Grane Dam

The Grane is a dam of Grane above the long Elsheimer district Astfeld / Herzog- Julius- hut in the Lower Saxon part of the resin.

Description

The Grane is the youngest of the resin with dams built in 1969 and was built in Granetal. The dam is an earth dam with asphalt -concrete poetry. As the river Grane itself resulted in little water for the 3 km long lake, a approx. 7,4 km long tunnel to the Oker below the Oker Dam was built. This road also absorbs water from the Gose. Another 4.8 km long tunnel leads from the wheel of the Great Romke and thus also in the Oker - Grane studs. Also, there is a 4.6 km long underground link to Innerstetalsperre. Operator of Granetalsperre as well as the associated transition systems and water works are the Harzwasserwerke.

The reservoir supplies drinking water, flood protection, water regulation and power generation. The hydroelectric plant has a power output of 180 kW. The waterworks for drinking water supply is increased on the northern slope. The water from the reservoir is pumped into an equalization storage basin of 60,000 m³ storage space, from where it flows to the waterworks. The Granetalsperre has a mean annual discharge of 55 million m³.

Since the reservoir of drinking water used is water sports like sailing or surfing, forbidden to him. Also, the traffic is kept away from him. Around the lake is a way for the entertainment of the lake was created, which is open to walkers and cyclists to use and has a length of about 17 km.

Fish fauna

The Grane is an e by the club Brunswick fishermen V. cherished salmonid stream with large rainbow and lake trout, is admitted to the exclusive fly-fishing for a limited number of annual passes. The dam is also known by Catches of trophy perch.

Water-side embankment of the dam with asphalt seal

Look at the water works

Fountain in front of the waterworks