Government announces comprehensive nuclear regulatory reforms following the Fingleton review, aiming to streamline planning and regulation to speed up nuclear delivery and reduce costs. All reforms to be completed by end of 2027, with £65.6m new funding for nuclear research and training 500 doctoral students annually.

DESNZ is consulting on proposals to reform electricity grid connections for demand projects, particularly data centres, to address speculation in connection queues and prioritise strategically important projects. The proposals would use new powers from the Planning and Infrastructure Act 2025 to introduce queue management reforms and prioritisation mechanisms.

DESNZ has published an Advanced Nuclear Framework establishing the UK Advanced Nuclear Pipeline to support private sector investment in SMRs, AMRs and MMRs. The framework creates a project assessment process, potential revenue support mechanisms like CfDs, and enabling conditions including planning reforms and fuel supply chain development.

Government is consulting on reforms to tackle speculative demand grid connection applications that have caused the transmission connection queue to grow 460% in 6 months. The reforms will prioritise strategically important projects like AI data centres and industrial sites through stricter conditions, higher financial requirements, and a government priority list.

This document collection contains Secretary of State screening decisions on overhead electricity line applications made under section 37 of the Electricity Act 1989. These are determinations on whether overhead line projects require environmental impact assessment.

Deloitte's independent audit report confirms NESO properly conducted the 2025 T-1 Capacity Market auction for delivery year 2026/27, which cleared at £5.00/kW/year with 7,192 MW of capacity awarded. The auction ran 3-4 March 2026 and awarded contracts to 54 successful bidders across various technologies including batteries, solar, CHP, and demand response.

DESNZ is consulting on new obligations for energy suppliers to ensure smart meters operate properly and complete domestic smart meter rollout by end-2030. Key proposals include 90-day recovery targets for faulty smart meters, pre-emptive replacements before network shutdowns, and 100% domestic coverage by 2030.

DESNZ has published draft guidance for the Clean Industry Bonus (CIB) scheme in CfD Allocation Round 8, which provides extra revenue support to offshore wind developers who invest in sustainable supply chains. The scheme requires minimum investment standards and allows additional payments for extra investments in shorter supply chains and cleaner production methods.

NESO has launched a Call for Input on Reformed National Pricing (RNP) programme reforms to GB's electricity market, including potential changes to dispatch arrangements and decision-making processes. The programme is a collaboration between NESO, Ofgem and DESNZ to review market arrangements and ensure system security, affordability and alignment with clean power transition.

DESNZ has published January 2026 energy statistics covering production, trade, electricity generation and consumption across all fuel types (coal, gas, oil, electricity), plus retail energy prices and fuel price data with EU comparisons. This is a routine monthly statistical release providing market data.

DESNZ has published quarterly energy statistics covering production, consumption and trade across all energy types including electricity and renewables for Q4 2025. This is a routine statistical release providing official energy data for the final quarter of 2025.

Government announces comprehensive nuclear regulatory reform following the Nuclear Regulatory Review 2025, including merging nuclear regulators, creating a new Nuclear Commission, and streamlining planning processes. Aims to reduce delays and costs while maintaining safety standards, with implementation by end of 2027.

DESNZ provides a policy overview of the UK Emissions Trading Scheme, which currently covers power generation, heavy industry and aviation sectors representing 25% of UK territorial emissions. The scheme creates a carbon price through emissions caps and the UK ETS Authority is working to expand it to additional sectors.

DESNZ is consulting on simplifying UK ETS regulatory requirements for carbon capture and storage (CCS) pipelines that cross multiple UK jurisdictions. The proposals aim to reduce the number of permits needed and streamline monitoring requirements by designating single regulators rather than requiring permits from each jurisdiction crossed.

DESNZ has published statistics on energy efficiency measure installations delivered through the Warm Homes: Local Grant scheme in England for February 2026. This is monitoring data showing progress on domestic energy efficiency improvements funded by the local grant programme.

DESNZ will publish monitoring data on energy efficiency measure installations in social housing properties through the Social Housing Decarbonisation Fund scheme in England. This is a statistics announcement for data to be released in January 2026.

DESNZ is releasing statistical data on energy efficiency measures installed in domestic properties through the Great British Insulation Scheme (GBIS). This is a monitoring data release to track the programme's delivery progress.

DESNZ has published quarterly statistics on heat pump installations across the UK for March 2026. This is a routine statistical release tracking deployment numbers.

DESNZ is launching industry engagement to develop the first Hydrogen Network Code for Great Britain. They will host an introductory webinar in April 2026 to explain the engagement process, including establishing a Code Engagement Forum and smaller Code Advisory Group.

DESNZ has published details of successful projects under the Heat Pump Ready Programme, which supports innovative solutions for high-density heat pump deployment, technology development, and knowledge sharing. The programme is part of the £1 billion Net Zero Innovation Portfolio and includes three streams covering deployment optimisation, technology barriers, and learning transfer.

