--- title: "prj_7119 - Natural Gas Supply (Non-domestic)" ocid: "ocds-h6vhtk-05024e" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05024e" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05024e.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05024e.json" source: "Find A Tender Service" current_stage: "Tender" buyer: "SOUTHERN WATER SERVICES LIMITED" published: "2025-09-10" --- # prj_7119 - Natural Gas Supply (Non-domestic) Buyer: SOUTHERN WATER SERVICES LIMITED Current stage: Tender OCID: ocds-h6vhtk-05024e [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05024e) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-05024e.json) ## Summary Southern Water Services Limited, a leading private utility company based in Worthing, has initiated a procurement process for a significant contract titled "prj_7119 - Natural Gas Supply (Non-domestic)". This tender falls under the goods category, specifically targeting the natural gas and associated services industry, with an annual consumption of about 2.5GWh across 19 supply points in the South East of England, including Hampshire, Isle of Wight, Sussex, and Kent. Currently in the tender stage, the procurement process began with a notice published on 10 September 2025, and it requires submissions by 10 October 2025. Contracts are planned to start from 1 April 2026 for an initial period of four years, with possible extensions up to five years. Employing an open procurement method with a competitive flexible procedure under the Procurement Act 2023, this process aims to identify the most advantageous tender. This procurement presents a lucrative opportunity for Ofgem licenced natural gas suppliers seeking to expand their business in the UK utilities market. The fixed price contract with options for price adjustments based on market liquidity can appeal to suppliers able to offer competitive pricing and flexible service terms. Companies that have robust financial and technical capabilities, as outlined in the Pre-Qualification Questionnaire, and a comprehensive understanding of Southern Water's supply needs will find themselves well-positioned. Suppliers will need to register on the Southern Water e-sourcing platform to participate, ensuring compliance with the streamlined electronic submission process. This contract offers potential long-term partnership benefits and the possibility for extension, thereby providing a stable revenue stream for successful bidders. ## Notice Southern Water Services Limited (SWS) is seeking to award a single supplier Ofgem licenced supplier for provision of natural gas to all sites within their portfolio, in accordance with the specifications set out in the tender documentation (IITT). The portfolio currently consists of 19 supply points across South East of England (Hampshire, Isle of Wight, Sussex, Kent) with total annual consumption at approximately 2.5GWh. The composition of the portfolio may change before the contract commences; SWS also reserves the right to add/remove sites from portfolio during contract term with accordance to appropriate contractual provisions. The supply under the contract is to commence on 1st of April 2026. The initial contract period is 4 years, with the option to extend for up to a maximum duration of 5 years. SWS require a fixed price contract, with the ability to fix prices under the supply contract in 12 monthly periods (or multiply of) under any active term (subject to market liquidity). The procurement will be conducted in line with the Procurement Act 2023, ensuring a fair, transparent, and competitive process to identify the Most Advantageous Tender. ### Lot Information Lot 1 Renewal: Potential extension for period or periods of up to 5 years to be agreed by both Parties. It is assumed the extension would be subject to same Terms and Conditions of contracting (with the exclusion of some elements, e.g. pricing arrangements), however review of/amendments to Terms of Conditions of contract will be considered if required (e.g. due to industry changes). Any changes would require mutual agreement of both Parties. ### Planning Information Suppliers interested in this opportunity can engage with SWS via email provided, individual calls/teams meetings to disucss this requirement can be arranged on request. ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/055271-2025 | | Notice type | UK4 - Tender Notice | | Procurement type | Standard | | Procurement category | Goods | | Procurement method | Open | | Procurement method details | Competitive flexible procedure | | Tender suitability | Not specified | | Awardee scale | Not specified | | All stages | Planning, Tender | ## Dates | Field | Value | | --- | --- | | Publication date | 10 Sep 2025 | | Submission deadline | 10 Oct 2025 | | Future notice date | 23 May 2025 | | Award date | Not specified | | Contract period | 31 Mar 2026 - 31 Mar 2030 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £1,836,000 | | Lots value | £1,836,000 | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Active | | Lots status | Active | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | SOUTHERN WATER SERVICES LIMITED | | Locality | WORTHING | | Post town | Brighton | | Postcode | BN13 3NX | | Country | England | | ITL 1 | TLJ South East (England) | | ITL 2 | TLJ2 Surrey, East and West Sussex | | ITL 3 | TLJ27 West Sussex (South West) | | Local authority | Worthing | | Electoral ward | Northbrook | | Westminster constituency | Worthing West | | Delivery location | TLJ22 East Sussex CC, TLJ27 West Sussex (South West), TLJ28 West Sussex (North East), TLJ3 Hampshire and Isle of Wight, TLJ4 Kent | ## CPV Codes ### Divisions - 09 - Petroleum products, fuel, electricity and other sources of energy ### Codes - 09121200 - Mains gas - 09123000 - Natural gas - 09300000 - Electricity, heating, solar and nuclear energy ## Release History - 10 Sep 2025 at 09:23 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/055271-2025 - 14 Apr 2025 at 10:41 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/014890-2025 ## Documents - https://www.find-tender.service.gov.uk/Notice/055271-2025 10th September 2025 - Tender notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/014890-2025 14th April 2025 - Preliminary market engagement notice on Find a Tender ## Notice URLs - http://www.southernwater.co.uk - https://southernwater.bravosolution.co.uk - https://southernwater.bravosolution.co.uk/ - https://www.gov.uk/government/publications/procurement-act-2023-short-guides/suppliers-how-to-register-your-organisation-and-first-administrator-on-find-a-tender-in-three-easy-steps-html - https://www.legislation.gov.uk/ukpga/2023/54/contents ## 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-h6vhtk-05024e. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05024e.json.