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Optional yield increase enables significant added value from EP3 wind farms for operators
With a new solution offering, ENERCON enables operators of wind farms equipped with E-138 EP3 E3 turbines to achieve significant yield increases. Launched at WindEnergy Hamburg (still running until 25 September), performance optimisation will now also be available for the E-138 EP3 E3 as part of the ‘Yield+’ programme. Under this name, ENERCON offers yield-enhancement solutions in its solution portfolio for both new and existing turbines.
Depending on the specific site conditions, the Yield+ option now available for the E-138 EP3 E3 can increase Annual Energy Production (AEP) by approximately 2 %. This figure is based on an average wind speed of 7.0 m/s at hub height.
The additional energy yield is achieved through site-specific adjustments to the turbine control system. By increasing rotor speed, the nominal power output of the E-138 EP3 E3 can be increased from 4.26 MW to 4.5 MW.
No modifications to the wind turbine hardware are required to achieve this yield optimisation. The design lifetime of 25 years for the E-138 EP3 E3 also remains unchanged.
Before implementing the new operating mode, operators should assess, among other factors, whether sufficient capacity is available at the point of common coupling and how the reduced reactive power provision may affect site operation. The ENERCON Sales & After Sales teams are available to provide clarification on these matters and detailed information regarding the availability of this mode for specific turbine configurations.
The option provides EP3 operators with greater flexibility, further reductions in the levelised cost of energy (LCOE), and thus tangible added value for their projects. ‘As a solutions provider for the renewable energy ecosystem, our aim is to increase the profitability and value of wind energy projects throughout their entire lifecycle’, says Fatemeh Akhtarirad, Head of Value Offerings at ENERCON Service Product Management. ‘We are therefore developing solutions for the continuous optimisation of turbine operation across the entire project lifecycle, enabling our customers to maximise energy yield.’
ENERCON plans to gradually extend the ‘Yield+’ offering to additional turbine types.

As a provider of integrated solutions for the connected Green Energy Ecosystem, ENERCON supports its customers in the realization of onshore wind energy projects. To fully unlock project potential, the company combines its high-performance, high-yield wind turbines with complementary solution components and services, enhancing customer benefits and the overall value of wind energy. The range of the solution portfolio, from which customers can select modules according to their requirements, extends from planning and installation to management and control, service and maintenance, and optimisation of system performance during the operational phase.
As a pioneer in renewable energy with over 40 years of experience and a deep understanding of the demands of a changing energy system, ENERCON’s scope has always extended beyond mere wind turbines. With the mission ‘Energy for the World’, the company has been committed to sustainable energy generation from onshore wind since 1984. Thanks to its innovative turbine technology, high quality standards, and an installed total capacity of more than 65 gigawatts, ENERCON is among the world’s leading renewable energy companies.
With extensive expertise in the area of ‘holistic project development’, ‘connected operation’, and ‘smart optimisation’, a dense service network, and a broad network of partners and service providers, ENERCON is a competent and reliable partner for its customers in all project phases. Headquartered in Aurich, Lower Saxony, the company employs around 13,000 people at administrative, sales, production, and service locations worldwide.

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