Awarded contract

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

Details

Supplier(s)
LONGFIELD SOLAR ENERGY FARM LIMITED
Duration
20 years
Topic
Petroleum products, fuel, electricity and other sources of energy
Published
22 April 2026

Tender description

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).

Timeline

  1. Completed: Award date19 June 2025
  2. Completed: Award published22 April 2026
    Current notice
  3. Next: Contract expiry date31 August 2045

About the buyer

Transport for London operates the capital's transport network for the Mayor of London, and buys as a local government organisation on behalf of TfL, the Greater London Authority and the Old Oak and Park Royal Development Corporation. Suppliers register free on the SAP Business Network, where TfL's contract opportunities are published. Higher-value contracts appear on Find a Tender, with Contracts Finder used for smaller opportunities. A dedicated opportunities page lists larger upcoming work on a periodic basis. Rail-related work can be sourced through RISQS, the rail industry supplier qualification scheme, without a published tender notice.

UK local government drives £140bn in annual procurement, led by social protection (£66.6bn) and education (£57.1bn).

Over the past 5 years, most of Transport for London's contract awards have been in transport services, business services and repair and maintenance.

Relevant CPV 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

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