Unmodified official OCDS data retained by Tenderline for this procurement process.
Complete current OCDS release JSON
{
"id": "011043-2026",
"tag": [
"award",
"contract"
],
"date": "2026-02-06T15:04:58Z",
"ocid": "ocds-h6vhtk-04b447",
"buyer": {
"id": "GB-COH-05046791",
"name": "Wales & West Utilities Limited"
},
"awards": [
{
"id": "011043-2026-WWU1440-1",
"status": "active",
"relatedLots": [
"2"
]
}
],
"tender": {
"id": "ocds-h6vhtk-04b447",
"lots": [
{
"id": "1",
"title": "Equipment Supply only",
"status": "cancelled",
"options": {
"description": "The contract term may be extended to accommodate the delivery of the project."
},
"hasOptions": true,
"description": "Blending equipment\nNatural gas inlet: Pressure: 75 mbar inlet, Temp: -5 to 40 C, Max consumption: Daily - 25384.11 kWh, Max consumption: ½ Hourly - 1191.88 kWh, Mean consumption: Daily - 20175.21 kWh, Mean consumption: ½ Hourly - 435.96 kWh\nHydrogen: Max H2 production: 45scmh (4.5kgH2/hr), Pressure: 2 to 7 bar from electrolyser but will be reduced to match the NG inlet, Temp: 60C from electrolyser but short run of pipe to blending tee so -5 to 60C\nBlended outlet: Injection into existing 3\" steel pipework at 75 mbar\nThe blending unit will be required to blend up to a maximum of 20% hydrogen by volume into the customers' existing natural gas supply. The injection will take place downstream of the meter where the end use is combustion to provide heat to the customers existing process. The customer process in non-interruptible and should the blend ratio go above the maximum allowable or if there is any failure of the hydrogen supply the blending infrastructure must be able to revert to 100% natural gas in order to maintain supply to the customer.\nThe blending infrastructure will need to be able to meet the requirements set out in the below Requirements section. These requirements are taken from the recently published FUNCTIONAL SPECIFICATION FOR HYDROGEN BLENDING INFRASTRUCTURE. WWU will own and operate the hydrogen blending unit and any associated equipment which will be located at the customers site in line with Model 2 in the functional blending spec.\nFUNCTIONAL REQUIREMENTS\nHYDROGEN PRESSURE REGULATION AND METERING Hydrogen pressure regulation and control is required to ensure there is sufficient pressure at the point of injection into the customers system. Pressure regulation and control shall be to IGEM/TD/13 and or IGEM/TD/23. Hydrogen volume and energy flowrate are required and the metering system shall be appropriate for hydrogen that is compliant with Table 5 of IGEM/H/1 and Table 2 of PAS 4444.\nACCURACY The hydrogen metering system should meet the accuracy requirements of Table 2 of the Functional Blending Specification in Appendix 1.\nHYDROGEN/GCV CONTROL Hydrogen injection rate shall be controlled so as to achieve:\na minimum gross calorific value of gas at the comingled point\na hydrogen content of the blend that is no greater than a maximum of 20% by volume\na Wobbe index of the blend that is no less than the lower Wobbe limit permitted by Schedule 3 of the GSMR.GAS SAMPLING AND ANALYSIS\nHYDROGEN SUPPLY Gas sampling and analysis shall continuously or continually monitor the hydrogen supplied to the hydrogen blending unit .\nCOMINGLED POINT Gas sampling and analysis shall continuously or continually monitor the blend at the comingled point and provide confirmation that it is compliant the minimum requirements agreed with WWU. A schedule of parameters that shall be monitored is given in Table 1 of the Functional Blending Specification.\nCalorific value shall be determined using an instrument approved by Ofgem for determination of calorific values for the purposes of determining the reference point against which flow weighted average calorific value (FWACV) capping shall apply. The instrument shall comply with the requirements listed in an appropriate Letter of Approval from Ofgem.\nACCURACY The gas analysis system(s) shall meet the accuracy requirements of Table 3 of the Functional Blending Specification in Appendix 1.\nREMOTELY OPERATED VALVE A Remotely Operated Valve (ROV) shall be supplied, which shall be capable of manual remote or automatic closure in the event of variation in blend outside of the agreed conditions or inability to provide sufficient blending where this is practiced. A more detailed description of trip and reset philosophy is given in the Gas Quality and Supervisory system functional block. The means of actuation of the ROV shall be the choice of WWU.\nFWACV FUNCTIONALITY The system shall deliver the functionality required for the FWACV regime, namely requirements set out in the Gas (COTE) Regulations. Conditions currently specified include the following:\nAcquisition and storage of gross CV of the supplied hydrogen from the approved CV determination device, together with a flag indicating its quality/suitability for use. For non-continual CV determination devices, the System - CV determination device interface shall be such that only one value of each CV determination is acquired.\nAcquisition and storage of instantaneous volumetric flowrate of hydrogen at the time of acquisition of gross CV.\nInitiation of daily calibration of CV determination device.\nAutomated tests of apparatus and equipment at periods not exceeding 35 days in accordance with Regulation 6(e) of the Gas (COTE) Regulations. The facility to manually initiate tests of apparatus and equipment either by, or at the request of, the Gas Examiner. Provision of a report of results of automated or manual tests in accordance with Regulation 6(e) of the Gas (COTE) Regulations.\nCalculation of the daily average CV of the hydrogen at the end of each Gas Day in the manner specified by the Letter of Direction or by WWU depending on site specific conditions. This will require confirmation of the quality of individual records (records are Good if the CV determination device is operating within agreed limits) and averaging of only those records that are Good and for which gas is flowing past the sample point. In addition, a flag shall be stored indicating whether the resulting daily average CV is Valid (i.e., the maximum time between Good records is less than 8 hours). Gross CV values during calibration or tests of apparatus and equipment shall not be included for averaging.\nAcquisition and storage of integrated daily volume at the end of the Gas Day.\nIn addition to local storage of individual data acquired, appropriate means of secure transfer of data to WWU\nAny software and hardware solutions are acceptable provided they deliver the required FWACV functionality, but WWU will require demonstration that the required functionality has been delivered.\nGAS QUALITY AND SUPERVISORY SYSTEM The Gas Quality and Supervisory system shall monitor hydrogen and blend quality signals from the hydrogen blending unit instrumentation, the remote monitoring unit instrumentation and the delivery facility instrumentation. Monitoring shall be continuous or continual and provide confirmation that the blend at the comingled point is compliant with the requirements set out by Table 1 of the functional blending specification.\nIn the event of an excursion in any of the parameters or any other parameters agreed by risk assessment (see 6.2 in the full blending specification document) the trip system shall initiate closure of the ROV on the hydrogen feed and prevent further injection of hydrogen into the customer process. The system should revert to a pure natural gas feed to ensure that customer operations are not interrupted.