Stamnätsdel
Stamnätsdel is a term used in Sweden to describe a defined part of the national transmission network (stamnätet). It designates the backbone portion of the electricity grid that carries large-scale energy over longer distances and interconnects major regional networks and cross-border links. The exact delineation of a stamnätsdel can vary with regulatory and planning documents, and may change as the grid is developed.
A stamnätsdel typically includes high-voltage transmission lines, major substations and switching installations, and the associated equipment
Ownership and control: In Sweden, these assets are owned and operated by the transmission system operator (TSO),
Relation to other networks: The stamnätsdel sits between the generation and regional/or distribution networks. Planning, maintenance,
Etymology and usage: The term combines stamnätet (backbone network) with del (part or segment) and is used