---
title: "TfL Renewable Corporate Power Purchase Agreement ('PPA Comet')"
ocid: "ocds-b5fd17-28044e35-8580-4ff0-a4aa-be3e72f0b367"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-28044e35-8580-4ff0-a4aa-be3e72f0b367"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-28044e35-8580-4ff0-a4aa-be3e72f0b367.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-28044e35-8580-4ff0-a4aa-be3e72f0b367.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "TRANSPORT FOR LONDON"
published: "2026-04-22"
---

# TfL Renewable Corporate Power Purchase Agreement ('PPA Comet')

Buyer: TRANSPORT FOR LONDON  
Current stage: Award  
OCID: ocds-b5fd17-28044e35-8580-4ff0-a4aa-be3e72f0b367

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## Summary

Transport for London, contracting as its subsidiary London Underground Limited, has awarded a 15-year Power Purchase Agreement titled "PPA Comet" to Longfield Solar Energy Farm Limited, a subsidiary of EDF Energy Renewables Limited. This procurement process, classified under the industry category "Petroleum products, fuel, electricity and other sources of energy," involves an annual supply of 80 GWhs of renewable energy from the Longfield solar farm located in Essex, targeting deliveries primarily to London, United Kingdom. The award phase concluded with active status on June 18, 2026, following a selective procurement method via a competitive procedure with negotiation above threshold. While the contract is set to commence on June 19, 2026, and end on August 20, 2045, key dates leading to completion were meticulously observed, such as the tender period ending on June 18, 2025.

This tender represents significant opportunities for industries involved in renewable energy supply, engineering services, construction, and installation related to wind farms and electricity supplies. As Transport for London seeks efficient partnerships for sustainable power generation, businesses equipped with large-scale renewable energy capabilities are primed to benefit from such initiatives. The detailed focus on renewable energy underscores potential growth avenues for suppliers capable of providing environmentally friendly solutions within stringent regulatory frameworks. Such contracts are typically suited for large-scale enterprises, given considerations regarding suitability for SMEs. Hence, businesses in the renewable energy sector can leverage this contract to strengthen future market positions and foster sustainable development goals.

## Notice

Transport for London (TfL) (contracting as its subsidiary, London Underground Limited) entered into a 15 year PPA ('PPA Comet') with a renewable generator, EDF Energy Renewables Limited (through its subsidiary Longfield Solar Energy Farm Limited), contracting for 80GWhs of renewable energy per annum from an 'additional' generator asset (Longfield solar farm, Essex).

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/18f3d3ac-ddf3-445a-b6fc-049fc50af187 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Selective |
| Procurement method details | Competitive procedure with negotiation (above threshold) |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 22 Apr 2026 |
| Submission deadline | 17 Jun 2025 |
| Future notice date | Not specified |
| Award date | 22 Apr 2026 |
| Contract period | 18 Jun 2026 - 20 Aug 2045 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| 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 | TRANSPORT FOR LONDON |
| Locality | LONDON |
| Post town | East London |
| Postcode | E20 1JN |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI4 Inner London - East |
| ITL 3 | TLI41 Hackney and Newham |
| Local authority | Newham |
| Electoral ward | Stratford Olympic Park |
| Westminster constituency | Stratford and Bow |
| Delivery location | TLI London |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | LONGFIELD SOLAR ENERGY FARM |

## CPV Codes

### Divisions

- 09 - Petroleum products, fuel, electricity and other sources of energy
- 31 - Electrical machinery, apparatus, equipment and consumables; lighting
- 45 - Construction work
- 51 - Installation services (except software)
- 71 - Architectural, construction, engineering and inspection services

### Codes

- 09000000 - Petroleum products, fuel, electricity and other sources of energy
- 31121340 - Wind farm
- 31682000 - Electricity supplies
- 45000000 - Construction work
- 51000000 - Installation services (except software)
- 71300000 - Engineering services

## Release History

- 22 Apr 2026 at 15:03 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/18f3d3ac-ddf3-445a-b6fc-049fc50af187

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/18f3d3ac-ddf3-445a-b6fc-049fc50af187
  22nd April 2026 - Awarded contract notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/89d4f4f3-01ce-4c73-9e53-ec91866952af
- https://www.contractsfinder.service.gov.uk/Notice/SupplierAttachment/ba38cb36-53ac-4268-93cb-b9963289ee62

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-b5fd17-28044e35-8580-4ff0-a4aa-be3e72f0b367. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-28044e35-8580-4ff0-a4aa-be3e72f0b367.json.