Procurement of a ≥300 kW Battery Energy Storage System (BESS)
Key facts
- Closing date
- 24 Oct 2025
- Procedure
- open
- Buyer type
- Other public body
- Source
- Sell2Wales archive (Open Contracting)
Description
Hyppo Hydrogen Solutions Ltd invites tenders from suitably qualified and experienced suppliers for the design, supply, installation, and commissioning of a ≥300 kW battery energy storage system (BESS) at Bay Studios, Fabian Way, Swansea.The project forms part of Hyppo’s wider smart local energy system development, integrating solar PV, hydrogen production, and energy management systems. The BESS must be capable of supporting grid services, load balancing, and renewable integration, while providing flexibility for future system upgrades.NOTE: To register your interest in this notice and obtain any additional information please visit the Sell2Wales Web Site at https://www.sell2wales.gov.wales/Search/Search_Switch.aspx?ID=155903.The buyer has indicated that it will accept electronic responses to this notice via the Postbox facility. A user guide is available at https://www.sell2wales.gov.wales/sitehelp/help_guides.aspx.Suppliers are advised to allow adequate time for uploading documents and to dispatch the electronic response well in advance of the closing time to avoid any last minute problems.
Budget and Funding• Maximum budget: £175,000 exclusive of VAT.Tenders exceeding the budget will be considered.Value for money and technical capability will be key assessment criteria.Evaluation CriteriaTenders will be assessed on the following weighted criteria:• Technical Capability & System Design – 25%• Cost Effectiveness / Value for Money – 50%• Experience & Track Record – 10%• Delivery Timescales – 10%• Sustainability / Added Value – 5%Supplier InstructionsInterested suppliers must submit a tender response including:1. Company details, relevant experience, and accreditations.2. Proposed BESS design and system specification.3. Detailed cost breakdown (equipment, installation, commissioning, optional O&M).4. Delivery and installation programme.5. Warranties, guarantees, and lifecycle performance assurances.6. Evidence of financial standing and insurance.7. References from similar projects.(WA Ref:155903)The buyer considers that this contract is suitable for consortia bidding.
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