\nThe limit values in the parameters of Table 1 are indicative and site-specific values shall be agreed during design approval and may be subject to review if risk assessment confirms such a requirement (see 6.2 in the full blending specification document). All alarms and trips shall therefore be configurable.\nIf closure of the ROV has been initiated because of non-compliance with the parameters in Table 1 or any other parameters agreed by risk assessment (see 6.2 in the full blending specification document ), then its subsequent opening shall be under the sole control of WWU.\nDESIGN APPROVAL ASSETS OWNED BY WWU\nDesign approval for all assets owned by WWU shall be managed in accordance with IGEM/GL/5 and T/PM/GL/5.\nTESTING ASSETS OWNED BY WWU\nPressure testing of all pressure containing components and systems shall be carried out in accordance with Management/Work Procedure PT/1 pertaining to WWU. Testing of electrical and instrument systems and equipment shall be carried out in accordance with BS 7671 and BS EN 60079-14.\nCOMMISSIONING AND INITIAL VALIDATION\nGENERAL REQUIREMENTS\nAll personnel carrying out commissioning and initial validation shall be competent and adequately trained to do so.\nA written commissioning procedure shall be agreed and shall take into account relevant Permit to Work procedures.\nInitial validation shall be carried out in order to demonstrate the accuracy of the measurement system complies with the requirements of Table 2. Suitable systems, software or procedures shall be provided or agreed to ensure that compliance can be demonstrated.\nASSETS OWNED BY WWU\nFollowing satisfactory commissioning, validation of the flow and gas quality measurement system shall be carried out in accordance with the relevant parts of T/PR/ME/2 or an alternative documented procedure if appropriate.\nOPERATION\nCONTROL AND MONITORING OF CALORIFIC VALUE\nThe requirements for control and monitoring of calorific value shall be agreed in the with WWU.\nWWU shall at appropriate intervals calculate an appropriate target CV so as to minimise the risk of FWACV capping and communicate its value to the DFO and the hydrogen blending unit.\nThe hydrogen injection flowrate shall be controlled so as to ensure that instantaneous CV at the comingled point does not fall below the prevailing target CV, subject to:\nhydrogen content of the gas at the comingled point shall not be greater than that permitted by WWU\nWobbe index of the gas at the comingled point shall not be less than that permitted by the WWU.\nCONTROL AND MONITORING OF GAS QUALITY\nGas Quality of the gas at the comingled point shall be monitored so as to ensure compliance with the requirements set out by WWU. The frequency of monitoring shall be determined though measurement risk assessment.\nThe supplier will also need to consider :\n• Carry out a full Hazid/Hazop for integration into the whole system.\n• Identify the impact on the downstream process\n• Any potential storage needed to require a consistent blend\nNot required\n• Odorant injection"
},
{
"id": "2",
"title": "Equipment Supply & Install Complete",
"status": "cancelled",
"options": {
"description": "The contract term may be extended to accommodate the delivery of the project."
},
"hasOptions": true,
"description": "Connect electrolyser to inlet of blending equipment via designed pipework.\nConnect existing natural gas pipework into blending equipment inlet.\nConnect blending equipment outlet to the customers' existing gas service , downstream of the meter\nCarry out all civils for the Hydrogen blending equipment and pipework.\nNote : WWU reserve the right to carry out Work package 2 to inform future learnings of the gas networks activities."
}
],
"items": [
{
"id": "1",
"relatedLot": "1",
"deliveryAddresses": [
{
"region": "UK"
}
],
"additionalClassifications": [
{
"id": "31682210",
"scheme": "CPV",
"description": "Instrumentation and control equipment"
},
{
"id": "38200000",
"scheme": "CPV",
"description": "Geological and geophysical instruments"
},
{
"id": "38800000",
"scheme": "CPV",
"description": "Industrial process control equipment and remote-control equipment"
},
{
"id": "39341000",
"scheme": "CPV",
"description": "Gas pressure equipment"
}
]
},
{
"id": "2",
"relatedLot": "2",
"deliveryAddresses": [
{
"region": "UK"
}
],
"additionalClassifications": [
{
"id": "45333100",
"scheme": "CPV",
"description": "Gas regulation equipment installation work"
}
]
}
],
"title": "1NextGen Electrolysis - Blending Equipment",
"status": "complete",
"legalBasis": {
"id": "32014L0025",
"scheme": "CELEX"
},
"description": "WWU require a supplier to design and install a hydrogen blending unit and associated equipment to blend up to a maximum of 20% hydrogen by volume into the customers' existing natural gas supply. The injection will take place downstream of the meter where the end use is combustion to provide heat to the customers existing process. \nThe customer process is non-interruptible and should the blend ratio go above the maximum allowable or if there is any failure of the hydrogen supply the blending infrastructure must be able to revert to 100% natural gas in order to maintain supply to the customer. \nThe blending infrastructure will need to be able to meet the requirements set out in the scope. These requirements are taken from the recently published FUNCTIONAL SPECIFICATION FOR HYDROGEN BLENDING INFRASTRUCTURE a copy of which can be found in Appendix 1 in the scope. WWU will own and operate the hydrogen blending unit and any associated equipment which will be located at the customers site in line with Model 2 in the functional blending spec.",
"classification": {
"id": "39340000",
"scheme": "CPV",
"description": "Gas network equipment"
},
"procurementMethod": "selective",
"mainProcurementCategory": "goods",
"procurementMethodDetails": "Restricted procedure",
"additionalClassifications": [
{
"id": "39340000-KA06",
"scheme": "CPVS",
"description": "For the gas industry"
}
]
},
"parties": [
{
"id": "GB-COH-05046791",
"name": "Wales & West Utilities Limited",
"roles": [
"buyer"
],
"address": {
"region": "UK",
"locality": "Newport",
"postalCode": "NP108FZ",
"countryName": "United Kingdom",
"streetAddress": "Wales & West House"
},
"details": {
"url": "https://www.wwutilities.co.uk",
"classifications": [
{
"id": "PRODUCTION_TRANSPORT_DISTRIBUTION_GAS_HEAT",
"scheme": "TED_CE_ACTIVITY",
"description": "Production, transport and distribution of gas and heat"
}
]
},
"identifier": {
"id": "05046791",
"scheme": "GB-COH",
"legalName": "Wales & West Utilities Limited"
},
"contactPoint": {
"email": "wwuprocurement@wwutilities.co.uk"
}
},
{
"id": "GB-FTS-7885",
"name": "Wales & West Utilities Limited",
"roles": [
"reviewBody"
],
"address": {
"locality": "Newport",
"countryName": "United Kingdom"
},
"identifier": {
"legalName": "Wales & West Utilities Limited"
}
}
],
"language": "en",
"contracts": [
{
"id": "011043-2026-WWU1440-1",
"status": "active",
"awardID": "011043-2026-WWU1440-1",
"dateSigned": "2026-02-02T00:00:00Z"
}
],
"initiationType": "tender"
}Complete JSON history (3 releases)
6 Feb 2026 · 011043-2026 · award, contract
{
"id": "011043-2026",
"tag": [
"award",
"contract"
],
"date": "2026-02-06T15:04:58Z",
"ocid": "ocds-h6vhtk-04b447",
"buyer": {
"id": "GB-COH-05046791",
"name": "Wales & West Utilities Limited"
},
"awards": [
{
"id": "011043-2026-WWU1440-1",
"status": "active",
"relatedLots": [
"2"
]
}
],
"tender": {
"id": "ocds-h6vhtk-04b447",
"lots": [
{
"id": "1",
"title": "Equipment Supply only",
"status": "cancelled",
"options": {
"description": "The contract term may be extended to accommodate the delivery of the project."