Updated guidance for local authorities on the £500m Warm Homes: Local Grant scheme, which provides energy efficiency upgrades and low carbon heating (including heat pumps and solar panels) to low-income households in England with EPC ratings D-G. The scheme runs 2025-2028 with 271 local authorities participating.

DESNZ has expanded its heat pump deployment statistics to cover all UK heat pump installations (up to 45kW), not just those supported by government schemes. The statistics now provide quarterly data on total retrofit heat pump deployment including both air source and ground source heat pumps.

DESNZ published quarterly UK renewables statistics for Q3 2025, showing renewable electricity generation grew 7% year-on-year to reach 54.7% of total generation. The data includes renewable capacity, generation, load factors, and liquid biofuels consumption with quarterly and monthly ROCs data.

DESNZ's Public Attitudes Tracker is a triannual survey that monitors public awareness, behaviours and attitudes on energy and net zero policies. The survey transitioned from BEIS to DESNZ in 2023, reduced frequency from quarterly to three times per year, and uses online address-based methodology since 2021.

DESNZ has expanded its heat pump deployment statistics to cover all UK heat pump installations up to 45kW capacity, not just those supported by government schemes. The December 2025 data release represents the first publication using this broader methodology.

DESNZ published its Winter 2025 Public Attitudes Tracker, a nationally representative survey tracking public awareness and attitudes on energy and climate policies. This is the 15th wave since 2021, covering topics including net zero, renewable energy, heating, energy bills, and the new Great British Energy company.

DESNZ has released statistics on domestic battery installations recorded through the Microgeneration Certification Scheme (MCS) covering the period April 2025 to March 2026. The data includes installation volumes, capacity statistics, and cost information for home battery systems.

Official statistics showing the cost per kW of solar PV installations by month during financial year 2025/26. This is statistical data tracking solar deployment costs rather than policy or regulatory changes.

Research report exploring British homeowners' awareness and attitudes towards green finance products for home decarbonisation. Based on a survey of 1,541 homeowners, it finds low awareness of green finance options, with high upfront costs being the main barrier to green home improvements.

Research among 876 UK homeowners finds only 19% willing to take green loans for home energy improvements, but this doubles to 40% when government offers matching grants. Higher earners and younger people more willing to borrow for decarbonisation measures.

DESNZ published a research review examining 'comfort taking' - when households heat their homes to higher temperatures after installing energy efficiency measures, reducing expected energy savings. The study found this phenomenon occurs but estimates vary widely, with lower-income households and tenants more likely to exhibit this behavior.

DESNZ research examining energy advice services in England, focusing on provision for hard-to-reach and digitally excluded consumers. The study by Energy Saving Trust found uneven geographical coverage of advice services and identified barriers these consumers face in accessing energy efficiency support.

Qualitative research by Energy Systems Catapult exploring homeowners' experiences seeking energy advice and their customer journey when considering home decarbonisation measures. Found that homeowners want trusted, bespoke advice and clearer information about financial support for energy efficiency and low-carbon technology.

DESNZ behavioural research examining how estate agents, letting agents and property managers could support home decarbonisation through energy efficiency improvements and low-carbon heating installation. Research found home decarbonisation is currently low priority for both professionals and consumers, but identified opportunities to increase sector engagement.

DESNZ research exploring UK homeowners' and landlords' attitudes to green finance products for home decarbonisation measures like heat pumps, insulation, and solar panels. The study identifies six consumer typologies and finds that secured green borrowing (mortgage-style finance) is most preferred, while barriers include debt aversion and concerns about property sales complications.

Final evaluation of DESNZ's Consumer Advice and Information programme (2023-2025) covering the Home Retrofit Advice and Information Line phoneline and 36 Local Energy Advice Demonstrator projects. The programme provided energy efficiency advice to households, particularly hard-to-reach groups and those in hard-to-decarbonise homes, with mixed results on driving actual retrofit installations.

Research report exploring behavioural barriers that prevent vulnerable owner-occupiers (fuel poor, older people, those with health conditions) from installing home decarbonisation measures like heat pumps and insulation. Identifies key barriers including cost concerns, lack of awareness, installer trust issues, and property-specific concerns.

Research report analyzing mixed tenure social housing developments in England, where social tenants live alongside private owners/renters. Identifies barriers to installing energy efficiency and heating measures across different tenure types, including trust issues, communication challenges, and financial concerns.

DESNZ has published guidance explaining how to participate in UK ETS carbon allowance markets, covering both primary auctions and secondary trading. The document provides operational details for market participants and references Cost Containment Mechanism trigger prices.

