BASECAMP
EIP157

Making the Most of Dynamic Line Rating (DLR) Beyond Overhead Lines (EIP157)

We are supporting our partners SSEN Transmission as part of the 2026 Energy Innovation Basecamp.

Innovative people and businesses are invited by the Energy Networks Association (ENA) to propose ideas and solutions to solve problems suggested by Britain’s electricity and gas networks.

If you would like our support in submitting your application, please contact us.

Please note the deadline for this opportunity is 13 March 2026.

What’s the Problem?

Dynamic Line Rating (DLR) enhances the utilisation of OHL capacity, however this may be limited by the capacity of other interconnected network assets. How can we reduce this limitation?

What is Required?

There is a need for a baseline understanding of the life of existing transformer assets as a starting point.  This will inform solutions that remove the normal capability limit (NCL) rating limitation of non-OHL assets, to release higher capability of DLR.  The Technology Readiness Level is not limited.  Scalable solutions are sought, for deployment across the network, including automation feature to minimise manual workload.

What are the Constraints?

The solution must maximise the use of existing data sources and initially avoid the addition of new monitoring.

  • Phase 1: Solutions intended to be non-invasive to expedite benefit quicker, minimising the addition of active monitoring
  • Phase 2: Longer term solution could be more sophisticated.

Who are the Key Players?

Key stakeholders are TOs, DNOs, NESO. Consumer benefit (reduced constraint costs), User benefit (higher load factor), Developer benefit (reduced connection costs and/or earlier connections).

Does the Problem Build on Existing or Previous Projects?

Builds on Dynamic Line Rating projects for OHL assets, including SSEN-T’s North of Beauly DLR innovation project – Leading the way on dynamic line rating – SSEN Transmission

The System Access Reform initiative, in response to the Electricity Commissioner’s report, frames the importance and context of reducing system operation costs for NESO and the end consumer, whilst simultaneously facilitating network upgrades to achieve Pathway to 2030 objectives.  The DSR project will therefore require collaboration with NESO and will be reliant on a refreshed ratings management system to fully utilise dynamic data for maximum benefit.

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