Unmodified official OCDS data retained by Tenderline for this procurement process.
Complete current OCDS release JSON
{
"id": "071979-2026",
"tag": [
"tender"
],
"date": "2026-07-30T09:10:19+01:00",
"ocid": "ocds-h6vhtk-052235",
"buyer": {
"id": "GB-COH-11014226",
"name": "NATIONAL ENERGY SYSTEM OPERATOR LIMITED"
},
"tender": {
"id": "ocds-h6vhtk-052235",
"lots": [
{
"id": "1",
"title": "Engineering & Technical Analysis",
"value": {
"amount": 12100000,
"currency": "GBP",
"amountGross": 14520000
},
"status": "active",
"renewal": {
"description": "1 + 1 + 1 + 1 extension provision"
},
"hasRenewal": true,
"description": "Provision advice and consulting services across various energy types in relation to engineering and technical analysis advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to:\n• Asset assessment, Asset \nlifecycle modelling, CAPEX \noptimisation / investment \nplanning & Criticality \nframeworks and \nmaintenance strategy\n• Root-cause analysis\n• Risk analysis\n• Unit cost analysis and data\n• Engineering technical \nsupport & Network resilience \n• Problem resolution\n• Power system engineering \nanalysis\n• Gas network hydraulic \nanalysis\n• Energy Transition (Multi \nEnergy & Net Zero)",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Commercial",
"type": "cost",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "The commercial criteria shall be evaluated in line with the ITT Instructions against rate cards and rebates/discounts at 30% total.\nTerms and conditions alignment shall also be assessed but not scored."
},
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 60,
"weight": "percentageExact"
}
],
"description": "The Technical criteria shall be evaluated in line with the ITT Instructions at a total percentage of 60%.\nThe Technical assessment shall be split into two sections:\nGeneral Technical Assessment: 40%\nLot specific Assessment: 60%"
},
{
"name": "Social Value",
"type": "quality",
"numbers": [
{
"number": 10,
"weight": "percentageExact"
}
],
"description": "The Social Value criteria shall be evaluated in line with the ITT Instructions at a total percentage of 10%.\nFurther guidance on the social value model can be found at: https://www.gov.uk/government/publications/social-value-act-information-and-resources"
}
]
},
"contractPeriod": {
"endDate": "2031-01-03T23:59:59Z",
"startDate": "2027-01-04T00:00:00Z",
"maxExtentDate": "2035-01-03T23:59:59Z"
},
"selectionCriteria": {
"criteria": [
{
"description": "The PSQ shall be evaluated in line with the PSQ Instructions.\nThe PSQ evaluation shall be assed in two stages:\n1. Compliance to mandatory NESO specific questions (Pass/Fail) \n2. Technical assessment scoring criteria of 100%.\nShortlisted suppliers shall be invited to tender stage.",
"forReduction": true
}
]
}
},
{
"id": "2",
"title": "Modelling, Simulation & Analytics",
"value": {
"amount": 12100000,
"currency": "GBP",
"amountGross": 14520000
},
"status": "active",
"renewal": {
"description": "1 + 1 + 1 + 1 extension provision"
},
"hasRenewal": true,
"description": "Provision advice and consulting services in relation to the strategy formation of Modelling, Simulation & Analytics including, discovery, envisage and design stages of advice relevant to NESO specific requirements. Consultancy and advice in this area may include, but not limited to, consultancy relating to the following topics:\n• Power system modelling\n• Scenario analysis\n• Network & demand \nforecasting & planning \nsupport\n• Digital simulations\n• Nodal Plexos (or \nequivalent) modelling\n• Integrated energy system \nplanning\n• Flexibility & Future System \nModelling\n• Climate and Resilience \nanalysis and modelling\n• Energy transition analysis \nand modelling\n• Decarbonisation \nmodelling\nPlease note; Lot 2 does not include the procurement of data models or the provision of software and services packages. Projects which require end to end solutions from strategy, discovery design & implementation will be procured via alternative routes to market.",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Commercial",
"type": "cost",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "The commercial criteria shall be evaluated in line with the ITT Instructions against rate cards and rebates/discounts at 30% total.\nTerms and conditions alignment shall also be assessed but not scored."
