Strabag expands Kelag’s Wurtenspeicher dam, lifting storage to 5 million cubic meters
XLI•Timeline and investment
Construction started in spring 2025; main works are scheduled to finish in 2026, followed by remaining works in 2027.
Kelag put the investment at about EUR 30 million.
Project lifts dam and storage capacity
The project lifts the dam by 7 meters, raising the storage target by 8.5 meters.
Reservoir capacity is set to rise to 5 million cubic meters from 2.7 million, increasing flexible hydropower output.
Strabag wins contract to expand Wurten reservoir
Strabag won a contract from Kelag to expand the Wurten reservoir in Carinthia’s Fragant hydropower complex.
