The Correll Group

Specialising in the renewable energy sector, Correll are a global leader in the provision of engineering, installation and maintenance services - including High Voltage, Low Voltage & Fibre Optic Electrical Engineering, Control Room Asset Monitoring, HV Safety Rules, Construction Support and Service Operations and Maintenance.

Our head office is in the North East of England, with additional offices and operational bases strategically located in Europe, Asia and the USA to support offshore wind projects.​

The Group have executed many offshore wind projects, working on many of the most significant wind farms across the UK, Europe, Asia, and most recently in the emerging US offshore market. With access to over 440 highly qualified technicians through our main operational hubs in UK, USA and Taiwan, the business presents a strong and substantial offering to the offshore renewable energy sector.

The Correll Group operate under 3 separate business units, all complimented by additional support offerings.

Electrical Engineering
Electrical Engineering

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Cable Installation & Power Services
Electrical Engineering

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High Voltage (HV) Management
Electrical Engineering

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Equipment Rental
Electrical Engineering

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Training & Development
Training and Development

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Global Marine – Acadis OST 1

Global Marine – Acadis OST 1 – September 2022 to November 2022 – 27 Array Subsea Cables The Correll Group, Electrical Engineering Division have been successful in securing a contract from the Global Marine Group for the post installation integrity…

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Seaway Offshore Cables – Yunlin Offshore Wind Farm

Seaway Offshore Cables – Yunlin OWF - February 2020 to Present - 81 Array and 12 Export Subsea Cables Correll Group, Electrical Engineering Division (CEE) was awarded a third contract associated with an offshore windfarm located in the Taiwan Strait,…

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Seaway Offshore Cables – CFXD Offshore Wind Farm

Seaway Offshore Cables – CFXD OWF - January 2022 to Present - 62 Array and 4 Export Subsea Cables Correll Group, Electrical Engineering Division was awarded their 5th contract associated with an offshore windfarm located in the Taiwan Strait, an…

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Prysmian – Fécamp OWF

Prysmian – Fécamp OWF - August 2022 to October 2022 - 220kV Export Cable Pull, Termination and Testing (2 x Export Cables) Correll Cable Installation & Power Services (CIPS) were delighted that Prysmian awarded our organisation the Cable Pull, Termination…

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Prysmian – Neart Na Gaoithe OWF

Prysmian - Neart Na Gaoithe OWF - July 2022 to October 2022 - 220kV Export Cable Pull-in, Termination & Testing Correll Cable Installation & Power Services Division were delighted that Prysmian awarded our organisation the Cable Pull, Termination and Testing…

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Prysmian – Saint Nazire OWF

Prysmian – Saint Nazire OWF - Stage 1 September 2021 to January 2022 - 220kV Export Cable Pull-in, Termination and Testing (2 x Export Cables)  Correll were delighted when Prysmian awarded our organisation the Cable Pull, Termination and Testing contract…

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Jan De Nul – Princes Amalia OWF

Jan De Nul - Princes Amalia OWF Cable Repair - October 2021 to January 2022 - Array Cable Pull-in, Termination & Testing Jan De Nul approached Correll to support them with the Cable Pull, HV and FO services associated with…

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Asso Subsea – Kaskasi II OWF

Asso Subsea – Kaskasi II OWF – April 2022 to May 2022 - 155kV Export Cable Pull-in  Correll Group were delighted that Asso Subsea awarded our organisation their first contract for the cable pull in contract on the Kaskasi ll…

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Jan De Nul – Formosa 2 OWF

Jan De Nul – Formosa 2 Offshore Wind Farm – January 2022 to September 2022 – 66kV Array & Export Cables Correll Electrical Engineering (CEE) were delighted that Jan De Nul once again chose our company to complete the subsea…

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Jan De Nul – Formosa 2 OWF (Mock-up)

Jan De Nul – Formosa 2 Offshore Wind Farm – November 2021 to December 2021  Mock up of the Termination & Testing scope of works in preparation for works on the Formosa 2 OWF. Mock up included; cable installation, completion…