},
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 60,
"weight": "percentageExact"
}
],
"description": "The Technical criteria shall be evaluated in line with the ITT Instructions at a total percentage of 60%.\nThe Technical assessment shall be split into two sections:\nGeneral Technical Assessment: 40%\nLot specific Assessment: 60%"
},
{
"name": "Social Value",
"type": "quality",
"numbers": [
{
"number": 10,
"weight": "percentageExact"
}
],
"description": "The Social Value criteria shall be evaluated in line with the ITT Instructions at a total percentage of 10%.\nFurther guidance on the social value model can be found at: https://www.gov.uk/government/publications/social-value-act-information-and-resources"
}
]
},
"contractPeriod": {
"endDate": "2031-01-03T23:59:59Z",
"startDate": "2027-01-04T00:00:00Z",
"maxExtentDate": "2035-01-03T23:59:59Z"
},
"selectionCriteria": {
"criteria": [
{
"description": "The PSQ shall be evaluated in line with the PSQ Instructions.\nThe PSQ evaluation shall be assed in two stages:\n1. Compliance to mandatory NESO specific questions (Pass/Fail) \n2. Technical assessment scoring criteria of 100%.\nShortlisted suppliers shall be invited to tender stage.",
"forReduction": true
}
]
}
},
{
"id": "3",
"title": "Strategic Technical Consultancy",
"value": {
"amount": 12100000,
"currency": "GBP",
"amountGross": 14520000
},
"status": "active",
"renewal": {
"description": "1 + 1 + 1 + 1 extension provision"
},
"hasRenewal": true,
"description": "Provision advice and consulting services in relation to Strategic Technical Consultancy advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to: \n• Whole-system strategy\n• Market analysis\n• Technical advisory\n• Infrastructure and \nOperational optimisation\n• Net Zero & Energy Transition \nStrategy\n• Resilience strategy (National \nenergy resilience planning & \nSecurity of supply strategy)",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Commercial",
"type": "cost",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "The commercial criteria shall be evaluated in line with the ITT Instructions against rate cards and rebates/discounts at 30% total.\nTerms and conditions alignment shall also be assessed but not scored."
},
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 60,
"weight": "percentageExact"
}
],
"description": "The Technical criteria shall be evaluated in line with the ITT Instructions at a total percentage of 60%.\nThe Technical assessment shall be split into two sections:\nGeneral Technical Assessment: 40%\nLot specific Assessment: 60%"
},
{
"name": "Social Value",
"type": "quality",
"numbers": [
{
"number": 10,
"weight": "percentageExact"
}
],
"description": "The Social Value criteria shall be evaluated in line with the ITT Instructions at a total percentage of 10%.\nFurther guidance on the social value model can be found at: https://www.gov.uk/government/publications/social-value-act-information-and-resources"
}
]
},
"contractPeriod": {
"endDate": "2031-01-03T23:59:59Z",
"startDate": "2027-01-04T00:00:00Z",
"maxExtentDate": "2035-01-03T23:59:59Z"
},
"selectionCriteria": {
"criteria": [
{
"description": "The PSQ shall be evaluated in line with the PSQ Instructions.\nThe PSQ evaluation shall be assed in two stages:\n1. Compliance to mandatory NESO specific questions (Pass/Fail) \n2. Technical assessment scoring criteria of 100%.\nShortlisted suppliers shall be invited to tender stage.",
"forReduction": true
}
]
}
},
{
"id": "4",
"title": "Technical Assurance - Safety, Quality & Compliance",
"value": {
"amount": 12100000,
"currency": "GBP",
"amountGross": 14520000
},
"status": "active",
"renewal": {
"description": "1 + 1 + 1 + 1 extension provision"
},
"hasRenewal": true,
"description": "Provision advice and consulting services in relation to Environmental, Safety & Compliance advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to:\n• Safety engineering\n• Quality management\n• Risk assessments and risk \nassessment methodologies\n• Technical policy review & \ndrafting \n• Stakeholder & Policy \nInterface and alignment\n• Advisory Climate & \nSustainability\n• Socio-economic Impact & \nConsumers analysis",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Commercial",
"type": "cost",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "The commercial criteria shall be evaluated in line with the ITT Instructions against rate cards and rebates/discounts at 30% total.\nTerms and conditions alignment shall also be assessed but not scored."
