Our Engineering Justification Papers (EJPs) set out the scope, technical need, options assessed, costs and benefits for our proposed investment programmes.

These engineering justification papers cover proposed investments which are required for improving the asset health of our network (Core non-load works), increasing the load capacity of our network to accommodate new generation connecting to the system (Load related works) and both direct and indirect network operations which relates to activities we undertake for the day to-day operation and maintenance of our network, Asset Management, network control room and operational training (Non-core non-load works).

Black Start System Restoration Justification Paper

Black Start System Restoration Justification Paper
File Type: pdf
Published: 09 Jan 2020

Climate Change and Sustainability Justification Paper

Climate Change and Sustainability Justification Paper
File Type: pdf
Published: 09 Jan 2020

Persistent Organic Pollutants Management Justification Paper

Persistent Organic Pollutants Justification Paper
File Type: pdf
Published: 09 Jan 2020

Protection Modernisation Justification Paper

Protection Modernisation Justification Paper
File Type: pdf
Published: 09 Jan 2020

Transmission Communications Upgrade Justification Paper

Transmission Communications Upgrade Justification Paper
File Type: pdf
Published: 09 Jan 2020

Transmission Substation SCADA Replacement Justification Paper

Transmission Substation SCADA Replacement Justification Paper
File Type: pdf
Published: 09 Jan 2020

Substation Resilience – Low Voltage Supplies Justification Paper

Substation Resilience – Low Voltage Supplies
File Type: pdf
Published: 09 Jan 2020

Resilience – Personnel Communications Justification Paper

Resilience – Personnel Communications Justification Paper
File Type: pdf
Published: 09 Jan 2020

Emergency Response & Contingency Planning Justification Paper

Emergency Response & Contingency Planning Justification Paper
File Type: pdf
Published: 09 Jan 2020

Physical Site Security Justification Paper

Physical Site Security Justification Paper
File Type: pdf
Published: 09 Jan 2020

Integrated Condition & Performance Monitoring Justification Paper

Integrated Condition Performance Monitoring Justification Paper
File Type: pdf
Published: 09 Jan 2020

Materials Management and Warehousing Justification Paper

Materials Management and Warehousing Justification Paper
File Type: pdf
Published: 09 Jan 2020

Operational Expenditure Justification Paper

Operational Expenditure Justification Paper
File Type: pdf
Published: 09 Jan 2020

Operational Strategic Spares Justification Paper

Operational Strategic Spares Justification Paper
File Type: pdf
Published: 09 Jan 2020

North East 400kV Justification Paper

North East 400kV Upgrade Justification Paper
File Type: pdf
Published: 09 Jan 2020

East Coast Onshore 400kV Upgrade Justification Paper

East Coast 400kV Upgrade Justification Paper
File Type: pdf
Published: 09 Jan 2020

East Coast Onshore 275kV Upgrade Justification Paper

East Coast 275kV Justification Paper
File Type: pdf
Published: 09 Jan 2020

Broadford Substation Works Justification Paper

Broadford Substation Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Elmwood - Glenagnes Cable Works Justification Paper

Elmwood - Glenagnes Cable Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Redmoss - Clayhills Cable Works Justification Paper

Redmoss Substation Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Port Ann - Crossaig 132kV OHL Works Justification Paper

Port Ann - Crossaig 132kV OHL Justification Paper
File Type: pdf
Published: 09 Jan 2020

Kinardochy Reactive Compensation Justification Paper

Kinardochy Reactive Compensation Justification Paper
File Type: pdf
Published: 09 Jan 2020

Glenshero Connection Works Justification Paper

Glenshero Connection Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Sloy - Windyhill East 132kV OHL Works Justification Paper

Sloy - Windyhill East 132kV OHL Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Sloy - Windyhill West 132kV OHL Works Justification Paper

Sloy - Windyhill West 132kV OHL Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Sloy Substation Works Justification Paper

Sloy Substation Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Whistlefield - Dunoon 132kV OHL Works Justification Paper

Whistlefield - Dunoon 132kV OHL Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Redmoss Substation Works Justification Paper

Redmoss Substation Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Tealing Substation Works Justification Paper

Tealing Substation Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Willowdale Substation Works Justification Paper

Willowdale Substation Justification Paper
File Type: pdf
Published: 09 Jan 2020

Kilmorack Aigas Substation Works Justification Paper

Kilmorack & Aigas Substation Justification Paper
File Type: pdf
Published: 09 Jan 2020

Beauly Substation Works Justification Paper

Beauly Substation Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Beauly / Aigas-Deanie 132kV OHL Works Justification Paper

Beauly - Aigas - Deanie 132kV OHL Justification Paper
File Type: pdf
Published: 09 Jan 2020

Culligran Substation Works Justification Paper

Culligran Substation Justification Paper
File Type: pdf
Published: 09 Jan 2020

Deanie Substation Works Justification Paper

Deanie Substation Justification Paper
File Type: pdf
Published: 09 Jan 2020

Foyers Substation Works Justification Paper

Foyers Substation Justification Paper
File Type: pdf
Published: 09 Jan 2020

Glenmoriston Substation Works Justification Paper

Glenmoriston Substation Justification Paper
File Type: pdf
Published: 09 Jan 2020

Invergarry T 132kV OHL Works Justification Paper

Invergarry T 132kV Justification Paper
File Type: pdf
Published: 09 Jan 2020

Quoich Tee Substation Works Justification Paper

Quoich Tee Substation Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

St Fillans Substation Works Justification Paper

St Fillans Substation Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Tummel Bridge Substation Works Justification Paper

Tummel Bridge Substation Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Keith Substation Works Justification Paper

Keith Substation Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Kintore Substation Works Justification Paper

Kintore Substation Works Justification Paper
File Type: pdf
Published: 09 Jan 2020

Harris - Stornoway 132kV OHL Works Justification Paper

Harris-Stornoway 132kV OHL Justification Paper
File Type: pdf
Published: 09 Jan 2020

St Fergus Mobil Justification Paper

St Fergus Mobil Justification Paper
File Type: pdf
Published: 09 Jan 2020

Moray West Offshore Windfarm Justification Paper

Moray West Offshore Windfarm Justification Paper
File Type: pdf
Published: 09 Jan 2020

Peterhead Substation Works Justification Paper

Peterhead Substation Justification Paper
File Type: pdf
Published: 09 Jan 2020

Peterhead - Inverugie 132kV OHL Works Justification Paper

Peterhead - Inverugie 132kV OHL Justification Paper
File Type: pdf
Published: 09 Jan 2020

Tealing 275kV Busbar Justification Paper

Tealing 275kV Busbar Justification Paper
File Type: pdf
Published: 09 Jan 2020

East Coast Onshore Transmission Investment Case

East Coast Onshore Transmission Investment Case
File Type: pdf
Published: 09 Jan 2020

Skye Overhead Line Reinforcement Strategy

Skye Overhead Line Reinforcement Strategy
File Type: pdf
Published: 09 Jan 2020

CBA Overview

CBA Overview
File Type: pdf
Published: 10 Jan 2020