What We Do


Mobile Regeneration Service

Building on over 60 years experience of vacuum filling and processing transformers are the basics of our product offers.


Mobile Processing Units (MPU)

The EOS quality assured Mobile Processing Units (known as TransVacs) are state of the art, self contained vehicles specifically designed to meet the most exacting standards of transformer filling and treatment.


Off-Site Oil Storage

For large quantities of transformer oil that need to be removed or temporarily stored, EOS offers a fully integrated, quality assured off-site insulating oil storage and management service at our Ellesmere Port works, in Cheshire.


Hold On Site - Oil Flushed Tanker Hire

This quality assured service allows engineers to examine the inside of a transformer for inspection and repairs. Our experienced team ensure that any oil removed is returned to the transformer with little or no degradation.


Used Insulating Oil Collection

EOS can collect used mineral insulating oil from transformers at your site, and recycle this waste oil. By providing high quality regenerated mineral insulating oil, we can continue to ensure the future of recycled insulating oil for years to come.


TransTest - Oil Sample Testing

The TransTest service is supported by our highly experienced team of EOS electrical engineers who are on hand to offer on-site advice on sampling techniques, management of insulating oil, interpretation of test results and sampling frequency.


We offer a comprehensive range of insulating oil related products and work in partnership with our clients to share our knowledge and expertise on what works best.


Download a selection of our informative resources, including product and material data sheets, environmental and waste certificates, and how to guides.

Consultancy & Training

EOS prides itself on sharing in depth knowledge and giving you expert advice through training and consultancy.