Written questions by Medi.

What elements of the Warm Homes Plan will be delivered in Wales by (a) Local authorities and (b) Welsh Government.

All eligible households in England and Wales can benefit from the expanded Boiler Upgrade Scheme, funded with £2.7 billion to 2030. The Clean Heat Market Mechanism (CHMM) applies to the whole of the UK, as will round 2 of the Heat Pump Investment Accelerator Competition. The Heat Network Efficiency scheme is open to public, private and third sector grant applicants in England and Wales, and the Heat Network Market Framework also applies in Wales. New minimum energy efficiency standards in the private rented sector will help to lift households out of fuel poverty in England and Wales. The Government has also been actively engaging with the Welsh Government on the Warm Homes Agency since Spring 2025. The Agency will only operate in Wales with agreement from the Welsh Government, and discussions to secure this agreement are ongoing.

With reference to pages 37 and 38 of 'Improving the energy performance of privately rented homes: impact assessment', for what reason there is no specific data for Wales.

The analysis in the impact assessment is produced using the Department’s National Buildings Model, which is based on the English Housing Survey and therefore covers England only. The results are scaled to reflect the number of dwellings in Wales, with Wales assumed to follow the overall average. Further details on the modelling approach and the National Buildings Model are set out in Annex B of the Impact Assessment. The UK government has worked closely with the Welsh government to develop the policy.

How many privately rented properties in Wales are eligible for the property‑value adjustment exemption set out in the consultation response entitled Improving the energy performance of privately rented homes.

From 1 October 2030, private rented homes must meet the required standard of EPC C, or have a valid exemption registered, to be let. Government has committed to developing a property-value adjustment exemption for privately rented properties that are valued at less than £100,000. No properties are eligible for the property-value adjustment exemption until 1 October 2030. Once the exemption is in place, private rented sector properties in Wales valued under £100,000 will be subject to a lower maximum spend requirement. Further guidance on exemptions will be published in due course.

What assessment he has made of the potential impact of the cost of energy standing charges on households in North Wales.

We are committed to bearing down on the cost of standing charges and continue to work closely with the independent regulator, Ofgem, on this issue. As a result of action following the Autumn Budget, and shifting the recovery of the Warm Home Discount to unit rates, the average standing charge in the Price Cap from April to end June has come down by £13, and standing charges are lower now than in July 2024. In addition, on 25 February Ofgem announced the launch of a one-year, lower standing charge tariff pilot with some major suppliers, from April 2026. Through its Cost Allocation and Recovery Review, Ofgem has also been reviewing how fixed costs, which tend to be funded through standing charges, should be recovered in the future energy system. This includes whether those fixed costs could be recovered in more progressive ways.

What assessment his Department has made of the potential impact of lowering the landlord cost cap and introducing low property value exemptions for minimum energy efficiency standards on private renters in Wales.

Government’s response to the consultation on increasing the minimum energy efficiency standard for private rented homes was accompanied by the Department’s Impact Assessment. The assessment provides an estimated impact of the final policy based on a range of data available, including HM Land Registry and property price data available for Wales. The measures included in the final policy are intended to be proportional to help manage the burden placed on landlords and the impact on the rental market, whilst still delivering improved, warmer, cheaper to heat homes for private rented sector tenants.

Whether the Local Power Plan funding for projects in Wales will be delivered through the Internal Market Act.

Through the Local Power Plan, Great British Energy will invest up to £1 billion to support at least 1,000 local and community energy projects across the country by 2030. Funding for the Plan will be administered by Great British Energy. It will not be delivered through the Internal Markets Act. GBE will work with the devolved governments to complement existing support and identify new opportunities for collaboration.

What estimate he has made of the number of jobs that will be created by the (a) Awel Y Mor and (b) The Erebus Project will be based in Wales.

The Department has not made an assessment of the number of jobs that will be created by individual offshore wind projects. However, securing 8.4GW of offshore wind capacity in Contracts for Difference Allocation Round 7 has unlocked £22 billion in private investment and supports 7,000 skilled jobs in every corner of the country. The government estimates that the offshore wind sector could support up to 100,000 direct and indirect jobs in Great Britain by 2030. Wales is well placed to benefit, with its clean energy workforce expected to grow by around 110% by 2030 – equivalent to an increase of approximately 10,000 direct jobs from 2023 levels.

What estimate he has made of the number of off-grid homes in Wales that are not suitable for heat pump technology.

While we do not have a specific assessment for Wales, evidence shows heat pumps will work well in most off-gas grid homes. A home’s suitability to install a heat pump depends on several factors, including having sufficient internal and external space (for the heat pump unit, thermal store and larger radiators), the peak current draw of the grid connection, and the home’s peak heat loss. We have commissioned research on the costs of different approaches to decarbonising complex housing archetypes, including alternative low carbon heating solutions where required, and we expect to receive results in Spring 2026.

What steps his Department has taken to help support the decarbonisation of off-grid homes including the uptake of Hydrotreated Vegetable Oil in homes where heat-pump technology is not viable.

The Government launched a consultation on 18 November to explore alternative clean heating solutions that may play a role in some homes, including renewable liquid fuels (RLFs) such as hydrotreated vegetable oil.The consultation will run until 10 February.

With reference to table F of his Department's publication entitled Contracts for Difference Allocation Round 7: results, published on 14 January 2026, what is the total megawatt deployment capacity for (a) offshore wind and (b) floating offshore wind in Wales.

