UK grid connection reform to unlock 65GW of utility-scale solar

By Molly Green and George Heynes
April 16, 2025
Facebook
Twitter
LinkedIn
Reddit
Email
A NextEnergy Capital project in the UK.
The grid connection reform could also unlock 7.6GW of battery energy storage system (BESS) capacity by 2030. Image: NextEnergy Capital.

UK energy regulator Ofgem has approved plans to remove so-called ‘zombie projects’ from the country’s grid connection queue, and streamline the connection process for renewable power projects that are most needed, which could trigger an increase in proposals for new PV projects in the UK.

The long-anticipated grid connection reforms were first put forward by the National Energy System Operator (NESO) with the aim of reducing the number of projects awaiting connection to the UK electricity grid.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

According to the Department for Energy Security and Net Zero (DESNZ), companies are currently waiting up to 15 years to be connected, with the length of the queue growing tenfold in the last five years.

Ofgem said that as of February 2025, 756GW worth of projects were in the queue, with 587GW at transmission and 178GW on the distribution network. These figures far exceed what is needed for either Clean Power 2030 (CP30) or net zero by 2050.

As such, the regulator has made good on its minded-to decision to approve the reforms. The details of how the new process will work are mostly unchanged from earlier this year.

The move is anticipated to be a major boon to the UK’s solar PV sector. According to a spokesperson from the energy regulator, Ofgem expects a sizeable increase in Gate 2 offers, from 39GW to 65GW. Trade association Solar Energy UK also believes the reformation of the grid connection queue is likely to spearhead utility-scale solar PV developments.

“Reforming the connections queue is critical to reaching Clean Power by 2030 and paving the way for the 60GW industry to deliver. While we welcome Ofgem’s announcement in principle, the government must ensure network operators do not impose arbitrary caps that disadvantage solar and battery storage,” Chris Hewitt, CEO of Solar Energy UK, said.

“Restricting viable projects would undermine the pipeline needed to achieve the government’s energy mission and contradicts its call to ‘choose Britain’ for investment.”

Read the full version of this story on our sister site, Solar Power Portal.

Read Next

November 14, 2025
Lightsource bp has started construction on its 330MWp Valle 3 and 4 project in Wamba, Valladolid, in the Castilla y Leon region of Spain. 
November 14, 2025
NSW has removed regulatory barriers that previously prevented owners of heritage-listed properties from installing rooftop solar.
November 13, 2025
Xcel Energy will have to provide higher-quality data, and introduce flexible tariffs, following a vote from the Colorado PUC.
November 13, 2025
Forget any preconceptions about solar power in the Nordics; the cold, seasonally dark region is fast becoming a solar success story, writes Annelie Westén.
Premium
November 12, 2025
PV Talk: Stefano N. Granata of STS discusses the growing momentum behind back contact cell technology as manufacturers and investors embrace higher-efficiency solutions.
November 7, 2025
Members of the European Parliament are urging the European Commission to restrict Chinese solar inverter manufacturers’ access to the bloc’s energy infrastructure, due to cybersecurity concerns.

Upcoming Events

Solar Media Events
November 25, 2025
Warsaw, Poland
Solar Media Events
December 2, 2025
Málaga, Spain
Solar Media Events
February 3, 2026
London, UK
Solar Media Events
March 24, 2026
Lisbon, Portugal
Solar Media Events
June 16, 2026
Napa, USA