<?xml version="1.0" encoding="UTF-8" standalone="no"?><ContractNotice xmlns="urn:oasis:names:specification:ubl:schema:xsd:ContractNotice-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:efac="http://data.europa.eu/p27/eforms-ubl-extension-aggregate-components/1" xmlns:efbc="http://data.europa.eu/p27/eforms-ubl-extension-basic-components/1" xmlns:efext="http://data.europa.eu/p27/eforms-ubl-extensions/1" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><ext:UBLExtensions><ext:UBLExtension><ext:ExtensionContent><efext:EformsExtension><efac:NoticeSubType><cbc:SubTypeCode listName="notice-subtype">17</cbc:SubTypeCode></efac:NoticeSubType><efac:Organizations><efac:Organization><efac:Company><cbc:WebsiteURI>https://www.deutsche-evergabe.de</cbc:WebsiteURI><cac:PartyIdentification><cbc:ID schemeName="organization">ORG-0001</cbc:ID></cac:PartyIdentification><cac:PartyName><cbc:Name languageID="DEU">Braunschweiger Versorgungs-AG &amp; Co. 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Ministerium für Wirtschaft, Verkehr und Bauen</cbc:Name></cac:PartyName><cac:PostalAddress><cbc:StreetName languageID="DEU">Auf d. 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Digitaler Zwilling und KI zur thermo-hydraulischen Optimierung der Fernwärme in Braunschweig</cbc:Description><cbc:ProcurementTypeCode listName="contract-nature">services</cbc:ProcurementTypeCode><cbc:Note languageID="DEU">Vorab bitte um Zeichnung der Vertrauensvereinbarung und Zusendung des unterschriebenen Exemplars an daniela.reichenbach@bs-energy.de
Im Anschluss erhalten Sie eine gezeichnete Version retour und die Ausschreibung im Gesamtvertragswerk.</cbc:Note><cac:RequestedTenderTotal><cbc:EstimatedOverallContractAmount currencyID="EUR">600000</cbc:EstimatedOverallContractAmount></cac:RequestedTenderTotal><cac:MainCommodityClassification><cbc:ItemClassificationCode listName="cpv">72212100</cbc:ItemClassificationCode></cac:MainCommodityClassification><cac:AdditionalCommodityClassification><cbc:ItemClassificationCode listName="cpv">09323000</cbc:ItemClassificationCode></cac:AdditionalCommodityClassification><cac:RealizedLocation><cac:Address><cbc:CountrySubentityCode listName="nuts">DE911</cbc:CountrySubentityCode><cac:Country><cbc:IdentificationCode listName="country">DEU</cbc:IdentificationCode></cac:Country></cac:Address></cac:RealizedLocation></cac:ProcurementProject><cac:ProcurementProjectLot><cbc:ID schemeName="Lot">LOT-0001</cbc:ID><cac:TenderingTerms><ext:UBLExtensions><ext:UBLExtension><ext:ExtensionContent><efext:EformsExtension><efac:SelectionCriteria><cbc:TendererRequirementTypeCode listName="selection-criterion">slc-abil-ref-services</cbc:TendererRequirementTypeCode><cbc:Description languageID="DEU">Referenz einer ähnlichen Dienstleistung</cbc:Description></efac:SelectionCriteria><efac:StrategicProcurement><efbc:ApplicableLegalBasis listName="cvd-scope">false</efbc:ApplicableLegalBasis></efac:StrategicProcurement></efext:EformsExtension></ext:ExtensionContent></ext:UBLExtension></ext:UBLExtensions><cbc:VariantConstraintCode listName="permission">allowed</cbc:VariantConstraintCode><cbc:FundingProgramCode listName="eu-funded">no-eu-funds</cbc:FundingProgramCode><cbc:RequiredCurriculaCode listName="requirement-stage">not-requ</cbc:RequiredCurriculaCode><cbc:RecurringProcurementIndicator>false</cbc:RecurringProcurementIndicator><cbc:MultipleTendersCode listName="permission">allowed</cbc:MultipleTendersCode><cac:RequiredFinancialGuarantee><cbc:GuaranteeTypeCode listName="tender-guarantee-required">true</cbc:GuaranteeTypeCode><cbc:Description languageID="DEU">Globalbürgschaft in Höhe von 5% der Auftragssumme</cbc:Description></cac:RequiredFinancialGuarantee><cac:CallForTendersDocumentReference><ext:UBLExtensions><ext:UBLExtension><ext:ExtensionContent><efext:EformsExtension><efac:OfficialLanguages><cac:Language><cbc:ID>DEU</cbc:ID></cac:Language></efac:OfficialLanguages></efext:EformsExtension></ext:ExtensionContent></ext:UBLExtension></ext:UBLExtensions><cbc:ID>17fae248-eeae-418f-a6b3-e92b4994ccc6</cbc:ID><cbc:DocumentType>non-restricted-document</cbc:DocumentType><cac:Attachment><cac:ExternalReference><cbc:URI>http://www.deutsche-evergabe.de/dashboards/dashboard_off/17fae248-eeae-418f-a6b3-e92b4994ccc6</cbc:URI></cac:ExternalReference></cac:Attachment></cac:CallForTendersDocumentReference><cac:PaymentTerms><cbc:Note