---
title: "Procurement of a >=300 kW Battery Energy Storage System (BESS)"
ocid: "ocds-kuma6s-155903"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-kuma6s-155903"
markdown_url: "https://d3tenders.com/contract/ocds-kuma6s-155903.md"
json_url: "https://d3tenders.com/contract/ocds-kuma6s-155903.json"
source: "Sell2Wales"
current_stage: "Tender"
buyer: "HYPPO HYDROGEN SOLUTIONS"
published: "2025-09-22"
---

# Procurement of a >=300 kW Battery Energy Storage System (BESS)

Buyer: HYPPO HYDROGEN SOLUTIONS  
Current stage: Tender  
OCID: ocds-kuma6s-155903

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-kuma6s-155903)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-kuma6s-155903.json)

## Summary

Hyppo Hydrogen Solutions is seeking qualified suppliers for the procurement of a ≥300 kW Battery Energy Storage System (BESS) as part of a smart local energy system at Bay Studios, Fabian Way, Swansea. This project integrates solar PV, hydrogen production, and energy management systems. The tender process is currently at the open procurement stage, with submissions closing on 24th October 2025. The procurement falls under the category of goods, specifically focusing on energy and related services like electricity, heating, solar, and nuclear energy. The contract will be awarded under an NEC4 Engineering and Construction Short Contract, and all activities must comply with UK regulations and industry standards.

This tender presents significant opportunities for businesses experienced in energy storage systems, renewable energy integration, and related services. Companies offering innovative design, effective cost solutions, and timely delivery stand to benefit, especially if they have a proven track record and technical capability. The project's focus on sustainability indicates that businesses with green credentials could have a competitive edge. It's well-suited for consortia bidding, allowing partnerships to leverage combined expertise and resources, potentially opening doors to future collaborations and expansion in the energy sector.

## Notice

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: PS175,000 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.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Sell2Wales |
| Latest notice | https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=155903 |
| Notice type | S2W Notice - Website Invitation to Tender Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Open |
| Procurement method details | Not specified |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 22 Sep 2025 |
| Submission deadline | 24 Oct 2025 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Not specified |
| Lots status | Not specified |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | HYPPO HYDROGEN SOLUTIONS |
| Locality | SWANSEA |
| Post town | Swansea |
| Postcode | SA2 9HY |
| Country | Wales |
| ITL 1 | TLL Wales |
| ITL 2 | TLL4 Mid and South West Wales |
| ITL 3 | TLL43 Swansea |
| Local authority | Swansea |
| Electoral ward | Sketty |
| Westminster constituency | Swansea West |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 09 - Petroleum products, fuel, electricity and other sources of energy
- 31 - Electrical machinery, apparatus, equipment and consumables; lighting
- 71 - Architectural, construction, engineering and inspection services

### Codes

- 09300000 - Electricity, heating, solar and nuclear energy
- 31422000 - Battery packs
- 71314000 - Energy and related services

## Release History

- 22 Sep 2025 at 08:53 - Tender - S2W Notice - Website Invitation to Tender Notice - https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=155903

## Notice URLs

- http://hyppo.co.uk
- https://hyppo.co.uk/tender
- https://www.sell2wales.gov.wales/Search/Search_Switch.aspx?ID=155903.The
- https://www.sell2wales.gov.wales/sitehelp/help_guides.aspx.Suppliers

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-kuma6s-155903. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-kuma6s-155903.json.
