Power Sector

Our work in the Power Sector

As specialists in providing LV, HV and EHV services, OCU Group deploys over 250 authorised personnel; design engineers, technicians, jointers, overhead linesman and civil engineering operatives.

We work on a range of framework contracts and capital schemes for UK DNOs, along with private renewable energy clients for solar and wind farm projects.

Our Full Capabilities

Our expert teams undergo continuous training and assessment to make sure their knowledge and skills are always up to date with the latest technology, techniques and health and safety regulations

Primary substations transition electricity from the National Grid to distribution networks.

Network technical consultancy, front end engineering and design and feasibility studies for LV, HV and EHV distribution systems.

Haul road construction and access creation for large scale projects.

Installation and commissioning of EHV duct and cable systems and diversions at all voltages up to 400kV.

Construction of joint bays and jointing operations in all surface and location types.

Trenchless techniques including horizontal directional drilling to navigate areas of special engineering difficulty.

Cable pulling operations at all voltages.

Design and construction of comprehensive substation solutions including transformer and switchgear installation.

Construction of overhead line networks and tower mounted sealing ends.

DNO and ICP connections for businesses and developments at all voltages.

LV service, low carbon, de-looping and domestic connections including works on private property on a wide range of surface types.

24/7 LV, HV and EHV fault rectification services in carriageway, footway and private property including emergency traffic management.

Maintenance, repairs and decommissioning of cable systems, including oil filled cables.

Every OCU Group depot has generous storage facilities, enabling us to hold both our own and our clients’ vested stocks of specialist materials so that we can respond quickly and efficiently to a wide range of requirements.

We also have an extensive range of specialist vehicles and plant, enabling us to operate in difficult and extreme weather events with reactive support for our clients.

Case Studies

ENWL – Padiham 132kV

Following a competitive tendering process, OCU Utility Services was awarded the Electricity North West (ENWL) Padiham 132kV Cable Installation contract. Valued at approximately £6.6m, the work was necessary to undertake because both ENWL and National Grid Electricity Transmission (NGET), who are joint owners of the Padiham 132kV substation, identified that the existing facility needed to […]

NPg – Substations and Switchgear

OCU Utility Services were appointed as the contractor required to deliver 60 substation & switchgear replacement projects across Yorkshire and the Northeast. All works are completed in a manner in which the minimum risks are introduced to the operation of the NPg Distribution Network. Scope of Works The schemes cover substation and switchgear replacement projects […]

NPg – Cable Engineering Services

Throughout our works on the Cable Engineering Services (CES) Framework up to 33kV on behalf of Northern Powergrid (NPg), OCU are fully responsible for providing a full turnkey solution across the service delivery contract. The planning and scheduling of these high-volume, low-value works naturally form a key part of the process; activities of which have […]