ZWIJNDRECHT: Transmission infrastructure remains the largest obstacle to the development of offshore wind in Belgium. National transmission systems operator (TSO) Elia strengthened its onshore network to accommodate the first three projects due for completion in Belgian waters - Thornton Bank, Belwind and Eldepasco..

But the remaining four zones, only one of which has not been allocated, cannot be linked to the onshore grid near the port of Zeebrugge without another major upgrade..

Elia