Kettwig run-of-river power plant

Kettwig run-of-river power plant
In front the weir on the Kettwiger See, in the back the run-of-river power station with the striking crane tower
location
Coordinates	51 ° 21 '38 "  N , 6 ° 56' 8"  E Coordinates: 51 ° 21 '38 "  N , 6 ° 56' 8"  E
country	Germany
place	eat
Waters	Kettwig Lake
power plant
operator	RWE Innogy
technology
Bottleneck performance	5.3 megawatts
Average height of fall	5 m
Standard work capacity	16 million kWh / year
Turbines	3 Kaplan turbines
Others

The Kettwig run-of-river power plant is a run-of-river power plant on the weir of the Kettwig lake in Essen .

The machine house with three Kaplan turbines and a total of 5,300 kilowatts of power was built for the Rheinisch-Westfälische Elektrizitätswerk (RWE) and is now operated by the subsidiary RWE Innogy . The annual average of 16 million kWh is generated from the five-meter gradient . In total, RWE operates eleven run-of-river power plants on the Ruhr with a total output of around 20 megawatts, the one in Essen-Kettwig being the last before it flows into the Rhine.

A return pumping station is installed in the power plant , which, if necessary, conveys water up the gradient to Lake Kettwig. These return pumping stations guarantee a sufficient water level for drinking water production on the Ruhr even in dry years.

In 1994 a ventilation system for the Ruhr water was installed in one of the turbines, and in 1995 the second turbine was also equipped in this way during an overhaul. A compressor is used to blow air into the turbine inlet of the power plant in order to improve the oxygen saturation.

Opposite the power station, on the other bank of the weir, is the Kettwig lock .

Web links

• Description of all locations on this themed route as part of the Route of Industrial Culture
• Ruhrverband to the Kettwiger See
• RWE leaflet on their hydropower plants and a. on the Ruhr (PDF; 5.8 MB)