Ofgem Consultation: Denny to Wishaw 400kV Reinforcement Project Early Construction Funding

UK Ofgem Publications & Decisions

Published March 17th, 2026

Detected March 17th, 2026

Summary

Ofgem has opened a consultation regarding an Early Construction Funding (ECF) application from Scottish Power Transmission Plc for the Denny to Wishaw 400kV Reinforcement Project. The consultation seeks views on the project's funding under the Accelerated Strategic Transmission Investment (ASTI) framework.

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What changed

Ofgem is seeking public consultation on Scottish Power Transmission Plc's application for Early Construction Funding (ECF) for the Denny to Wishaw 400kV Reinforcement Project, under the Accelerated Strategic Transmission Investment (ASTI) framework. This consultation outlines the assessment, scope, and questions related to the ECF application, with a minded-to position to be considered after the consultation period.

Interested parties, including consumer groups, affected stakeholders, and those concerned with electricity transmission costs, are invited to submit their views by April 15, 2026. The consultation aims to gather feedback on the project's potential impact on meeting net zero targets and competition in onshore transmission networks. Responses should be sent to transmission.acceleration@ofgem.gov.uk.

What to do next

Review the consultation document regarding the Denny to Wishaw 400kV Reinforcement Project ECF application.
Submit feedback and views on the application by the closing date of April 15, 2026.
Consider the implications of early construction funding on transmission infrastructure costs and net zero targets.

Source document (simplified)

Denny to Wishaw 400kV Reinforcement Project: Early Construction Funding

Publication type: Consultation Publication date:

17 March 2026

Closing date: 15 April 2026 Status: Open Topic: Electricity transmission Subtopic: Accelerated Strategic Transmission Investment (ASTI) Get emails about this page Print this page

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Our minded-to position on the Early Construction Funding application submitted by Scottish Power Transmission Plc for the Denny to Wishaw 400kV Reinforcement Project

Consultation description

This consultation sets out our Early Construction Funding assessment of Scottish Power Transmission Plc's (SPT’s) Early Construction Funding (ECF) application for the Denny to Wishaw 400kV Reinforcement Project (DWNO) under the Accelerated Strategic Transmission Investment (ASTI) re-opener.

This document outlines the scope, purpose, and questions of the consultation and how you can get involved. Once the consultation is closed, we will consider all responses.

Who should respond

We would like views from people with an interest in new transmission infrastructure, meeting the net zero challenge, and competition in onshore transmission networks.

We particularly welcome responses from consumer groups, stakeholders impacted by the projects, stakeholders with an interest in the costs of electricity transmission infrastructure, and transmission owners.

We would also welcome responses from other stakeholders and the public.