DNO Services – Distribution Network Operator

Specialist Distribution Network Operator and Power Infrastructure Solutions

Cairn Cross has extensive experience delivering infrastructure projects that require Distribution Network Operator (DNO) upgrades. These works are often essential to support the energy demands of transport hubs, rail, highways, and large-scale civil engineering schemes.

Our experience covers civils, electrical, enabling works and infrastructure support for new connections, upgrades and network reinforcement projects.

We work collaboratively with UK DNOs, utilities providers, developers and principal contractors, supporting projects from early works through to final commissioning.

Key Features and Benefits

Comprehensive DNO support services – civils, ducting, trenching and reinstatement
New connections and network upgrades – supporting residential, commercial and infrastructure projects
Safety-led delivery – works carried out to UK power and utility standards
Regulatory compliance – aligned with DNO, HSG and environmental requirements
Efficient project delivery – minimising disruption to live networks and surrounding environments
Experienced multi-discipline teams – electrical, civil and groundworks expertise
Securing additional network capacity for major infrastructure schemes

DNO Projects Across the UK Utilities Network

Cairn Cross delivers DNO services across a wide range of UK environments, including:

Commercial developments
Industrial and logistics sites
Securing additional network capacity for major infrastructure schemes
Utility upgrades and reinforcement schemes
Street works and off-highway installations
Securing additional network capacity for major infrastructure schemes
Align works with tight programme milestones

Our DNO capability ensures projects are delivered safely while maintaining network reliability and continuity of supply.

Design, Construction and Integration

Cairn Cross DNO services are delivered through careful planning and technical expertise:

Civils and enabling works for substations, cabling and connections
Trenching, ducting and reinstatement in line with DNO and local authority standards
Coordination with live networks to ensure safety and continuity of supply
Integration with highways, rail and development infrastructure
Minimal disruption through effective traffic and site management

By combining technical expertise with strong working relationships across the utility sector, Cairn Cross ensures that DNO upgrades are not a constraint but an enabler for successful infrastructure delivery.

Supporting Sustainable and Resilient Power Infrastructure

Cairn Cross supports the delivery of sustainable and resilient UK power infrastructure by:

Implementing efficient construction methods to reduce environmental impact
Supporting low-carbon and future energy infrastructure
Delivering long-life assets designed for performance and resilience
Ensuring compliance with UK environmental and utility regulations

Our DNO services help client’s future-proof their power networks while maintaining safety, quality and reliability.

Why Choose Cairn Cross for DNO Services

Cairn Cross offers end-to-end DNO support, combining civil engineering expertise with a strong understanding of UK power and utility requirements. Our collaborative, safety-first approach ensures DNO projects are delivered on time, to standard and with minimal disruption.

With a proven track record across utility and infrastructure projects, Cairn Cross is a trusted partner for delivering UK DNO works and power infrastructure solutions.

Certified Excellence in Electrical Services

Cairn Cross is proud to be NICEIC accredited. This prestigious accreditation reflects our team’s expertise, our rigorous safety protocols, and our dedication to providing exceptional electrical services. For our clients, this translates to safe, compliant, and high-quality electrical solutions they can rely on. We are proud to have held this accreditation since 2014.

Design and build project to replace an AVIS and carriage was facility at SPT depot.

Customer

Wilcomatic

Sector

Rail Infrastructure