Enercon has received the type certificate for its E-138 EP3 E3 turbine from TÜV Nord.

The turbine has a rotor diameter of 138 metres, a rated output of 4.26MW and is available with different tower variants with hub heights of 81 to 160 metres.

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With a wind class IIA rating, it is currently suitable for low to medium wind locations.

Like all current Enercon turbines, the E-138 EP3 E3 is based on the E-nacelle concept with E-technology integrated into the nacelle.

As part of the measurement and validation campaign, the loads, power curve and sound power levels were successfully measured at the prototype site in Staphorst, Netherlands, the company said.

The type certificate was presented to Enercon by TÜV Nord at the Windenergy Hamburg 2024 conference in Germany yesterday (26 September).

Enercon’s EP3 product manager, Sascha Exner, said it was an “important milestone” in the company’s product roadmap, which will be followed by “further important steps”.

Exner said: “The E-138 EP3 E4, with which we will standardise the nacelles of the EP3 and EP5 platform, is already in development.”

The EP3 turbine type will then be fitted with the self-supporting nacelle covering that has already been introduced on the EP5 platform.

Enercon said it will also offer an improved power curve for the E4, which will enable around 1.5% more annual energy yield. Deliveries of the E4 in Europe will start at the beginning of 2026, it added.

A more robust version for typhoon requirements in Asian markets is also under development, the company said, adding that there will also be new steel towers for Europe (111 metres) and Japan (99 metres).

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