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RWE repowers two German wind farms

Published by , Editorial Assistant
Energy Global,


Over the coming weeks, a total of around 100 employees and experts from RWE and its partner companies will be working on two wind farms to dismantle 17 older wind turbines and replace them with 11 new, more powerful ones. By repowering the wind farms in this way, RWE can significantly increase electricity production despite using fewer turbines. This is due to the larger rotor blades being able to capture more wind and produce green electricity even when the wind is weak. At the Lesse and Barbecke sites, the company will increase capacity from 30.6 to 61.8 MW.

RWE repowers two German wind farms

“43 500 is the number of the day. Once operational, the wind farms will be able to supply the equivalent of 43 500 households with green electricity. Electricity production at both sites will more than triple. Repowering is therefore making an important contribution to the success of the energy transition. But it is not only the climate that benefits, since we voluntarily pay an RWE climate bonus of 0.2 cents/KWh produced to the local communities. The town of Salzgitter and the municipalities of Lengede, Burgdorf and Söhlde can look forward to a total annual income of up to €280 000, which will be distributed among the municipalities,” said Katja Wünschel, CEO RWE Renewables Europe amd Australia

RWE opts for established wind sites in Lesse and Barbecke

The local conditions make the area suitable for wind power, with sufficient distance from the nearest villages and good wind conditions. In Lesse, RWE will replace eleven turbines of the oldest generation (total capacity 19.8 MW) with eight modern turbines with a total capacity of 44.7 MW.

In Barbecke, RWE will replace six existing turbines (total capacity 10.8 MW) with three turbines with an installed capacity of 5.7 MW each (total capacity 17.1 MW). The team has started to set up the construction site and carry out initial road works. Any repowering project is a logistical challenge. In parallel with the new construction, the old turbines need to remain connected to the grid for as long as possible in order to continue generating green electricity.

“We really have our hands full. While we have already laid the first foundation with a diameter of more than 26 metres for the new wind farm in Lesse, we were able to start dismantling the old plant at the same time. We are doing this in the most environmentally-friendly and resource-efficient way possible. We are leaving areas that are no longer required in such a way that they can be used without restriction after dismantling. We also reuse some of the gravel removed from roads and crane pads in the new wind farm,” commented Jens Meyer, Project manager at RWE.

How communities benefit from wind power

RWE operates around 90 onshore wind farms in its home market. Involving citizens and local authorities in renewable energy projects is a key element in driving forward the energy transition. It promotes local acceptance. In Germany, the company gives all municipalities with an RWE wind farm a share of the profits. As the RWE climate bonus is paid per KWh of electricity generated, communities where high-capacity plants are based benefit the most. This creates an additional incentive to replace older plants with modern ones. In Lesse and Barbecke, electricity production will more than triple after repowering. Municipalities can expect to receive up to €280 000/y of wind farm operation, up from up to €80 000. The additional income can be used, for example, to financially support local facilities such as day-care centres for children, schools and fire brigades. RWE plans to commission all new plants this coming winter.

 

 

For more news and technical articles from the global renewable industry, read the latest issue of Energy Global magazine.

Energy Global's Winter 2023 issue

The Winter 2023 issue of Energy Global hosts an array of technical articles weather analysis, geothermal solutions, energy storage technology, and more. This issue also features a regional report looking at the future of renewables in North America, and a report from Théodore Reed-Martin, Editorial Assistant, Energy Global, on how Iceland utilises its unique geology for renewable energy.

Read the article online at: https://www.energyglobal.com/wind/14022024/rwe-repowers-two-german-wind-farms/

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