Energy infrastructure project site
Complete Power Solutions

Power Project Expertise. Delivered.

End-to-end project delivery and technical advisory across the UK energy sector.

Complete Power Solutions provides specialist project management, grid connection management and technical advisory services to developers, asset owners, investors and EPC contractors across BESS, onshore and offshore wind, transmission and distribution, and building services.

Sectors

Sector Coverage

Deep delivery experience across the full spectrum of UK energy infrastructure.

Battery Energy Storage

Battery Energy Storage

Full project lifecycle from development readiness and grid connection through to construction delivery, commissioning and NESO/ONCC compliance.

Onshore & Offshore Wind

Onshore & Offshore Wind

Project management, owner's engineer and technical advisory roles across onshore and offshore wind development and construction programmes.

Transmission & Distribution

Transmission & Distribution

Grid connection management, NESO and Transmission Owner interfaces, design coordination and programme delivery on high-voltage infrastructure.

Building Services

Building Services

Multidisciplinary engineering delivery and project management across complex building services and MEP programmes.

Capabilities

What We Do

Complete Power Solutions brings senior delivery capability to the projects that need it most — from development through to energisation.

01

Project & Programme Management

Governance, programme oversight, risk management and executive reporting across complex multi-stakeholder energy projects.

02

Grid Connection Management

End-to-end coordination of connection applications, NESO/TO/DNO interfaces, design dependencies, actions and escalation.

03

Grid Code & ONCC Compliance

Compliance matrix, evidence register, study coordination, witness-testing plans and EON/ION/FON progression.

04

Owner's Engineer & Client Representative

Independent oversight of EPC contractors — design reviews, interface control, programme challenge, change control and contractor performance.

05

Project Assurance & Recovery

Rapid health checks, critical-path reviews, recovery programmes and board-level recommendations for projects under pressure.

06

Technical Due Diligence

Experienced delivery-side review of connection, design maturity, EPC strategy, programme, risks, cost assumptions and deliverability.

07

EPC Procurement & Commercial Support

Scope development, tender evaluation, interface schedules, risk allocation and mobilisation support for EPC and BOP packages.

08

Development Readiness

Development audit, gap analysis, delivery planning and procurement strategy to bridge from land or connection to investment readiness.

Track Record

Track Record

Proven delivery across major UK energy infrastructure programmes.

Battery Energy Storage

Wilton BESS - Sembcorp

Lead Project Delivery, NESO / ONCC Interface Management

Transmission & Distribution

National Grid Transmission

Siemens — Major Project Delivery

Onshore Wind & Renewables

Renewable Energy Programmes -

CG Power Solutions - Project Management & Technical Advisory

Energy management

New York Red Bulls

The Energy Check Inc - Energy Consulting

Energy infrastructure

Our Approach

Complete Power Solutions combines major-project delivery experience with deep electrical engineering knowledge and senior commercial leadership. We embed alongside client teams to provide the technical authority, programme discipline and stakeholder management that complex energy projects demand — from the earliest development stages through to energisation and handover.

Senior expertise embedded within your project team
Technical authority across grid, design and EPC interfaces
Programme discipline from development through to energisation
Commercial leadership and risk management at board level
Enquiries

Discuss Your Project Requirements

Whether you are developing a new energy asset, managing a complex grid connection or need independent assurance on a programme under pressure — we would welcome a conversation.

Complete Power Solutions

Senior BESS and grid connection expertise. Fractional. Remote. Deployable.

Complete Power Solutions Ltd · completepowersolutions.co.uk

© 2026 Complete Power Solutions Ltd. All rights reserved.