The total megawatt deployment capacity for fixed bottom offshore wind in Wales is 775 megawatts and 100 megawatts for floating offshore wind. These projects represent the first successful developments in Wales in over a decade.

What proportion of the £13.2 billion allocated to the Warm Homes Plan in the June Spending Review has been assigned to Wales; and what share of the £1.5 billion announced in the 2025 Autumn Budget has been allocated to Wales.

To ensure the bill savings from the transition to clean energy technologies are felt in all parts of the country, the different needs and approaches of the Devolved Governments will need to be recognised. The UK Government will continue to work closely with the Welsh Government and will publish the Warm Homes Plan soon.

How many homes in Wales have received measures under (a) Energy Company Obligation (b) Energy Company Obligation 1 (c) Energy Company Obligation 2 (d) Energy Company Obligation 3 and (e) Energy Company Obligation 4.

The number of unique households in Wales receiving measures under each Energy Company Obligation (ECO) phase between January 2013 and September 2025 is shown in the table below. Each property is counted when receiving an ECO measure for the first time under each phase. The total of 140,439 homes is lower than the sum of the phases as it shows the unique number of households receiving measures across the scheme. These data have been derived from the Household Energy Efficiency statistics publication where further details on the measures delivered can be found. Summary table All ECO schemes140,439ECO142,980ECO246,753ECO2 Help-to-Heat13,519ECO324,248ECO427,606

What discussions his Department has had with the Welsh Government on the Warm Homes Plan.

To ensure the bill savings from the transition to clean energy technologies are felt in all parts of the country, the different needs and approaches of the Devolved Governments will need to be recognised. The UK Government will continue to work closely with the Welsh Government and will publish the Warm Homes Plan soon.The Minister has been engaging with his Ministerial counterparts in the Welsh government regarding the Warm Homes Plan.

How much money has been spent in Wales on (a) Energy Company Obligation (b) Energy Company Obligation 1 (c) Energy Company Obligation 2 (d) Energy Company Obligation 3 and (e) Energy Company Obligation 4.

Estimated Energy Company Obligation (ECO) costs for Great Britain can be found in Table 5.1 of the latest Household Energy Efficiency Statistics Release. Figures for Wales are not available.

Whether the Welsh Government will receive Barnett consequentials from the Warm Homes Plan.

Calculating Barnett consequentials of the Government's spending commitments is the responsibility of HM Treasury. At almost £15 billion, the Warm Homes Plan is the single biggest public investment programme in energy efficiency in UK history. The Treasury has not yet confirmed the total Barnett consequential nor the specific appointment for Wales. More details on the Warm Homes Plan will be published soon. As issues of energy efficiency, fuel poverty and heat are largely devolved Scotland, Wales and Northern Ireland have specific Net Zero strategies. We work closely with our counterparts in the Devolved Governments to ensure our strategies align.

When the full Warm Homes Plan will be released.

The Warm Homes Plan, which will be published soon will lower bills, strengthen our energy security, and reduce emissions by accelerating the installation of efficient new technologies like heat pumps, heat networks, solar, home batteries and insulation. The Plan represents the biggest ever public investment in home upgrades. At the Autumn Budget on 26 November, the Chancellor announced an additional £1.5 billion of funding for the Warm Homes Plan, bringing total capital investment to almost £15 billion.

With reference to the funding increase by Great British Energy for renewable schemes in Wales announced on 10 December 2025, which body will be responsible for administering this funding to renewable schemes in Wales.

The Welsh Government will administer the additional funding provided by Great British Energy. This will fund solar panels for schools, leisure centres and museums across Wales, as well as supporting a new scheme which will help public sector and communities complete projects such as solar canopies and battery energy storage.

What assessment he has made of the potential impact of changing the inflation indexation in the Feed in Tariffs scheme from Retail Price Index to Consumer Price Index on (a) households and (b) businesses in Wales.

The Government has consulted on the proposed changes to how Feed-in Tariff payments are adjusted for inflation. The consultation included an analytical annex setting out the assessment of the potential impacts of the policy. An updated version of this will be published alongside a Government Response, next year.

What estimate he has made of the average price per kilowatt that businesses receive from suppliers when selling power to the grid under the Smart Export Guarantee compared to domestic households.

It is a commercial decision for suppliers as to how they choose to set export tariffs, and whether to treat domestic and business customers differently for the purpose of tariffs offered under the Smart Export Guarantee (SEG). Most suppliers offer SEG tariffs that are available to both domestic and business customers, but some do provide distinct tariff offerings. Details of the tariffs can be found in Ofgem’s SEG annual report. The latest report can be found at the SEG Smart Export Guarantee Annual Report - April 2024 to March 2025 | Ofgem

What assessment he has made of the impact of the current costs of energy standing charges on businesses in North Wales.

The Government has not made such an assessment specific to North Wales. Levels of standing charges in the non-domestic market are a commercial decision for suppliers and are not regulated by Ofgem as they are in the domestic market. Standing charges predominantly recover ‘fixed’ costs that do not vary by energy use. This includes supplier’s operational costs for serving each customer and the cost of essential network maintenance and upgrades, which are necessary to keep all consumers connected, minimise constraint costs, meet the capacity needed to deliver clean power by 2030, and help bring down bills for households and businesses for good. We know that too much of the burden of the bill is placed on standing charges, and we are committed to ensuring that standing charges are fair to all consumers. As part of this, Ofgem have launched a Cost Allocation and Recovery Review to consider how energy system costs can be recovered from consumers in a fairer and more efficient way and government will continue to engage closely with Ofgem on the work.