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NESO’s clean energy planning revolution approved by Ofgem

Maximilian Schwerdtfeger
Written By
Published on 16 April 2025
  • Overhaul will make it easier to get big energy projects connected
  • The UK currently has 750 GW of plans waiting for approval
  • Octopus Energy praises regulator’s plans
National Grid pylons against a sunset

NESO’s plans to speed up energy projects getting connected have been approved

The National Energy Systems Operator (NESO) has had its plans to speed up approval for clean energy projects approved by Ofgem.

In a statement, NESO described the decision to approve the ‘CMP446: Increasing the lower threshold in England and Wales for Evaluation of Transmission Impact Assessment (TIA)’ as a “landmark step towards a clean energy future”.

It put forward a recommendation in 2024 to increase the TIA threshold from 1MW to 5MW, meaning that more projects will be approved without going through an additional and lengthy process to measure their impact on the national grid. 

This threshold of 5MW will also be monitored according to the country’s needs and may be increased again. 

Combined with the government’s plans to speed up approval of energy projects through a ‘first read, first connected’ strategy, this latest overhaul of the UK’s energy infrastructure has the potential to accelerate the country’s net-zero plans. 

NESO said that it “highlights a collective commitment to get clean viable energy projects connected to power our businesses and our homes”.

The group said its proposals are designed to process the 750GW of projects currently waiting to be connecting. This number is four times what the UK needs by 2030 and twice what it needs by 2050.

Responding to the news, Zoisa North-Bond, CEO of Octopus Energy Generation, praised Ofgem for “tackling one of the biggest blockers to Britain’s clean energy future and putting shovel ready renewables on the fast track. 

“For too long, vital renewable projects have been stuck in a broken system that rewarded position over progress,” North-Bond commented. 

“Today, more than 3,500 renewable energy projects are stuck in the grid queue – many ready to build, but facing wait times of up to 15 years just to connect. 

“This reform will make the system more efficient, remove the need for unnecessary new pylons, and slash bills for consumers and businesses across the country.”

Jess Ralston, analyst at the Energy and Climate Intelligence Unit (ECIU) described improving grid connections as “essential” for achieving energy independence and making the UK less dependent on foreign imports.

“Every wind farm we connect in the North Sea means less imported gas from abroad,” Ralston commented.

By removing projects that may never go ahead, businesses can “start making the most of the UK’s renewables quicker”.

The resulting price stability, Ralston said, would “get Britain off gas and away from the influence of foreign actors like Putin”.

Written by

Maximilian Schwerdtfeger

Max joined The Eco Experts as content manager in February 2024. He has written about sustainability issues across numerous industries, including maritime, supply chain, finance, mining, and retail. He has also written extensively for consumer titles like City AM, The Morning Star, and The Daily Express.

In 2020, he covered in detail the International Maritime Organisation’s (IMO) legislation on sulphur emissions and its effects on the global container shipping market as online editor of Port Technology International.

He also explored the initiatives major container ports and terminals have launched in order to ship vital goods across the world without polluting the environment.

Since then, he has reported heavily on the impact made by environmental, social, and governance (ESG) practices on the supply chain of minerals, with a particular focus on rare earth mining in Africa.

As part of this, in 2022 Max visited mines and ports in Angola to hone in on the challenges being faced by one of the world’s biggest producers of rare earth minerals.

His most recent sustainability-related work came much closer to home, as he investigated the eco-challenges faced by independent retailers in the UK, specifically looking at how they can cut emissions and continue to thrive.

Max lives in South London and is an avid reader of books on modern history and ghost stories. He has also recently learned to play the game Mahjong and takes every opportunity to do so. He is also yet to find a sport he doesn’t enjoy watching.

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