High-voltage substation infrastructure

Total HV Power Group · United Kingdom

Specialist high voltage businesses.
One group.

Four specialist businesses working across grid connections, network intelligence, engineering consultancy and the responsible lifecycle of high-voltage assets.

ConnectionsIntelligenceEngineeringRecovery

Our group

Connected expertise across the high-voltage lifecycle.

Four specialist businesses spanning grid connections, network intelligence, engineering consultancy and high-voltage asset recovery.

01

ICP & Grid Connection Delivery

HV Connections Management

Coordinating complex 11kV and 33kV connections from design and DNO liaison through construction, commissioning and energisation.
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02

Grid Development Intelligence

HV Asset Research

Evidence-led network intelligence that helps development teams understand potential connection opportunities and constraints.
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03

Engineering & Technical Consultancy

HV Power Consulting

High-voltage engineering, electrical design, power-system studies, G99 support, technical consultancy and specialist engineering support.
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04

Asset Recovery & Recycling

HV Recycling

Responsible decommissioning, recovery, reuse and recycling of redundant transformers, switchgear and associated HV assets.
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01

ICP & Grid Connection Delivery

11kV and 33kV grid connection delivery.

ICP and grid connection delivery spanning DNO and IDNO coordination, design coordination, contestable works, construction, commissioning and energisation.

  • DNO & IDNO coordination
  • Contestable works
  • Design coordination
  • Construction delivery
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02

Grid Development Intelligence

Grid intelligence for early connection-feasibility decisions.

Grid Development Intelligence helps developers, ICPs and consultants screen the likely grid context around a site using governed, official GB DNO evidence.

  • Import & export supportability
  • Best-Supported Voltage
  • Capacity & headroom evidence
  • Constraint indicators
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04

Asset Recovery & Recycling

High-voltage asset recovery and recycling.

Practical support for decommissioning and managing transformers, switchgear and associated equipment — with recovery, reuse and recycling considered from the outset.

  • Asset decommissioning
  • Equipment recovery
  • Reuse assessment
  • Transformer management
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HV Asset Research · GDI

See the grid context before committing the project.

Grid Development Intelligence brings governed GB DNO evidence into a clear commercial view — supporting more informed early-stage site and connection decisions.

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Illustrative intelligence viewNetwork evidence
Supportability
Constraints
Confidence

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