UK Data Centre Grid Connections

UK data centre grid connections have become one of the defining challenges for data centre development. As demand for digital infrastructure accelerates, access to reliable grid capacity is shaping site selection, programme certainty and investment decisions.

For developers, power is not simply a utility requirement – it underpins construction timelines, leasing strategies and time to revenue.

The Challenge

Grid connections for data centres are increasingly complex.

Large load requirements at 33kV and 132kV, constrained network capacity and reinforcement works can all extend delivery timelines. At Extra High Voltage (EHV), projects must also meet detailed design, protection and compliance standards.

Alongside technical complexity, there are commercial pressures:

1. Significant upfront infrastructure costs
2. Multiple stakeholders across design, construction and adoption
3. Tight energisation deadlines
4. Sensitivity to programme delays

With Ofgem’s connections reform programme introducing milestone-based queue management and a move towards a “first ready, first connected” approach, developers must now demonstrate delivery readiness earlier. This places greater emphasis on robust feasibility, clear programme planning and structured delivery.

When energisation dates directly affect time to revenue, certainty on capacity, cost and timescales becomes critical.

A More Integrated Approach to Grid Connections

Traditional connection models often separate design, construction and long-term asset ownership across different organisations. Each handover introduces risk, delay and potential misalignment.

An integrated Independent Connection Provider (ICP) and Independent Distribution Network Operator (IDNO) approach removes many of these interfaces.

By designing, building, funding and adopting the infrastructure within one group, projects benefit from:

1. A single point of contact
2. Clear accountability across all stages
3. Better coordination between design, build and energisation
4. Reduced delays between project phases

This creates greater control from early feasibility through to energisation.

How This Supports Delivery

Early decisions around grid strategy can materially influence project viability and investor confidence. An integrated model supports developers at each stage:

Capacity and Route Feasibility
Early assessment of capacity availability and cable routes helps identify viable, cost-effective connection strategies and avoids late-stage redesign.

Early Design Engagement
Support with 33kV and 132kV designs assists planning submissions, improves cost certainty and reduces buildability risk.

Accelerated Delivery
Aligned design, build and adoption processes streamline approvals and help shorten energisation timelines.

Financial Investment
Where infrastructure is adopted by an in-group IDNO, asset investment and tailored payment structures can reduce upfront capex and support projects through Final Investment Decision (FID) and into construction.

Optimised Connection Strategy
Carefully selected connection points and considered engineering design can unlock additional commercial value, particularly in constrained areas.

Why This Approach Works

For UK data centre developments, grid strategy directly impacts programme certainty, capital planning and investor confidence.

An integrated ICP-IDNO approach helps provide:

1. Reduced upfront capital expenditure
2. Greater certainty on cost, capacity and delivery timelines
3. Fewer stakeholder interfaces
4. Simplified delivery from feasibility to energisation
5. Lower commercial risk supported by financial strength

In a market where time to power equals time to revenue, delivery certainty becomes a strategic advantage.

Why Power On

Power On combines ICP and IDNO capabilities within one group, delivering a fully integrated approach to grid connections.

We design, build, invest in and adopt the infrastructure we deliver – reducing interfaces, improving coordination and lowering upfront development capex.

NERS accredited up to and including 132kV, we specialise in Extra High Voltage (EHV) connections, electricity infrastructure and private wire solutions for data centre developments.

Structured to support long-term infrastructure delivery, we bring financial strength alongside practical experience across complex EHV projects.

Start the Conversation

If you are assessing grid capacity for a data centre project, early engagement can significantly improve outcomes – from feasibility and planning through to energisation.

About Power On

Power On delivers grid connections and electricity infrastructure across the UK. NERS accredited up to and including 132kV, we provide Extra High Voltage (EHV) connections, electricity infrastructure and private wire solutions for data centre developments.

As an ICP with an in-group IDNO, we design, build, invest in and adopt the infrastructure we deliver – reducing development capex and simplifying project management through a single delivery structure.

Structured to support long-term infrastructure delivery, we combine financial strength with practical expertise across complex EHV projects.