},
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 60,
"weight": "percentageExact"
}
],
"description": "The Technical criteria shall be evaluated in line with the ITT Instructions at a total percentage of 60%.\nThe Technical assessment shall be split into two sections:\nGeneral Technical Assessment: 40%\nLot specific Assessment: 60%"
},
{
"name": "Social Value",
"type": "quality",
"numbers": [
{
"number": 10,
"weight": "percentageExact"
}
],
"description": "The Social Value criteria shall be evaluated in line with the ITT Instructions at a total percentage of 10%.\nFurther guidance on the social value model can be found at: https://www.gov.uk/government/publications/social-value-act-information-and-resources"
}
]
},
"contractPeriod": {
"endDate": "2031-01-03T23:59:59Z",
"startDate": "2027-01-04T00:00:00Z",
"maxExtentDate": "2035-01-03T23:59:59Z"
},
"selectionCriteria": {
"criteria": [
{
"description": "The PSQ shall be evaluated in line with the PSQ Instructions.\nThe PSQ evaluation shall be assed in two stages:\n1. Compliance to mandatory NESO specific questions (Pass/Fail) \n2. Technical assessment scoring criteria of 100%.\nShortlisted suppliers shall be invited to tender stage.",
"forReduction": true
}
]
}
},
{
"id": "5",
"title": "Market Design & Economics & Regulation",
"value": {
"amount": 12100000,
"currency": "GBP",
"amountGross": 14520000
},
"status": "active",
"renewal": {
"description": "1 + 1 + 1 + 1 extension provision"
},
"hasRenewal": true,
"description": "Provision advice and consulting services in relation to Market Design & Economics & Regulation advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to:\n• Investment Mechanisms\n• Market design including \nwholesale Balancing and \nancillary markets\n• Economics regulatory \ndesign\n• Cost of Capital Analysis\n• Microeconomics & \nEconometrics \n• Auction design\n• Cost-benefit analysis\n• Reliability mechanisms",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Commercial",
"type": "cost",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "The commercial criteria shall be evaluated in line with the ITT Instructions against rate cards and rebates/discounts at 30% total.\nTerms and conditions alignment shall also be assessed but not scored."
},
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 60,
"weight": "percentageExact"
}
],
"description": "The Technical criteria shall be evaluated in line with the ITT Instructions at a total percentage of 60%.\nThe Technical assessment shall be split into two sections:\nGeneral Technical Assessment: 40%\nLot specific Assessment: 60%"
},
{
"name": "Social Value",
"type": "quality",
"numbers": [
{
"number": 10,
"weight": "percentageExact"
}
],
"description": "The Social Value criteria shall be evaluated in line with the ITT Instructions at a total percentage of 10%.\nFurther guidance on the social value model can be found at: https://www.gov.uk/government/publications/social-value-act-information-and-resources"
}
]
},
"contractPeriod": {
"endDate": "2031-01-03T23:59:59Z",
"startDate": "2027-01-04T00:00:00Z",
"maxExtentDate": "2035-01-03T23:59:59Z"
},
"selectionCriteria": {
"criteria": [
{
"description": "The PSQ shall be evaluated in line with the PSQ Instructions.\nThe PSQ evaluation shall be assed in two stages:\n1. Compliance to mandatory NESO specific questions (Pass/Fail) \n2. Technical assessment scoring criteria of 100%.\nShortlisted suppliers shall be invited to tender stage.",
"forReduction": true
}
]
}
}
],
"items": [
{
"id": "1",
"relatedLot": "1",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
},
{
"id": "2",
"relatedLot": "2",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
},
{
"id": "3",
"relatedLot": "3",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
},
{
"id": "4",
"relatedLot": "4",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
},
{
"id": "5",
"relatedLot": "5",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
}
],
"title": "Technical Consultancy Framework",
"value": {
"amount": 60500000,
"currency": "GBP",
"amountGross": 72600000
},
"status": "active",
"documents": [
{
"id": "conflictOfInterest",
"description": "Not published",
"documentType": "conflictOfInterest"
},
{
"id": "071979-2026",
"url": "https://www.find-tender.service.gov.uk/Notice/071979-2026",
"format": "text/html",
"noticeType": "UK4",
"description": "Tender notice on Find a Tender",
"documentType": "tenderNotice",
"datePublished": "2026-07-30T09:10:19+01:00"
}
],
"procedure": {
"features": "Two stage process of PSQ and ITT into Contract Award.\nRequests to participate shall be provided access to the PSQ subject to agreement to NESO specific Non-Disclosure Agreement and Non-Collusion Agreement."
},
"legalBasis": {
"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
},
"techniques": {
"frameworkAgreement": {
"type": "closed",
"method": "withAndWithoutReopeningCompetition",
"description": "Prices shall be evaluated in line with the commercial criteria at ITT stage. The framework shall create framework rate cards to be used at Call-Off."
