Deutsche Windtechnik Sweden develops first contract to extend the operational life of 23 Vestas V90 wind turbines to 30 years

Deutsche Windtechnik Sweden signs a full-maintenance contract with Wallenstam for 23 Vestas V90 wind turbines.
© Deutsche Windtechnik AGBremen (renewablepress) - Deutsche Windtechnik Sweden is delighted to announce the signing of a full-maintenance contract with Wallenstam for 23 Vestas V90 wind turbines. The turbines are spread across nine different wind farms in southern Sweden. The contract covers servicing until the turbines reach 30 years of age, significantly exceeding the average operational lifetime of 20 years. This long-term cooperation represents Deutsche Windtechnik Sweden's first foray into extending turbine lifespan on the service level by 10 years, extending operational time by 50%.

Wallenstam, a renowned property company, chose Deutsche Windtechnik for its flexible and customer-centric contract design, extensive maintenance experience, and in-depth understanding of wind turbine technology.

“Deutsche Windtechnik is the highly skilled partner we need to maximize the sustainability of our turbines without compromising on quality. Together, we have developed a contract that sustainably and economically spreads the risk for both parties regarding major components throughout the contract term. They are meticulous in knowing how long wind turbines can be kept in operation,” said Patrik Persson, Energy Manager at Wallenstam. “The contract ensures the reliable operation of our wind farm well beyond the average lifespan, which fully sustains our portfolio with renewable energy and a surplus fed into the Swedish power grid.”


Deutsche Windtechnik impressed with tailored contracts and high-level expertise

“We designed the contract in close collaboration with Wallenstam, taking into account both Wallenstam’s needs and the turbines’ requirements based on their progressing age”, said Linus Sturesson, Managing Director at Deutsche Windtechnik Sweden. “With our customer-focused approach, the contract also provides flexibility in maintenance planning by allowing for adjustments based on future electricity price fluctuations.”

Such a significant lifetime extension of wind turbines yields substantial environmental and operational benefits: A prolonged lifespan maximizes the use of existing infrastructure, reduces the need for costly new constructions, and maximises the turbine’s overall energy output. It aligns with sustainable energy objectives by optimizing existing resources and reducing the carbon footprint. At the same time, wind farm operators can spread investment costs over a longer period, develop long-term maintenance plans, and increase efficiency and performance by implementing upgrades and improvements.


About Deutsche Windtechnik AG

Bremen-based Deutsche Windtechnik AG offers a single-source full technical maintenance package for wind turbines in Europe, the USA, and Taiwan. The company operates both onshore and offshore. Over 2,300 employees provide service for over 7,300 wind turbines worldwide under permanent maintenance contracts (basic and full maintenance). The company's system engineering focuses on Vestas, Siemens, Nordex, Senvion, Fuhrländer, Gamesa, Enercon, and GE turbines.


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Caption: Deutsche Windtechnik Sweden signs a full-maintenance contract with Wallenstam for 23 Vestas V90 wind turbines.

Bremen, 16 September 2024


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