Development of the electricity network
With the constantly increasing density of the urban structure in Helsinki, the electricity system also needs compact network and technology solutions. A high-voltage distribution network is built as a cable network. We are clarifying system-technical issues as a basis for implementation planning. The level of our excellent security of supply must be retained in the development.
Security of supply
The key figures of the security of supply in Helsinki are outstanding in a global context. The average duration of interruptions in electricity distribution (SAIDI) per year in Helsinki has settled at a few minutes. On average, a customer has a power cut lasting 30 minutes every ten years.
Achieving this kind of a security of supply is a result of decades of research and development work and systematic investment and development solutions built on that work.
Planning of system engineering
The high-voltage distribution network in Helsinki is subject to a significant need for change. This is partly due to the closer urban structure, the significant changes taking place in the heat and electricity production in the area and a change in the way customers are using electricity.
This trend requires system-level planning of the electricity network concerning the techno-economic management of both active and reactive power.
Development of the planning and use of the distribution network
Smart grid technology
Development of new technologies for the management of fault situations in the electricity network and distributed production is important in a production environment change where distributed production and underground cabling are increasing.