A partnership with a vision: ENERTRAG and the Wolfen Gliding Club
At Renneritz Airfield, ENERTRAG and the Wolfen Gliding Club are demonstrating how wind energy and air sports can go hand in hand. A conversation with club chairman Rainer Müller and club member Johannes Langer.
From Neighbours to Partners
The first tall wind turbines have stood around Renneritz Airfield since 2011. At the time, the Wolfen Gliding Club agreed to their construction and, in return, relocated its engine-powered circuit to the northern section of the airfield. ENERTRAG pledged annual compensation to the club, which today forms a key pillar of the club’s work.
Last year’s repowering project saw the addition of two new wind turbines, which, at a total height of 254 metres, are significantly taller than their predecessors. For the club, this meant noticeable restrictions in the approach area. The board therefore sought to engage in dialogue with ENERTRAG.
Constructive negotiations, a partnership-based solution
“The negotiations were very constructive. We did not want a confrontation, but rather an amicable solution,” explains Rainer Müller. The club was represented by an experienced specialist solicitor, who was paid on a success-based fee. ENERTRAG ultimately covered the costs. The result is a contract that provides the club with long-term planning certainty.
Investment in modern aircraft
The club is using the funds specifically to modernise its fleet. The centrepiece is a virtually new Discus 2c FES 18 m, a modern high-performance single-seater with an electric front-mounted engine and a retractable propeller. The glider complements the tried-and-tested fleet and, for the first time, offers the possibility of cross-country flights without the risk of an out-of-field landing, which represents a significant safety improvement, particularly for junior and competitive pilots.
“Without ENERTRAG, this investment would have been unthinkable for us,” emphasises Johannes Langer. “The money is clearly being channelled into flying and benefits all members.”
The investment is having an impact both internally and externally. Saxony-Anhalt is regarded as a weak federal state in terms of gliding. With the new aircraft, the club has worked its way to the top of the state rankings and, in 2025, finished 24th out of 60 in the Northern Regional League. “We’re noticing that we’re becoming more attractive to new members. Last year alone, twelve pilots joined us,” says Langer.
A visible partnership in the skies
The collaboration is also visible. The DG-1000 T two-seater, the Comco Ikarus C42 B microlight and the accompanying trailer all bear the ENERTRAG logo. A second contract is about to be signed. In future, the ASK 21 will also be seen in the skies sporting the ENERTRAG colours.
Working together for the region
The example of Renneritz shows that wind energy and established activities such as air sports can coexist. Through this cooperation, ENERTRAG provides planning certainty for the club; the region retains its active airfield; and the club invests in a sustainable fleet.
“A solution like this thrives on mutual goodwill and the willingness to take responsibility,” summarises Müller. “We both benefit. That’s exactly how it should work. "
About the Wolfen Gliding Club: The club operates Renneritz Airfield and is committed to promoting young talent in gliding in Saxony-Anhalt. The club’s fleet includes the DG-1000 T, the ASK 21, the LS 4 WL, the Mistral C, a Discus 2c FES 18 m and the Comco Ikarus C42 B.
