Substation Maintenance and Inspections

Our tailored substation maintenance agreements are the ideal way to ensure your power distribution systems remain in optimal operational order and are fully compliant with legal standards. With our expertise in electrical substation maintenance, we can identify issues earlier, reducing the risk of downtime and extending your equipment’s lifespan.

Experienced substation maintenance contractors

Be proactive, not reactive…

We all know that sitting around and waiting for something to go wrong isn’t a good way to do business. Not only can unexpected faults be severely disruptive and dangerous, but they’re often very costly, too. Our bespoke maintenance agreements are designed to care for your electrical infrastructure all year round.

Thorough technical maintenance

Our leading electrical engineers provide comprehensive care packages for your distribution system, including switching, routine and post-fault maintenance, substation testing and commissioning, electrical emergency response, oil analysis, and much more. We have many years of experience as substation maintenance contractors, so you can depend on us to carry out our services thoroughly.

Male worker in high vis and white safety hard hat working inside a green substation.
Man in high vis and protective gear working on an iPad monitoring an electrical control system mounted in a substation
Man in hi-vis jacket, white hardhat and green gloves working on electrical equipment

What's Covered

Planned, preventative maintenance

Visual inspections

Discharge testing

Switchgear modifications

Removal of operational constraints

Oil sampling

Thermographic imaging

Asset condition reports

General househusbandry

Building & structural repairs

GRP replacements

General groundwork (weeding, graffiti removal etc.)

Why Choose Serconnect

single point of contact

UK-wide coverage

With strategically based depots around the UK, no matter where you’re located, we can provide comprehensive support and coverage to keep your infrastructure in good working order.
in house experts

Tailored maintenance packages

Each of our electrical substation maintenance services can be tailored to suit the unique needs and scale of your operations, giving you a personal service that you can truly rely on.
dno alternative

In-house expertise

With extensive industry experience, including within transformer maintenance, our team of in-house electrical engineers deliver high-quality, reliable maintenance support that is tailored to your specific needs, every time.
Connections

Flexible service options

While the majority of our clients opt for ongoing contracts, which means that we are always on hand to support them, we also provide one-time services for specific maintenance needs.
How can we help your next project?
Get In Touch right

Related Case Study

33kV Solar Farm - North West

Serconnect were appointed to deliver 33kV, 11kV & LV connection works for the new Solar Farm.

Serconnect Workers
Two Instavolt charging stations in a housing estate with a green parking space.
Small brick electrical substation building with double doors, located outdoors on a paved area with trees in the background
Rivington case study
Bowker BMW case study - cables
Osprey Charging Network charging points
Eric Wright Group with Serconnect worker
Pebble dashed substation with grey metal doors
Substation Maintenance FAQs

View our FAQs for more information on commonly asked questions about our Substation Maintenance services.

View All FAQs right
Substation maintenance is the process of inspecting, testing, and servicing a substation’s equipment. This ensures that all of its components, such as transformers, switchgear, protection systems, and earthing, are operating safely and efficiently after substation installation.

By doing so, smaller, easily missed problems are addressed before they lead to failures and become costly in repairs and downtime. Regular electrical substation maintenance is key to ensuring your substation continues to run smoothly and preventing system issues from escalating.
Ensuring that your substation is in full working order and running smoothly is an important practice, as substation issues are best solved preventatively, not reactively. A small or overlooked issue may not pose an immediate problem, but the potential cost of repairing this, damage to your equipment and the downtime suffered in the future make regular maintenance essential for any business.

In addition, electrical substation maintenance is required to form part of insurance and compliance requirements, along with asset condition reports.
When you choose Serconnect for substation maintenance, you’ll receive a comprehensive service that is tailored to your business’ budget and timescale requirements. By choosing an Independent Connection Provider as opposed to a DNO, this will also be personalised to your business’ specific needs, backed by our electrical maintenance expertise.
Our general maintenance contracts include everything needed for your operations to continue running smoothly, compliantly and at a cost-effective rate. This includes routine maintenance, fault response, protection testing, oil analysis, thermographic imaging, asset condition reports, weeding, graffiti removal, groundwork repairs and more!
Sites with their own substation or transformer must comply with key UK regulations, including the Electricity at Work Regulations 1989, BS 7671, and the Distribution Code, as well as guidance from the HSE and ENA. These standards not only ensure the safe operation, maintenance, and integration of high-voltage infrastructure with the wider electrical network, but are also essential for meeting insurance requirements.
Grey, black and green Serconnect branded van driving on the road
Proud to be working with
eg group
eric wright group
Volvo logo white
Osprey logo
Greene King logo white
Tesla logo white
Lidl logo white
Rontec logo white
Toyota logo white
RRG Group logo white
Bowker logo
eSmart logo white
White United Utilities logo
UK Power Distribution logo in white
Mua logo in white
NG Bailey logo in white
onity logo in white png
MFG motor fuel group logo in white
Matrix group logo in white png
indigoooo logo png in white and grey
ESP utilities group logo in grey and white
Energy assets logo in white png
White Aurora logo
Eclipse power networks logo in grey and white
Instavolt logo in white png
emtec energy logo in white png
Get in touch
Whether you’re curious about what we do or think we could help you, we’re ready and waiting to answer any questions. Reach out to us and we’ll be in touch as soon as possible.

This field is for validation purposes and should be left unchanged.
ISO 9001 logo accreditation
ISO 14001 logo accrediation
ISO 27001 logo accreditation
ISO 45001 logo accreditation
ssip
chas
Approved Contractors
construction line
cyber essentials
Ecovadis Sustainability Rating