},
"hasOptions": true,
"description": "Blending equipment\nNatural gas inlet: Pressure: 75 mbar inlet, Temp: -5 to 40 C, Max consumption: Daily - 25384.11 kWh, Max consumption: ½ Hourly - 1191.88 kWh, Mean consumption: Daily - 20175.21 kWh, Mean consumption: ½ Hourly - 435.96 kWh\nHydrogen: Max H2 production: 45scmh (4.5kgH2/hr), Pressure: 2 to 7 bar from electrolyser but will be reduced to match the NG inlet, Temp: 60C from electrolyser but short run of pipe to blending tee so -5 to 60C\nBlended outlet: Injection into existing 3\" steel pipework at 75 mbar\nThe blending unit will be required to blend up to a maximum of 20% hydrogen by volume into the customers' existing natural gas supply. The injection will take place downstream of the meter where the end use is combustion to provide heat to the customers existing process. The customer process in non-interruptible and should the blend ratio go above the maximum allowable or if there is any failure of the hydrogen supply the blending infrastructure must be able to revert to 100% natural gas in order to maintain supply to the customer.\nThe blending infrastructure will need to be able to meet the requirements set out in the below Requirements section. These requirements are taken from the recently published FUNCTIONAL SPECIFICATION FOR HYDROGEN BLENDING INFRASTRUCTURE. WWU will own and operate the hydrogen blending unit and any associated equipment which will be located at the customers site in line with Model 2 in the functional blending spec.\nFUNCTIONAL REQUIREMENTS\nHYDROGEN PRESSURE REGULATION AND METERING Hydrogen pressure regulation and control is required to ensure there is sufficient pressure at the point of injection into the customers system. Pressure regulation and control shall be to IGEM/TD/13 and or IGEM/TD/23. Hydrogen volume and energy flowrate are required and the metering system shall be appropriate for hydrogen that is compliant with Table 5 of IGEM/H/1 and Table 2 of PAS 4444.\nACCURACY The hydrogen metering system should meet the accuracy requirements of Table 2 of the Functional Blending Specification in Appendix 1.\nHYDROGEN/GCV CONTROL Hydrogen injection rate shall be controlled so as to achieve:\na minimum gross calorific value of gas at the comingled point\na hydrogen content of the blend that is no greater than a maximum of 20% by volume\na Wobbe index of the blend that is no less than the lower Wobbe limit permitted by Schedule 3 of the GSMR.GAS SAMPLING AND ANALYSIS\nHYDROGEN SUPPLY Gas sampling and analysis shall continuously or continually monitor the hydrogen supplied to the hydrogen blending unit .\nCOMINGLED POINT Gas sampling and analysis shall continuously or continually monitor the blend at the comingled point and provide confirmation that it is compliant the minimum requirements agreed with WWU. A schedule of parameters that shall be monitored is given in Table 1 of the Functional Blending Specification.\nCalorific value shall be determined using an instrument approved by Ofgem for determination of calorific values for the purposes of determining the reference point against which flow weighted average calorific value (FWACV) capping shall apply. The instrument shall comply with the requirements listed in an appropriate Letter of Approval from Ofgem.\nACCURACY The gas analysis system(s) shall meet the accuracy requirements of Table 3 of the Functional Blending Specification in Appendix 1.\nREMOTELY OPERATED VALVE A Remotely Operated Valve (ROV) shall be supplied, which shall be capable of manual remote or automatic closure in the event of variation in blend outside of the agreed conditions or inability to provide sufficient blending where this is practiced. A more detailed description of trip and reset philosophy is given in the Gas Quality and Supervisory system functional block. The means of actuation of the ROV shall be the choice of WWU.\nFWACV FUNCTIONALITY The system shall deliver the functionality required for the FWACV regime, namely requirements set out in the Gas (COTE) Regulations. Conditions currently specified include the following:\nAcquisition and storage of gross CV of the supplied hydrogen from the approved CV determination device, together with a flag indicating its quality/suitability for use. For non-continual CV determination devices, the System - CV determination device interface shall be such that only one value of each CV determination is acquired.\nAcquisition and storage of instantaneous volumetric flowrate of hydrogen at the time of acquisition of gross CV.\nInitiation of daily calibration of CV determination device.\nAutomated tests of apparatus and equipment at periods not exceeding 35 days in accordance with Regulation 6(e) of the Gas (COTE) Regulations. The facility to manually initiate tests of apparatus and equipment either by, or at the request of, the Gas Examiner. Provision of a report of results of automated or manual tests in accordance with Regulation 6(e) of the Gas (COTE) Regulations.