Tønsberg

Overview

The municipality is undergoing substantial grid modernization with Statnett's planned 420 kV Tønsberg transformer station replacing the aging Tveiten facility, positioning it as a key regional energy hub. Strong solar development activity is evident with 240+ MW in the grid queue and multiple active concessions, while datacenter demand adds 225 MW of consumption load, demonstrating robust energy sector investment.

Recent Activity

High activity in March 2026 with multiple queue updates including datacenter projects from Green Mountain and Bonum, company name changes, and Differ Energy expanding some solar projects while withdrawing others, indicating dynamic project development and optimization.

Key Substations

Outlook

Excellent prospects driven by major grid infrastructure upgrades creating substantial new capacity, strong solar development pipeline with over 240 MW queued, and significant datacenter interest indicating robust energy demand growth in the region.