The Department for Energy Security and Net Zero (DESNZ) has published a letter from the Secretary of State for Energy Security and Net Zero, Ed Miliband, to the Climate Change Committee (CCC), seeking advice and guidance on various aspects of the UK's 2035 Nationally Determined Contribution.

The Department for Energy Security and Net Zero (DESNZ) has published a joint letter from the Secretary of State for Energy Security and Net Zero, Ed Miliband, and Chris Stark, who has been appointed to lead the new Mission Control centre tasked with delivering clean power by 2030, to the Director of the Electricity System Operator (ESO), Fintan Slye. This letter, written in advance of the ESO becoming the National Electricity System Operator (NESO), requests independent advice from the NESO on decarbonising the power sector by 2030 and an expert analysis of the location and the type of new investments and infrastructure required to deliver it.

The Department for Energy Security and Net Zero (DESNZ) has published a letter to the National Energy System Operator (NESO), announcing the updated connections reform annex in the Clean Power 2030 Action Plan (CP30). The update amalgamates the CP30 solar distribution and transmission capacity allocations for 2031-35 to address a misalignment between capacity allocations and the solar pipeline. This will allow NESO to allocate network capacity to the most advanced solar projects across regional transmission and distribution networks. The overall solar capacity allocation remains unchanged from the original publication.

The Department for Energy Security and Net Zero (DESNZ) has published its lists of the current codes of practice, standards and calculators included in the Domestic Renewable Heat Incentive Scheme Regulations 2014, SI 2014/928 and the Non-Domestic Renewable Heat Incentive Regulations 2018, 2018/611. The guidance also contains the subsequent versions of these codes of practice, standards and calculators which have been approved by the Secretary of State for use in both Renewable Heat Incentive schemes.

The Department for Energy Security and Net Zero (DESNZ) has published a letter from the Minister for Energy, Michael Shanks MP, to the Chair of the Energy Networks Association (ENA) Offshore Transmission Owner (OFTO) forum, Roger Morgan. The letter sets out DESNZ’s approach to decommissioning plans for early OFTOs—specifically those in Ofgem’s tender rounds one to six that fall within DESNZ’s remit. Shanks confirmed that partial decommissioning is likely to be acceptable for these early OFTOs, meaning some infrastructure may remain in situ, subject to ongoing monitoring and any necessary remediation post-decommissioning. However, each project will be subject to further assessment, considering environmental conditions, risks, costs, and current technological capabilities before proceeding under the standard section 108 process for individual decommissioning programmes.

The Department for Energy Security and Net Zero (DESNZ) has published its onshore wind strategy, detailing how the UK government plans to scale up the deployment of onshore wind to support its 2030 clean power targets. The strategy sets out 42 government commitments aimed at removing barriers to onshore wind deployment and serves as the primary output from the Onshore Wind Taskforce, which was established in July 2024 and has since disbanded.

The Department for Energy Security and Net Zero (DESNZ) has published the outcome of its 2025 consultation on new generating technologies eligible to participate in the Capacity Market. The consultation sought views on innovations capable of enhancing security of supply but not currently recognised as a Generating Technology Class. Stakeholders highlighted several potential developments, including Hydrogen to Power (H2P) via Thermal Plasma Electrolysis (TPE), Consumer Led Flexibility technologies (Demand Side Response or DSR), Flexible Compute Capacity (FCC), Offshore Hybrid Assets (OHAs), and Vehicle-to-Everything (V2X) technologies. The feedback will inform future decisions on technology classification and Capacity Market participation, contributing to the government’s Clean Power and energy security objectives.

The Department for Energy Security and Net Zero (DESNZ) has published a letter to the National Grid Electricity System Operator (ESO) setting out adjustments to the parameters for the Capacity Market auctions for delivery years 2024–2025 and 2027–2028.

The Department for Energy Security and Net Zero (DESNZ) has published the first part of its response to consultation on refinements for Contracts for Difference Allocation Round 8, announcing amendments to the Contracts for Difference (Allocation) Regulations 2014, SI 2014/2011. The response addresses the legislative proposals set out in Chapter 5 of the December 2025 consultation, which focused on improving scheme efficiency and administrative robustness, and confirms that the National Energy System Operator (NESO) will be able to correct certain administrative errors made during the assessment of CfD applications, including by issuing new or amended non‑qualification determination notices and applying a pause to the allocation process for affected projects only in order to accommodate additional Tier 1 appeals. DESNZ also confirms that the SI 2014/2014 will be amended to allow NESO, in specified circumstances, to consider new documentary evidence or information at the Tier 1 review stage to rectify non‑material errors or omissions, with the scope of acceptable evidence and applicable error types to be set out in the Contract Allocation Framework (CAF), alongside further administrative rules.

The Department for Energy Security and Net Zero (DESNZ) has published a policy statement outlining the government’s approach to how the National Energy System Operator (NESO) is envisaged to carry out strategic planning for hydrogen infrastructure. The statement clarifies government policy aims for NESO as it develops its hydrogen strategic planning capabilities, including NESO’s activities in delivering hydrogen strategic planning, how the government will consider NESO’s outputs and NESO’s development of other relevant hydrogen-related products. It follows the December 2023 Hydrogen Transport and Storage Networks Pathway, which confirmed that NESO would lead strategic network planning for hydrogen transport and storage infrastructure, with the government acting as interim strategic planner. The statement also explains how DESNZ will consider NESO’s hydrogen strategic planning when developing policy in relation to its hydrogen business models. While NESO will produce the first tangible outputs of its hydrogen strategic planning role in 2026, DESNZ will continue to have an ongoing role in the process as the decision maker for awarding business model support to hydrogen infrastructure projects.

The Department for Energy Security and Net Zero (DESNZ) has published a policy update on Great Britain’s midstream gas system, outlining the government’s direction for the future of the gas system, as part of the UK’s transition to a secure, affordable, and net zero energy system. The update sets out the government’s understanding of key challenges and the measures being implemented to ensure the transition is fair, resilient and cost-effective. It identifies three main challenges, including: (1) maintaining the resilience of gas supply and infrastructure as UK Continental Shelf production declines and reliance on alternative sources increases; (2) balancing infrastructure investment with affordability to ensure a safe and reliable network; and (3) managing a planned and orderly operational transition as parts of the gas network are either repurposed or decommissioned.

The Department for Energy Security and Net Zero (DESNZ) has published a progress report on the UK Net Zero Research and Innovation Framework Delivery Plan for 2022–25, detailing how government departments and the Office of Gas and Electricity Markets invested approximately £4.2bn to accelerate technologies critical for achieving net zero. The Framework, introduced in 2021, identified seven priority areas: power, industry and low-carbon hydrogen, carbon capture and greenhouse gas removal, heat and buildings, transport, natural resources and waste, and whole-systems approaches. Programmes delivered under the plan have advanced technology readiness by an average of two levels, generated over 340 patents, leveraged significant private sector co-investment, and are estimated to support more than 71,000 jobs.