\nCalculation of the daily average CV of the hydrogen at the end of each Gas Day in the manner specified by the Letter of Direction or by WWU depending on site specific conditions. This will require confirmation of the quality of individual records (records are Good if the CV determination device is operating within agreed limits) and averaging of only those records that are Good and for which gas is flowing past the sample point. In addition, a flag shall be stored indicating whether the resulting daily average CV is Valid (i.e., the maximum time between Good records is less than 8 hours). Gross CV values during calibration or tests of apparatus and equipment shall not be included for averaging.\nAcquisition and storage of integrated daily volume at the end of the Gas Day.\nIn addition to local storage of individual data acquired, appropriate means of secure transfer of data to WWU\nAny software and hardware solutions are acceptable provided they deliver the required FWACV functionality, but WWU will require demonstration that the required functionality has been delivered.\nGAS QUALITY AND SUPERVISORY SYSTEM The Gas Quality and Supervisory system shall monitor hydrogen and blend quality signals from the hydrogen blending unit instrumentation, the remote monitoring unit instrumentation and the delivery facility instrumentation. Monitoring shall be continuous or continual and provide confirmation that the blend at the comingled point is compliant with the requirements set out by Table 1 of the functional blending specification.\nIn the event of an excursion in any of the parameters or any other parameters agreed by risk assessment (see 6.2 in the full blending specification document) the trip system shall initiate closure of the ROV on the hydrogen feed and prevent further injection of hydrogen into the customer process. The system should revert to a pure natural gas feed to ensure that customer operations are not interrupted.\nThe limit values in the parameters of Table 1 are indicative and site-specific values shall be agreed during design approval and may be subject to review if risk assessment confirms such a requirement (see 6.2 in the full blending specification document). All alarms and trips shall therefore be configurable.\nIf closure of the ROV has been initiated because of non-compliance with the parameters in Table 1 or any other parameters agreed by risk assessment (see 6.2 in the full blending specification document ), then its subsequent opening shall be under the sole control of WWU.\nDESIGN APPROVAL ASSETS OWNED BY WWU\nDesign approval for all assets owned by WWU shall be managed in accordance with IGEM/GL/5 and T/PM/GL/5.\nTESTING ASSETS OWNED BY WWU\nPressure testing of all pressure containing components and systems shall be carried out in accordance with Management/Work Procedure PT/1 pertaining to WWU. Testing of electrical and instrument systems and equipment shall be carried out in accordance with BS 7671 and BS EN 60079-14.\nCOMMISSIONING AND INITIAL VALIDATION\nGENERAL REQUIREMENTS\nAll personnel carrying out commissioning and initial validation shall be competent and adequately trained to do so.\nA written commissioning procedure shall be agreed and shall take into account relevant Permit to Work procedures.\nInitial validation shall be carried out in order to demonstrate the accuracy of the measurement system complies with the requirements of Table 2. Suitable systems, software or procedures shall be provided or agreed to ensure that compliance can be demonstrated.\nASSETS OWNED BY WWU\nFollowing satisfactory commissioning, validation of the flow and gas quality measurement system shall be carried out in accordance with the relevant parts of T/PR/ME/2 or an alternative documented procedure if appropriate.\nOPERATION\nCONTROL AND MONITORING OF CALORIFIC VALUE\nThe requirements for control and monitoring of calorific value shall be agreed in the with WWU.\nWWU shall at appropriate intervals calculate an appropriate target CV so as to minimise the risk of FWACV capping and communicate its value to the DFO and the hydrogen blending unit.\nThe hydrogen injection flowrate shall be controlled so as to ensure that instantaneous CV at the comingled point does not fall below the prevailing target CV, subject to:\nhydrogen content of the gas at the comingled point shall not be greater than that permitted by WWU\nWobbe index of the gas at the comingled point shall not be less than that permitted by the WWU.\nCONTROL AND MONITORING OF GAS QUALITY\nGas Quality of the gas at the comingled point shall be monitored so as to ensure compliance with the requirements set out by WWU. The frequency of monitoring shall be determined though measurement risk assessment.\nThe supplier will also need to consider :\n• Carry out a full Hazid/Hazop for integration into the whole system.\n• Identify the impact on the downstream process\n• Any potential storage needed to require a consistent blend\nNot required\n• Odorant injection"
},
{
"id": "2",
"title": "Equipment Supply & Install Complete",
"status": "cancelled",
"options": {
"description": "The contract term may be extended to accommodate the delivery of the project."
},
"hasOptions": true,
"description": "Connect electrolyser to inlet of blending equipment via designed pipework.\nConnect existing natural gas pipework into blending equipment inlet.\nConnect blending equipment outlet to the customers' existing gas service , downstream of the meter\nCarry out all civils for the Hydrogen blending equipment and pipework.\nNote : WWU reserve the right to carry out Work package 2 to inform future learnings of the gas networks activities."
