Substation

June 9, 2025

£8.4 million substation upgrade boosts grid capacity

Distribution network operator (DNO) SP Energy Networks has completed a multi-million pound upgrade of the Kilmarnock Town substation in order to boost grid capacity in Scotland.

June 2, 2025

National Grid to build new substation in Buckinghamshire to support data centres

National Grid has begun work on a new substation in Uxbridge Moor, as part of its planned £35 billion transmission investment between 2026-2031.

March 13, 2025

SSEN Transmission submits planning application for 400kV Fanellan substation

SSEN Transmission has submitted a planning application to The Highland Council for a proposed substation and converter station project.

February 20, 2024

SSEN energises 275kV substation in Alyth

Energy supplier Scottish and Southern Electricity Networks (SSEN) Transmission has energised a 275kV substation in Alyth.

The net zero substation incorporates solar technology. Image: Electricity North West.

December 20, 2023

DNO completes Lancashire’s ‘first’ net zero substation

Distribution network operator (DNO) Electricity North West has completed the development of Lancashire’s “first” net zero substation.

SF6 has a global warming potential that is 25,200 times greater than CO2. Image: UKPN.

November 10, 2023

Smart meter data informs substation upgrade investments

UK Power Networks’ (UKPN) disaggregated smart data trial has informed future substation resiliency upgrades.

Planning consent has also been granted for Eastern Green Link 2. Image: SSEN.

July 17, 2023

Ofgem gives final approval for Orkney undersea transmission link

SSEN Transmission has welcomed the decision by Ofgem to give final approval to provide a subsea transmission link to the Orkney Islands.

A map of proposed connections for National Grid's East Anglia GREEN project. Image: National Grid

June 26, 2023

National Grid consults on proposals for new 180km electricity network in East Anglia

National Grid has opened a public consultation on electricity network upgrades In East Anglia as part of the Great Grid Upgrade project.

January 12, 2023

National Grid completes 10-week trial of hydrogen-powered generator

National Grid has completed a ten-week trial test of a hydrogen-powered generator at a 400kV modified substation.

National Grid to integrate SF6-free technology for £1 billion LPT project. Image: National Grid.

January 3, 2023

National Grid to integrate SF6-free technology for £1 billion London grid upgrade

National Grid is set to integrate green technology to reduce the use of sulphur hexafluoride (SF6) from the £1 billion London Power Tunnels (LPT) project.

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