SSEN Transmission has formally submitted appeals to the Scottish Government's Planning and Environmental Appeals Division following recent decisions by local authorities to block two key infrastructure projects.

The move follows the refusal of planning consent for the proposed Emmock 400kV substation by Angus Council and the Carnaig 400kV substation by The Highland Council.

These substations are viewed by the operator as vital components of a wider strategic investment programme designed to reinforce the electricity transmission network across the north of Scotland and Great Britain. The infrastructure is intended to facilitate the transport of homegrown renewable power, supporting energy security and clean power targets.

In both instances, the local councils' decisions to refuse consent overrode the recommendations of their own professional planning officers. Furthermore, the proposals had previously received no objections from internal consultees or key statutory agencies.

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The firm has indicated that similar appeals are expected shortly regarding the Hurlie and Fanellan substations. These projects were recently refused by Aberdeenshire Council and The Highland Council, respectively, also in opposition to recommendations for approval from planning staff.

Alison Hall, Director of Development at SSEN Transmission, commented: "Upgrading the electricity transmission network in the north of Scotland is essential if Scotland and the UK are to deliver on our energy security and clean power ambitions. The proposed Emmock and Carnaig substations have been carefully designed to help meet that need. Our planning applications are informed by extensive development work, detailed technical assessment and thorough engagement with key stakeholders, including local communities.

"In addition to supporting clean, affordable power, these projects would deliver wider economic benefits, supporting jobs and local businesses during construction and helping to underpin longer‑term investment and economic growth.

"We strongly believe that we have developed robust and policy‑compliant proposals. Submitting these appeals will allow the merits of the projects to be fully and fairly considered, and we remain committed to engaging constructively with local communities and stakeholders throughout the planning process."

Despite the ongoing legal appeals, SSEN Transmission will continue with pre-construction ground investigation works and site surveys. These activities, which include identifying site features and assessing ground conditions, are permitted under existing development rights. The company stated that progressing this work now ensures that, should consent be granted on appeal, the projects can proceed efficiently without further delay.

SSEN Transmission is responsible for the electricity transmission network in the north of Scotland, maintaining a vast infrastructure that serves a quarter of the UK's landmass.