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Prysmian – Hornsea 2 OWF

Prysmian – Hornsea 2 Offshore Wind Farm – August 2021 to June 2022 – 66kV Array & OSS Cables Correll Electrical Engineeing were delighted that Prysmian approached our organisation to take over the Termination and Testing contract on Hornsea 2.…

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Global Offshore – Kriegers Flak OWF

Global Offshore – Kreigers Flak Cable Repair OWF (Denmark) – October 2020 to February 2022 – Array Termination and Testing Global Offshore approached Correll Electrical Engineering (CEE) to support them with the HV and FO services associated with the Kreigers…

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Global Marine Systems – Orkney Islands

Global Marine Systems - Orkney Islands – May 2018 – June 2018 – 1 Subsea to Land Cable  Correll Services was contracted by Global Marine Systems to complete cable jointing and testing works on subsea cables between island’s in Orkney.  Works included:  Fabrication of project RAM’s  Conducting project…

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CJS – Clair Ridge Platform

CJS – Clair Ridge Platform – January 2018 – August 2018  Correll Services was contracted to CJS to provide support with the following activities on the Clair Ridge Platform:  Routing of fibre optical cables  Install FO cables to junction boxes  Perform splicing activities  Perform Optical Time Domain Reflectometry testing…

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Global Marine Systems – Kincardine Floating Offshore Wind Farm

Global Marine Systems – Kincardine Floating Offshore Wind Farm – August 2018 October 2018 – 1 Subsea Export Cable  Correll Services was delighted that Global Marine Systems selected our company to complete the Termination & Testing on one of the world’s first floating offshore…

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JDR Cables – Beatrice OWF

JDR Cables – Beatrice OWF – March 2018 – October 2018 – 91 Array Subsea Cables   Correll Services was contracted to JDR cables to provide support with the following activities on the inter array cables:  33kV termination, jointing on OSS and TP’s  IR, Sheath and VLF testing…

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Seaway Offshore Cables – Veja Mate OWF Jumper Cable Installation

Seaway Offshore Cables – Veja Mate OWF (jumper cable installation) - September 2018 – 73 Array Subsea Cable  Correll Services was contracted to Seaway Offshore Cables (SOC) to provide two HV jointer/tester, performing the following activities:  Engineering support  Provision of HV tooling and test equipment  12 x sets…

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LS Cables Greater Changhua OWF

LS Cables – Greater Changhua – 2 x Onshore Substations – December 2020 to July 2021 – 154, 66kV terminations and 16, 230kV terminations.   Correll Services has been awarded a fifth contract associated with an offshore windfarm located in the Taiwan Strait, we are delighted to continue our involvement in the Taiwan…

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Seaway Offshore Cables – Costal Virginia (USA) OWF

Seaway Offshore Cables – Costal Virginia (USA) OWF - February 2020 to September 2020 – 2 Array and 1 Export cable  Correll Services is delighted to have been awarded a contract for the Cable Pull-in, Termination & Testing on such…

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Sumitomo/RevElie – Akita & Noshiro OWF (Mockup)

Sumitomo/RevElie – Akita & Noshiro OWF (Mockup) –November 2020 to December 2020   CS were approached to support them with cable pull in, HV and FO services associated with the mock-up in Belgium for the Akita & Noshiro OWF that will be installed in Japan. The purpose of the mock-up is to identify interfaces at this stage to prevent major delays offshore. The European experience was influential…

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Global Offshore – Block Island OWF Cable Repair

Global Offshore – Block Island OWF Cable Repair - August 2020 to May 2021 – 1 Export Subsea Cable Global Offshore approached CS to support them with HV and FO services associated with the Block Island cable repair/replacement project in the USA. This is the…

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Siem Offshore Contractors – Trianel OWF

Siem Offshore Contractors – Trianel OWF - September 2018 to April 2019 – 36 Array Subsea Cables  Correll Services was contracted to Seaway Offshore Cables (SOC) to provide support with fourteen HV/FO project engineers, performing the following activities:   Project procedures and handover documentation  Cable pull assistance and supervision on the TP’s and OSS …

