GreenSwitch
Project
Candidate for Project of
Common Interest Status
Status: Planning phase
Date of commissioning: 2028
Distributed renewable sources, increased peak consumption by electric vehicles and heating have recently become challenging due to the rise in power flows on the distribution and transmission grid. Operators are therefore now facing higher investment needs. Partners from Austria, Croatia and Slovenia have balanced the opportunities and risks associated with a modern cross-border approach to grid development, and decided that only together can they solve the problems arising from their exceptional challenges and limited resources.
The GreenSwitch project will invest in primary infrastructure to achieve maximum output and implement a smart-grid toolbox of different technologies, platforms and functionalities. This will be combined with storage and highly digitalized information systems. As flexible load and generation are crucial for future grid development and coordinated optimization at TSO-DSO level, GreenSwitch will enable prosumers to get to the frontline of power system operation.
The main goals of the GreenSwitch project are to optimize grid investment and to enable the integration of an increasing quantity of dispersed resources.
Increase hosting capacity for distributed renewable sources.
Optimize grid investment.
Improve observability of the distribution network.
Increase cross-border capacity.
Efficiently integrate new loads.
Improve supply quality.
Coordinate flexibility in procurement and supply.
Make optimal use of the infrastructure.
The GreenSwitch project will provide additional cross-border capacity and optimization of grid operation, extending to lower voltage levels. Many new technologies and techniques will be rolled out on this project, including locational use of battery storage, power flow prediction and control systems, an optimal supply of physical islands, and an advanced approach to providing distribution grid resilience by cross-border connection. These technologies and techniques will secure customers’ energy supplies in border areas in emergency conditions. Cross-sector integration in mobility and heating is also a rare example of innovative technology implementation in the power system.
The result will be a grid that is better prepared for the expected large additional loads and renewable energy sources.
Transmission and distribution systems and network operators from Austria, Croatia and Slovenia have a long history of cooperation, both cross-border between TSOs and between DSOs, and within each country between TSO and DSO.
KNG-Kärnten Netz GmbH
Arnulfplatz 2, 9020 Klagenfurt, Austria
ELES, d.o.o.
Hajdrihova ulica 2, 1000 Ljubljana, Slovenia
Elektro Ljubljana d.d.
Slovenska cesta 56, 1000 Ljubljana, Slovenia
GEN-I, trgovanje in prodaja električne energije, d.o.o.
Vrbina 17, 8270 Krško, Slovenia
Elektro Gorenjska, podjetje za distribucijo električne energije, d.d.
Ulica Mirka Vadnova 3a, 4000 Kranj, Slovenia
Elektro Celje, podjetje za distribucijo električne energije, d.d.
Vrunčeva 2 A, 3000 Celje, Slovenia
Hrvatski operator prijenosnog sustava d.o.o.
Kupska 4, 10 000 Zagreb, Croatia
HEP Operator distribucijskog sustava d.o.o.
Ulica grada Vukovara 37, 10 000 Zagreb, Croatia
Hrvatska elektroprivreda d.d.
Ulica grada Vukovara 37, 10 000 Zagreb, Croatia
