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The energy transition implies the electrification of energy, shifting away from generation by conventional sources for heat, gas, transport. Electricity demand is expected to rise almost 40% by 2030 and more than double by 2050. This requires significant growth of transmission and distribution grid infrastructure. On top of this, T&D infrastructure is ageing and needs to be replaced or refurbished in the meantime.
Huge grid investments have to done in the next 10 years, and the years thereafter, to accommodate the energy transition. From technology point of view the conventional part (AC infrastructure) may seem to be the simplest but will be an operational challenge due to the congestion in the existing grids, limiting the possibility to de-energize parts of the grid for extension, replacement or refurbishment projects.
On the other hand, the huge increase of electricity requires the introduction of relative new technologies like HVDC and hybrid grids. These emerging technologies are power electronics driven and controlled. This poses challenges to assure the reliable and predictable operation of the grids. Methods have to be developed to validate operational stability.