About Us
Substation Design Applications Limited (SDA Ltd) is a private company formed in 2013 who provide reliable design, applications and customer support derived from over 35 years of combined experience and know how.
The business is located in ultra-modern, eco-friendly offices near Metrocentre, Gateshead.
What We Do
SDA Ltd performs secondary system engineering within MV, HV & EHV substations.
All ranges of projects can be catered for, from a simple protection refurbishment to complete substation engineering packages.
SDA Ltd utilises the latest CAD packages and all drawings, diagrams, documentation, etc. can be based on the clients own templates or on our standard SDA format.
Official Providers
Toshiba Support
Substation Design Applications Ltd are an approved and official provider of technical support for Toshiba protection and control products and systems.
Previous Projects
Project Design Drawings:
- Generator Protection Refurbishments:
Allt na Lairige 11kV
Cuaich 3.3/33kV
Deanie 11kV
Lubreoch 3.3/33kV - Crossaig 400/22kV Feeder/Transformer Protection
- Dunoon 132/33kV Substation
- Nostie Bridge 33/11kV Substation
- Reading Main 33kV Busbar Protection
- Channel Islands:
St. Helier West Feeder/Transformer Protection
La Collette Feeder Protection
Archirondel Feeder Protection
Queens Road Feeder/Transformer Protection
Rue de Pres Feeder Protection
Guernsey Subsea Link Protection - Tees Gas Protection & Control Refurbishment
- ConocoPhillips Protection & Control Refurbishment
- Envision AESC (Sunderland) Protection & Control Refurbishment
Protection & Control Wiring Diagrams:
- Alyth 400kV Substation
- Elstree 400/132kV Substation
- Greenlink Interconnector
- Islington 132kV Substation
- Kergord 132kV Substation
- Kinardochy 400/275kV Substation
- Knocknagael 275/132kV Substation
- Rothienorman 275/33kV Substation
- Rothienorman Synchronous Condenser
- Tomatin 275/132kV Substation
- Viking Link Interconnector
Get In Touch
Our Address is:
Substation Design Applications Ltd
Richard Annand House, Mandale Business Park,
Durham, DH1 1TH
Email: info@sda-limited.co.uk
Contacts: Gordon Main (Technical Director), Kelley Shearsmith (Business Manager)