Vestby
Vestby is a major grid hub in the Oslo region with surging datacenter demand and significant transmission infrastructure investments anchored at Tegneby station.
Active Queue
Production
118 MWConsumption
946 MWCases
17Active Concessions
Production
300 MWConsumption
35 MWCases
14Overview
Vestby hosts Statnett's Langerud and Tegneby stations, which serve as critical nodes in the 420 kV Oslo-area transmission network, with multiple high-voltage line concessions already granted. The Tegneby TRA substation is attracting intense interest from datacenter operators — including Microsoft and WS Computing — alongside a growing cluster of solar producers and industrial consumers. Total queued consumption at Tegneby exceeds 940 MW, signaling strong developer confidence but also potential capacity constraints ahead.
Recent Activity
AS Rockwool entered the grid connection queue at Tegneby TRA in August 2026, seeking 3 MW for industrial consumption — the latest in a steady stream of new queue entrants at this substation. One earlier solar queue position (Solgrid Ørje AS, 1 MW) was withdrawn, though this appears isolated rather than indicative of a broader trend.
Key Substations
Municipality Stance
No explicit municipal stance is evident from available data, but the concentration of major Statnett infrastructure and a high volume of concessions and queue reservations suggests a permissive regulatory environment. The municipality appears to be an important enabler of regional energy infrastructure rather than an active restrictor.
Outlook
Vestby's outlook is strongly positive for grid-connected energy projects. The ongoing 420 kV transmission upgrades (Follo–Langerud, Hasle–Langerud, Sylling–Langerud) will significantly enhance capacity at Tegneby, making it one of the most strategically important connection points in the Oslo region. Datacenter demand is exceptionally high — over 870 MW queued — which may create competition for capacity but also signals long-term anchor load potential. Solar development is emerging with six projects in queue, and the EV charging and rail electrification concessions reflect growing transport electrification. Developers should monitor queue progression at Tegneby TRA closely, as reserved positions are advancing while in-queue positions face longer waits.
| AS Rockwool | 3 | consumption | Tegneby TRA | Elvia As | In Queue | industrial |
| BULK DATA CENTERS AS | 80 | consumption | Tegneby TRA | Elvia As | In Queue | datacenter |
| Green Mountain Enebakk As | 75 | consumption | Tegneby TRA | Elvia As | Reserved | datacenter |
| HAFSLUND CELSIO AS | 41 | consumption | Tegneby TRA | Elvia As | Reserved | industrial |
| HAFSLUND KRAFT AS | 80 | production | Tegneby TRA | Elvia As | Reserved | hydro |
| LARKOLLVEIEN 4 AS | 50 | consumption | Tegneby TRA | Elvia As | Reserved | datacenter |
| MICROSOFT DATACENTER NORWAY AS | 119 | consumption | Tegneby TRA | Elvia As | In Queue | datacenter |
| MICROSOFT DATACENTER NORWAY AS | 13 | consumption | Tegneby TRA | Elvia As | Reserved | datacenter |
| NYDALEN ENERGI AS | 15 | consumption | Tegneby TRA | Elvia As | In Queue | industrial |
| SI OSL 04 AS | 44 | consumption | Tegneby TRA | Elvia As | Reserved | datacenter |