> 1.000
Successful
Missions
10
Autonomous
Teams
100 %
DGUV‒V3
liability insurance
14 / 7
Europe‒wide
schedule
Trusted by industry leaders:
Standard maintenance costs you time, money, and security.
HARU is the special task force for demanding wind energy projects. Ensuring flawed maintenance no longer eats into your yields.
Maximum Autonomy
Every team operates with its own 36kV equipment and switching authority. No waiting times for external supervisors.
Multibrand Expertise
Vestas, Senvion, REpower, GE, Siemens Gamesa. We speak the language of your entire fleet – for seamless service workflows.
14/7 Europe Rhythm
14 days of concentrated deployment without travel interruptions. We get the job done. Always.
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The HARU PRO Maintenance
We don't just repair.
We secure your future.
Proactive fault detection:
We identify and resolve issues before they cause downtime. This guarantees maximum predictability and liability protection.
100% Liability Protection:
Rigorous DGUV V3 inspections conducted directly by our independent teams. We identify any deficiencies—without compromise, to ensure your legal protection.
„We are not just service providers. We treat our clients' assets as if they were our own. That is why, even as a boss, I still work in the nacelle myself.“
Sebastian Rutz & Steven Hampe
Management HARU Service GmbH
Voices of our valued partners
Work with a squad trusted by the largest European portfolio managers. Don't just rely on our words, rely on the results.
Martin Gwasda
Base Commander @ SiemensGamesa Renewable Energy Service GmbH
„HARU stands out for its extremely streamlined communication channels. Direct communication between the technicians and our on-site staff greatly speeds up operational implementation. It is particularly valuable that issues arising during maintenance are reported immediately or, whenever possible, resolved collaboratively on the spot—a real added value for our plant availability.“
Mike Wiebach
Department Head Field Operation Area East @ Deutsche Windtechnik AG
"Over the past few years, I’ve had the opportunity to work with HaRu—and it has been a very successful partnership throughout.
What impressed me most was how they handled challenges: they never looked for problems, but consistently sought solutions. More than once, they’ve saved the day for me!"
Tim Breidenich
Service Manager Aachen/Waltrop @ SiemensGamesa Renewable Energy Service GmbH
„At HARU, we appreciate their personal, approachable, and unbureaucratic approach to collaboration. Their work is carried out in an extremely cooperative and constructive manner. Thanks to their thorough maintenance, we’ve been able to reduce downtime—and when an emergency arises, HARU responds quickly and with great flexibility in their resource planning.“
Kevin Roloff
Master Electrician Hohengüstow/Wittstock @ SiemensGamesa Renewable Energy Service GmbH
„From the top-notch equipment in their service vans to their expert handling of challenging tasks such as replacing pitch motors, HARU delivers top-notch quality. Their friendly staff impress with their professional demeanor and proactive approach to documentation and spare parts procurement, all aimed at minimizing downtime.“
Secure your HARU team for the next quarter.
Start your non-binding capacity request here.
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