North South Interconnector Project Documents
The North South interconnector will add a new 400 kV overhead line to the network. Find documentation for the project below.
The project
The North South Interconnector is a significant project for everyone in Northern Ireland. It will remove a costly bottleneck on the grid and improve our electricity supply.
Line route
Community and landowner documents
Information on the project plans, their impact and how we engage with local communities and landowners.
Public inquiry 2017
The Planning Appeals Commission (PAC) completed a public inquiry into the proposal in February 2017.
Consolidated environmental statement
Our environmental statement on the proposed North South Interconnector, including detailed technical environmental assessments. These deal with ecology, the local landscape and community, transport and socio-economic impacts.
An addendum followed this statement which you can see further down this page.
Volume 1: Non technical summary
Volume 2: Main text
Volume 3: Appendices
Volume 4: Figures
The links in this show a range of images related to figures references in the environmental statement's main text.
Consolidated environmental statement addendum - 2015
An addendum followed our initial environmental statement in 2015.
Further environmental information addendum - 2019
A further addendum followed our initial environmental statement in 2019. It concluded that there is no change to the environmental information previously submitted by SONI.