Westallee 143, 49661 Cloppenburg, Germany

...so that the Energy


Transformers & Switchgear
Trade & Service

Your expert for transformers

We love the Excitement

We are young and love the challenge.
We take your problems seriously and work on them until we can offer you a solution.

- Short response times
- Competent contact persons
- Transformer maintenance is also possible on site without a crane
- Transformer tests on site and in our factory
- 24-hour emergency service with our own spare parts warehouse supply
- Transformer-life-span forecasts through oil analyses
- Short delivery times for replacement transformers


Our offer

Why your competition HT-VOLTEQ chooses

If you are looking for a trustworthy and experienced partner to support you in all aspects of your transformer, HT-VOLTEQ is the right partner for you!

Element 5@2x-8
Transformer maintenance

We service your transformer. Directly on site or in our factory.

Element 7@2x-8
Oil analyses

Our competent team takes oil samples directly on site and sends them to our partner laboratory.

Insulating oil - preparation

Thanks to innovative systems developed in-house, we can treat insulating oil directly on site.

Transformer stations

We offer the complete "all-round carefree package" for your transformer stations.

on-site service

Our team will be happy to visit you and carry out all possible work directly on the installed transformer.


Our team can also service your switchgear and make recommendations for longer life.


Element 9@2x-9


Company founded


> 200.000

Litre insulating oil filled


> 100.000

Maintained kVA

Experts with real experience

Our Management

From practice with years of professional expertise.

Harry Polinski

Managing Director

Master in electrical engineering


Tony Olorho

Managing Director

Trenchless Technology Consultant


Do you know our new division

Trenchless Technology HDD & Microtunneling

In cooperation with our local partners, we consult, supply and advise companies worldwide on all issues relating to horizontal drilling and microtunnelling systems.

- Consulting services directly on site
- Procurement of HDD (horizontal directional drilling) or
microtunnelling systems and spare parts.
- Consulting on individual projects from planning to


HT-VOLTEQ on Social Media

Our latest Articles

You want to know what's on our minds right now? We regularly give you a great insight into our day-to-day business on our social media channels.

4 months ago
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Contact us

Ask us Your questions

For quick contact, we recommend that you call us directly. However, we are also happy to receive your message via this form. 


  • Trade in transformers from 50 kVA
  • Maintenance of transformers, switchgear and transformer stations
  • All services around transformers

Contact Info

HT-Volteq GmbH
Westallee 143
49661 Cloppenburg

Monday - Friday: 7 :30 a.m. - 5:00 p.m.