Department for Energy Security & Net Zero

• Contracts awarded174
• Period covered1 Sept 2025 to 6 Nov 2026
• Distinct suppliers154
• Contract valuesMedian £165k across the 104 awards that state a value
• Suppliers named95 of 174 awards

What they buy

• Research & development 69 awards
• Business & professional services 55 awards
• Surveying, architecture & engineering 29 awards
• IT, software & telecoms 14 awards
• Energy, fuel & utilities 4 awards
• Financial & insurance 4 awards

Contracts awarded

• Impact of increased deployment of small-scale renewable (onshore wind, solar and battery storage) power generation
  22 Dec 2025 · £117k · ends 10 Apr 2026
  Supplier not named in a form we publish
• PS25220 - RAF014/2526 - Evaluation of the Retrofit Devolution Program
  22 Dec 2025 · £280k · ends 31 Mar 2027
  Supplier not named in a form we publish
• DESNZ- Commercial Contingent Labour Support
  19 Dec 2025 · £35k · ends 27 Mar 2026
  Awarded to Insight Executive Group Limited
• DESNZ- Commercial Contingent Labour Support
  19 Dec 2025 · £36k · ends 27 Mar 2026
  Awarded to Insight Executive Group Limited
• Press Association Licence for DSIT and DESNZ
  17 Dec 2025 · ends 30 Nov 2028
  Supplier not named in a form we publish
• Transparency Notice for Green Deal Ombudsman Investigation Service (OIS)
  17 Dec 2025 · ends 7 Dec 2029
  Awarded to ENERGY OMBUDSMAN LIMITED
• con_8954 - HNTAS Interim Technical Support
  3 Dec 2025 · £781k · ends 16 Nov 2026
  Supplier not named in a form we publish
• Plug-in Solar PV Study
  1 Dec 2025 · ends 27 Feb 2026
  Supplier not named in a form we publish
• PS25243 - Impact of Data Centres Growth Follow-Up
  1 Dec 2025 · £144k · ends 30 Mar 2026
  Supplier not named in a form we publish
• HNZP Framework Call off Contract Lot 3.1 - Heat Network Routing and growth model
  1 Dec 2025 · £239k · ends 31 Mar 2026
  Awarded to ENVIRONMENTAL RESOURCES MANAGEMENT LIMITED
• Variation: Monitoring and Evaluation Call-Off Contract
  28 Nov 2025 · £210k · ends 9 Feb 2026
  Awarded to Technopolis Limited
• PS25210 - Transition Finance Research
  27 Nov 2025 · £150k · ends 31 Mar 2026
  Awarded to Baringa Partners LLP
• EV Smart Charging and SSES Professional Services Support
  25 Nov 2025 · £2.4m · ends 9 Nov 2027
  Awarded to PA Consulting Services Limited
• PS25232 - RAF025/2526 - Hard to Abate Industrial Sector Research
  21 Nov 2025 · £495k · ends 30 Apr 2026
  Supplier not named in a form we publish
• Provision of Transformation Professional Services
  20 Nov 2025 · £4.5m · ends 6 Nov 2028
  Awarded to Ernst & Young LLP
• PS25272 - RAF034/2526 - Cooling Adaptations research
  19 Nov 2025 · £130k · ends 31 Mar 2026
  Awarded to Verian Group Ltd
• PS25182 - The Provision of Telecoms Expertise and Analysis
  17 Nov 2025 · £66k · ends 31 Mar 2026
  Awarded to Analysys Mason Limited
• External Financial Advisors 2025
  11 Nov 2025 · £75k · ends 2 Feb 2026
  Supplier not named in a form we publish
• PS25242 - Services to support the development and understanding of community and local energy business models
  6 Nov 2025 · £245k · ends 31 Mar 2026
  Awarded to Guidehouse Europe Limited
• Great British Energy - Community Energy Shared Ownership document template creation
  3 Nov 2025 · terminated
  Supplier not named in a form we publish
• COP30 Translation Services
  31 Oct 2025 · terminated
  Supplier not named in a form we publish
• Hydrogen Technical Advisor to DESNZ (Primary Supplier)
  27 Oct 2025 · £7.5m · ends 16 Oct 2028
  Awarded to WSP UK LIMITED
• PS25239 - RAF027/2526 - Understanding heat pump use qualitative research to investigate the heating and consumption behaviours of heat pump owners
  27 Oct 2025 · £65k · ends 31 Mar 2026
  Supplier not named in a form we publish
• PS25146 - Evaluation of the Warm Homes Local Grant (WHLG)
  24 Oct 2025 · £706k · ends 30 Mar 2029
  Awarded to RSM UK Consulting LLP
• Report on nuclear graphite waste
  22 Oct 2025 · ends 17 Nov 2025
  Awarded to University of Manchester

Supplier names are published only where the notice carries a Companies House number, so sole traders and named individuals are not listed. Figures are counts from the published notices and nothing is inferred. To correct or remove something, email hello@bidwire.co.uk.