Photovoltaic (PV) Installations Little Marlow and Maidenhead

THAMES WATER UTILITIES LIMITED

Published: Aug 18, 2026

Updated: Aug 18, 2026

Source: uk_fts

About This Opportunity

This is a supplies contract in the energy and power and construction and civil works sectors, with a focus on Transmission Distribution and Renewable Energy. Located in United Kingdom, Europe, this opportunity is open to firms and consortiums. Proposals must be submitted before September 15, 2026.

Published through UK FTS - Find a Tender Service, a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for the supply of goods in the energy and power sector. Supply contracts typically require bidders to demonstrate product compliance with technical specifications, delivery capacity, and relevant certifications. Interested parties should review the full documentation on the original source before submitting their proposal.

Description

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. 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 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

Data provenance

This notice is sourced from UK FTS - Find a Tender Service and was originally published on August 18, 2026. Last refreshed today. Reference: 078540-2026. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About THAMES WATER UTILITIES LIMITED

THAMES WATER UTILITIES LIMITED has issued 33 procurement notices on BidsFactory, including 3 currently open and 10 awarded contracts. Activity concentrates in Governance & Public Administration, Information & Communication Technology, and Energy & Power. All notices are published for United Kingdom. Notices are distributed via UK FTS - Find a Tender Service. Most recent publication: August 18, 2026.

Frequently asked questions about this tender

Who is the contracting authority?

This notice was issued by THAMES WATER UTILITIES LIMITED in United Kingdom. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

What type of contract is this?

This is a Supplies contract in the Energy & Power sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

Where will the contract be performed?

The contract is for delivery in United Kingdom. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.

How can I submit a bid?

Visit UK FTS - Find a Tender Service to access the full notice, required documents, and submission instructions. Quote reference 078540-2026 when communicating with the contracting authority.

When does this tender close?

The submission deadline is September 15, 2026. You have 28 days left to prepare and submit your proposal to the contracting authority.