Forth and Tay members

RTS Wind

Business type: Correll Group are a service organisation, predominately offering HV, LV & FO, Engineering, Specialist Blades and Operations and Maintenance Services.

Contact: Sarah Lancaster, Business Development Manager
Address: Glebe Cottage, Kirkland, Moniaive DG3 4HD
Email:
Countries worked in: UK, Germany, Austria, Portugal, Taiwan, USA

The Correll Group is a family organisation, operating as part of a parent group that includes sister renewables companies, RTS AG and RTS Wind UK. With a team of over 450 technicians across three all three businesses, the Group present a strong and substantial service offering to the industry.

Correll specialise in the onshore and offshore renewable energy sector. With our head office based in the North East of England, our team have extensive experience of working on many of the most significant wind farms across the UK, Europe, Asia and also in the emerging US offshore market.

We are a recognised leader in the provision of manpower and maintenance services - including High Voltage (HV), Low Voltage (LV) and Fibre Optical (FO) Engineering, Specialist Blade inspection and repair, construction support, service operations and maintenance and statutory inspection services.

The group operates under 3 separate business units:

Correll Electrical Engineering (CEE): Specialising in High Voltage (HV), Low Voltage (LV) and Fibre Optical (FO) engineering, installation, termination and maintenance in the onshore and offshore energy sector. Whether project works are onshore, offshore renewable energy or offshore oil & gas, our services are delivered in a safe, efficient and reliable operation.

Correll Blade Services (CBS): Specialising in the inspection, repair and maintenance (IRM) of onshore and offshore wind turbines. Continually investing in research & development and remaining fully focused on serving our customers with the most cost-efficient long term solutions, the CBS team provides planned and preventive blade IRM to our clients driven by safety, quality and efficiency.

Correll Energy Services (CES): Specialises in providing experienced technicians for servicing, operations & maintenance, installation & commissioning, mechanical & electrical, blade landing & painting. We also provide statutory inspections to the onshore and offshore renewables sector, plus major and minor correctives exchange.

Our knowledge and experience enables us to work with our customers' to develop solutions that address the challenges of any project and precisely meet their needs.

Capabilities

Established supplier with significant experience supplying the sector

CAPEX - Turbine Services: Steel Tower Supply or Construction Services
CAPEX - Turbine Services: Blade or Composite Services
CAPEX - Turbine Services: Shoreside Lifting Services
CAPEX - Balance of Plant - Manufacture / Supply Services: Export & Array cables & components
CAPEX - Balance of Plant - Manufacture / Supply Services: General Lay Down Areas & Installation Support Services
CAPEX - Balance of Plant - Manufacture / Supply Services: Offshore Labour Services
OPEX - Operations & Maintenance: Wind turbine blade access, Inspection & Repair
OPEX - Operations & Maintenance: Offshore substation maintenance
OPEX - Operations & Maintenance: Export & Array cable Surveys & Repairs
OPEX - Operations & Maintenance: Lifting, climbing & safety equipment & inspections
OPEX - Operations & Maintenance: Training & provision of technicians to carry out BoP maintenance
OPEX - Operations & Maintenance: Training & provision of wind turbine electricians

Good capacity and some experience in supplying the sector

DEVEX - Project Management & QA Services: Project Management & Programme Management
DEVEX - Project Management & QA Services: QA Management & Document Control
DEVEX - Project Management & QA Services: Asset Management and Inventory Control
CAPEX - Turbine Services: Shoreside Engineering Services
CAPEX - Balance of Plant - Manufacture / Supply Services: Electrical system including backup generator, switchgear, transformers & converters
CAPEX - Balance of Plant - Manufacture / Supply Services: Electrical system including backup generator, switchgear, transformers & converters
OPEX - Operations & Maintenance: Turbine Maintenance & spare parts
OPEX - Operations & Maintenance: Onshore Electrical
OPEX - Operations & Maintenance: Scour & Structural Surveys & Repairs
OPEX - Operations & Maintenance: Testing and Certifications

Ambitions to diversify in the sector

Pre-Construction Development Phase (DEVEX): UXO Management
DEVEX - Project Management & QA Services: Health & Safety Services
DEVEX - Project Management & QA Services: Health & Safety Training
CAPEX - Balance of Plant - Manufacture / Supply Services: Back Up Generators & Fuel Supply
CAPEX - Balance of Plant - Manufacture / Supply Services: Marine Coordination or Shipping Services
OPEX - Operations & Maintenance: Marine Operations
Decommissioning: Documentation
Decommissioning: Decommissioning

Case studies

Global Marine Systems selected Correll to complete the Termination & Testing on one of the world’s first floating offshore wind farms. The Kincardine Floating Offshore Wind Farm is located 18Km off the coast of Aberdeen

Contract type: Global Marine Systems – Kincardine Floating Offshore Wind Farm – August 2018 October 2018 – 1 Subsea Export Cable

Value: Unable to disclose

Correll was responsible for: • Pre-project meetings • Site Visits • Creation of RAMS • Creation of Quality documentation • Project HIRA meetings • Post lay testing (continuity, IR, TDR & OTDR) • Onshore export cable stripping and routing • Onshore export jointing of the HV & FO cables • On the offshore asset: - Stripping the export cable to expose the HV cores and fibre optical cable - Complete the permanent hang off - Route the HV and FO cable into the asset - Install transit blocks around the HV core and FO cable - Cleat the HV cores from the hang off to the GIS - Terminate and splice the FO cable into the cabinet - Terminate three power cores into the GIS - Complete post installation testing from the onshore substation to the floating asset (VLF, IR, TDR & OTDR)

Correll was contracted by Vattenfall to provide expertise on one of the first 66kV Offshore Wind Farms - Aberdeen Offshore Wind Farm

Contract type: Our remit was to ensure the subcontractor delivered a first-class installation and performed testing activities correctly