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This option might apply where, for instance, there is a delay in completing the procurement for any subsequent phases envisaged under the DS3 Programme." } ] } }, { "id": "5", "title": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "RRD L5NI - Replacement Reserve (De-Synchronised)" } ], "description": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "RR (De-synchronised)' means replacement reserve provided by the providing unit when: \n(i) not Synchronised to the power system in the case of a synchronous providing unit, or\n(ii) when connected to the power system and operating at a level less or equal to 0 MW in the case of an energy storage providing unit, or\n(ii) when connected to the power system in the case of a demand side unit" } ], "status": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "active" }, { "releaseID": "027525-2026", "releaseDate": "2026-03-25T16:39:05Z", "releaseTag": [ "award", "contract" ], "value": "complete" } ], "value": { "amountGross": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": 3445000 } ], "amount": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": 2870833 } ], "currency": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "GBP" } ] }, "awardCriteria": { "weightingDescription": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "Technical Compliance and Legal " } ], "criteria": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": [ { "type": "quality", "name": "Technical Questionnaire", "description": "Refer to RFP" }, { "type": "quality", "name": "Legal", "description": "Refer to RFP" } ] } ] }, "selectionCriteria": { "criteria": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": [ { "type": "economic", "description": "Please refer to Request for Proposal" }, { "type": "technical", "description": "Please refer to Technical Questionnaire" } ] } ] }, "suitability": { "sme": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": true } ] }, "contractPeriod": { "startDate": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "2026-04-01T00:00:00+01:00" } ], "endDate": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "2026-09-30T23:59:59+01:00" } ], "maxExtentDate": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "2026-12-31T23:59:59+00:00" } ] }, "hasRenewal": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": true } ], "renewal": { "description": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "Option for TSO to extend the term of its Contract in respect of any or all of its applicable Lots in certain defined cases, at the discretion of the Contracting Entity. This option might apply where, for instance, there is a delay in completing the procurement for any subsequent phases envisaged under the DS3 Programme." } ] } }, { "id": "6", "title": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "RRS L6NI - Replacement Reserve (Synchronised)" } ], "description": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "RR (Synchronised)' means Replacement Reserve provided by the Providing Unit when: \n(i) synchronised to the power system in the case of a synchronous providing unit, or\n(ii) when connected to the power system and operating at a level greater than 0 MW in the case of an energy storage providing unit or\npower park module.\nII.2.5) Award criteria" } ], "status": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "active" }, { "releaseID": "027525-2026", "releaseDate": "2026-03-25T16:39:05Z", "releaseTag": [ "award", "contract" ], "value": "complete" } ], "value": { "amountGross": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": 3445000 } ], "amount": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": 2870833 } ], "currency": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "GBP" } ] }, "awardCriteria": { "weightingDescription": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "Technical Compliance and Legal " } ], "criteria": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": [ { "type": "quality", "name": "Technical Questionnaire", "description": "Refer to RFP" }, { "type": "quality", "name": "Legal", "description": "Refer to RFP" } ] } ] }, "selectionCriteria": { "criteria": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": [ { "type": "economic", "description": "Please refer to Request for Proposal" }, { "type": "technical", "description": "Please refer to Technical Questionnaire" } ] } ] }, "suitability": { "sme": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": true } ] }, "contractPeriod": { "startDate": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "2026-04-01T00:00:00+01:00" } ], "endDate": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "2026-09-30T23:59:59+01:00" } ], "maxExtentDate": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "2026-12-31T23:59:59+00:00" } ] }, "hasRenewal": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": true } ], "renewal": { "description": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "Option for TSO to extend the term of its Contract in respect of any or all of its applicable Lots in certain defined cases, at the discretion of the Contracting Entity. This option might apply where, for instance, there is a delay in completing the procurement for any subsequent phases envisaged under the DS3 Programme." } ] } }, { "id": "7", "title": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "SSRP L7NI - Steady State Reactive Power" } ], "description": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "Steady-state reactive power or 'SSRP' means reactive power capability (Leading) and reactive power capability" } ], "status": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "active" }, { "releaseID": "027525-2026", "releaseDate": "2026-03-25T16:39:05Z", "releaseTag": [ "award", "contract" ], "value": "complete" } ], "value": { "amountGross": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": 3445000 } ], "amount": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": 2870833 } ], "currency": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "GBP" } ] }, "awardCriteria": { "weightingDescription": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "Technical Compliance and Legal " } ], "criteria": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": [ { "type": "quality", "name": "Technical Questionnaire", "description": "Refer to RFP" }, { "type": "quality", "name": "Legal", "description": "Refer to RFP" } ] } ] }, "selectionCriteria": { "criteria": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": [ { "type": "economic", "description": "Please refer to Request for Proposal" }, { "type": "technical", "description": "Please refer to Technical Questionnaire" } ] } ] }, "suitability": { "sme": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": true } ] }, "contractPeriod": { "startDate": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "2026-04-01T00:00:00+01:00" } ], "endDate": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "2026-09-30T23:59:59+01:00" } ], "maxExtentDate": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "2026-12-31T23:59:59+00:00" } ] }, "hasRenewal": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": true } ], "renewal": { "description": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "Option for TSO to extend the term of its Contract in respect of any or all of its applicable Lots in certain defined cases, at the discretion of the Contracting Entity. This option might apply where, for instance, there is a delay in completing the procurement for any subsequent phases envisaged under the DS3 Programme." } ] } }, { "id": "8", "title": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "SIR L8NI - Synchronous Inertial Respons" } ], "description": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "Synchronous Inertial Response (SIR) is the kinetic energy (at a Frequency of 50 Hz) of a centrally dispatched synchronous providing unit multiplied by the SIR factor (SIRF)" } ], "status": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "active" }, { "releaseID": "027525-2026", "releaseDate": "2026-03-25T16:39:05Z", "releaseTag": [ "award", "contract" ], "value": "complete" } ], "value": { "amountGross": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": 3445000 } ], "amount": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": 2870833 } ], "currency": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "GBP" } ] }, "awardCriteria": { "weightingDescription": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "Technical Compliance and Legal " } ], "criteria": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": [ { "type": "quality", "name": "Technical Questionnaire", "description": "Refer to RFP" } ] } ] }, "selectionCriteria": { "criteria": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": [ { "type": "economic", "description": "Please refer to Request for Proposal" }, { "type": "technical", "description": "Please refer to Technical Questionnaire" } ] } ] }, "suitability": { "sme": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": true } ] }, "contractPeriod": { "startDate": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "2026-04-01T00:00:00+01:00" } ], "endDate": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "2026-09-30T23:59:59+01:00" } ], "maxExtentDate": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "2026-12-31T23:59:59+00:00" } ] }, "hasRenewal": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": true } ], "renewal": { "description": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "Option for TSO to extend the term of its Contract in respect of any or all of its applicable Lots in certain defined cases, at the discretion of the Contracting Entity. This option might apply where, for instance, there is a delay in completing the procurement for any subsequent phases envisaged under the DS3 Programme." } ] } }, { "id": "9", "title": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "RM1 L9NI - Ramping Margin 1 Hour" } ], "description": [ { "releaseID": "082303-2025", "releaseDate": "2025-12-12T09:47:08Z", "releaseTag": [ "tender" ], "value": "Ramping Margin 1 is the increased MW Output and/or MW Reduction that a providing unit can provide to the company within one hour of the company issuing a dispatch instruction to a service provider and that the providing unit can maintain for a further two hours after the one hour period has elapsed. 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