DESNZ has published lists of companies that received exemptions or compensation for indirect costs of renewable energy support schemes (CfD, RO, and FIT). The lists cover exemptions awarded up to March 2, 2026, and compensation awarded up to end of 2018.

DESNZ introduces new rules requiring energy suppliers to fix faulty smart meters within 90 days or face regulatory penalties. Suppliers must also replace all 2G/3G connected smart meters before network shutdown in 2033.

Government confirms partial reforms to Energy Performance Certificates (EPCs), introducing four new headline metrics for domestic properties and retaining existing metrics for non-domestic buildings. A further response covering remaining consultation elements will be published in 2026.

This is a statistical release providing data on uptake of low carbon heating technologies under the Boiler Upgrade Scheme, including installations of air source heat pumps, ground source heat pumps and biomass boilers through February 2026. The publication tracks the performance and adoption rates of the government's heat pump grant scheme.

This is a statistical announcement for the monthly deployment figures of solar photovoltaic capacity across the UK for February 2026. It appears to be part of DESNZ's regular monthly solar deployment statistics series.

NESO has launched a new data platform publishing real-time Physical Notifications from service providers using the Open Balancing Platform (OBP). Currently covers Non-BM Quick Reserve Service data, with Slow Reserve and Dynamic Response data to be added as those services go live.

NESO has published real-time data on the availability and pricing of non-Balancing Mechanism reserve services through its Open Balancing Platform (OBP). Currently covers Quick Reserve Service data, with Slow Reserve Service data to be added when that service launches.

NESO has published a dataset containing window price changes for non-BM (Balancing Mechanism) ancillary services on their Ancillary Service Dispatch Platform (ASDP). The data shows pricing updates submitted by service providers and made available through the National Energy Data portal.

NESO has published a new dataset calculating 'Skip Rates' using methodology developed with LCP Delta. The dataset provides skip rates for each 30-minute period daily, following exclusion stages outlined in their methodology.

NESO has published a dataset containing national and individual windfarm-level wind power forecasts covering 0-14 days ahead for all windfarms providing real-time operational data. The forecasts are based on operational capacity determined from recent actual production levels captured through SCADA telemetry systems.

NESO publishes historical and forecast profile dates used to convert Cardinal Point forecasts into half-hourly demand forecasts from 2018 to 14 days ahead. These profile dates match forecast dates based on weather, embedded generation, seasonal patterns, calendar activities and special events, with updates as weather forecasts improve closer to real time.

NESO announces that all response services (DC, DM, DR) and reserve services (BR, QR) are now procured through the Enduring Auction Capability (EAC) platform, with daily auction results published via an embedded dashboard. Historical data for different services is available through separate links.

NESO has published daily auction results data for Static Firm Frequency Response (FFR) services, showing outcomes from the daily procurement auctions where grid balancing services are bought from providers.

NESO has published the Net Transfer Capacity values it submits for the North Sea Link interconnector, showing the maximum import and export capacity restrictions applied by NESO in MW per hour. These values feed into the final interconnector capacity calculations alongside inputs from the connected system operator and interconnector capability.

NESO publishes the Net Transfer Capacity values it submits for the ElecLink interconnector between GB and France. These values represent NESO's restrictions on maximum import/export flows in MW per hour, though final interconnector capacity may be lower after considering values from the French system operator and interconnector capabilities.

NESO has published a dataset containing estimates of system inertia levels on the GB transmission system, including both actual outturn inertia and market-provided inertia. The data excludes contributions from Stability Pathfinder service units.

NESO (formerly National Grid ESO) has published methodology for calculating the carbon intensity of balancing actions, which measures the difference in carbon intensity between planned generation schedules and actual dispatch after balancing mechanism interventions. The metric tracks how system operator actions to balance the grid affect overall carbon emissions.

NESO is publishing the buy curve data used in its daily auction process for procuring Short Term Operating Reserve (STOR) services. This is part of implementing Clean Energy Package requirements for daily balancing service procurement.

NESO has released a dataset containing 0-14 day ahead wind forecasts at both national and individual wind farm (BMU) level. These forecasts are based on operational capacity determined from recent actual production data captured via SCADA systems.

NESO has published the Transmission Entry Capacity (TEC) register, listing all projects with contracts to connect to or use the National Electricity Transmission System. The register includes existing and future connection projects and will be updated from November 2025 to include a new 'Gate' column showing whether agreements are Gate 1 or Gate 2 under the Connections Reform process.

NESO publishes a register of all interconnector projects that have connection contracts, including both operational and future interconnectors with their import/export capacities. The register includes Transmission Entry Capacity (TEC) figures and notes operational restrictions on some interconnectors like Moyle.

This is an embedded generation register listing connected or contracted-to-connect distributed generation projects in Scotland. From November 2025, it will include a new 'Gate' column indicating whether agreements are Gate 1 or Gate 2 under the Connections Reform process.

