The Correll Group

Specialising in the renewable energy sector, Correll are a global leader in the provision of electrical 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.

Correll is part of SPIE Group, the independent European leader in multi-technical services in the areas of energy and communications, following the acquisition in December 2023. Correll belong to SPIE Global Services Energy, the international subsidiary of the SPIE Group present in 23 countries in Europe, Africa, Asia Pacific, the Middle East and North America. SPIE Global Services Energy operates across the entire energy production infrastructure value chain, from design to 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 global 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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Vesterhav Nord and Syd OWF

Asso.subsea - Vesterhav Nord and Syd OWFs – April 2023 to March 2024 - 41 Array & 4 Export Cables The Correll Group – Cable Installation & Power Services Division (CIPS) is pleased to announce that it has been awarded a…

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Gode Wind 3 and DolWin Kappa

Asso.Subsea - Godewind 3 / DolWin Kappa OWF – July 2023 to November 2023  The Correll Group – Cable Installation & Power Services Division is delighted to announce that it has been successful in securing a contract with the offshore…

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Formosa 2 OWF Cable Repair

Jan De Nul – Formosa 2 OWF Cable Repair - July 2023 to August 2023 – IAC between 2x WTGs Jan De Nul approached Correll Cable Installation and Power Services Division to support them with the cable pull/replacement on Formosa…

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Dogger Bank OWF

Deme – Dogger Bank OWF – January 2023 to Present – Termination & Testing of 66kV inter-array cables Correll Electrical Engineering has been contracted by Deme Offshore NL B.V. to complete the 66kV inter-array cable (IAC) termination & testing on…

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Zhong Neng OWF

Seaway 7 – Zhong Neng OWF – January 2023 to Present – Termination & Testing of 66kV inter-array and export cables Correll Electrical Engineering (CEE) has been contracted by Seaway 7 to complete the termination and testing of 29 66kV…

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Revolution OWF

Hellenic – Revolution OWF – January 2024 to Present – Termination & Testing of 66kV inter-array cables - 65 WTGs, 13 Strings. 2 OSS The Correll Group, Electrical Engineering Division is pleased to announce that it has been successful in…

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Gode Wind 3 / Borkum Riffgrund 3

Prysmian – GodeWind 3 & Borkum Riffgrund 3 OWF – January 2023 to Present – Termination & Testing of 66kV inter-array cables The Correll Group, Electrical Engineering Division has been successful in securing a contract with Prysmian Powerlink for the…

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Carrera Pinto Solar Park

Wirescan – Carrera Pinto Solar Park – June 2023 Correll Group, High Voltage Management Division was approached by Wirescan, the pioneer of Wirescan Digital, a cable condition monitoring software following our previous installation works at London Array Offshore Wind Farm.…

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GE Grid – Saint Nazaire, Fecamp, Courseulles OWF’s

GE Grid – Saint Nazaire, Fecamp, Courseulles OWF’s – December 2023 to January 2024 SPIE Industries carried out the Oil Sampling on the main transformers at 33kV/225kV 280MVA on Saint Nazaire, Fecamp and Courseulles OWF’s for GE Grid. Oil treatment…

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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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Saint-Brieuc OWF

Prysmian Group – Saint Brieuc OWF - January 2023 to Present - Termination & Testing of 66kV inter-array cables The Correll Group, Electrical Engineering Division (CEE) is pleased to announce that it has been awarded a contract from Prysmian Group…

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Saint Brieuc OWF

Asso.subsea – Saint Brieuc OWF - January 2023 to Present - HV subsea cable pull-in Correll Group, Cable Installation & Power Services Division (CIPS) is delighted to announce it has been awarded a contract with Asso.subsea, a specialized global contractor…

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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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South Fork OWF

Hellenic - South Fork OWF – January 2023 to December 2023 – 12 Termination & Testing of 66kV Platform Connector Cables (PCC) & Inter-Array Cables (IAC). The Correll Group, Electrical Engineering Division is delighted to have completed the South Fork Offshore…

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Fécamp OWF

Prysmian – Fécamp OWF - August 2022 to October 2022 - 220kV Export Cable Pull, Termination and Testing (2 x Export Cables) The Correll Group is pleased to announce that it has been awarded a contract from Prysmian Group to…

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Framework Agreement – HV’s/AP’s

Siemens Gamesa – May 2022 to February 2023 - Framework Agreement – HV/APs for HV Terminations/HV Switching within the Wind Turbine Generator's (WTG's)  Correll Group, Electrical Engineering Division (CEE) has secured a framework agreement with Siemens Gamesa Renewable Energy to…

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Courceulles-sur-Mer OWF

Prysmian Powerlink - Courceulles-sur-Mer OWF – May 2023 to Present - 220kV Export Cable Pull, Termination and Testing (2 x Export Cables) The Correll Group – Cable Installation & Power Services Division (CIPS) has been awarded a contract from Prysmian…

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Acadis OST 1 OWF

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

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Neart Na Gaoithe OWF

Prysmian - Neart Na Gaoithe OWF - July 2022 to October 2022 - 220kV Export Cable Pull-in, Termination & Testing The Correll Group, Cable Installation & Power Services Division (CIPS) is pleased to announce the successful completion of the first…

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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) Stage 2 May 2022 to October 2022 – Termination and Testing – 33kV inter array cables…

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SAP’s / AP’s / Control Engineers up to 400kV

Siemens – Yunlin OWF – May to June 2024 Correll deployed 66kV AP to carry out isolations and earthing on the 66kV 8VM1 switchgear. Following this the AP will carry out HV service works on transformer and switchgear.   Siemens…

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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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High Voltage (HV) Commissioning

GE – Dogger Bank OWF – June 2022 to January 2024 Correll Group, HV Management Division was contracted by GE to carry out HV cable tests of the 66kV cable between the GIS switchgear and Junction box to confirm the…

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Formosa 1 OWF

SRE – Formosa 1 OWF – March 2022 to July 2022 Correll High Voltage Management (HV-M) secured a contract from SRE to provide assistance for the Formosa 1 Offshore Wind Farm in Taiwan. The contract involves deploying a Senior Authorised…

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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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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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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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Hornsea 2 OWF

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

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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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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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Kincardine Floating OWF

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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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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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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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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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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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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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.…

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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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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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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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DanTysk OWF

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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Burbo Bank OWF

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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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
15 Oct
SPIE secures contract with Jan De Nul
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20 Aug
SPIE secures Vattenfall Framework Agreements
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04 Jun
SPIE awarded Framework Agreement from the Ørsted Group for UK, USA and Taiwan Wind farm Operations
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23 Jan
Further contract awarded from Hellenic Cables for works on Revolution Offshore Wind Farm, USA
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18 Jan
Welcome Jack Binks
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11 Dec
Welcome to the Team
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