}
],
"items": [
{
"id": "1",
"relatedLot": "1",
"deliveryAddresses": [
{
"region": "UK"
}
],
"additionalClassifications": [
{
"id": "31682210",
"scheme": "CPV",
"description": "Instrumentation and control equipment"
},
{
"id": "38200000",
"scheme": "CPV",
"description": "Geological and geophysical instruments"
},
{
"id": "38800000",
"scheme": "CPV",
"description": "Industrial process control equipment and remote-control equipment"
},
{
"id": "39341000",
"scheme": "CPV",
"description": "Gas pressure equipment"
}
]
},
{
"id": "2",
"relatedLot": "2",
"deliveryAddresses": [
{
"region": "UK"
}
],
"additionalClassifications": [
{
"id": "45333100",
"scheme": "CPV",
"description": "Gas regulation equipment installation work"
}
]
}
],
"title": "1NextGen Electrolysis - Blending Equipment",
"status": "complete",
"legalBasis": {
"id": "32014L0025",
"scheme": "CELEX"
},
"description": "WWU require a supplier to design and install a hydrogen blending unit and associated equipment to blend up to a maximum of 20% hydrogen by volume into the customers' existing natural gas supply. The injection will take place downstream of the meter where the end use is combustion to provide heat to the customers existing process. \nThe customer process is non-interruptible and should the blend ratio go above the maximum allowable or if there is any failure of the hydrogen supply the blending infrastructure must be able to revert to 100% natural gas in order to maintain supply to the customer. \nThe blending infrastructure will need to be able to meet the requirements set out in the scope. These requirements are taken from the recently published FUNCTIONAL SPECIFICATION FOR HYDROGEN BLENDING INFRASTRUCTURE a copy of which can be found in Appendix 1 in the scope. WWU will own and operate the hydrogen blending unit and any associated equipment which will be located at the customers site in line with Model 2 in the functional blending spec.",
"classification": {
"id": "39340000",
"scheme": "CPV",
"description": "Gas network equipment"
},
"procurementMethod": "selective",
"mainProcurementCategory": "goods",
"procurementMethodDetails": "Restricted procedure",
"additionalClassifications": [
{
"id": "39340000-KA06",
"scheme": "CPVS",
"description": "For the gas industry"
}
]
},
"parties": [
{
"id": "GB-COH-05046791",
"name": "Wales & West Utilities Limited",
"roles": [
"buyer"
],
"address": {
"region": "UK",
"locality": "Newport",
"postalCode": "NP108FZ",
"countryName": "United Kingdom",
"streetAddress": "Wales & West House"
},
"details": {
"url": "https://www.wwutilities.co.uk",
"classifications": [
{
"id": "PRODUCTION_TRANSPORT_DISTRIBUTION_GAS_HEAT",
"scheme": "TED_CE_ACTIVITY",
"description": "Production, transport and distribution of gas and heat"
}
]
},
"identifier": {
"id": "05046791",
"scheme": "GB-COH",
"legalName": "Wales & West Utilities Limited"
},
"contactPoint": {
"email": "wwuprocurement@wwutilities.co.uk"
}
},
{
"id": "GB-FTS-7885",
"name": "Wales & West Utilities Limited",
"roles": [
"reviewBody"
],
"address": {
"locality": "Newport",
"countryName": "United Kingdom"
},
"identifier": {
"legalName": "Wales & West Utilities Limited"
}
}
],
"language": "en",
"contracts": [
{
"id": "011043-2026-WWU1440-1",
"status": "active",
"awardID": "011043-2026-WWU1440-1",
"dateSigned": "2026-02-02T00:00:00Z"
}
],
"initiationType": "tender"
}14 Oct 2025 · 065271-2025 · award, contract
{
"id": "065271-2025",
"tag": [
"award",
"contract"
],
"date": "2025-10-14T15:24:34+01:00",
"ocid": "ocds-h6vhtk-04b447",
"buyer": {
"id": "GB-COH-05046791",
"name": "Wales & West Utilities Limited"
},
"awards": [
{
"id": "065271-2025-WWU1440-1",
"status": "active"
}
],
"tender": {
"id": "WWU1440",
"lots": [
{
"id": "1",
"title": "Lot 1 Equipment Supply only",
"status": "cancelled",
"options": {
"description": "The contract term may be extended to accommodate delivery of the project."
},
"hasOptions": true,
"description": "Blending equipment\nNatural gas inlet: Pressure: 75 mbar inlet, Temp: -5 to 40 C, Max consumption: Daily - 25384.11 kWh, Max consumption: ½ Hourly - 1191.88 kWh, Mean consumption: Daily - 20175.21 kWh, Mean consumption: ½ Hourly - 435.96 kWh\nHydrogen: Max H2 production: 45scmh (4.5kgH2/hr), Pressure: 2 to 7 bar from electrolyser but will be reduced to match the NG inlet, Temp: 60C from electrolyser but short run of pipe to blending tee so -5 to 60C\nBlended outlet: Injection into existing 3\" steel pipework at 75 mbar\nThe blending unit will be required to blend up to a maximum of 20% hydrogen by volume into the customers' existing natural gas supply. The injection will take place downstream of the meter where the end use is combustion to provide heat to the customers existing process. The customer process in non-interruptible and should the blend ratio go above the maximum allowable or if there is any failure of the hydrogen supply the blending infrastructure must be able to revert to 100% natural gas in order to maintain supply to the customer.\nThe blending infrastructure will need to be able to meet the requirements set out in the below Requirements section. These requirements are taken from the recently published FUNCTIONAL SPECIFICATION FOR HYDROGEN BLENDING INFRASTRUCTURE. WWU will own and operate the hydrogen blending unit and any associated equipment which will be located at the customers site in line with Model 2 in the functional blending spec.\nFUNCTIONAL REQUIREMENTS\nHYDROGEN PRESSURE REGULATION AND METERING Hydrogen pressure regulation and control is required to ensure there is sufficient pressure at the point of injection into the customers system. Pressure regulation and control shall be to IGEM/TD/13 and or IGEM/TD/23. Hydrogen volume and energy flowrate are required and the metering system shall be appropriate for hydrogen that is compliant with Table 5 of IGEM/H/1 and Table 2 of PAS 4444.\nACCURACY The hydrogen metering system should meet the accuracy requirements of Table 2 of the Functional Blending Specification in Appendix 1.\nHYDROGEN/GCV CONTROL Hydrogen injection rate shall be controlled so as to achieve:\na minimum gross calorific value of gas at the comingled point\na hydrogen content of the blend that is no greater than a maximum of 20% by volume\na Wobbe index of the blend that is no less than the lower Wobbe limit permitted by Schedule 3 of the GSMR.GAS SAMPLING AND ANALYSIS\nHYDROGEN SUPPLY Gas sampling and analysis shall continuously or continually monitor the hydrogen supplied to the hydrogen blending unit .\nCOMINGLED POINT Gas sampling and analysis shall continuously or continually monitor the blend at the comingled point and provide confirmation that it is compliant the minimum requirements agreed with WWU. A schedule of parameters that shall be monitored is given in Table 1 of the Functional Blending Specification.\nCalorific value shall be determined using an instrument approved by Ofgem for determination of calorific values for the purposes of determining the reference point against which flow weighted average calorific value (FWACV) capping shall apply. The instrument shall comply with the requirements listed in an appropriate Letter of Approval from Ofgem.\nACCURACY The gas analysis system(s) shall meet the accuracy requirements of Table 3 of the Functional Blending Specification in Appendix 1.