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Energy network price controls

RIIO-2 Re-opener: Scottish and Southern Electricity Network's 2024 Skye-Uist Project

Final Determinations on RIIO-2 re-opener applications 2024: Electricity Transmission, Electricity Distribution and Gas Distribution

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We are seeking views on our draft determination on Scottish and Southern Electricity Network’s RIIO-2 Re-opener Skye-Uist project.

Who should respond

We particularly welcome responses from those with an interest in electricity transmission and distribution networks. We also welcome responses from other stakeholders and the public.

Background

We introduced the Hebrides and Orkney Re-opener for Scottish and Southern Electricity Network to request additional funding for the costs associated with the outcomes of additional whole system analysis in the Scottish Islands to contribute to net zero carbon targets and ensure long-term security of supply to the Hebrides and Orkney islands in Scotland.  

We proposed in the draft determination on RIIO-2 Re-opener Applications 2024 to take a phased assessment approach for the Skye-Uist project by accepting the updated cost information in July 2024 and we are now consulting on the draft determination.

Why your views matter

Your responses will help us to guide our assessment of the Skye-Uist project for our final determination.

Respond name

Sai Wing Lo

Respond telephone

[020 7901 1832](tel:020 7901 1832)

Respond email

reopenerconsultations@ofgem.gov.uk

Main document

[RIIO-2 Re-opener applications 2024 draft determinations Skye Uist [PDF, 360.97KB]

](https://www.ofgem.gov.uk/sites/default/files/2025-01/RIIO-2_Re_opener_applications_2024_draft_determinations_Skye_Uist.pdf)

Response documents

[SSEN Redacted consultation response [PDF, 318.82KB]

](https://www.ofgem.gov.uk/sites/default/files/2025-04/SSEN-response-Ofgem-DD-on-Skye-South-Uist-project-REDACTED.pdf)

[South Uist Renewable Energy non-confidential consultation response [PDF, 231.09KB]

](https://www.ofgem.gov.uk/sites/default/files/2025-04/South-Uist-Renewable-Energy-Ltd-Response-to-Ofgem-Consultation.pdf)

[MP Torcuil Crichton non-confidential consultation response [PDF, 217.37KB]

](https://www.ofgem.gov.uk/sites/default/files/2025-04/MP-Torcuil-Crichton-non-confidential-consultation-response-Redacted.pdf)

[Local Authority for the Outer Hebrides non-confidential consultation response [PDF, 130.79KB]

](https://www.ofgem.gov.uk/sites/default/files/2025-04/Local-Authority-for-the-Outer-Hebrides-non-confidential-consultation-response.pdf)

[CES non-confidential consultation response [PDF, 132.80KB]

](https://www.ofgem.gov.uk/sites/default/files/2025-04/CPOH-Response-Ofgem-Draft-Determinations-on-Skye-South-Uist-project.pdf)

Final Determinations on RIIO-2 re-opener applications 2024: Electricity Transmission, Electricity Distribution and Gas Distribution

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