Hernani · Gipuzkoa · Since 1918

We repair what keeps industry moving.

Repair, rewinding and complete refurbishment of wind turbine generators and rotating electrical machines, with an industrial approach and competitive turnaround times.

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+1.500Generators repaired

100+ yearsCombined experience

ISO 9001Certified quality

Industrial precision

Experience that delivers reliability.

OREMOTOR specialises in repairing wind turbine generators and all types of rotating electrical machines. From diagnosis to final testing, every operation is defined, controlled and documented.

Our combination of technical expertise, reverse engineering and production capacity helps resolve complex faults and reduce customer downtime.

How we work: industrial methods and consistent quality.

Why we are here: responsive service with competitive repair turnaround times.

Technician winding a stator — Specialist winding

Thermal imaging inspection of a generator — Accurate diagnosis

Welding during rotor refurbishment — Refurbishment

Technical capabilities

A complete service for every generator.

We work on the complete assembly and its components, from initial inspection to dispatch.

Generator repair

Diagnosis, dismantling, repair, assembly and dynamic testing for any technology on the market.

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Winding and rewinding

Stator and rotor rebuilding, VPI impregnation and controlled curing to restore original performance.

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Slip rings

Slip ring repair and manufacture, with savings of up to 80% compared with a new part.

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Reverse engineering

We reproduce original winding data and develop solutions for models we have not repaired before.

Our methodology

Maintenance

Preventive and corrective programmes to improve equipment availability, service life and performance.

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Testing and quality control

Electrical, mechanical and dynamic tests with traceability and a documented final report.

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Verified quality

Tested before delivery. Every time.

Every repaired generator undergoes intermediate checks and final dynamic tests. The customer receives a complete report with results, photographs and the work carried out.

ISO 9001:2015 certification
Documented, repeatable processes
Approvals and multi-brand experience
Warranties tailored to the work performed

Industrial process

From receipt to dispatch.

A clear method reduces uncertainty, ensures quality and keeps turnaround times under control.

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Diagnosis

Inspection, initial tests, dismantling and technical report.

Refurbishment

Engineering, winding, VPI, curing, balancing and assembly.

Validation

Final dynamic tests, finishing and results report.

Dispatch

Packaging to specification and preparation for transport.