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Author: Sandra Zirm

Sandra Zirm is Head of Corporate & Marketing Communications at HCS Group and is responsible for the company's strategic communications, including press relations and sales communications for the Haltermann Carless, ETS Racing Fuels and Electrical Oil Services (EOS) brands. One focus of her work is the development of online communications and Inbound Marketing. T +49 69 695 386 117 E-mail

Blog Post by Author: Sandra Zirm

Author: Sandra Zirm Sep 30, 2022 12:56:00 PM 3 min read

Regenerated like new: Inhibited EOS® Premium X oil receives IEC 60296:2020 certificate

Electrical Oil Services offers the market recycled insulating oil EOS® Premium in non-inhibited and inhibited grades – both accredited according to IEC 60296:2020.
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Author: Sandra Zirm Jan 11, 2022 12:00:00 AM 3 min read

EOS® Premium receives IEC 60296:2020 certificate

 The recycled insulating oil EOS® Premium has been accredited according to IEC 60296:2020, type B for “as new properties oil”.
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Author: Sandra Zirm Dec 16, 2021 12:00:00 AM 4 min read

Municipal utility reduces CO2 balance with EOS® Premium

For the maintenance of its grid transformers, the municipal utility Schlitz (DE) relies on EOS® Premium, a regenerated insulating oil.
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Author: Sandra Zirm Oct 9, 2021 12:00:00 AM 6 min read

BEST Transformer contracts EOS for transformer assembly at FAIR project

EOS has successfully completed the ready-to-operate assembly of BEST Transformers at the FAIR particle accelerator in Darmstadt, Germany.
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Author: Sandra Zirm Sep 23, 2020 12:00:00 AM 11 min read

EOS® Premium – Next Generation Regenerated Insulating Oil

EOS® Premium, a high-quality regenerated insulating oil, meets IEC 60296:2020. Contact us for using this sustainable oil for your electrical equipment.
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Author: Sandra Zirm Nov 1, 2019 12:00:00 AM 3 min read

Electrical Oil Services celebrates 20th anniversary

Electrical Oil Services (EOS) is celebrating its 20th anniversary. EOS your one-stop supplier for transformer oil and maintenance services. Click for more.
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Author: Sandra Zirm Jan 17, 2019 4:18:00 PM 13 min read

Circular economy: Stop wasting valuable transformer insulating oil

EOS transformer service offerings are available all over Europe and help meet circular economy requirements. Click to read the Transformer 01/2019 article.
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Author: Sandra Zirm Nov 28, 2018 12:00:00 AM 4 min read

HCS Group acquires Trafolube

HCS Group strengthens its EOS transformer oil service business with the acquisition of Trafolube GmbH, thus taking another step in continuing its business expansion in Continental Europe.
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Author: Sandra Zirm Aug 15, 2018 12:00:00 AM 3 min read

HCS Group takes over transformer technology division and strengthens insulating oil services business

HCS Group acquires the transformer technology division of EES Jürgen Scholz GmbH and establishes Electrical Oil Services GmbH, thus strengthening its expanding German and European EOS insulating oil services business.
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Author: Sandra Zirm Apr 20, 2018 12:00:00 AM 14 min read

EOS “Closed-Loop”-Model for Transformer Oil Regeneration

EOS oil regeneration for transformer life extension; simple and cost-efficient way to extend transformer service life by regular checking the insulating oil quality and system and taking the appropriate steps. Contact EOS today to take care of your ...
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