},
"hasFrameworkAgreement": true
},
"awardPeriod": {
"endDate": "2026-12-11T23:59:59Z"
},
"description": "Technical Consultancy Framework shall be a multi-lot framework. Works shall be awarded in line Framework Call-Off Procedure. \nThe framework shall consist of 5 lots covering numerous disciplines:\n- Engineering & Technical Analysis, \n- Modelling, Simulation & Analytics, \n- Strategic Technical Consultancy, \n- Technical Assurance, Safety & Quality, \n- Market Modelling Design & Economics.\nOnce established works under the framework shall be awarded via a combination of competitive allocation and direct allocation.",
"specialRegime": [
"utilities"
],
"aboveThreshold": true,
"submissionTerms": {
"languages": [
"en"
],
"electronicSubmissionPolicy": "allowed"
},
"procurementMethod": "selective",
"mainProcurementCategory": "services",
"submissionMethodDetails": "The tenders shall be submitted via Ivalua.\nRegister to Ivalua using the below link and please ensure you are registered against the 71621000 commodity code:\nhttps://www.neso.energy/suppliers\nFor queries regarding access please use: support-neso@ivalua.com",
"procurementMethodDetails": "Competitive flexible procedure",
"expressionOfInterestDeadline": "2026-08-26T23:59:59+01:00"
},
"parties": [
{
"id": "GB-COH-11014226",
"name": "NATIONAL ENERGY SYSTEM OPERATOR LIMITED",
"roles": [
"buyer"
],
"address": {
"region": "UKJ11",
"country": "GB",
"locality": "Wokingham",
"postalCode": "RG41 5BN",
"countryName": "United Kingdom",
"streetAddress": "St Catherine's Lodge Bearwood Road"
},
"details": {
"classifications": [
{
"id": "publicUndertaking",
"scheme": "UK_CA_TYPE",
"description": "Public undertaking"
}
]
},
"identifier": {
"id": "11014226",
"scheme": "GB-COH"
},
"contactPoint": {
"email": "nesoprocurement@neso.energy"
},
"additionalIdentifiers": [
{
"id": "PHQL-5234-MWWV",
"scheme": "GB-PPON"
}
]
}
],
"language": "en",
"initiationType": "tender"
}Complete JSON history (4 releases)
30 Jul 2026 · 071979-2026 · tender
{
"id": "071979-2026",
"tag": [
"tender"
],
"date": "2026-07-30T09:10:19+01:00",
"ocid": "ocds-h6vhtk-052235",
"buyer": {
"id": "GB-COH-11014226",
"name": "NATIONAL ENERGY SYSTEM OPERATOR LIMITED"
},
"tender": {
"id": "ocds-h6vhtk-052235",
"lots": [
{
"id": "1",
"title": "Engineering & Technical Analysis",
"value": {
"amount": 12100000,
"currency": "GBP",
"amountGross": 14520000
},
"status": "active",
"renewal": {
"description": "1 + 1 + 1 + 1 extension provision"
},
"hasRenewal": true,
"description": "Provision advice and consulting services across various energy types in relation to engineering and technical analysis advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to:\n• Asset assessment, Asset \nlifecycle modelling, CAPEX \noptimisation / investment \nplanning & Criticality \nframeworks and \nmaintenance strategy\n• Root-cause analysis\n• Risk analysis\n• Unit cost analysis and data\n• Engineering technical \nsupport & Network resilience \n• Problem resolution\n• Power system engineering \nanalysis\n• Gas network hydraulic \nanalysis\n• Energy Transition (Multi \nEnergy & Net Zero)",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Commercial",
"type": "cost",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "The commercial criteria shall be evaluated in line with the ITT Instructions against rate cards and rebates/discounts at 30% total.\nTerms and conditions alignment shall also be assessed but not scored."
},
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 60,
"weight": "percentageExact"
}
],
"description": "The Technical criteria shall be evaluated in line with the ITT Instructions at a total percentage of 60%.\nThe Technical assessment shall be split into two sections:\nGeneral Technical Assessment: 40%\nLot specific Assessment: 60%"
},
{
"name": "Social Value",
"type": "quality",
"numbers": [
{
"number": 10,
"weight": "percentageExact"
}
],
"description": "The Social Value criteria shall be evaluated in line with the ITT Instructions at a total percentage of 10%.\nFurther guidance on the social value model can be found at: https://www.gov.uk/government/publications/social-value-act-information-and-resources"
}
]
},
"contractPeriod": {
"endDate": "2031-01-03T23:59:59Z",
"startDate": "2027-01-04T00:00:00Z",
"maxExtentDate": "2035-01-03T23:59:59Z"
},
"selectionCriteria": {
"criteria": [
{
"description": "The PSQ shall be evaluated in line with the PSQ Instructions.\nThe PSQ evaluation shall be assed in two stages:\n1. Compliance to mandatory NESO specific questions (Pass/Fail) \n2. Technical assessment scoring criteria of 100%.\nShortlisted suppliers shall be invited to tender stage.",
"forReduction": true
}
]
}
},
{
"id": "2",
"title": "Modelling, Simulation & Analytics",
"value": {
"amount": 12100000,
"currency": "GBP",
"amountGross": 14520000
},
"status": "active",
"renewal": {
"description": "1 + 1 + 1 + 1 extension provision"
},
"hasRenewal": true,
"description": "Provision advice and consulting services in relation to the strategy formation of Modelling, Simulation & Analytics including, discovery, envisage and design stages of advice relevant to NESO specific requirements. Consultancy and advice in this area may include, but not limited to, consultancy relating to the following topics:\n• Power system modelling\n• Scenario analysis\n• Network & demand \nforecasting & planning \nsupport\n• Digital simulations\n• Nodal Plexos (or \nequivalent) modelling\n• Integrated energy system \nplanning\n• Flexibility & Future System \nModelling\n• Climate and Resilience \nanalysis and modelling\n• Energy transition analysis \nand modelling\n• Decarbonisation \nmodelling\nPlease note; Lot 2 does not include the procurement of data models or the provision of software and services packages. Projects which require end to end solutions from strategy, discovery design & implementation will be procured via alternative routes to market.",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Commercial",
"type": "cost",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "The commercial criteria shall be evaluated in line with the ITT Instructions against rate cards and rebates/discounts at 30% total.\nTerms and conditions alignment shall also be assessed but not scored."
