How Italy actually makes its electricity50 Hz · 380 kV · Seven sources · Two islands

Section 05 of 05

The Network

Imports, interconnectors and moving power north to south. Generation is half the system. These pieces are about the wires — north to south, over the Alps, and under the sea to two islands.

Rows of red and white electricity transmission towers crossing a forested hillside
Building a line takes longer than building a plant, which is why transmission rather than generation sets the pace.Photo: Radik 2707 / Pexels

4 pieces in this section

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  • Moving Power North to South, and Back

    Generation in the south, demand in the north, and a network that has to carry it. Constraint, congestion and why building a line takes longer than building a plant.

    By Chiara Bassani · The Network · 6 min read
  • The Interconnectors

    Italy imports electricity across the Alps. How much, from where, and what that dependency means when prices move.

    By Owen Petrie · The Network · 3 min read
  • What the System Operator Is Doing All Day

    Balancing supply and demand second by second: frequency, reserve and dispatch, explained as a job rather than an abstraction.

    By Silvia Marchetti · The Network · 5 min read
  • Sicily and Sardinia: Grids at the End of a Wire

    Island systems with their own constraints and their own cables to the mainland — the clearest illustration of what a network is for.

    By Marta Ferretti · The Network · 3 min read