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Siem Offshore Contractors – Hornsea OWF

Siem Offshore Contractors – Hornsea OWF - September 2018 to April 2019  Correll Services was contracted to Seaway Offshore Cables (SOC) to provide support with four HV/FO project engineers, performing the following activities:  Project procedures and handover documentation  Cable pull assistance and supervision on the TP’s and OSS …

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GE – Merkur OWF

GE – Merkur OWF – July 2018 to May 2019  Correll Group, HV Management Division was contracted to RTS Wind AG/GE and provided support with 32 HV and LV Electrical Technicians (SAP's & AP's), performing the following activities on the WTG:   Completing…

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Global Offshore – DanTysk OWF Cable Repair

Global Offshore – DanTysk OWF Cable Repair – February 2020 to March 2020 – 1 Array Cable   Global Offshore approached CS to support them with HV and FO services associated with the Dan Tysk cable repair/replacement project.  We were responsible for the Termination…

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Briggs Marine – Burbo Bank OWF Export Cable

Briggs Marine – Burbo Bank OWF Export Cable – April 2019  Correll Services was contacted and mobilised at very short notice to fault find on a subsea export cable.  Utilising four HV/FO testing technicians working from each end of the cable, we successfully located the fault 20-25 metres outside the onshore substation.  We completed the fault-finding process using the following equipment:  Bridge…

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Briggs Marine – Various Inter Island Export Cables

Briggs Marine – Various Inter Island Export Cables around Scotland & Transformer Inspections – May 2019 to August 2019  Correll Services was contracted to Briggs Marine to complete cable jointing and testing works on the subsea cables between island’s in and around the Scottish Western Isles.  The works included:  Fabrication of project RAM’s  Conducting project meetings  VLF Testing …

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Jan De Nul – Cable Replacement on Borkum Riffgrund 01 OWF

Jan De Nul – Cable Replacement on Borkum Riffgrund 01 OWF – June 2019 to August 2019 – 2 Array Subsea Cables  CS was contracted to Jan De Nul for the HV & FO termination & testing works associated with the removal and replacement of 2off faulty subsea cables.  WE were responsible for the Termination & Testing of the…

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Global Marine Systems – Shetland Islands

Global Marine Systems - Shetland Islands – February 2019 to September 2019 – 3 Subsea to Land Cables  Correll Services was contracted by Global Marine Systems to complete cable jointing and testing works on the subsea and land cables between island’s in Shetland.  The works included:  Fabrication of project RAM’s  Conducting project meetings  Post load out testing,   Time Domain…

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Jan De Nul – Formosa 1 (Phase 2) Offshore Wind Farm

Jan De Nul – Formosa 1 (Phase 2) Offshore Wind Farm – January 2019 to October 2019 - 17 Array and 3 Export Cables  Correll Services was delighted that Jan De Nul selected our company to complete the termination & testing on the first major offshore wind farm in waters around Taiwan.  On the project, CS was responsible for:  Pre-project meetings  Site visits  Creations…

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CWind – Race Bank Cable Repair

CWind – Race Bank Cable Repair - November 2019 – 1 Array Subsea Cable  Correll Services was engaged by CWind to complete a HV cable repair on one of the Wind Turbine Generators on the Race Bank OWF.  We mobilised onto the project with 3 x HV & FO technicians and completed the following:  Assistance with project specific engineering …

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Seaway Offshore Contractors – 66kV Pre-Qualification Termination & Jointing Activities

Seaway Offshore Contractors – 66kV Pre-Qualification Termination & Jointing Activities – June 2019 to February 2020  CS was engaged by SOC to carry out the installation of four different manufacturers HV products being considered for use on a OWF being constructed in Taiwan.  The 66kV cable termination works…

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Briggs Marine – Inner Hebridean Islands