},
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 60,
"weight": "percentageExact"
}
],
"description": "The Technical criteria shall be evaluated in line with the ITT Instructions at a total percentage of 60%.\nThe Technical assessment shall be split into two sections:\nGeneral Technical Assessment: 40%\nLot specific Assessment: 60%"
},
{
"name": "Social Value",
"type": "quality",
"numbers": [
{
"number": 10,
"weight": "percentageExact"
}
],
"description": "The Social Value criteria shall be evaluated in line with the ITT Instructions at a total percentage of 10%.\nFurther guidance on the social value model can be found at: https://www.gov.uk/government/publications/social-value-act-information-and-resources"
}
]
},
"contractPeriod": {
"endDate": "2031-01-03T23:59:59Z",
"startDate": "2027-01-04T00:00:00Z",
"maxExtentDate": "2035-01-03T23:59:59Z"
},
"selectionCriteria": {
"criteria": [
{
"description": "The PSQ shall be evaluated in line with the PSQ Instructions.\nThe PSQ evaluation shall be assed in two stages:\n1. Compliance to mandatory NESO specific questions (Pass/Fail) \n2. Technical assessment scoring criteria of 100%.\nShortlisted suppliers shall be invited to tender stage.",
"forReduction": true
}
]
}
},
{
"id": "3",
"title": "Strategic Technical Consultancy",
"value": {
"amount": 12100000,
"currency": "GBP",
"amountGross": 14520000
},
"status": "active",
"renewal": {
"description": "1 + 1 + 1 + 1 extension provision"
},
"hasRenewal": true,
"description": "Provision advice and consulting services in relation to Strategic Technical Consultancy advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to: \n• Whole-system strategy\n• Market analysis\n• Technical advisory\n• Infrastructure and \nOperational optimisation\n• Net Zero & Energy Transition \nStrategy\n• Resilience strategy (National \nenergy resilience planning & \nSecurity of supply strategy)",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Commercial",
"type": "cost",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "The commercial criteria shall be evaluated in line with the ITT Instructions against rate cards and rebates/discounts at 30% total.\nTerms and conditions alignment shall also be assessed but not scored."
},
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 60,
"weight": "percentageExact"
}
],
"description": "The Technical criteria shall be evaluated in line with the ITT Instructions at a total percentage of 60%.\nThe Technical assessment shall be split into two sections:\nGeneral Technical Assessment: 40%\nLot specific Assessment: 60%"
},
{
"name": "Social Value",
"type": "quality",
"numbers": [
{
"number": 10,
"weight": "percentageExact"
}
],
"description": "The Social Value criteria shall be evaluated in line with the ITT Instructions at a total percentage of 10%.\nFurther guidance on the social value model can be found at: https://www.gov.uk/government/publications/social-value-act-information-and-resources"
}
]
},
"contractPeriod": {
"endDate": "2031-01-03T23:59:59Z",
"startDate": "2027-01-04T00:00:00Z",
"maxExtentDate": "2035-01-03T23:59:59Z"
},
"selectionCriteria": {
"criteria": [
{
"description": "The PSQ shall be evaluated in line with the PSQ Instructions.\nThe PSQ evaluation shall be assed in two stages:\n1. Compliance to mandatory NESO specific questions (Pass/Fail) \n2. Technical assessment scoring criteria of 100%.\nShortlisted suppliers shall be invited to tender stage.",
"forReduction": true
}
]
}
},
{
"id": "4",
"title": "Technical Assurance - Safety, Quality & Compliance",
"value": {
"amount": 12100000,
"currency": "GBP",
"amountGross": 14520000
},
"status": "active",
"renewal": {
"description": "1 + 1 + 1 + 1 extension provision"
},
"hasRenewal": true,
"description": "Provision advice and consulting services in relation to Environmental, Safety & Compliance advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to:\n• Safety engineering\n• Quality management\n• Risk assessments and risk \nassessment methodologies\n• Technical policy review & \ndrafting \n• Stakeholder & Policy \nInterface and alignment\n• Advisory Climate & \nSustainability\n• Socio-economic Impact & \nConsumers analysis",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Commercial",
"type": "cost",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "The commercial criteria shall be evaluated in line with the ITT Instructions against rate cards and rebates/discounts at 30% total.\nTerms and conditions alignment shall also be assessed but not scored."
