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Photovoltaic (PV) Installations Little Marlow and Maidenhead

goods
Competitive flexible procedure
Solar energy
Published value
£0
Submission deadline 15 Sept 2026, 12:00 BST
Lots published2
Procurement Executive Summary
AI & Search Synopsis
Generated from official OCDS record
Tenderline Synopsis: THAMES WATER UTILITIES LIMITED: "Photovoltaic (PV) Installations Little Marlow and Maidenhead". Published status: active. Published value: £0. 2 published lots. Recorded submission deadline: 15 Sept 2026, 12:00 BST. Published submission portal: forms.cloud.microsoft.
Contracting AuthorityTHAMES WATER UTILITIES LIMITEDScope & CategoriesGOODS (2 lots)Submission Window
8d 2h left
15 Sept 2026, 12:00 BST
Submission GatewayLegal Basis & Regime2023/54 · Competitive flexible procedure · Above thresholdEstimated Value (exc. VAT)£0
Bidder Intelligence · Authority Profile: THAMES WATER UTILITIES LIMITED
Market Analytics
View Authority Profile →
Derived from OCDS awards & bid statistics
Published history for THAMES WATER UTILITIES LIMITED. These figures describe retained records, not a forecast of bids or a measure of buyer bias.
Published-to-award variance
Not availableInsufficient comparable data
Requires at least 5 comparable procedures
Competition Density
7.4Bids / Report
0% of reports have one bid
Supplier ConcentrationHigh Concentration
OVERBURY PLCTop vendor: 100% of attributable value
Payment Terms
Check noticePublished terms
Payment obligations depend on the applicable regime and contract. Consult the official documents.
Coverage: 183 active published awards; 5 bid reports (which may be per lot). Supplier values exclude multi-supplier awards, frameworks and DPS, and use GBP only. They are published award values, not payments. Published-to-award variance compares single-lot, single-award, single-supplier GBP procedures with explicitly non-framework/non-DPS status; increases remain in the average. Unpublished data stays unknown. Awarded suppliers are winners, not all bidders.
Historical Awarded Suppliers With This Authority:
Supplier NameHistoric AwardsAttributable GBP Value
OVERBURY PLC1 win£7,200,000
Procedure terms
Contracting AuthorityTHAMES WATER UTILITIES LIMITED
Procedure methodCompetitive flexible procedure
Procurement categorygoods
Statusactive
Framework / DPSNot published
CompetitionNot published
Above thresholdYes
Legal basisUKPGA · 2023/54
Tender period startsNot published
Clarification deadline8 Sept 2026, 17:00 BST
Electronic submissionallowed
Submission languagesen
Published18 Aug 2026, 13:19 BST
Last source update18 Aug 2026, 13:19 BST
Recurring procurementNot published
ClassificationSolar energy
OCIDocds-h6vhtk-06e68b
How to participate
Submission methodNot published
Electronic submissionallowed
Clarification deadline8 Sept 2026, 17:00 BST
Submission languagesen
Expression of interest deadlineNot published
E-Sourcing Portal
Submission instructions
If you are interested in participating, please complete this form: https://forms.cloud.microsoft/e/1BQb6xH72W
What is being bought
IMPORTANT: Please read this section before deciding whether you wish to register for this event. This section provides you with information regarding the scope of this procurement and details some of the key requirements that a successful applicant MUST be able to deliver. The following conditions would be considered as some of key requirements for a supplier to meet to be considered for this opportunity: • Achilles Verification • Must have relevant experience to plan, manage and monitor the project • Must be able to comply with water industry standards, such as WIMES, where asset interaction is required The scope of work includes the finance, engineering, design, procurement, construction, testing and completion, and to operate and maintain two separate solar photovoltaic (PV) plants as summarised in the non-exhaustive list below: • Full design and engineering • Procurement • Installation • Commissioning • Distribution Network Operator (DNO) witnessing, testing and approval to satisfy the terms of the connection agreement or offer • Supporting OFGEM accreditation for REGOs • Operation and