Tandragee Main 275/110KV Substation – Installation of a new 110KV AIS bay – Part 2

The first large scale 50MW connections of battery storage systems in Northern Ireland.

Knox Electrical project for NIE Networks consisted of the installation of a new 110KV bay within the existing Tandragee 275/110KV substation, and the installation of a further new 110KV substation at Mullavilly.

Photos that follow show final primary connections made onto the 110KV CSE’s within Tandragee Main.

Installation of selector isolator and maintenance earth switch

Installation and wiring of circuit breaker