Hydroelectric power station on the Rhine

RADAG – an innogy lighthouse project

Energy from hydropower: innogy uses this technology to generate electricity.

After more than 80 years of continuous operation the time had come for a general overhaul at the Rheinkraftwerk Albbruck-Dogern AG (RADAG) hydroelectric power station on the Rhine. All three turbines and the control system are being replaced. According to current planning approximately €43 million will be invested in this maintenance project.

A new turbine is transported to RADAG hydroelectric power station on a low loader.

First turbine back on stream

The overhaul project at the Rheinkraftwerk Albbruck-Dogern AG (RADAG) hydroelectric power station has reached an important milestone: the first of three new turbines has been installed. The hydroelectric power station, in which innogy holds a 78% share, produces enough electricity to supply an equivalent of approximately 180,000 households with climate-friendly energy.

RADAG hydroelectric power station consists of an old and a new plant.

Technical details of the dam power station (new plant)

Construction period

Annual generation 180 million kilowatt hours (standalone operation)

Average output

24 megawatts
Average head 8.75 metres
Turbine Bulb turbine
Impeller 4 blades; 6.10 m diameter
Nominal flow rate 300 cubic metres per second
Construction costs approximately €70 million

Technical details of the Rhine hydroelectric power station (old plant)

Construction period

Annual generation 580 million kilowatt hours (standalone operation)
Average output 77 megawatts
Turbine 3 x Kaplan turbines
Impeller Diameter 7 m
Nominal flow rate 1,100 cubic metres per second

Ecologically sound: innogy invests money in ecological revitalisation measures for power stations like RADAG.

The power station

On the Upper Rhine the Rheinkraftwerk Albbruck-Dogern AG (RADAG), in which RWE Innogy holds a majority share, has realised one of the biggest hydropower projects in Germany. Since 1933 the Rhine hydroelectric power plant reliably produces green electricity. The dam hydroelectric power station has been in operation since December 2009 and has increased the total average annual output to 650 million kilowatt hours of electricity.

The ecological situation of the river has also greatly improved. Newly created shallow water zones invite fish for spawning, and diversion channels even enable salmon to safely migrate upstream. Over four million euros were invested in the ecological revitalisation measures.

The extensive modernisation measures at RADAG are expected to continue until 2019.

Modernisation measures from 2013 to 2019

As part of an extensive modernisation project the existing power station will be equipped with state-of-the-art technology. It is expected that the three turbines with a capacity of 30 megawatts each will be replaced by 2019.

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