languageID="DEU">zu finden in unseren AGB</cbc:Note></cac:PaymentTerms><cac:TendererQualificationRequest><cbc:CompanyLegalFormCode listName="required">true</cbc:CompanyLegalFormCode><cbc:CompanyLegalForm languageID="DEU">keine bestimmte</cbc:CompanyLegalForm></cac:TendererQualificationRequest><cac:TendererQualificationRequest><cac:SpecificTendererRequirement><cbc:TendererRequirementTypeCode listName="missing-info-submission">late-some</cbc:TendererRequirementTypeCode><cbc:Description languageID="DEU">Bitte beachten: Um einen eventuellen Ausschluss des Angebotes zu vermeiden, legen Sie bitte die geforderten Nachweise und Erklärungen dem Angebot unbedingt vollständig bei.</cbc:Description></cac:SpecificTendererRequirement></cac:TendererQualificationRequest><cac:TendererQualificationRequest><cac:SpecificTendererRequirement><cbc:TendererRequirementTypeCode listName="selection-criteria-source">epo-notice</cbc:TendererRequirementTypeCode></cac:SpecificTendererRequirement></cac:TendererQualificationRequest><cac:ContractExecutionRequirement><cbc:ExecutionRequirementCode listName="conditions">performance</cbc:ExecutionRequirementCode><cbc:Description languageID="DEU">Bedingungen für die Ausführung des Auftrags und ggfs. 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(2) Verstöße gegen Vergabevorschriften, die aufgrund der Bekanntmachung erkennbar sind, sind nach § 160 Abs. 3 Nr. 2 GWB spätestens bis zum Ablauf der in der Bekanntmachung benannten Frist zur Abgabe der Bewerbung oder der Angebote gegenüber dem Auftraggeber zu rügen.
(3) Verstöße gegen Vergabevorschriften, die erst in den Vergabeunterlagen erkennbar sind, sind nach § 160 Abs. 3 Nr. 3 GWB spätestens bis zum Ablauf der Frist zur Bewerbungs- oder Angebotsabgabe gegenüber dem Auftraggeber zu rügen.
(4) Ein Vergabenachprüfungsantrag ist nach § 160 Abs. 3 Nr. 4 GWB innerhalb von 15 Kalendertagen nach der Mitteilung des Auftraggebers, einer Rüge nicht abhelfen zu wollen, bei der Vergabekammer einzureichen.</cbc:Description></cac:PresentationPeriod><cac:AppealReceiverParty><cac:PartyIdentification><cbc:ID schemeName="organization">ORG-0002</cbc:ID></cac:PartyIdentification></cac:AppealReceiverParty></cac:AppealTerms><cac:Language><cbc:ID>DEU</cbc:ID></cac:Language><cac:PostAwardProcess><cbc:ElectronicOrderUsageIndicator>true</cbc:ElectronicOrderUsageIndicator><cbc:ElectronicPaymentUsageIndicator>true</cbc:ElectronicPaymentUsageIndicator></cac:PostAwardProcess></cac:TenderingTerms><cac:TenderingProcess><cbc:SubmissionMethodCode listName="esubmission">required</cbc:SubmissionMethodCode><cbc:GovernmentAgreementConstraintIndicator>false</cbc:GovernmentAgreementConstraintIndicator><cac:TenderSubmissionDeadlinePeriod><cbc:EndDate>2025-08-21+02:00</cbc:EndDate><cbc:EndTime>13:00:00+02:00</cbc:EndTime></cac:TenderSubmissionDeadlinePeriod><cac:OpenTenderEvent><cbc:OccurrenceDate>2025-08-21+02:00</cbc:OccurrenceDate><cbc:OccurrenceTime>13:00:00+02:00</cbc:OccurrenceTime></cac:OpenTenderEvent><cac:AuctionTerms><cbc:AuctionConstraintIndicator>false</cbc:AuctionConstraintIndicator></cac:AuctionTerms><cac:FrameworkAgreement><cbc:MaximumOperatorQuantity>1</cbc:MaximumOperatorQuantity></cac:FrameworkAgreement><cac:ContractingSystem><cbc:ContractingSystemTypeCode listName="framework-agreement">fa-mix</cbc:ContractingSystemTypeCode></cac:ContractingSystem><cac:ContractingSystem><cbc:ContractingSystemTypeCode listName="dps-usage">none</cbc:ContractingSystemTypeCode></cac:ContractingSystem></cac:TenderingProcess><cac:ProcurementProject><cbc:ID>0001</cbc:ID><cbc:Name languageID="DEU">Projekt ToWn</cbc:Name><cbc:Description languageID="DEU">Die Braunschweiger Versorgungs-AG &amp; Co. KG (nachfolgend BS|ENERGY) ist ein gemischtwirtschaftliches Unternehmen. Die Stadt Braunschweig hält 25,1% der Geschäftsanteile, Veolia Deutschland hält 50,1% und die Thüga AG 24,8%.

