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Tenders

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

Open
Deadline
9 days left
April 06, 2026
Contract Details
Category
Other
Reference
024848-2026
Value
Not disclosed
Location
North East England, United Kingdom
Published
March 20, 2026
Organization
CPV Code
Project Timeline

Tender Published

March 18, 2026

Deadline for Questions

March 30, 2026

Submission Deadline

April 06, 2026

Contract Start Date

January 01, 2028

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Budget
Not disclosed
Duration
205 months
Location
North East England
Type
Other
75
Quality Score/100
Good

Original Tender Description

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.

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Requirements & Qualifications

10 requirements across 5 categories

Submission (2)
Mandatory (1)
Compliance (5)
Technical (1)
Financial (1)
SUBMISSION REQUIREMENTS2
--Access to MSQ document required for more information.
--Details on how to access MSQ are provided below (not detailed in the provided text).
MANDATORY EXCLUSION GROUNDS1
--No specific requirements listed in the provided text.
ELIGIBILITY REQUIREMENTS5
--Must be a renewable generator/counterparty.
--Must be able to supply generation from specific renewables facilities.
--Must be able to provide additionality.
TECHNICAL CAPABILITY REQUIREMENTS1
--No specific requirements listed in the provided text.
FINANCIAL REQUIREMENTS1
--Fixed pricing structure with CPI-linkage.

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Documents

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75
Good

Tender Quality Score

This tender for Renewable Corporate Power Purchase Agreements (PPAs) is well-structured with clear objectives, though it lacks specific evaluation criteria and details on document access. The focus on renewable energy and additionality is positive.

Score Breakdown

Legal Compliance75/100

The tender appears to comply with general procurement regulations, with a clear CPV code and a defined contract duration. However, the absence of a specified procedure type and the 'planning' status suggest it's in an early stage, which could impact strict legal compliance if not properly managed through subsequent stages. The deadline is relatively short given the complexity of PPAs.

Procedure type not specified
Submission deadline may be tight for complex PPA procurement
Clarity80/100

The description of the requirement for Virtual PPAs (VPPAs) is clear, outlining the volume, type of generation, additionality requirement, and contract structure. The eligibility criteria are also reasonably well-defined. However, the lack of specific evaluation criteria leaves a significant gap in understanding how bids will be assessed.

Missing evaluation criteria
Completeness70/100

Essential information such as the title, organization, contract duration, and start date are present. The description provides a good overview of the requirement. However, the estimated value is not disclosed, and details on how to access the crucial MSQ document are not fully provided within the text, impacting completeness.

Estimated value not disclosed
Details on accessing MSQ document are incomplete
Fairness85/100

The tender promotes fairness by clearly stating the volume window and individual PPA/project volume ranges. The focus on renewable energy and additionality is objective. The lack of disclosed value is a minor concern for fairness, but the overall structure seems to encourage broad participation. The absence of specific company tailoring is noted.

Practicality65/100

The contract start date is well into the future, allowing for planning. However, the lack of information regarding e-submission and the URL for accessing tender documents (beyond the mention of MSQ) reduces practicality. The financing information is not detailed.

No information on e-submission process
URL for accessing tender documents not provided
Data Consistency90/100

Key fields such as title, reference, organization, contract duration, and start date are populated logically. There are no reported disputes or suspensions. The dates provided are consistent and do not indicate any immediate conflicts.

Sustainability50/100

The core of the tender is focused on renewable energy, which inherently aligns with sustainability goals. However, there are no explicit mentions of green procurement beyond the energy source itself, nor are there specific social or innovation criteria detailed, limiting the score in this category.

No explicit green procurement criteria beyond energy source
No specific social or innovation criteria mentioned

Strengths

Clear focus on renewable energy and additionality
Well-defined volume ranges for PPAs
Long contract duration allows for strategic planning
Objective criteria for PPA structure

Concerns

Missing evaluation criteria
Estimated value not disclosed
Incomplete details on accessing key tender documents (MSQ)
Lack of information on e-submission process

Recommendations

1. Provide specific evaluation criteria to guide bidders.
2. Disclose the estimated value of the procurement.
3. Ensure complete instructions for accessing all tender documents are readily available.

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