},
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 60,
"weight": "percentageExact"
}
],
"description": "The Technical criteria shall be evaluated in line with the ITT Instructions at a total percentage of 60%.\nThe Technical assessment shall be split into two sections:\nGeneral Technical Assessment: 40%\nLot specific Assessment: 60%"
},
{
"name": "Social Value",
"type": "quality",
"numbers": [
{
"number": 10,
"weight": "percentageExact"
}
],
"description": "The Social Value criteria shall be evaluated in line with the ITT Instructions at a total percentage of 10%.\nFurther guidance on the social value model can be found at: https://www.gov.uk/government/publications/social-value-act-information-and-resources"
}
]
},
"contractPeriod": {
"endDate": "2031-01-03T23:59:59Z",
"startDate": "2027-01-04T00:00:00Z",
"maxExtentDate": "2035-01-03T23:59:59Z"
},
"selectionCriteria": {
"criteria": [
{
"description": "The PSQ shall be evaluated in line with the PSQ Instructions.\nThe PSQ evaluation shall be assed in two stages:\n1. Compliance to mandatory NESO specific questions (Pass/Fail) \n2. Technical assessment scoring criteria of 100%.\nShortlisted suppliers shall be invited to tender stage.",
"forReduction": true
}
]
}
},
{
"id": "5",
"title": "Market Design & Economics & Regulation",
"value": {
"amount": 12100000,
"currency": "GBP",
"amountGross": 14520000
},
"status": "active",
"renewal": {
"description": "1 + 1 + 1 + 1 extension provision"
},
"hasRenewal": true,
"description": "Provision advice and consulting services in relation to Market Design & Economics & Regulation advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to:\n• Investment Mechanisms\n• Market design including \nwholesale Balancing and \nancillary markets\n• Economics regulatory \ndesign\n• Cost of Capital Analysis\n• Microeconomics & \nEconometrics \n• Auction design\n• Cost-benefit analysis\n• Reliability mechanisms",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Commercial",
"type": "cost",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "The commercial criteria shall be evaluated in line with the ITT Instructions against rate cards and rebates/discounts at 30% total.\nTerms and conditions alignment shall also be assessed but not scored."
},
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 60,
"weight": "percentageExact"
}
],
"description": "The Technical criteria shall be evaluated in line with the ITT Instructions at a total percentage of 60%.\nThe Technical assessment shall be split into two sections:\nGeneral Technical Assessment: 40%\nLot specific Assessment: 60%"
},
{
"name": "Social Value",
"type": "quality",
"numbers": [
{
"number": 10,
"weight": "percentageExact"
}
],
"description": "The Social Value criteria shall be evaluated in line with the ITT Instructions at a total percentage of 10%.\nFurther guidance on the social value model can be found at: https://www.gov.uk/government/publications/social-value-act-information-and-resources"
}
]
},
"contractPeriod": {
"endDate": "2031-01-03T23:59:59Z",
"startDate": "2027-01-04T00:00:00Z",
"maxExtentDate": "2035-01-03T23:59:59Z"
},
"selectionCriteria": {
"criteria": [
{
"description": "The PSQ shall be evaluated in line with the PSQ Instructions.\nThe PSQ evaluation shall be assed in two stages:\n1. Compliance to mandatory NESO specific questions (Pass/Fail) \n2. Technical assessment scoring criteria of 100%.\nShortlisted suppliers shall be invited to tender stage.",
"forReduction": true
}
]
}
}
],
"items": [
{
"id": "1",
"relatedLot": "1",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
},
{
"id": "2",
"relatedLot": "2",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
},
{
"id": "3",
"relatedLot": "3",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
},
{
"id": "4",
"relatedLot": "4",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
},
{
"id": "5",
"relatedLot": "5",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
}
],
"title": "Technical Consultancy Framework",
"value": {
"amount": 60500000,
"currency": "GBP",
"amountGross": 72600000
},
"status": "active",
"documents": [
{
"id": "conflictOfInterest",
"description": "Not published",
"documentType": "conflictOfInterest"
},
{
"id": "071979-2026",
"url": "https://www.find-tender.service.gov.uk/Notice/071979-2026",
"format": "text/html",
"noticeType": "UK4",
"description": "Tender notice on Find a Tender",
"documentType": "tenderNotice",
"datePublished": "2026-07-30T09:10:19+01:00"
}
],
"procedure": {
"features": "Two stage process of PSQ and ITT into Contract Award.\nRequests to participate shall be provided access to the PSQ subject to agreement to NESO specific Non-Disclosure Agreement and Non-Collusion Agreement."
