Public buyer · Ministry or any other national or federal authority, including their regional or local subdivisions

Department for Energy Security and Net Zero

Department for Energy Security and Net Zero has awarded 12 UK public contracts worth £47.9m since 4 Sep 2023. See which suppliers win most of its work.

London Official websiteFirst contract 4 Sep 2023Latest contract 3 Sep 2025

Contracts: 12
Published value: £47.9mwhere stated
Without competition: 0%0 contracts
Won by SMEs: 50%of 12 with size known

Contracts awarded per month, last 24 months 2 contracts · busiest month February 2025

Dec 24
1
Mar 25
Jun 25
Sep 25
Dec 25
Mar 26
Jun 26
Sep 26

Suppliers used most

Turner and Townsend Consulting Limited 1 contract · £26.6m
PricewaterhouseCoopers LLP 1 contract · £16.5m
Aether Ltd SME 1 contract · £2.89m
KPMG 1 contract · £2.89m
Mott MacDonald Ltd SME 1 contract · £2.89m
NIRAS Group (UK) SME 1 contract · £399k
Turner and Townsend Cost Management Limited 1 contract · £379k
Frazer-Nash Consultancy Ltd 1 contract · £323k
International Organisation Development Ltd (trading as IOD PARC) SME 1 contract · £307k
Jacopo Torriti SME 1 contract · £105k

What they buy

Architecture & engineering 6 contracts · £27.3m
Business services 2 contracts · £454k
Public administration & defence services 1 contract · £16.5m
Research & development 1 contract · £307k
IT services 1 contract · £2.89m
Agriculture & forestry products 1 contract · £399k

All contracts awarded by Department for Energy Security and Net Zero

Contracts awarded by Department for Energy Security and Net Zero
Date	Contract	Supplier	Value
3 Sep 2025	Climate Finance Accelerator (CFA) 2 Global Delivery Partner	PricewaterhouseCoopers LLP	£16.5m
14 Feb 2025	The provision of independent evaluation services for the Lowering Emissions by Accelerating Forest Finance (LEAF) Coalition	International Organisation Development Ltd (trading as IOD PARC) SME	£307k
19 Nov 2024	PS24063 - The provision of Offshore Renewables Decommissioning Technical Advice 2024-2027	Frazer-Nash Consultancy Ltd	£323k
21 Mar 2024	Panel of Technical Experts - Electricity Market Reform	Individual supplier	£105k
21 Mar 2024	Panel of Technical Experts - Electricity Market Reform	Individual supplier	£105k
21 Mar 2024	Panel of Technical Experts - Electricity Market Reform	Jacopo Torriti SME	£105k
21 Mar 2024	Panel of Technical Experts - Electricity Market Reform	Individual supplier	£105k
1 Feb 2024	Demand Management & Renewables DPS - Technical Assistance Facility 2	Turner and Townsend Consulting Limited	£26.6m
22 Jan 2024	https://www.find-tender.service.gov.uk/Notice/023751-2021	Turner and Townsend Cost Management Limited	£379k
23 Oct 2023	Digital Upgrade of the National Atmospheric Emissions Inventory	Aether Ltd SME, KPMG +1 more	£2.89m
18 Sep 2023	Village Trial legal support contract	Gowling WLG (UK) LLP	£75,000
4 Sep 2023	Independent learning and evaluation of the effectiveness of the UK’s support to climate vulnerable country negotiating groups in international climate negotiations	NIRAS Group (UK) SME	£399k