\nREMOTELY OPERATED VALVE A Remotely Operated Valve (ROV) shall be supplied, which shall be capable of manual remote or automatic closure in the event of variation in blend outside of the agreed conditions or inability to provide sufficient blending where this is practiced. A more detailed description of trip and reset philosophy is given in the Gas Quality and Supervisory system functional block. The means of actuation of the ROV shall be the choice of WWU.\nFWACV FUNCTIONALITY The system shall deliver the functionality required for the FWACV regime, namely requirements set out in the Gas (COTE) Regulations. Conditions currently specified include the following:\nAcquisition and storage of gross CV of the supplied hydrogen from the approved CV determination device, together with a flag indicating its quality/suitability for use. For non-continual CV determination devices, the System - CV determination device interface shall be such that only one value of each CV determination is acquired.\nAcquisition and storage of instantaneous volumetric flowrate of hydrogen at the time of acquisition of gross CV.\nInitiation of daily calibration of CV determination device.\nAutomated tests of apparatus and equipment at periods not exceeding 35 days in accordance with Regulation 6(e) of the Gas (COTE) Regulations. The facility to manually initiate tests of apparatus and equipment either by, or at the request of, the Gas Examiner. Provision of a report of results of automated or manual tests in accordance with Regulation 6(e) of the Gas (COTE) Regulations.\nCalculation of the daily average CV of the hydrogen at the end of each Gas Day in the manner specified by the Letter of Direction or by WWU depending on site specific conditions. This will require confirmation of the quality of individual records (records are Good if the CV determination device is operating within agreed limits) and averaging of only those records that are Good and for which gas is flowing past the sample point. In addition, a flag shall be stored indicating whether the resulting daily average CV is Valid (i.e., the maximum time between Good records is less than 8 hours). Gross CV values during calibration or tests of apparatus and equipment shall not be included for averaging.\nAcquisition and storage of integrated daily volume at the end of the Gas Day.\nIn addition to local storage of individual data acquired, appropriate means of secure transfer of data to WWU\nAny software and hardware solutions are acceptable provided they deliver the required FWACV functionality, but WWU will require demonstration that the required functionality has been delivered.\nGAS QUALITY AND SUPERVISORY SYSTEM The Gas Quality and Supervisory system shall monitor hydrogen and blend quality signals from the hydrogen blending unit instrumentation, the remote monitoring unit instrumentation and the delivery facility instrumentation. Monitoring shall be continuous or continual and provide confirmation that the blend at the comingled point is compliant with the requirements set out by Table 1 of the functional blending specification.\nIn the event of an excursion in any of the parameters or any other parameters agreed by risk assessment (see 6.2 in the full blending specification document) the trip system shall initiate closure of the ROV on the hydrogen feed and prevent further injection of hydrogen into the customer process. The system should revert to a pure natural gas feed to ensure that customer operations are not interrupted.\nThe limit values in the parameters of Table 1 are indicative and site-specific values shall be agreed during design approval and may be subject to review if risk assessment confirms such a requirement (see 6.2 in the full blending specification document). All alarms and trips shall therefore be configurable.\nIf closure of the ROV has been initiated because of non-compliance with the parameters in Table 1 or any other parameters agreed by risk assessment (see 6.2 in the full blending specification document ), then its subsequent opening shall be under the sole control of WWU.\nDESIGN APPROVAL ASSETS OWNED BY WWU\nDesign approval for all assets owned by WWU shall be managed in accordance with IGEM/GL/5 and T/PM/GL/5.\nTESTING ASSETS OWNED BY WWU\nPressure testing of all pressure containing components and systems shall be carried out in accordance with Management/Work Procedure PT/1 pertaining to WWU. Testing of electrical and instrument systems and equipment shall be carried out in accordance with BS 7671 and BS EN 60079-14.\nCOMMISSIONING AND INITIAL VALIDATION\nGENERAL REQUIREMENTS\nAll personnel carrying out commissioning and initial validation shall be competent and adequately trained to do so.\nA written commissioning procedure shall be agreed and shall take into account relevant Permit to Work procedures.\nInitial validation shall be carried out in order to demonstrate the accuracy of the measurement system complies with the requirements of Table 2. Suitable systems, software or procedures shall be provided or agreed to ensure that compliance can be demonstrated.\nASSETS OWNED BY WWU\nFollowing satisfactory commissioning, validation of the flow and gas quality measurement system shall be carried out in accordance with the relevant parts of T/PR/ME/2 or an alternative documented procedure if appropriate.\nOPERATION\nCONTROL AND MONITORING OF CALORIFIC VALUE\nThe requirements for control and monitoring of calorific value shall be agreed in the with WWU.\nWWU shall at appropriate intervals calculate an appropriate target CV so as to minimise the risk of FWACV capping and communicate its value to the DFO and the hydrogen blending unit.\nThe hydrogen injection flowrate shall be controlled so as to ensure that instantaneous CV at the comingled point does not fall below the prevailing target CV, subject to:\nhydrogen content of the gas at the comingled point shall not be greater than that permitted by WWU\nWobbe index of the gas at the comingled point shall not be less than that permitted by the WWU.\nCONTROL AND MONITORING OF GAS QUALITY\nGas Quality of the gas at the comingled point shall be monitored so as to ensure compliance with the requirements set out by WWU. The frequency of monitoring shall be determined though measurement risk assessment.\nThe supplier will also need to consider :\n• Carry out a full Hazid/Hazop for integration into the whole system.\n• Identify the impact on the downstream process\n• Any potential storage needed to require a consistent blend\nNot required\n• Odorant injection"
},
{
"id": "2",
"title": "Equipment Supply & Install Complete",
"status": "cancelled",
"options": {
"description": "The contract term may be extended to accommodate delivery of the project."
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"hasOptions": true,
"description": "Connect electrolyser to inlet of blending equipment via designed pipework.\nConnect existing natural gas pipework into blending equipment inlet.\nConnect blending equipment outlet to the customers' existing gas service , downstream of the meter\nCarry out all civils for the Hydrogen blending equipment and pipework.\nNote : WWU reserve the right to carry out Work package 2 to inform future learnings of the gas networks activities."