},
"legalBasis": {
"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
},
"techniques": {
"frameworkAgreement": {
"type": "closed",
"method": "withAndWithoutReopeningCompetition",
"description": "Prices shall be evaluated in line with the commercial criteria at ITT stage. The framework shall create framework rate cards to be used at Call-Off."
},
"hasFrameworkAgreement": true
},
"awardPeriod": {
"endDate": "2026-12-11T23:59:59Z"
},
"description": "Technical Consultancy Framework shall be a multi-lot framework. Works shall be awarded in line Framework Call-Off Procedure. \nThe framework shall consist of 5 lots covering numerous disciplines:\n- Engineering & Technical Analysis, \n- Modelling, Simulation & Analytics, \n- Strategic Technical Consultancy, \n- Technical Assurance, Safety & Quality, \n- Market Modelling Design & Economics.\nOnce established works under the framework shall be awarded via a combination of competitive allocation and direct allocation.",
"specialRegime": [
"utilities"
],
"aboveThreshold": true,
"submissionTerms": {
"languages": [
"en"
],
"electronicSubmissionPolicy": "allowed"
},
"procurementMethod": "selective",
"mainProcurementCategory": "services",
"submissionMethodDetails": "The tenders shall be submitted via Ivalua.\nRegister to Ivalua using the below link and please ensure you are registered against the 71621000 commodity code:\nhttps://www.neso.energy/suppliers\nFor queries regarding access please use: support-neso@ivalua.com",
"procurementMethodDetails": "Competitive flexible procedure",
"expressionOfInterestDeadline": "2026-08-26T23:59:59+01:00"
},
"parties": [
{
"id": "GB-COH-11014226",
"name": "NATIONAL ENERGY SYSTEM OPERATOR LIMITED",
"roles": [
"buyer"
],
"address": {
"region": "UKJ11",
"country": "GB",
"locality": "Wokingham",
"postalCode": "RG41 5BN",
"countryName": "United Kingdom",
"streetAddress": "St Catherine's Lodge Bearwood Road"
},
"details": {
"classifications": [
{
"id": "publicUndertaking",
"scheme": "UK_CA_TYPE",
"description": "Public undertaking"
}
]
},
"identifier": {
"id": "11014226",
"scheme": "GB-COH"
},
"contactPoint": {
"email": "nesoprocurement@neso.energy"
},
"additionalIdentifiers": [
{
"id": "PHQL-5234-MWWV",
"scheme": "GB-PPON"
}
]
}
],
"language": "en",
"initiationType": "tender"
}12 Dec 2025 · 082476-2025 · planning
{
"id": "082476-2025",
"tag": [
"planning"
],
"date": "2025-12-12T13:21:18Z",
"ocid": "ocds-h6vhtk-052235",
"buyer": {
"id": "GB-COH-11014226",
"name": "NATIONAL ENERGY SYSTEM OPERATOR LIMITED"
},
"tender": {
"id": "ocds-h6vhtk-052235",
"lots": [
{
"id": "1",
"status": "planned",
"hasRenewal": true,
"contractPeriod": {
"endDate": "2029-05-31T23:59:59+01:00",
"startDate": "2026-06-01T00:00:00+01:00",
"maxExtentDate": "2031-05-31T23:59:59+01:00"
}
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],
"items": [
{
"id": "1",
"relatedLot": "1",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71314300",
"scheme": "CPV",
"description": "Energy-efficiency consultancy services"
},
{
"id": "71600000",
"scheme": "CPV",
"description": "Technical testing, analysis and consultancy services"
},
{
"id": "73000000",
"scheme": "CPV",
"description": "Research and development services and related consultancy services"
}
]
}
],
"title": "Technical Consultancy Services",
"value": {
"amount": 31500000,
"currency": "GBP",
"amountGross": 37800000
},
"status": "planned",
"legalBasis": {
"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
},
"techniques": {
"hasFrameworkAgreement": true
},
"description": "The National Energy System Operator, NESO, is an independent, public corporation at the centre of the energy system taking a whole system view to create a world where everyone has access to reliable, clean and affordable energy.\nNESO is conducting preliminary market engagement to help shape our upcoming procurement of Technical Consultancy. Your feedback will help to inform our scope, approach and the commercial strategy.",
"aboveThreshold": true,
"mainProcurementCategory": "services"
},
"parties": [
{
"id": "GB-COH-11014226",
"name": "NATIONAL ENERGY SYSTEM OPERATOR LIMITED",
"roles": [
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],
"address": {
"region": "UKJ11",
"country": "GB",
"locality": "Wokingham",
"postalCode": "RG41 5BN",
"countryName": "United Kingdom",
"streetAddress": "St Catherine's Lodge Bearwood Road"
},
"details": {
"classifications": [
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}
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"identifier": {
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"scheme": "GB-COH"
},
"contactPoint": {
"email": "box.NESOIndirectsProcurement@neso.energy"
