Department for Energy Security & Net Zero

This page summarises the contracts and suppliers linked to this buyer in published notices. Values come from those notices.

Award history

Published records by year

Totals include values only when they can be added without obvious duplication. Framework totals and inconsistent values stay on their records but are not added here.

Annual award records and published values included in totals
Year	Awards	Value counted	Values not counted
2026	15	£124,933,041	0
2025	22	£8,355,627	3
2024	11	£16,824,287	0
2023	3	£210,862	0
2022	1	£14,827,761	0

Supplier relationships

Supplier relationships by value counted

Suppliers are ordered by published value assigned to one supplier, then by award count. Values shared between suppliers or marked as inconsistent are not assigned.

Public buyerDepartment for Energy Security & Net Zero

Published end dates

Contracts with end dates in the next 24 months

Page 1 of 2 · 31 awards.

Digital Upgrade of the UK’s National Atmospheric Emissions Inventory System Contract Modification
Supplier: Aether Limited; KPMG LLP; Mott Macdonald
End date in notice
30 Sept 2026Date from the linked contract
Value shown in notice
£3,994,770Value from the linked contract
Official source
Open the official Find a Tender notice for Digital Upgrade of the UK’s National Atmospheric Emissions Inventory System Contract Modification
About this figure
- This award names more than one supplier but does not divide the published value between them. The figure is shown for context and is not assigned to one supplier.
- This figure comes from the linked contract record. Overall totals continue to use the separately published award value.
View record references
Source
Find a Tender
Award or lot reference
ocds-h6vhtk-03992c / 012879-2025-con_5141-1
RAF 006/2627: Plug-in Solar PV Fire Study
Supplier: Arceio Limited

Department for Energy Security & Net Zero

Published records by year

Supplier relationships by value counted

Contracts with end dates in the next 24 months

Digital Upgrade of the UK’s National Atmospheric Emissions Inventory System Contract Modification

RAF 006/2627: Plug-in Solar PV Fire Study

NDA Review

UNFCCC Reviews - In-Country BTR of Algeria, Germany, Cyprus, Zambia

Provision of Business Intelligence Data Subscription

Transport Industrial and Commercial Refrigeration (TICR) UK5 Notice

Energy Retail Markets Legal Advice and Services

Energy Supply Company Insolvency - Response

Energy Supply Company Insolvency - Response

Great British Nuclear HR System with Fully Managed Payroll

Audio Visual (AV) Event Support For International Conference

UK5 Notice Publicly Available Specification (PAS)2035 & 2030 - review

Sightline subscription for market intelligence on energy projects

Academic Training: National Security for Energy Security Professionals

Forecourt Data Analysis

Satellite Phone Handsets

Mission Innovation Secretariat

Nuclear Innovation and Research Advisory Board (NIRAB)

Cornwall Insights Subscription 2026-2027

Nuclear Innovation and Research Advisory Board (NIRAB)