}
],
"items": [
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},
{
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},
{
"region": "UKJ"
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{
"region": "UKK"
},
{
"region": "UKL"
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"description": "Instruments for measuring flow, level and pressure of liquids and gases"
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{
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{
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"description": "Wales & The South West of England"
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}
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"additionalClassifications": [
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"title": "1NextGen Electrolysis - Blending Equipment",
"status": "complete",
"legalBasis": {
"id": "32014L0025",
"scheme": "CELEX"
},
"description": "WWU require a supplier to design and install a hydrogen blending unit and associated equipment to blend up to a maximum of 20% hydrogen by volume into the customers' existing natural gas supply. The injection will take place downstream of the meter where the end use is combustion to provide heat to the customers existing process.\nThe customer process in non-interruptible and should the blend ratio go above the maximum allowable or if there is any failure of the hydrogen supply the blending infrastructure must be able to revert to 100% natural gas in order to maintain supply to the customer.\nThe blending infrastructure will need to be able to meet the requirements set out in the scope. These requirements are taken from the recently published FUNCTIONAL SPECIFICATION FOR HYDROGEN BLENDING INFRASTRUCTURE a copy of which can be found in Appendix 1 in the scope. WWU will own and operate the hydrogen blending unit and any associated equipment which will be located at the customers site in line with Model 2 in the functional blending spec.",
"classification": {
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"id": "GB-COH-05046791",
"name": "Wales & West Utilities Limited",
"roles": [
"buyer"
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"region": "UKL21",
"locality": "Newport",
"postalCode": "NP108FZ",
"countryName": "United Kingdom",
"streetAddress": "Wales & West House"
},
"details": {
"url": "https://www.wwutilities.co.uk",
"classifications": [
{
"id": "PRODUCTION_TRANSPORT_DISTRIBUTION_GAS_HEAT",
"scheme": "TED_CE_ACTIVITY",
"description": "Production, transport and distribution of gas and heat"
}
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"identifier": {
"id": "05046791",
"scheme": "GB-COH",
"legalName": "Wales & West Utilities Limited"
},
"contactPoint": {
"name": "Nicci Birchall",
"email": "wwuprocurement@wwutilities.co.uk"
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{
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"contracts": [
{
"id": "065271-2025-WWU1440-1",
"status": "active",
"awardID": "065271-2025-WWU1440-1",
"dateSigned": "2025-10-08T00:00:00+01:00"
}
],
"initiationType": "tender"
}6 Nov 2024 · 035907-2024 · tender
{
"id": "035907-2024",
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"tender"
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"date": "2024-11-06T12:26:48Z",
"ocid": "ocds-h6vhtk-04b447",
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{
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"description": "Blending equipment\nNatural gas inlet: Pressure: 75 mbar inlet, Temp: -5 to 40 C, Max consumption: Daily - 25384.11 kWh, Max consumption: ½ Hourly - 1191.88 kWh, Mean consumption: Daily - 20175.21 kWh, Mean consumption: ½ Hourly - 435.96 kWh\nHydrogen: Max H2 production: 45scmh (4.5kgH2/hr), Pressure: 2 to 7 bar from electrolyser but will be reduced to match the NG inlet, Temp: 60C from electrolyser but short run of pipe to blending tee so -5 to 60C\nBlended outlet: Injection into existing 3\" steel pipework at 75 mbar \nThe blending unit will be required to blend up to a maximum of 20% hydrogen by volume into the customers' existing natural gas supply. The injection will take place downstream of the meter where the end use is combustion to provide heat to the customers existing process. The customer process in non-interruptible and should the blend ratio go above the maximum allowable or if there is any failure of the hydrogen supply the blending infrastructure must be able to revert to 100% natural gas in order to maintain supply to the customer. \nThe blending infrastructure will need to be able to meet the requirements set out in the below Requirements section. These requirements are taken from the recently published FUNCTIONAL SPECIFICATION FOR HYDROGEN BLENDING INFRASTRUCTURE. WWU will own and operate the hydrogen blending unit and any associated equipment which will be located at the customers site in line with Model 2 in the functional blending spec. \nFUNCTIONAL REQUIREMENTS\nHYDROGEN PRESSURE REGULATION AND METERING Hydrogen pressure regulation and control is required to ensure there is sufficient pressure at the point of injection into the customers system. Pressure regulation and control shall be to IGEM/TD/13 and or IGEM/TD/23. Hydrogen volume and energy flowrate are required and the metering system shall be appropriate for hydrogen that is compliant with Table 5 of IGEM/H/1 and Table 2 of PAS 4444. \nACCURACY The hydrogen metering system should meet the accuracy requirements of Table 2 of the Functional Blending Specification in Appendix 1. \nHYDROGEN/GCV CONTROL Hydrogen injection rate shall be controlled so as to achieve:\na minimum gross calorific value of gas at the comingled point\na hydrogen content of the blend that is no greater than a maximum of 20% by volume\na Wobbe index of the blend that is no less than the lower Wobbe limit permitted by Schedule 3 of the GSMR.GAS SAMPLING AND ANALYSIS\nHYDROGEN SUPPLY Gas sampling and analysis shall continuously or continually monitor the hydrogen supplied to the hydrogen blending unit . \nCOMINGLED POINT Gas sampling and analysis shall continuously or continually monitor the blend at the comingled point and provide confirmation that it is compliant the minimum requirements agreed with WWU. A schedule of parameters that shall be monitored is given in Table 1 of the Functional Blending Specification.\nCalorific value shall be determined using an instrument approved by Ofgem for determination of calorific values for the purposes of determining the reference point against which flow weighted average calorific value (FWACV) capping shall apply. The instrument shall comply with the requirements listed in an appropriate Letter of Approval from Ofgem.\nACCURACY The gas analysis system(s) shall meet the accuracy requirements of Table 3 of the Functional Blending Specification in Appendix 1.\nREMOTELY OPERATED VALVE A Remotely Operated Valve (ROV) shall be supplied, which shall be capable of manual remote or automatic closure in the event of variation in blend outside of the agreed conditions or inability to provide sufficient blending where this is practiced. A more detailed description of trip and reset philosophy is given in the Gas Quality and Supervisory system functional block. The means of actuation of the ROV shall be the choice of WWU.\nFWACV FUNCTIONALITY The system shall deliver the functionality required for the FWACV regime, namely requirements set out in the Gas (COTE) Regulations. Conditions currently specified include the following:\nAcquisition and storage of gross CV of the supplied hydrogen from the approved CV determination device, together with a flag indicating its quality/suitability for use. For non-continual CV determination devices, the System - CV determination device interface shall be such that only one value of each CV determination is acquired.\nAcquisition and storage of instantaneous volumetric flowrate of hydrogen at the time of acquisition of gross CV.\nInitiation of daily calibration of CV determination device.