Als lokal verankertes Unternehmen in der Stadt Braunschweig hat die BS|ENERGY einen jährlichen Absatz von circa 800 GWh/a Fernwärme, wobei Potenzialstudien eine mögliche Steigerung auf bis zu 900 bis 1.000 GWh/a bis 2045 aufzeigen. Das Fernwärmenetz existiert seit 1924 und wurde seitdem sukzessive erweitert und verdichtet. Im Zuge der Umstellung auf erneuerbare Energien im Rahmen der Transformation der Fernwärme ist mit einer zunehmenden Dezentralisierung zu rechnen, die die hydraulische Komplexität des Netzes erhöht.

Das Fernwärmenetz der BS|ENERGY mit einer Netzlänge von circa 290 km (Trasse), wird derzeit mit einer Vorlauftemperatur von bis zu 130°C im Hochlastfall betrieben und weist Verteilverluste von rund 13% auf. Zusätzlich existiert in einigen Netzbereichen bereits heute sehr hohe hydraulische Auslastung, die eine weitere Expansion ohne geeignete Maßnahmen zur Kapazitätsoptimierung erschwert.

Zur Bewältigung dieser Herausforderungen soll im Rahmen des Projektes ToWn ein digitaler Zwilling in Kombination mit KI als zentrales Optimierungsinstrument für den Netzbetrieb der Fernwärme implementiert werden. Ziel ist es hierbei, durch eine datengestützte Optimierungen von Netztemperaturen und Volumenströmen, dem Betriebspersonal Vorschläge zur optimierten Fahrweise des Fernwärmenetzes zu jeder Zeit zu unterbreiten. Ziel ist es, die Verteilverluste im Netz zu verringern und die hydraulische Auslastung zu reduzieren. Ein Jahr nach Inbetriebnahme wird eine Senkung der Netzverluste um mindestens einen Prozentpunkt angestrebt. Darüber hinaus soll die Software eine schichtübergreifend einheitliche Betriebsführung ermöglichen.</cbc:Description><cbc:ProcurementTypeCode listName="contract-nature">services</cbc:ProcurementTypeCode><cbc:SMESuitableIndicator>false</cbc:SMESuitableIndicator><cac:ProcurementAdditionalType><cbc:ProcurementTypeCode listName="strategic-procurement">none</cbc:ProcurementTypeCode></cac:ProcurementAdditionalType><cac:MainCommodityClassification><cbc:ItemClassificationCode listName="cpv">72212100</cbc:ItemClassificationCode></cac:MainCommodityClassification><cac:RealizedLocation><cac:Address><cbc:CountrySubentityCode listName="nuts">DE911</cbc:CountrySubentityCode><cac:Country><cbc:IdentificationCode listName="country">DEU</cbc:IdentificationCode></cac:Country></cac:Address></cac:RealizedLocation><cac:PlannedPeriod><cbc:StartDate>2026-01-01+01:00</cbc:StartDate><cbc:EndDate>2026-12-31+01:00</cbc:EndDate></cac:PlannedPeriod><cac:ContractExtension><cbc:MaximumNumberNumeric>3</cbc:MaximumNumberNumeric><cac:Renewal><cac:Period><cbc:Description languageID="DEU">Maximale Verlängerung um je 1 Jahr bis maximal zum 31.12.2029.</cbc:Description></cac:Period></cac:Renewal></cac:ContractExtension></cac:ProcurementProject></cac:ProcurementProjectLot></ContractNotice>