},
"additionalIdentifiers": [
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"scheme": "GB-PPON"
}
]
}
],
"language": "en",
"planning": {
"documents": [
{
"id": "082476-2025",
"url": "https://www.find-tender.service.gov.uk/Notice/082476-2025",
"format": "text/html",
"noticeType": "UK2",
"description": "Preliminary market engagement notice on Find a Tender",
"documentType": "marketEngagementNotice",
"datePublished": "2025-12-12T13:21:18Z"
}
],
"milestones": [
{
"id": "engagement",
"type": "engagement",
"status": "scheduled",
"dueDate": "2026-01-08T23:59:59Z",
"description": "Objectives of the Engagement\n1. Capture the expression of interest from technical consultancy providers who may wish to participate in the upcoming procurement\n2. Obtain structured feedback on key aspects of the proposed procurement, including:\n.Scope and lotting strategy\n.Delivery models and ways of working\n.Commercial models and procurement approach\nSubmitting your response would enable us to capture your expression of interest and help ensure the resulting framework is commercial viable, accessible and fit for purpose.\nResponse Instructions\nAll responses (including expression of interest) must be submitted via MS form link \nhttps://forms.office.com/e/6SMsr6CgPh\nby 8th January 2026, 12:00PM (BST).\nCompletion of this form:\n. Registers your expression of interest\n. Provides an opportunity to offer feedback\nEngagement Method\nAll supplier are requested to respond exclusively through the MS form.\nFor any queries or clarifications, please reach out to NESO Procurement team via box.NESOIndirectsProcurement@neso.energy. Please note that we will not be providing any additional information on individual basis to ensure fairness and transparency.\nDisclaimer\nThis is not a call for competition. Participation does not affect future tendering opportunities."
}
]
},
"initiationType": "tender"
}24 Sept 2025 · 059161-2025 · planningUpdate
{
"id": "059161-2025",
"tag": [
"planningUpdate"
],
"date": "2025-09-24T11:15:51+01:00",
"ocid": "ocds-h6vhtk-052235",
"buyer": {
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},
"tender": {
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"lots": [
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"id": "1",
"status": "planned",
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}
],
"title": "Technical Management Consultancy Services",
"value": {
"amount": 8000000,
"currency": "GBP",
"amountGross": 9600000
},
"status": "planned",
"legalBasis": {
"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
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"techniques": {
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},
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"language": "en",
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"documents": [
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"id": "059161-2025",
"url": "https://www.find-tender.service.gov.uk/Notice/059161-2025",
"format": "text/html",
"noticeType": "UK1",
"description": "Pipeline notice on Find a Tender",
"documentType": "plannedProcurementNotice",
"datePublished": "2025-09-24T11:15:51+01:00"
}
]
},
"initiationType": "tender"
}23 May 2025 · 026226-2025 · planning
{
"id": "026226-2025",
"tag": [
"planning"
],
"date": "2025-05-23T12:38:40+01:00",
"ocid": "ocds-h6vhtk-052235",
"buyer": {
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"tender": {
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"lots": [
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"id": "1",
"status": "planned",
"contractPeriod": {
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"startDate": "2026-05-01T00:00:00+01:00"
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"items": [
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"additionalClassifications": [
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}
]
}
],
"title": "Technical Management Consultancy Services",
"value": {
"amount": 8000000,
"currency": "GBP",
"amountGross": 9600000
},
"status": "planned",
"legalBasis": {
"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
},
"techniques": {
"hasFrameworkAgreement": true
},
"description": "Provision of technical management consultancy services",
"communication": {
"futureNoticeDate": "2025-11-01T23:59:59Z"
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"language": "en",
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"noticeType": "UK1",
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"datePublished": "2025-05-23T12:38:40+01:00"
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},
"initiationType": "tender"
}