Asked by: Connor Naismith (Labour - Crewe and Nantwich)
Question to the Department for Energy Security & Net Zero:
To ask the Secretary of State for Energy Security and Net Zero, what assessment his Department has made of the potential impact of introducing zonal electricity pricing on (a) consumer energy bills in regions with high renewable generation, such as those with significant offshore wind capacity, (b) the cost to the public purse of constraint payments to wind generators and (c) future private-sector investment in energy infrastructure in areas of high demand, including the South East.
Answered by Michael Shanks - Minister of State (Department for Energy Security and Net Zero)
In July 2025, we announced that we would not be implementing zonal pricing as part of the Review of Electricity Market Arrangements (REMA) and had decided instead to retain a single Great Britain wide wholesale electricity market. We plan to set out the potential impact of zonal pricing − with respect to areas such as consumers, generators and investment, including South East England – in the REMA Cost Benefit Analysis (CBA), which will be published later this year.
Asked by: James McMurdock (Independent - South Basildon and East Thurrock)
Question to the Department for Energy Security & Net Zero:
To ask the Secretary of State for Energy Security and Net Zero, what recent assessment he has made of the impact of curtailment payments on average household energy bills in 2025.
Answered by Michael Shanks - Minister of State (Department for Energy Security and Net Zero)
This information can be found in the NESO Annual Balancing Report, the next of which will be published later this year. The most recent NESO Annual Balancing Report was published in June 2025, covering the 2024/25 financial year, and can be found via this link: neso.energy/document/362561/download
Asked by: James McMurdock (Independent - South Basildon and East Thurrock)
Question to the Department for Energy Security & Net Zero:
To ask the Secretary of State for Energy Security and Net Zero, what lessons his Department has learnt from other countries that have reduced curtailment while expanding renewables.
Answered by Michael Shanks - Minister of State (Department for Energy Security and Net Zero)
We use evidence from comparable countries to support our decision making and policy thinking on curtailment. Constraint payments are a natural part of operating an electricity system and are used in many countries such as Italy, Spain, Germany and Denmark. However, the current extent of grid constraints reflects years of underinvestment, with new network infrastructure development having lagged the expansion of new generation. We’re finally changing that, with the biggest upgrade to Great Britain’s electricity network in decades, which will minimise both curtailment and constraint costs, and help deliver clean power by 2030.
Asked by: Lord Truscott (Non-affiliated - Life peer)
Question to the Department for Energy Security & Net Zero:
To ask His Majesty's Government what types of building will be exempt from the proposed new energy performance certificate standards for rental properties.
Answered by Lord Whitehead - Minister of State (Department for Energy Security and Net Zero)
The private rented sector minimum energy efficiency standard regulations apply to all privately rented homes that are let on specific types of tenancy agreement and legally required to have an Energy Performance Certificate. There are a number of exemptions available through the current regulations. We recently consulted on the suitability of current exemptions and will make some amendments and additions to improve the exemptions regime when the new standard applies.
Asked by: Dan Norris (Independent - North East Somerset and Hanham)
Question to the Department for Energy Security & Net Zero:
To ask the Secretary of State for Energy Security and Net Zero, what assessment has the department made of the potential impact of the government’s Warm Homes Plan on levels of fuel poverty in North East Somerset and Hanham.
Answered by Martin McCluskey - Parliamentary Under Secretary of State (Department for Energy Security and Net Zero)
DESNZ’s annual sub-regional fuel poverty statistics estimate the rates of fuel poverty in constituencies within England, and will therefore reflect the impacts of the Warm Homes Plan in time.
The Department will publish monitoring statistics and evaluation of policies announced in the Warm Homes Plan. DESNZ currently publishes statistics covering the uptake and impacts of energy efficiency measures here.
Asked by: James McMurdock (Independent - South Basildon and East Thurrock)
Question to the Department for Energy Security & Net Zero:
To ask the Secretary of State for Energy Security and Net Zero, what recent estimate his Department has made of the proportion of curtailment costs borne by domestic consumers.
Answered by Michael Shanks - Minister of State (Department for Energy Security and Net Zero)
Data relating to curtailment caused by constraints including costs is provided in the National Energy System Operator (NESO) Annual Balancing Report at this link: neso.energy/document/362561/download. Constraint costs, as with other interventions taken by NESO to balance the electricity system, are recovered from consumers through Balancing Service Use of System Charges. Both domestic and non-domestic consumers pay these balancing costs, in proportion to their energy consumption. Although the most energy intensive industries receive additional support with these costs.
The current extent of grid constraints reflects years of underinvestment, with new network infrastructure development having lagged the expansion of new generation. We are already taking action to reduce constraints with the biggest upgrade to Great Britain’s electricity network in decades.
Asked by: James McMurdock (Independent - South Basildon and East Thurrock)
Question to the Department for Energy Security & Net Zero:
To ask the Secretary of State for Energy Security and Net Zero, what estimate his Department has made of curtailment costs to electricity billpayers in 2026.
Answered by Michael Shanks - Minister of State (Department for Energy Security and Net Zero)
Data on the aggregate impact of curtailment payments to electricity billpayers is calculated by the National Energy System Operator (NESO) and can be found in NESO Annual Balancing Report, the next of which will be published later this year. The most recent NESO Annual Balancing Report was published in June 2025, covering the 2024/25 financial year, and can be found via this link: neso.energy/document/362561/download
Asked by: James McMurdock (Independent - South Basildon and East Thurrock)
Question to the Department for Energy Security & Net Zero:
To ask the Secretary of State for Energy Security and Net Zero, what the expected completion dates are for major new transmission projects intended to reduce renewable curtailment.
Answered by Michael Shanks - Minister of State (Department for Energy Security and Net Zero)
The Clean Power Advice to Government, published by the National Energy System Operator in 2024 set out the list of over 80 transmission projects needed to meet Clean Power 2030, and their required delivery dates. These projects will alleviate curtailment and allow more renewable power to serve homes and businesses across the country. Updates on the expected completion dates of these projects is a matter for the Transmission Owners which design, run and build the high voltage network.
Asked by: Perran Moon (Labour - Camborne and Redruth)
Question to the Department for Energy Security & Net Zero:
To ask the Secretary of State for Energy Security and Net Zero, what proportion of funding in the consolidated low income household energy efficiency scheme will be allocated to (a) private sector homes and (b) social housing properties.
Answered by Martin McCluskey - Parliamentary Under Secretary of State (Department for Energy Security and Net Zero)
The Government’s Warm Homes Plan includes £5 billion targeted investment for home upgrades for low-income and fuel poor households. This will initially be delivered via the Warm Homes: Social Housing Fund (WH:SHF) and the Warm Homes: Local Grant (WH:LG), which support social housing tenants and low-income homeowners respectively. The WH:SHF has been allocated up to an extra £295 million for 2026/27, in addition to the £1.3billion previously committed. £500 million has been allocated for the WH:LG.
From 2027/28 onwards the Government intends to integrate these schemes into a single low-income capital scheme, shifting towards area-based delivery. The Government will say more about the evolution of our low-income schemes in Spring 2026.
Asked by: James McMurdock (Independent - South Basildon and East Thurrock)
Question to the Department for Energy Security & Net Zero:
To ask the Secretary of State for Energy Security and Net Zero, how often gas-fired power stations were used to replace curtailed renewable generation in 2025.
Answered by Michael Shanks - Minister of State (Department for Energy Security and Net Zero)
The Department does not hold the requested information. It is owned by NESO and published on the Elexon data portal.