Briggs Marine – Inner Hebridean Islands, Scotland – January 2020 to March 2020 – 1 Subsea to Land Cable  CS contracted with Briggs Marine to complete cable jointing and testing works on the subsea cables and land cables between islands.  The works include:  Fabrication of project RAM’s  Conducting project meetings  Post load out testing,   Time Domain Reflectometry…

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ORE Catapult – GE Haliade-X

ORE Catapult – GE Haliade-X 66kV OWT – February 2020   CS was the first company to train HV technicians in the use of Tyco Electrical 66kV components.  As a consequence of this achievement, CS was approached by ORE Catapult/GE to complete in-line jointing and…

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Seaway Offshore Cables

Seaway Offshore Cables –Various OWF UK – December 19 to September 2020   CS is supporting Seaway Offshore Cables with the following:  Client Representative  Superintendents  Formulating inspection reports 

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Global Offshore – Race Bank OWF

Global Offshore – Race Bank OWF Cable Repair – August 2020 to December – 2 Array Subsea Cable  Global Offshore approached CS to support them with HV and FO services associated with the Race Bank cable repair/replacement project.  We were…

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Jan De Nul – Changhua Demonstration (TPC) Offshore Wind Farm

Jan De Nul – Changhua Demonstration (TPC) Offshore Wind Farm – November 2019 to October 2021 – 23 Array & 4 Export Cables  Following the successful delivery of the Formosa 1 (phase 2) OWF in Taiwan, CS was delighted that Jan De Nul once again chose our company to complete the subsea cable termination & testing works on the second OWF being constructed in Taiwan…

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Global Marine Systems – Kincardine Floating Offshore Wind Farm (Phase 2)

Global Marine Systems – Kincardine Floating Offshore Wind Farm (Phase 2) – July 2020 to September 2021 – 1 Subsea Export Cable & 5 Array Cables  Correll Services are delighted to be working with Global Marine Systems again to complete the Termination & Testing on one of the world’s first…

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CJS – Mariner Rig

CJS – Mariner Rig – March 2018 – April 2018  Correll Services was contracted to CJS and provided support with the following activities on the Mariner Platform:  Routing of HV cables on the platform  Perform cable jointing works  Perform post installation cable…

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Transmission Investment – Westermost Rough Onshore Substation

Transmission Investment – Westermost Rough Onshore Substation – July 2018  Correll Services was awarded a contract to upgrade 2 x Neutral Earth systems on the 220kV transformers. 

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Vattenfall – Aberdeen OWF

Vattenfall – Aberdeen OWF - February 2018 to July 2018  Correll Services was contracted by Vattenfall to provide expertise on one of the first 66kV Offshore Wind Farms.  We at CS felt privileged to be awarded the contract by a world leader within the industry.  Our remit was to ensure the subcontractor delivered a first-class installation and…

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CJS – Ford Innovation Factory

CJS – Ford Innovation Factory – March 2018  Correll Services was contracted to complete the following works at the Ford Innovation Factory based in Basildon:  Spiking of 11kV cables  Preparation of joint pit  Cable preparation & jointing of 11kV Raychem straight through joints…

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Fabricom Quanta – Centrica Platform 3B

Fabricom Quanta – Centrica Platform 3B – October 2020 to May 2021 – Cable Pulling Platform Cables   CS were approached to support Quanta them with cable pull in activities of HV & LV cables on the platform between Transformers, Switch Gears etc. CS were responsible for the following,   Pre-project meetings  Site visits   Creations…

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Latest News

View Group News
01 Jun
We’re exhibiting at Global Offshore Wind 2023

Global Offshore Wind (GOW) will take place at the ExCel, London on 14th and 15th June 2023. GOW remains the…

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15 May
Correll to deliver bespoke turnkey solution for Courseulles-sur-Mer Offshore Wind Farm
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03 Mar
Correll Group are exhibiting at this years 2023 International Offshore Wind Partnering Forum (IPF 2023)
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09 Feb
Correll Group signs pledge to the Armed Forces Covenant
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27 Jan
Correll Group scoops Saint-Brieuc Offshore Wind Farm cable contract
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