# RDE851 - The use of drone flyover surveys for identifying methane emission sour

> Contract award record from UK public-sector procurement sources.

## Key facts

- Public buyer: [Environment Agency](/buyers/environment-agency/contract-awards)
- Contract winner: NPL
- Award value: £113,922
- Tender value: £113,922
- Award date: 10 September 2025
- Published: 24 September 2025
- Contract start: 8 September 2025
- Contract end: 6 March 2026
- Stage: awarded
- Procurement category: services
- Notice ID: 0e6d8aea-4ece-41ca-b202-5e5d1a26643a-865159
- OCID: ocds-b5fd17-f44d84d5-1589-4866-ab41-b2feb389217f

## Description

The objective of the project is to provide evidence on the performance of DFS compared to walkover surveys\. Contract awarded by Defra\.

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- [RDE930 - Measurement uncertainty in stack emissions monitoring: meeting the ch](/contracts/ocds-b5fd17-241420df-9381-4021-96de-cf15b55ff93b): Environment Agency
- [RDE818 Hydrogen monitoring and measurement: Evidence report to support the devel](/contracts/ocds-b5fd17-b5da3767-06b0-4e68-b5b1-eb897d5899cb): Environment Agency
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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/0e6d8aea-4ece-41ca-b202-5e5d1a26643a-865159)