Visual Amenity

As part of the RIIO1 price control, we introduced a new policy for electricity transmission owners (TO) to reduce the visual impact of pre-existing infrastructure in nationally designated areas. The policy applies to infrastructure in the following designated areas: National Parks, Areas of Outstanding Natural Beauty and National Scenic Areas.

The expenditure cap for all mitigation projects that come forward under the scheme during the RIIO-T1 price control is £500 million (2009/10 prices) in total.

A TO can propose a new mitigation project to deliver a new enhancing pre-existing infrastructure (EPI) output and request funding for these under its price control.

Before a TO can request funding for new EPI projects, it must have in place a policy in relation to methods of working with stakeholders to select projects in its respective transmission areas.

All projects submitted as part of the EPI output under the RIIO1 price control can be found under this page.

Publications and updates

  • Published: 15th Oct 2019
  • Decisions
  • 2 Associated documents
Ofgem has published its determination on SHE Transmission’s Loch Tummel National Scenic Area mitigation project under the RIIO-T1 provisions for enhancing pre-existing infrastructure in National Parks and National Scenic Areas.

  • Published: 6th Aug 2019
  • Decisions
  • 2 Associated documents
Direction notice to modify National Grid’s electricity transmission licence for new outputs to reduce the impact of pre-existing transmission lines in nationally designated landscapes.

  • Published: 10th Jul 2019
  • Decisions
  • 1 Associated documents
This notice under Part C of Special Condition 6G of the electricity transmission licence directs modifications to SHE Transmission's licence

  • Published: 28th Jun 2019
  • Decisions
  • 2 Associated documents
Determination letter on National Grid’s request for new outputs to reduce the impact of pre-existing transmission lines in nationally designated landscapes.

  • Published: 28th May 2019
  • Decisions
  • 2 Associated documents
Ofgem has published its determination on SHE Transmission’s Cairngorms National Park mitigation project under the RIIO-T1 provisions for enhancing pre-existing infrastructure in National Parks.

  • Published: 28th Feb 2019
  • Closed: 29th Mar 2019
  • Consultations and responses
  • 8 Associated documents
We are be seeking your views on our assessment of Scottish Hydro Electric Transmission’s (SHE Transmission) proposal for reducing visual amenity impacts in the Cairngorms National Park

  • Published: 15th Feb 2019
  • Decisions
  • 2 Associated documents
Direction notice to modify National Grid’s electricity transmission licence for new outputs to reduce the impact of pre-existing transmission lines in nationally designated landscapes.

  • Published: 31st Jan 2019
  • Reports and plans
  • 1 Associated documents
Ofgem has published a stocktake on the policies in the current RIIO-ET1 electricity transmission price control for transmission infrastructure and visual amenity.

  • Published: 9th Jan 2019
  • Decisions
  • 2 Associated documents
Determination letter on National Grid’s request for new outputs to reduce the impact of pre-existing transmission lines in nationally designated landscapes.

  • Published: 4th Jan 2019
  • Decisions
  • 1 Associated documents
This notice under Part C of Special Condition 6G of the electricity transmission licence directs modifications to National Grid’s licence in relation to National Grid’s Dorset Area of Outstanding Natural Beauty (AONB) mitigation project.

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