maintenance • Monthly and annual reporting • Training of emergency procedures • Training of essential operational activities • Documentation • Demarcation fencing and signage • Biodiversity net gain requirements and any visual impact requirements The PV installations are at two separate sites, both being ground mounted, with a maximum capacity of 1,000kWAC and 450kWAC. The Supplier shall design and optimise the size of the PV installation for behind-the-meter and achieve an attractive payback period and NPV. The scope will be awarded be via either an EPC or PPA (Power Purchase Agreement) model, with only one to be awarded. Thames Water reserves the right to refine the award criteria. Please note that that deadline for asking for access to the PSQ & submitting of the PSQ is 15 September 2026, at 12:00 p.m.
What changed
From the official release history
  1. Published value updated to £0
    18 Aug 2026, 13:19 BST
  2. Status changed to active
    18 Aug 2026, 13:19 BST
  3. Official notice release published
    18 Aug 2026, 13:19 BST
  4. Submission deadline changed to 15 Sept 2026, 12:00 BST
    18 Aug 2026, 13:19 BST
  5. Buyer information updated
    18 Aug 2026, 13:19 BST
Lots and requirements (2)
Published by the contracting authority
  • Lot 1 · #1
    Supply and Installation (EPC)
    active
    Renewal
    Published value£0
    The scope of work includes the engineering, design, procurement, construction, testing and completion, and to operate and maintain the solar photovoltaic (PV) plant as summarised in the non-exhaustive list below: [MD2.1] • Full design and engineering • Procurement • Installation • Commissioning • Distribution Network Operator (DNO) witnessing, testing and approval to satisfy the terms of the connection agreement or offer • Supporting OFGEM accreditation for REGOs • Operation and maintenance • Monthly and annual reporting • Training of emergency procedures • Training of essential operational activities • Documentation • Demarcation fencing and signage
    Contract period30 Apr 2027, 00:00 BST — 30 Apr 2042, 00:59 BST
    Eligibility
    SME eligible
    VCSE eligible
    Options / renewalLot 1: Thames Water envisages that the contract will be awarded for an initial term of 5 years, with no extension options. Lot 2: Thames Water envisages that the contract will be awarded for an initial term of 15 years with options to extend by 5 year or longer, up to a maximum overall term of 25 years.
  • Lot 2 · #2
    Fund, Design, Build, Ownership, Operation & Maintenance (PPA)
    active
    Renewal
    Published value£0
    The scope of work includes the funding, engineering, design, procurement, construction, testing and completion, and to operate and maintain the solar photovoltaic (PV) plant as summarised in the non-exhaustive list below[MD2.1]: • Full design and engineering • Procurement • Installation • Commissioning • Distribution Network Operator (DNO) witnessing, testing and approval to satisfy the terms of the connection agreement or offer • Supporting OFGEM accreditation for REGOs • Operation and maintenance • Monthly and annual reporting • Training of emergency procedures • Training of essential operational activities • Documentation • Demarcation fencing and signage
    Contract period30 Apr 2027, 00:00 BST — 30 Apr 2042, 00:59 BST
    Eligibility
    SME eligible
    VCSE eligible
    Options / renewalLot 1: Thames Water envisages that the contract will be awarded for an initial term of 5 years, with no extension options. Lot 2: Thames Water envisages that the contract will be awarded for an initial term of 15 years with options to extend by 5 year or longer, up to a maximum overall term of 25 years.
Timeline
  1. Procedure published
    18 Aug 2026, 13:19 BST
  2. Submission deadline
    15 Sept 2026, 12:00 BST
Commercial outcome and competition
AwardsNo award published
ContractsNo contract published
Bid statisticsNo aggregate bid statistics published
Buyer and organisations in this procedure

THAMES WATER UTILITIES LIMITED

Contracting authority GB-COH-02366661
View buyer profile
Documents (2)
Official links; attachments are not copied
Related procedures (0)
No data
No related procedures published