---
title: "National Atmospheric Emissions Inventory (NAEI) 2025 - Lot 1"
ocid: "ocds-b5fd17-4802f305-dbc6-4474-b92f-897542db0779"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-4802f305-dbc6-4474-b92f-897542db0779"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-4802f305-dbc6-4474-b92f-897542db0779.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-4802f305-dbc6-4474-b92f-897542db0779.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "DESNZ"
published: "2025-01-14"
---

# National Atmospheric Emissions Inventory (NAEI) 2025 - Lot 1

Buyer: DESNZ  
Current stage: Award  
OCID: ocds-b5fd17-4802f305-dbc6-4474-b92f-897542db0779

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## Summary

The Department for Energy Security and Net Zero (DESNZ), located at 3-8 Whitehall Place, London, has completed the tender process for the "National Atmospheric Emissions Inventory (NAEI) 2025 - Lot 1" under the Research services category (CPV: 73110000). This significant contract, valued at £32,412,102.74, involves producing and maintaining the UK's Greenhouse Gas and Air Quality Pollutant Inventories to fulfil domestic and international reporting needs. The open procedure tender was concluded with the contract awarded to Ricardo AEA Ltd on 9th January 2025. The contract runs from 1st April 2025 to 31st March 2035 and encompasses the UK, Channel Islands, Isle of Man, British Overseas Territories, Europe, and other global regions.

This tender represents a substantial opportunity for businesses specialising in environmental research and data analysis to collaborate and grow. The NAEI programme's focus on adhering to UNFCCC and UNECE standards, and continuous improvement of GHG and AQPI methodologies, makes it an ideal project for companies with robust QA/QC capabilities and experience in environmental reporting. Smaller enterprises (SMEs) and voluntary, community, and social enterprises (VCSEs) with innovative approaches to emissions data and policy analysis can find lucrative partnerships and expansions in this long-term project.

## Notice

The NAEI is a long-running programme which has been responsible for producing the UK's Greenhouse Gas and Air Quality Pollutant Inventories in order to meet its domestic and international reporting obligations and to inform decision makers on the impact of policies on emissions, and to aid in the development of new policies to help the UK meet its long-term climate and air quality targets. The core delivery of the inventory products and outputs take place in this Lot 1. These national reporting requirements necessitate the production of high-quality and consistent assessments of temporal trends and spatial patterns of GHG and AQP emissions. The contract must also meet the needs of national policy and public dissemination of environmental information, and this Lot includes delivery of specific outputs to meet these needs. This information must be reported annually as the UK GHGI and UK AQPI. The methods used in compiling and reporting emissions data must comply with the relevant international guidance and must be recorded in a publicly available and transparent way. Lot 1 of the NAEI includes strict requirements regarding QA/QC to ensure they align with the relevant UNFCCC and UNECE standards. The contract needs to maintain and improve the UK's NAEI system, resulting in continuous improvement to both the GHGI and AQPI, specifically in the identification and inclusion of new methodologies and data, incorporation of any amendments to reporting obligations and requests for new outputs to meet UK domestic research and policy needs.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/eb33165f-58d5-49e6-823d-fb143fa31d79 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure (above threshold) |
| Tender suitability | SME, VCSE |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 14 Jan 2025 |
| Submission deadline | 12 Aug 2024 |
| Future notice date | Not specified |
| Award date | 9 Jan 2025 |
| Contract period | 31 Mar 2025 - 31 Mar 2035 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £3,241,102 |
| Lots value | Not specified |
| Awards value | £32,412,102 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | DESNZ |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1A 2EG |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | RICARDO AEA |

## CPV Codes

### Divisions

- 73 - Research and development services and related consultancy services

### Codes

- 73110000 - Research services

## Release History

- 14 Jan 2025 at 15:15 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/eb33165f-58d5-49e6-823d-fb143fa31d79

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/eb33165f-58d5-49e6-823d-fb143fa31d79
  14th January 2025 - Awarded contract notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/6fec1618-4dcd-456c-8c2a-0955fdbc9ac5
  n/a

## Provenance

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