When developers search for a high-voltage electrical contractor they can trust to deliver complex wind, solar and battery projects, Powersystems UK Ltd consistently stands out.
With nearly five decades of experience and a track record that few in the UK can match, Powersystems has now successfully delivered and connected more than 1,569 projects and over 9.9 GW of capacity to the UK electricity grid—playing a quiet but critical role in the nation’s transition to a low-carbon energy system.
A Specialist High-Voltage Contractor Built on Experience
Established in 1977, Powersystems is a leading UK high-voltage electrical engineering contractor, operating across the full lifecycle of grid connection and electrical infrastructure projects. From design and installation through to testing and commissioning, the company delivers end-to-end solutions at voltages up to 132 kV.
With offices in Bristol and Glasgow and UK-wide coverage, Powersystems supports projects from early feasibility through to energisation—bringing clarity, capability and certainty to some of the most technically demanding schemes in the energy sector.
1,569 Projects, 9.9 GW Connected, Delivery at Scale
Since 2000, Powersystems has connected over 9.9 GW of generation and storage capacity to the UK National Grid, acting as Electrical Balance of Plant (EBoP) contractor on projects spanning:
- Over 320 wind farm projects
- 52 solar PV projects
- 21 battery energy storage (BESS) projects
- Grid stability and rotating stabiliser schemes
- EV infrastructure and private wire networks
- CHP, STOR, hydroelectric and anaerobic digestion projects
This breadth of experience enables Powersystems to support hybrid and co-located projects, where wind, solar and batteries increasingly converge.
In the wind sector, Powersystems is widely recognised as a market leader in high-voltage grid connections. In 2023, the company marked 30 years working in the UK wind industry, having connected 24% of all UK onshore wind farms at 66 kV and 132 kV.
Flagship projects include:
- 260 MW Crystal Rig Wind Farm
- 235 MW South Kyle Wind Farm
- 228 MW Pen y Cymoedd Wind Farm
- 220 MW North Kyle Wind Farm
- 177 MW Dorenell Wind Farm
- 108 MW Limekiln Wind Farm
- 96 MW Clocaenog Wind Farm
- Sanquhar II Wind Farm, recently featured by the BBC
Each project reflects the company’s ability to deliver at scale, often in remote locations and challenging environments.
Trusted for Solar and Battery Grid Connections
As solar and battery storage take on a growing role in grid resilience, Powersystems continues to support developers with high-voltage connections designed for flexibility and future expansion.
The company’s experience in battery energy storage systems (BESS) includes grid-forming technologies, grid stability projects and the UK’s first privately connected rotating stabiliser—demonstrating deep technical understanding of the modern electricity network.
Lloyd’s NERS Accredited ICP – Delivering Under the NESO Framework (Up to 132 kV)
Powersystems was the first Independent Connection Provider (ICP) to achieve accreditation under the Lloyd’s National Electricity Registration Scheme (NERS) and has proudly maintained this status for 29 years.
Under the evolving National Energy System Operator (NESO) arrangements, this accreditation enables Powersystems to continue delivering contestable high-voltage grid connections up to 132 kV, aligned with the latest national connection, compliance and assurance requirements.
Operating within the Competition in Connections framework, and in close collaboration with NESO, transmission operators and distribution network owners, Powersystems provides developers with programme certainty, cost transparency and technical assurance—supporting timely, compliant connections for wind, solar and battery projects across the UK energy system.
Employee-Owned. People-Driven. Client-Focused.
Since becoming an Employee-Owned Business in 2019, Powersystems’ success has been directly driven by its people. Today, the company employs around 175 highly skilled professionals, each with a personal stake in the quality, safety and outcomes of every project delivered.
That culture of ownership and accountability is reflected in long-standing client relationships—customers return project after project, confident in Powersystems’ engineering integrity and collaborative approach.
Safety, Compliance and Engineering Integrity
Powersystems operates across all roles under the Construction (Design and Management) Regulations 2015, including Designer, Principal Contractor and Contractor. Health, safety and wellbeing remain the company’s highest priority, underpinning every site and every decision.
The High-Voltage Partner for the Energy Transition
With a £75–£100 million annual turnover, strong financial footing and a proven delivery record, Powersystems continues to support the UK’s most ambitious wind, solar and battery projects—providing the high-voltage infrastructure that makes clean energy possible.
For developers seeking a trusted high-voltage electrical contractor with real grid experience, Powersystems offers something rare in today’s market: scale, stability and a track record that speaks for itself.
Notes to Editors:
Contact Information:
- This article is written by Jules Daly, Marketing and Communications Manager at Powersystems.
- Email jules.daly@powersystemsuk.com Telephone 01454 318000
- Photography Copyright please credit all images used to powersystemsuk.co.uk
Powersystems are powering the transition to a sustainable future
Powersystems: The High Voltage Specialist of Choice
Powersystems is a leading employee-owned high voltage electrical engineering specialist with over 49 years of experience delivering safe, efficient, and high-quality infrastructure solutions across the UK.
As the first Lloyd’s NERS-accredited Independent Connection Provider (ICP), we have been delivering contestable grid connections up to 132 kV for over 29 years. Our trusted expertise spans the full project lifecycle—from design and installation to commissioning—supporting clients across renewable energy, utilities, and industrial sectors.
Since 2000, Powersystems has connected over 10 GW of renewable energy to the UK grid, including onshore and offshore wind, solar, hydro, tidal, and battery energy storage systems (BESS). We’ve also delivered critical infrastructure for electric vehicle charging, CHP, STOR, rotating stabilisers, and private wire networks.
Working in partnership with developers, contractors, and DNOs, we’ve connected 30% of the UK’s onshore wind farms—playing a vital role in the transition to Net Zero by 2050.
Our commitment to safety, sustainability, and innovation is embedded in our ISO-accredited integrated management systems and our ‘Priority No.1’ health and safety culture. We continue to invest in people, technology, and partnerships to remain the high voltage specialist of choice.
As an employee-owned business, Powersystems empowers every team member to contribute to our shared success. Our ownership model fosters a culture of collaboration, accountability, and continuous improvement—ensuring we deliver excellence for our clients, safely and efficiently.