Transformer Oil Recycling

Electrical transformer at an outdoor substation

For a safe, compliant way to manage waste transformer and turbine oil from your site, CSG is on hand to help. Our transformer oil recycling and disposal service supports commercial and industrial organisations across the UK by collecting, transporting and treating these oils and related electrical maintenance streams.

Specialist handling is essential for transformer oil, especially in cases containing PCBs (polychlorinated biphenyls). Our experienced team knows when your waste oil may need additional assessment, testing and compliant routing - providing your organisation with a clear audit trail and safe chain of custody throughout.

We help organisations assess and collect transformer oil, with recycling or recovery considered where suitable.

90+

Years

of waste management expertise supporting UK businesses

How Does Our Transformer Oil Collection & Recycling Service Work

Tell us about the type and quantity of oil, its storage arrangements, the equipment involved and any available PCB analysis.

We consider recycling and recovery where the oil’s condition and contamination meet the receiving facility’s acceptance requirements. Other oils may require specialist treatment or disposal.

We can collect from suitable drums, IBCs and tanks. Where oil needs to be removed from equipment, safe isolation and access must be arranged with the site’s appointed competent specialists before work begins.

National collection

We support single- and multi-site businesses throughout the UK

Specialist Support & Advice

Get practical advice and support from experienced waste professionals

Practical Waste Assessment

Quotations are based on the waste information and analysis available, with sampling arranged where needed to confirm the waste profile.

Clear Reporting

We provide full duty of care documentation and a clear audit trail

CSG operative adjusting valves at a waste treatment plant

What you can expect from our transformer oil disposal service.

Our specialist collection vehicles, treatment network and technical teams support the assessment and management of transformer oil waste.

Where PCB contamination is unknown, we can arrange site attendance, sampling and laboratory analysis to help confirm the correct management route. This gives your organisation the documentation needed to make informed disposal decisions and maintain a clear audit trail.

OUR CREDENTIALS

Built On Recognised Standards

Quality, environmental, and safety credentials supporting our transformer oil collection and management services.

DNV-Certified

Quality, Environmental & Health and Safety

SAFE Contractor

SSIP Accredited

Achilles UVDB

Category B2 Assessment

CHAS logo

CHAS

Accredited

Logistics UK Membership logo

Logistics UK

Member

CIWM

Affiliated Member

Who We Support

Our transformer oil recycling and disposal services support organisations across a wide range of sectors, including…

Utilities & Infrastructure

Transformer oil waste from operational electrical assets and maintenance programmes

Manufacturing & Industrial

Support for transformer oils generated through site operations

Energy & Power Generation

Collecting insulating oils and associated maintenance waste streams

Facilities Contractors

Safe disposal support during equipment replacement, servicing and decommissioning

We’ll help you identify an appropriate collection, treatment or recovery route for your transformer oil. Speak with our team

Related Blogs & Guides

Storage Tank Testing: Why Regular Inspections Matter
The Real Value of Reporting Health & Safety Incidents
Energy from Waste: The Benefits of Energy Recovery
Fuel & Oil Interceptor Care Guide
EWC Codes Explained: A Complete Guide for Efficient Waste Management
Spill Control Basics – The Importance of Chemical Spill Kits

Frequently Asked Questions About Transformer Oil Recycling & Disposal

What is transformer oil, and why does it need specialist handling?

Transformer oil is an insulating and cooling oil used within transformers and other electrical equipment. It often requires specialist handling because the oil can become contaminated during use. Plus, some older equipment may contain PCBs (Polychlorinated Biphenyls) that are toxic to the environment and don’t break down easily.

We can collect and manage oils from a range of electrical equipment (subject to assessment and acceptance), including:

  • Transformers
  • Switchgear
  • Capacitors
  • Electrical cooling systems
  • Related operational equipment

Transformer oil can be considered for recycling where its composition, condition and contamination meet the receiving facility’s acceptance requirements.

Sampling and PCB analysis may be needed before a route is agreed. Oil that is unsuitable for recycling requires an appropriate treatment or disposal route. Our team confirms the arrangements following assessment.

Yes. We can assess transformer oil contaminated with water, sediment, sludge or other materials, subject to acceptance criteria.

Depending on location and access requirements, we may be able to provide urgent collections of waste transformer oil. Please contact our team with details of the site if this is the case.

Yes. We can also support the coordinated collection of related waste streams during the same visit, including:

  • Oily water
  • Oil-contaminated absorbents
  • Maintenance residues
  • Related liquid waste streams
Keep each waste stream in its own suitable, clearly labelled container. Tell us what materials are present so classification, acceptance and collection arrangements can be agreed in advance.
 

If you often produce this kind of waste, we can set up hazardous waste management for your business and handle this for you on a regular basis.

PCBs were historically used in some older electrical equipment and may still be present in legacy assets. If you are unsure about the age, condition or contamination status of your transformer oil, we can arrange sampling and certified analysis to confirm PCB levels and advise on the correct management route. 

To provide an accurate quotation, we’ll usually need:

  • Estimated oil volumes
  • The age and type of equipment
  • Storage arrangements – and whether you require replacement storage
  • Access details
  • Information about leaks or contamination
  • Where your site(s) is located
  • Any previous testing or analysis data you’ve got available

We can support the waste-management aspects of transformer decommissioning, including agreed sampling, laboratory analysis, oil removal and management of the oil and associated units, subject to assessment and acceptance.

The scope must be agreed in advance, with electrical isolation, safe access and any engineering work coordinated with the site’s appointed competent specialists before waste removal.

Tell us about any known or suspected PCB contamination before collection. We can arrange assessment and laboratory analysis to help identify an appropriate authorised route, subject to acceptance.

Where regulations require the PCB content to be destroyed, the oil must go to a suitable authorised destruction process. It cannot be managed as a routine transformer oil recycling load.

Get A Free Waste Management Audit

The easiest way to start improving your waste management is with a Free Waste Management Audit from CSG. Our team will assess your current waste streams, identify opportunities to reduce costs and make practical recommendations to improve how you manage your waste.

Safety Built Into Every Service

See how CSG protects people, sites and the environment

Arrange Transformer Oil Collection & Disposal

Tell us about your transformer, insulating or turbine oil, the postcode of your site and whether the oil is already drained or remains within equipment. Include approximate quantities and any available PCB analysis. Our team will assess suitable collection, recycling or specialist treatment and disposal arrangements.

This service is for specialist commercial and industrial oils, rather than domestic oil disposal or routine garage engine oil collections.

To discuss your requirements, call 0800 011 6600.

Transformer Oil Disposal Service Page Contact Form

Get a quote for your waste collection

Is a PCB analysis report available?
Marketing consent