Britain’s electricity system operator is removing hundreds of stalled energy projects from the national grid queue in a sweeping overhaul aimed at speeding up the country’s clean-power transition. The reform will prioritise projects that are genuinely “shovel-ready,” helping clear a years-long bottleneck that has restricted investment and held back renewable generation.
Today, developers will learn whether their projects have been dismissed or placed on a fast-track schedule, with connection dates set either before 2030 or by 2035.
More than half of all queued projects are expected to be removed, making way for an estimated £40 billion worth of schemes that can realistically help deliver the government’s goal of a virtually zero-carbon power system within the decade.
End of “Zombie Projects”
The previous first-come, first-served connection model created a gridlock of proposals that lacked planning permission, financing or realistic timetables. Over five years, the queue ballooned tenfold to roughly 700GW about four times the generating capacity the UK is expected to need by 2030.
Many of the stalled schemes were speculative solar and battery projects that joined the queue early but failed to advance. Meanwhile, viable renewable projects capable of delivering clean electricity were left waiting up to 15 years for a grid connection.
Energy Secretary Ed Miliband criticised the old system, saying the reforms were needed to stop “zombie projects” from blocking progress. “We inherited a broken system,” he said. “This is a once-in-a-generation clean-up to prioritise the projects ready to help deliver clean power by 2030.”
New Delivery Pipeline for 2030
The grid queue will now be replaced with a structured delivery pipeline totalling 283GW of generation and storage capacity. Only projects that can demonstrate they are ready to build with land, permits and financing in place will stay in line.
According to the system operator:
- Almost half of the capacity targeted for 2030 will come from solar and battery projects.
- Around one-third will come from onshore and offshore wind farms.
- Only 3% of capacity scheduled for 2030 will be gas-fired generation.
Some high-demand users, including data centres, will be allocated grid capacity under looser requirements, reflecting their expanding footprint in the UK’s digital economy.
Chris Stark, chair of the government’s 2030 clean-power taskforce, called the overhaul “the single most important step” toward a modernised grid. “Queueing is a very British tradition,” he said, “but this queue has held back our economy. These reforms unlock the energy projects Britain needs at a pace we haven’t seen for decades.”
A Milestone Moment for UK Renewables
Monday also marks 25 years of UK offshore wind, beginning with the first turbines off the coast of Northumberland. Today, Britain’s 47 offshore wind farms supply 17% of the country’s electricity now the nation’s second-largest power source after gas and support around 40,000 jobs, according to analysis by the energy think tank Ember.
The alignment of long-term grid reform with the milestone anniversary signals a turning point for the UK’s clean-energy ambitions. As the government and industry attempt to accelerate wind, solar, battery storage and other renewables, grid access is emerging as one of the defining constraints and opportunities of the decade.
Clearer Path to a Zero-Carbon Grid
The success of Britain’s clean-power transition depends not only on building renewable energy projects but on connecting them to the grid quickly and reliably. By removing long-stalled proposals and prioritising viable ones, the UK aims to cut years off development timelines and strengthen energy security.
The reforms mark a significant cultural shift for the electricity system: no longer is a place in the queue guaranteed it must be earned through readiness and deliverability. For developers, communities and investors, the message is decisive: the UK intends to build a modern, zero-carbon power system at speed.

