Home · Wind Services · Electrical Services

Electrical Services

Ensure the integrity of your high voltage system

Swire Energy Services provides electrical maintenance solutions to maximise the performance of the electrical components of the turbines and reduce the level of unplanned downtime.

Regular maintenance is the key to protecting these components - enhancing safety, increasing production, minimising downtime and ultimately maximising your ROI. Regular maintenance can also ensure compliance to manufacturers warranties and reduce the risk of component failure.

Appointing a dedicated team committed to looking after your electrical components throughout their operational lifecycle, can ensure you achieve these benefits and help deliver maximum generation during high wind periods.

Our team of highly experienced, fully certified technicians can develop maintenance strategies and provide the following services:

Consulting and planning


  • HV Safety
  • General HV Consultancy


  • Network Analysis, Discrimination Studies
  • Earthing Design
  • HV Electrical System Design

Construction and installation


  • Switchgear & Transformer Installation & Testing
  • Installation of Cable Containment: HV/LV, Cable Ladders Trays & Trunking, Earthing Systems
  • Panel Wiring: Relay Panels, Remote Terminal Unit (RTUs) and LVAC boards


  • VLF & Partial Discharge Testing
  • Cable Installation & Jointing Services – 11kV, 33kV & 66kV
  • Installation and commissioning of transformer and switchgears

Maintenance, Repair and Retrofitting

  • Maintenance and refurbishment of HV & LV Switchgear
  • Fault Finding Analysis
  • HV Inspection & Testing Services up to 66kV
  • Transformer
  • Oil sampling
  • Dissolved gas analysis
  • Lab analysis of samples
  • Repairs
  • Refurbishment
  • Retrofitting and upgrading of lighting, heating, power and security systems for substations


  • Senior Authorised Person
  • HV Switching
  • HV Electrical Installation Primary substation: Construction, Installation and Commissioning
  • Upgrade & Decommissioning: To all Equipment Protection, Design, Testing & Commissioning

“As the most experienced high voltage partner in the wind industry, we are able to provide safe, reliable and efficient servicing and breakdown support for your turbines. We can act as a single point of contact for combined inspection and service of electrical components.”

Iain Malcolm
Iain Malcolm, Director of Sales & Business Development
Iain Malcolm

Iain Malcolm

Director of Sales & Business Development +44 797 639 6932 iain.malcolm@swirees.com

Get in touch

Thank you for your interest in Swire Energy Services. Please let us know how we can help you with your product and service requirements.

Screenshot 2021 07 29 at 16 14 02

View case histories

Learn more
Untitled design 71 1

Discover our locations

Learn more