Powering the Future of Energy

PROJECTS

Founded in 1998, ELLESFIELD LIMITED has been at the forefront of commissioning and installation activities and more recently HV plant and P&C design within HV and EHV substations. With nearly three decades of experience, we have successfully delivered projects across the Transmission, Distribution, and Renewable Energy sectors. 

Projects

  • Lackenby 400kV s/s :- Dogger Bank C :- Installation and commissioning of 400kV GIS bay extension to facilitate the connection connect of  a 1200MW
    offshore windfarm to the National Grid Transmission System
  • Greystones 275kV s/s :- BESS :- Installation of 275kV AIS busbars and reconfigure of existing 275kV bay to enable BESS connection to National Grid substation
  • Denmark :- THOR Offshore Windfarm :- Offshore Commissioning
  • Lackenby 400kV s/s :- Sofia:- commissioning of 400kV bay extension to facilitate the connection connect of  a 1400MW
    offshore windfarm to the National Grid Transmission System
  • Creyke Beck 400kV s/s :- Dogger Bank B :- commissioning of 400kV bay extension to facilitate the connection connect of  a 1200MW
    offshore windfarm to the National Grid Transmission System
  • Creyke Beck 400kV s/s :- Dogger Bank  A :- commissioning of 400kV bay extension to facilitate the connection connect of a 1200MW
    offshore windfarm to the National Grid Transmission System
  • Hutton 400kV s/s:- Provision of Series Compensation equipment and protection on the Harker 1 and Harker 2 circuits in the form of 2 sets of three phase Thyristor Control Series Capacitors (TCSC). This installation is the first of it’s type in the UK and will assist National Grid to accommodate increasing power transfers from Scotland to England.
  • Greystones ‘A’ & ‘B’ 275kV s/s:- 26 Bay Protection replacement including full substation software interlocking solution. New SCS system.
  • Skelton Grange 275kV s/s:- New 275kV Dead Tank circuit breaker including bushing CT’s. New 275kV Disconnecting Circuit Breaker (DCB) and protection including Point-on-Wave controller.
  • Ferrybridge ‘C’ 400/275kV s/s:- SGT1A replacement with a new 1100MVA unit and new line end Post CT’s.
  • Bushbury-Penn 275kV circuit,protection upgrade using NICAP philosophy.
  • Ferrybridge-Eggborough 400kV circuit, protection upgrade using NICAP philosophy.
  • Amersham Main-Iver1-East Claydon 400kV circuit, protection upgrade using NICAP philosophy.
  • 62MW Teesside Offshore Wind Farm :- 2 x 33/66kV transformers, 33kV switchgear and associated numerical protection relays.
  • Commissioning Engineer, Melgarve 400kV s/s :- New 10 Bay GIS s/s.
  • Commissioning Engineer, Melgarve 132kV s/s :- New 7 Bay GIS s/s.
  • Commissioning Engineer, Blackhillock 275kV s/s :- New 15 Bay AIS s/s.
  • Commissioning Engineer, Blackhillock 132kV s/s :- New 8 Bay AIS s/s.
+44 (0)7930 420657

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Partner with Ellesfield for design, M&E installation and commissioning services. 

+44 (0)7930 420657

Reach us by phone for immediate assistance.

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