About us

We work with you to solve your energy challenges through innovative solutions, delivering resilience, cost efficiency and sustainability

About us overview
Power crew’s flying visit lifts museum
Power crew’s flying visit lifts museum

14 June 2022: Fifty staff from UK Power Networks Services donated their time to a speedy makeover of the memorial garden, outdoor seating areas, visitor pathway and service courtyard of the Army Flying Museum in Hampshire.

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Enabling Port of Felixstowe to take major step  towards Net Zero
Enabling Port of Felixstowe to take major step towards Net Zero

6 June 2022: UK Power Networks Services has won a contract to take the UK’s largest container port, and one of the largest in Europe, a step closer to Net Zero.

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Our clients include some of the highest profile public and private sector organisations with critical infrastructure in complex environments.

Our industries
High Speed 1
High Speed 1

We were commissioned to design, construct, operate and maintain the electrical infrastructure of HS1, the UK’s first major railway constructed in over a century and its first high-speed railway. The project was delivered on time and on budget, within a contract that extends for 50 years after the start of railway operation.

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Heathrow Airport, Terminal 2

UKPNS Heathrow Airport Terminal Two 2

We designed and installed new substations and HV and DC cables to increase the capability, range and resilience of the system, supporting the redevelopment and increased capacity of the terminal.


Heathrow Airport wanted to increase the capability, range and resilience of the electrical system at Terminal 2, to support the redevelopment and increasing capacity of this international airport terminal.



The scope of works included the detailed design, procurement and installation of HV and DC feeder cabling, installation of new substations and the installation of new HV and DC cables.

The main items of plant and civil works that we provided included:

  • Two new 33/11kV primary substations designed and installed to supply the main terminal (T2A), its satellite terminal (T2B), the multi-storey car park and all other infrastructure
  • T2A main building substations – comprising seven new internal 11kV/415V substations in the main building, powering all terminal infrastructure including baggage, passport control and retail
  • T2B satellite terminal substations – five internal 11kV/415V stands project; T2A has 6 x 1MVA package substations serving ten aircraft stands. T2B has 18 x 1MVA package substations serving 23 aircraft stands
  • Cooling station – new 11kV substation supplying the new cooling station pumping cool air into the terminal



Given the size and location of the project, we encountered several project challenges:

  • Early Services Relocation (ESR) project involved decommissioning the existing Terminal 2 whilst moving active services for redevelopment
  • Substation 260 brought up logistical issues of installing transformers close to a live runway
  • Keeping the terminal cool with reliable air conditioning facilities meant a separate cooling station was required
  • Logistics of working in a live operational airport; security and background checks, restrictions on workflows
  • Locational issues; the Central Terminal Area (CTA) remained operational throughout the life of the project. Careful consideration was needed when planning the works to ensure that passengers using the airport remained unaffected


All case studies