across Western Europe, with major investments in offshore wind integration and cross-border interconnectors.