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Business Details
36 Years
experience
Electrical Contractors in Sunderland
Established in October 1990, HTB Electrical Contractors has evolved from a family-run enterprise into a respected medium-sized company specialising in electrical contracting and renewable energy solutions. Our operations are headquartered in Sunderland, where we employ approximately 40 full-time staff alongside a select group of subcontractors. Since 2008, we have expanded into renewable energy sectors, developing a highly trained squad with expertise in offshore wind turbine installations and high-voltage systems. Our personnel hold certifications in ladder safety, rope access, confined space rescue, and first aid, with offshore teams possessing ENG1 medical qualifications. We maintain in-house senior authorised personnel and adhere to rigorous safety protocols, including permit-to-work systems.

Our services span industrial, commercial, and domestic electrical projects, complemented by consultancy support for onshore and renewable energy industries. We prioritise customer satisfaction, safety, and environmental responsibility in all operations. Our portfolio includes landmark projects such as the Lincs Offshore Wind Farm and Burbo Bank Offshore Wind Farm, where we delivered critical high-voltage and fibre optic installations. Continuous training ensures our team remains at the forefront of technological advancements. This commitment to excellence has solidified our reputation as a trusted contractor in the electrical and renewable energy sectors.
Services
Offshore Wind Installations HV Cable Termination Fibre Optic Installation Electrical Consultancy Emergency Electrical Services Confined Space Rescue AutoCAD Design Portable Appliance Testing Fire Alarm Systems Renewable Energy Systems
Details
  • Year established: 1990
Highlights and features
  • We have over 30 years of experience in electrical contracting and renewable energy projects.
  • Our team holds certifications in high-voltage safety, rope access, and offshore operations.
  • We prioritise customer satisfaction, safety, and environmental responsibility in every project.
  • Our personnel maintain continuous training updates for emerging electrical technologies.
  • We deliver comprehensive solutions from design to installation for complex energy systems.
Services
Offshore Wind Electrical Installations
We specialise in offshore wind turbine electrical systems, including high-voltage cable termination and fibre optic installations. Our trained personnel execute complex offshore projects with safety certifications for rope access and confined space rescue. This service ensures reliable power transmission for large-scale renewable energy developments.
High-Voltage Cable Systems
Our team provides high-voltage cable stripping, termination, and testing services for industrial and renewable energy projects. With in-house senior authorised personnel, we ensure compliance with BS7671 standards while minimising downtime during critical infrastructure installations and maintenance operations.
Electrical Consultancy
We offer expert advisory services for renewable energy and industrial electrical systems. Our consultants provide design solutions, safety protocol implementation, and technical support for complex projects, leveraging decades of industry experience to optimise system performance and regulatory compliance.
Emergency Electrical Services
Our rapid response teams address urgent electrical faults in industrial and offshore environments. With ENG1 medical-certified personnel and opito-trained riggers, we deliver swift, safe repairs to minimise operational downtime while maintaining strict safety standards for high-risk environments.
Fibre Optic Installation
We design and install fibre optic communication systems for wind farms and industrial facilities. Our certified technicians perform precision terminations and testing to ensure reliable data transmission infrastructure, supporting both onshore and offshore renewable energy monitoring and control systems.
Questions
What electrical services do you specialise in?
We specialise in offshore and onshore wind farm electrical systems, high-voltage cable work, fibre optic installations, and emergency electrical repairs for industrial clients.
How experienced are your technicians?
Our team has over 30 years' collective experience with certifications in high-voltage safety, rope access, confined space rescue, and offshore operations since entering renewables in 2008.
Do you provide consultancy services?
Yes, we offer electrical consultancy for renewable energy projects, including system design, safety protocols, and technical support for complex installations.
What safety certifications do you hold?
Our personnel are certified in ladder safety, rope access, confined space rescue, high-voltage switching, and hold ENG1 medical qualifications for offshore operations.
Can you handle emergency electrical repairs?
Yes, we provide rapid response teams for urgent electrical faults, though we currently operate standard business hours rather than 24/7 emergency cover.