Electricity Capacity (Amendment) (No. 2) Regulations 2025

Baroness McIntosh of Pickering Excerpts

Wednesday 16th July 2025 Grand Committee

[Lord in Waiting/Government Whip (Lord Wilson of Sedgefield) (Lab)]

My Lords, these regulations were laid before the House on 3 June 2025.

I am most grateful for the opportunity to join this Committee’s proceedings today. This instrument seeks to make technical improvements and changes to the capacity market scheme, the Government’s main tool for ensuring security of electricity supply in Great Britain.

The Committee may recall that in December 2024, the Government published the clean power action plan, setting out that the capacity market must be reformed to provide clear and viable routes to decarbonisation for unabated gas, enable low-carbon flexible capacity, and incentivise investment in existing capacity. As set out in the clean power action plan, by 2030, unabated gas will account for less than 5% of total generation. However, we will need sufficient flexible capacity to meet system need, such as when renewables are not generating. While we continue to rely on unabated gas as the main mature, reliable technology capable of providing the flexibility needed to balance the system, we are committed to driving deployment of low-carbon alternatives and providing routes for unabated gas capacity to decarbonise in future. Before I turn to the provisions in greater detail, I will first outline some background to the capacity market.

Great Britain’s capacity market was introduced in 2014 and is designed to ensure that sufficient electrical capacity is available to meet future predicated demand, to maintain security of electricity supply. The capacity market is a well-established, technology-neutral scheme in which existing and new-build electricity capacity receive revenue based on capacity.

Participants secure agreements through auctions which require them to make capacity available at times of system stress. It is our main tool for ensuring security of electricity supply. It provides all forms of capacity with the right incentives to be on the system to deliver when needed. It covers generation, storage, consumer-led flexibility and interconnection capacity.

Through capacity market auctions, held annually, one year and four years ahead of delivery, the capacity needed to meet future peak demand under a range of scenarios is secured, based on advice from the capacity market delivery body—the National Energy System Operator.

Since its introduction in 2014, the capacity market has contributed to investment in just under 20 gigawatts of new, flexible capacity needed to replace older, less efficient plants as we transition to a net-zero economy. To date, the capacity market has been successful in ensuring that Great Britain has adequate electricity capacity to meet demand and continues to be required to maintain security of supply and provide investor confidence. To ensure that the capacity market continues to function effectively, regular adjustments are made to the implementing legislation, based on the day-to-day experiences of operating the scheme and wider developments in the energy sector.

This draft instrument makes changes to nine regulations to deliver technical improvements and changes that support the functioning of the capacity market which have been identified and explored through consultation. This will ensure that the regulations remain clear for market participants and that the legislation remains up to date to enable us to better deliver this security of supply mechanism.

The draft instrument does this by making several revocations to expired provisions relating to the scheme, which include revoking references to transitional auctions which are no longer applicable, the temporary standstill period which occurred in 2019, and time-limited relief given to scheme participants in relation to coronavirus.

The draft instrument will also introduce a new process to establish a decarbonisation pathway for unabated gas plants currently in long-term capacity market agreements. It will allow gas plants to exit their agreements without penalty and transfer to a dispatchable power agreement, facilitating conversion to gas-fired power with carbon capture and storage once the technology is available. This will better align the capacity market with the Government’s clean power objectives and provide gas plant operators with a future decarbonisation route for their assets.

The Government conducted two robust public consultations on the measures in this instrument. The first considered reforms to the capacity market to strengthen security of supply and enable flexible capacity to decarbonise. The second considered reforms to modernise the capacity market and improve the participation and delivery assurance of consumer-led flexibility. Both these government consultations were published towards the end of 2024.

Respondents were broadly supportive of the proposals included in the instrument. A number of technical amendments to the capacity market rules were consulted on at the same time as the regulations and have also been made. These support the implementation of the regulations for the capacity market and were laid before the House on 3 June 2025.

To conclude, this draft instrument introduces a number of technical changes that will enable the continued efficient operation of the capacity market, so that it can continue to deliver on its objectives. These reforms will be critical if we are to achieve clean power by 2030. They will improve security of supply by ensuring the modernisation of the capacity market and making the legislation as clear as possible for all scheme participants. They will also support decarbonisation of unabated gas and enable the rapid acceleration of low-carbon flexible capacity. I beg to move.

[Baroness McIntosh of Pickering (Con)]

My Lords, I have only one brief question in thanking the Minister for moving this statutory instrument so eloquently. In his opening remarks, he referred to the responses to the consultations, particularly the first. I quote paragraph 7.2 of the Explanatory Memorandum:

“42 responses were received from a variety of stakeholders… Respondents were broadly supportive of the proposals”.


In times gone by, responses to consultations were published on the internet; I do not know whether that is still the case. That the respondents were “broadly supportive” indicates that some of them were not supportive. Can the Minister clarify? I just wonder what criticism there was and for what reason, if any, the Government did not revise the statutory instrument in any way. Otherwise, they are very sensible regulations, and I support them.

[Baroness Coffey (Con)]

My Lords, I have a couple of quick questions for the Minister. I completely understand why trying to move off gas is a clear policy of the Government, as reaffirmed in its recent 2030 plan. However, gas is, without doubt, the cheapest way of heating a home. I want to get an understanding of what financial impact this is likely to have on household bills. I could not see anything in the accompanying notes. My sense is that it is good news for trying to get away from gas as a source, but bad news for households in the costs of heating their home and food.