\nAutomated tests of apparatus and equipment at periods not exceeding 35 days in accordance with Regulation 6(e) of the Gas (COTE) Regulations. The facility to manually initiate tests of apparatus and equipment either by, or at the request of, the Gas Examiner. Provision of a report of results of automated or manual tests in accordance with Regulation 6(e) of the Gas (COTE) Regulations.\nCalculation of the daily average CV of the hydrogen at the end of each Gas Day in the manner specified by the Letter of Direction or by WWU depending on site specific conditions. This will require confirmation of the quality of individual records (records are Good if the CV determination device is operating within agreed limits) and averaging of only those records that are Good and for which gas is flowing past the sample point. In addition, a flag shall be stored indicating whether the resulting daily average CV is Valid (i.e., the maximum time between Good records is less than 8 hours). Gross CV values during calibration or tests of apparatus and equipment shall not be included for averaging.\nAcquisition and storage of integrated daily volume at the end of the Gas Day.\nIn addition to local storage of individual data acquired, appropriate means of secure transfer of data to WWU \nAny software and hardware solutions are acceptable provided they deliver the required FWACV functionality, but WWU will require demonstration that the required functionality has been delivered. \nGAS QUALITY AND SUPERVISORY SYSTEM The Gas Quality and Supervisory system shall monitor hydrogen and blend quality signals from the hydrogen blending unit instrumentation, the remote monitoring unit instrumentation and the delivery facility instrumentation. Monitoring shall be continuous or continual and provide confirmation that the blend at the comingled point is compliant with the requirements set out by Table 1 of the functional blending specification. \nIn the event of an excursion in any of the parameters or any other parameters agreed by risk assessment (see 6.2 in the full blending specification document) the trip system shall initiate closure of the ROV on the hydrogen feed and prevent further injection of hydrogen into the customer process. The system should revert to a pure natural gas feed to ensure that customer operations are not interrupted.\nThe limit values in the parameters of Table 1 are indicative and site-specific values shall be agreed during design approval and may be subject to review if risk assessment confirms such a requirement (see 6.2 in the full blending specification document). All alarms and trips shall therefore be configurable.\nIf closure of the ROV has been initiated because of non-compliance with the parameters in Table 1 or any other parameters agreed by risk assessment (see 6.2 in the full blending specification document ), then its subsequent opening shall be under the sole control of WWU.\nDESIGN APPROVAL ASSETS OWNED BY WWU\nDesign approval for all assets owned by WWU shall be managed in accordance with IGEM/GL/5 and T/PM/GL/5. \nTESTING ASSETS OWNED BY WWU\nPressure testing of all pressure containing components and systems shall be carried out in accordance with Management/Work Procedure PT/1 pertaining to WWU. Testing of electrical and instrument systems and equipment shall be carried out in accordance with BS 7671 and BS EN 60079-14.\nCOMMISSIONING AND INITIAL VALIDATION\nGENERAL REQUIREMENTS\nAll personnel carrying out commissioning and initial validation shall be competent and adequately trained to do so.\nA written commissioning procedure shall be agreed and shall take into account relevant Permit to Work procedures.\nInitial validation shall be carried out in order to demonstrate the accuracy of the measurement system complies with the requirements of Table 2. Suitable systems, software or procedures shall be provided or agreed to ensure that compliance can be demonstrated.\nASSETS OWNED BY WWU\nFollowing satisfactory commissioning, validation of the flow and gas quality measurement system shall be carried out in accordance with the relevant parts of T/PR/ME/2 or an alternative documented procedure if appropriate.\nOPERATION\nCONTROL AND MONITORING OF CALORIFIC VALUE\nThe requirements for control and monitoring of calorific value shall be agreed in the with WWU.\nWWU shall at appropriate intervals calculate an appropriate target CV so as to minimise the risk of FWACV capping and communicate its value to the DFO and the hydrogen blending unit.\nThe hydrogen injection flowrate shall be controlled so as to ensure that instantaneous CV at the comingled point does not fall below the prevailing target CV, subject to:\nhydrogen content of the gas at the comingled point shall not be greater than that permitted by WWU\nWobbe index of the gas at the comingled point shall not be less than that permitted by the WWU.\nCONTROL AND MONITORING OF GAS QUALITY\nGas Quality of the gas at the comingled point shall be monitored so as to ensure compliance with the requirements set out by WWU. The frequency of monitoring shall be determined though measurement risk assessment.\nThe supplier will also need to consider :\n•\tCarry out a full Hazid/Hazop for integration into the whole system.\n•\tIdentify the impact on the downstream process \n•\tAny potential storage needed to require a consistent blend\nNot required \n•\tOdorant injection",
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"title": "1NextGen Electrolysis - Blending Equipment",
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"documents": [
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"description": "WWU require a supplier to design and install a hydrogen blending unit and associated equipment to blend up to a maximum of 20% hydrogen by volume into the customers' existing natural gas supply. The injection will take place downstream of the meter where the end use is combustion to provide heat to the customers existing process. \n The customer process in non-interruptible and should the blend ratio go above the maximum allowable or if there is any failure of the hydrogen supply the blending infrastructure must be able to revert to 100% natural gas in order to maintain supply to the customer. \nThe blending infrastructure will need to be able to meet the requirements set out in the scope. These requirements are taken from the recently published FUNCTIONAL SPECIFICATION FOR HYDROGEN BLENDING INFRASTRUCTURE a copy of which can be found in Appendix 1 in the scope. WWU will own and operate the hydrogen blending unit and any associated equipment which will be located at the customers site in line with Model 2 in the functional blending spec.",
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},
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"tendererLegalForm": "In the event that Contractors form a joint venture, partnership or other form of consortia, joint and several liability of each participant will be required by the Contracting Entity."
},
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},
"identifier": {
"legalName": "Wales & West Utilities Limited"
}
}
],
"language": "en",
"description": "Applicants must respond to this notice via e-mail and must be registered on WWU's BravoSolution platform to be invited to participate in future rounds of this sourcing event by the deadline of this notice.\nIf you are not registered or are registered but have not advised us of your registration we cannot add you to the sourcing project and you cannot participate in this sourcing project.\nPlease proceed to www.sourcing4wwu.bravosolution.co.uk and click on 'Register Now'.\nIf you have previously registered on\nwww.sourcing4wwu.bravosolution.co.uk please check\nall the details are correct (do not re-register if you have done so previously).\nOnce you have registered/checked your details are correct please e-mail wwuprocurement@wwutilities.co.uk confirming your registration and expressing your interest to participate.",
"initiationType": "tender"
}