NESO operates ad-hoc interconnector auctions throughout the day to manage electricity flows between GB and Europe via six interconnectors (IFA1, BritNed, NEMO, IFA2, ElecLink, Viking Link). Qualified counterparties with Grid Trade Master Agreements can bid to provide balancing services to address system constraints or energy margin requirements.

This is a data release describing NESO's System Operating Plans (SOPs) - operational documents produced multiple times daily at peak/trough demand periods to guide real-time electricity system balancing decisions. The publication includes a detailed glossary of technical terms used in SOPs and notes about data quality issues and planned file deletions in January 2026.

NESO publishes real-time data on non-balancing mechanism ancillary service instructions through their ASDP system. This covers dispatch instructions for Fast Reserve, Short Term Operating Reserve, and Regional Development Programme services once confirmed by service providers.

NESO has published a dataset containing carbon intensity forecasts for the GB electricity system, measuring CO2 emissions per kilowatt hour of electricity consumed. This provides forward-looking data on how clean or carbon-intensive GB's electricity supply will be.

NESO publishes methodology for its Carbon Intensity API that provides 48-hour ahead forecasts of CO2 emissions per kWh of electricity consumed in GB. The forecasts include emissions from large power stations, interconnector imports, and transmission losses, using specific carbon intensity factors for different fuel types.

NESO has launched a regional carbon intensity forecast API that provides 48-hour ahead forecasts for 17 GB regions based on DNO boundaries. The service uses machine learning to predict regional electricity demand, generation by fuel type, and models power flows between regions to calculate the carbon intensity of electricity consumed in each area.

NESO has released a historical dataset showing the carbon intensity of GB electricity generation (CO2 emissions per kWh) from January 2009 onwards. The data includes seasonal adjustments to correct for missing or irregular data points and is subject to ongoing data cleansing processes.

NESO publishes daily BSUoS (Balancing Services Use of System) charges data including Half Hourly prices across different settlement run types. The data includes total costs and volume information by settlement period.

NESO publishes weekly data on the Operational Planning Margin Requirement (OPMR), which shows how much generation capacity above demand forecast is needed to meet reserve requirements. This covers planning periods from 2-52 weeks ahead.

NESO publishes daily operational planning margin requirement (OPMR) data, which shows how much generation capacity above demand forecast is needed to meet reserve requirements. The data covers 2-13 days ahead operational planning.

NESO publishes daily and weekly forecasts of Negative Reserve Active Power Margin (NRAPM) for both national and Scottish systems, covering 2-14 days and 2-52 weeks ahead. NRAPM warnings indicate when there's insufficient flexibility to match generation with demand during low demand periods, potentially requiring Emergency Instructions.

NESO publishes daily wind generator availability data in megawatts for 2-14 days ahead at daily resolution. This provides forward-looking visibility of expected wind generation capacity availability across the GB electricity system.

NESO publishes weekly data showing wind generator availability in MW at individual generator level, providing forecasts 2-52 weeks ahead. This is a regular data publication to inform market participants of expected wind capacity availability.

NESO publishes daily electricity demand forecasts for the next day, along with historical forecast data. This helps industry participants plan their generation and trading positions by providing official demand predictions.

NESO publishes 2-day ahead national electricity demand forecasts and historical forecast data. This helps industry participants make efficient supply and demand balancing decisions.

NESO publishes Balancing Services Adjustment Data (BSAD) which records balancing actions taken outside the formal balancing mechanism that need to be submitted to the Balancing & Settlement Code. This operational data is updated twice daily and covers system operator actions not captured through standard balancing mechanism processes.

NESO publishes 7-day ahead national electricity demand forecasts along with historical forecast data. This helps industry participants make informed decisions about balancing their supply and demand positions.

NESO publishes daily data on Balancing Services Adjustment Data (BSAD), which records balancing actions taken outside the main balancing mechanism. This data is submitted to the BSC system that governs electricity balancing and settlement in GB.

NESO publishes Balancing Services Adjustment Data (BSAD) which contains information about balancing actions taken outside the formal balancing mechanism. This data is submitted to the BSC settlement process and is updated twice daily to provide transparency on system balancing activities.

NESO publishes real-time data on upcoming electricity trades for balancing the grid, showing energy trades planned for delivery. The dataset updates every ten minutes and displays trades made to meet forecast balancing requirements at minimum cost.

NESO publishes half-hourly embedded wind and solar generation forecasts from within-day up to 14 days ahead, updated hourly. The dataset currently has issues with missing archived records that NESO is working to resolve.

This is a snapshot of power flow limits and actual flows across key transmission boundaries in Great Britain at the day-ahead stage. The data shows constraint boundaries with arrows indicating positive power flow direction, though flows may change after publication.