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

Transport for London · Public undertaking

In brief

Transport for London has announced plans to buy construction and architecture and engineering work. This is an early notice: there is nothing to bid on yet, but it tells you a tender may follow.

The notice does not state a value.

The contract runs for 17 years, starting 1 January 2028.

Built from the notice's own fields. Always check the official notice before you bid.

Can I win this?

Competition

Usually low: a median of 2 bids per contract for this buyer (from 72 awards in the last 12 months).

What the notice says

Transport for London (TfL) is exploring entering into multiple Virtual PPAs (VPPAs) with renewable generator(s)/counterparties, up to a maximum volume window of 500GWh per annum (30% of TfL's total volume). The procurement will concern generation from specific renewables facilities for the supply period, and will require additionality. The expected contract structure is a pay-as-produced VPPA, for solar or wind (onshore and offshore), new-build or repowered assets. The individual PPA/project volume range is expected to be 40-250GWh, with a delivery window of October 2028 to December 2032 and a fixed pricing structure with CPI-linkage. More information on the proposed requirement is available in the MSQ. Details on how to access this document are given below.

How to bid

  1. Read the full notice on Find a Tender, including any tender documents it links to.
  2. Register your organisation on the Central Digital Platform (through Find a Tender) if you have not already. Suppliers need to be registered to take part in procurements under the Procurement Act 2023.
  3. Follow the submission instructions in the notice; it does not name an e-tendering portal.

Timeline

  1. Pipeline notice · UK1, notice 016043-2026
  2. Preliminary market engagement notice · UK2, notice 024848-2026

About the buyer

Transport for LondonLast 12 months

Procurements

377

Awards

150

Suppliers it has used most for construction

All tenders and awards from Transport for London

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From notice 016043-2026 on Find a Tender, first published 23 February 2026, last updated 18 March 2026. We last checked for changes on 28 September 2026.