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    Tender for heat pump to Sønderborg Varme A/S

    Sønderborg Varme A/S

    Tender for heat pump to Sønderborg Varme A/S

    1. Competition notice published

      Sep 5, 2025 4:49 AMSeptember 5, 2025 4:49 AM
    2. Supplier selection

      May 21, 12:00 AMMay 21, 2026 12:00 AM
    3. Contract signed

      Jul 3, 12:00 AMJuly 3, 2026 12:00 AM
    4. Result notice published

      Jul 6, 11:41 AMJuly 6, 2026 11:41 AM

    Brief

    Denmark: Tenders/Sønderborg Varme A/S/Tender for heat pump to Sønderborg Varme A/S

    Awarded

    The competition has ended and a winner has been selected.

    Award
    Evaluated price 30% and 2 more
    Procedure
    With negotiationTwo stages
    Agreement
    Construction work

    Brief

    Sønderborg Varme A/S has entered into an agreement with Krebs A/S for the delivery of a heat pump, heat pump building, heat collector, and all tie-in related work in Gråsten, Denmark. This project is part of a larger restructuring of Sønderborg Varme's district heating system. The contract has a total value of 92,661,000 DKK and includes options for service and maintenance for the first 5 years of operation, with an additional option for another 5 years. The selection was based on evaluated price (30%), technical solution (40%), project solution including process and time schedule, organization, culture, and competences (25%), and contractual terms (5%). Two bids were received for this contract.

    Elektrisitet og energiforvaltning

    Result

    TED
    • Krebs A/S
      Winner
    • Number of bids
      2
    • Contract value
      DKK 92,661,000

    Custom Assessment Criteria

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    Qualification requirements

    • Description

      The Applicant must have a revenue of at least 25,000,000 DKK.

      Documentation Requirement

      The Applicant is encouraged to provide the following figures based on the latest two signed and approved annual reports: Turnover (revenue).

      Source

      No source found in the documents. Check the requirement against the tender documents.

    • Description

      The Applicant should provide figures for current assets, total assets (sum of all assets), total shareholder’s equity (equity including minority shares), and current liabilities.

      Documentation Requirement

      The Applicant is encouraged to provide the following figures based on the latest two signed and approved annual reports: Current assets, Total assets (sum of all assets), Total shareholder’s equity (equity including minority shares), Current liabilities.

      Source

      No source found in the documents. Check the requirement against the tender documents.

    Award Criteria

    • Description

      The evaluation will be based upon the Tenderer’s technical project proposal and supporting documentation. The Tenderer is encouraged to; Provide a comprehensive description of the conceptual and process considerations underlying the requested functionalities, the robustness of the works, and the specified operational modes. In particular addressing: o The works’ process robustness in all aspects. o The works’ ability to operate in intermittent electricity markets without accelerating component wear. o The works’ capacity and efficiency throughout the specified operational range. Describe the layout with focus on safety compliance, service and maintenance etc., including how large components are handled during maintenance and replacement. Provide a quality and inspection plan for the Project. In the assessment of the sub-criterion, the Contracting Entity will regard the following as positive; a) That provided information demonstrate the heat pump’s conceptual design is sound and robust for low winter ambient air temperature and/or high DH return temperature operation; it has short startup/shutdown time, cold plug flow through battery limit A is avoided, that system availability and component redundancy are properly considered, and it delivers high load-following capability including compressor start/stop without compromising long-term component reliability (i.e., low failure risk and minimal maintenance); the overall process-system architecture remains simple, facilitating easy access, easy maintenance and flexible component placement. The more detailed information provided, the better. b) That explanations are provided to the heat collector conceptual design and its interface with the heat pump(s), including the rationale for choosing refrigerant or brine in the collector circuit; thorough descriptions of how the circulation circuit is designed to avoid unintended flow regimes, such as slug flow, that could violate piping safety etc. as well as proper dynamic performance, circulation rates for refrigerant-based systems, piping diagrams. The more detailed, the better. c) That it, based on analyses and thorough explanations, is demonstrated that the energy collector system is robust to complex and varying in-/outflow of air, air short-circuiting, icing of surroundings is reduced, etc. d) That the Tenderer provides a thorough management strategy to condensate, frost-prevention and de-icing, with appropriate icing/de-icing duration curves, with details to robustness of FCUs to icing and vibration. The more detailed informaton, the better. e) That safety and environmental compliance measures are explained, including preliminary strategies to refrigerant leakage and detection, safety classification (such as e.g., ATEX) of the Contracting Entity’s site, emergency-venting provisions, and noise issues including from safety valves. The more detailed, the better. f) That the Tenderer’s quality and inspection plan demonstrates a thorough understanding of the Contract’s quality and inspection requirements and is designed to ensure the facility immediately meets the agreed specifications and is fully functional upon delivery and commissioning. It will be evaluated positive, if the plan include provisions for Factory Acceptance Testing (FAT), and the more detailed and comprehensive FAT procedures will be evaluated positively. The more detailed, the better. The Contracting Entity will make an overall evaluation under this sub-criterion

      Evaluation Method

      In the assessment of the sub-criterion, the Contracting Entity will regard the following as positive:

      • That provided information demonstrate the heat pump’s conceptual design is sound and robust for low winter ambient air temperature and/or high DH return temperature operation; it has short startup/shutdown time, cold plug flow through battery limit A is avoided, that system availability and component redundancy are properly considered, and it delivers high load-following capability including compressor start/stop without compromising long-term component reliability (i.e., low failure risk and minimal maintenance); the overall process-system architecture remains simple, facilitating easy access, easy maintenance and flexible component placement. The more detailed information provided, the better.
      • That explanations are provided to the heat collector conceptual design and its interface with the heat pump(s), including the rationale for choosing refrigerant or brine in the collector circuit; thorough descriptions of how the circulation circuit is designed to avoid unintended flow regimes, such as slug flow, that could violate piping safety etc. as well as proper dynamic performance, circulation rates for refrigerant-based systems, piping diagrams. The more detailed, the better.
      • That it, based on analyses and thorough explanations, is demonstrated that the energy collector system is robust to complex and varying in-/outflow of air, air short-circuiting, icing of surroundings is reduced, etc.
      • That the Tenderer provides a thorough management strategy to condensate, frost-prevention and de-icing, with appropriate icing/de-icing duration curves, with details to robustness of FCUs to icing and vibration. The more detailed informaton, the better.
      • That safety and environmental compliance measures are explained, including preliminary strategies to refrigerant leakage and detection, safety classification (such as e.g., ATEX) of the Contracting Entity’s site, emergency-venting provisions, and noise issues including from safety valves. The more detailed, the better.
      • That the Tenderer’s quality and inspection plan demonstrates a thorough understanding of the Contract’s quality and inspection requirements and is designed to ensure the facility immediately meets the agreed specifications and is fully functional upon delivery and commissioning. It will be evaluated positive, if the plan include provisions for Factory Acceptance Testing (FAT), and the more detailed and comprehensive FAT procedures will be evaluated positively. The more detailed, the better.
        The Contracting Entity will make an overall evaluation under this sub-criterion.

      Source

      No source found in the documents. Check the weight against the tender documents.

    • Description

      The Contracting Entity will apply an evaluation model where the Evaluated Price is converted into points which are multiplied with the percentage related to award criteria 'Evaluated Price’ and added to the weighted points obtained on all other criteria. In this section 5.3, the Contracting Entity will apply the following numbers and definitions: Interval: 40 % Expansion Percentage Points: 5 % Number of Expansions:Two (2) times Maximum Interval: 50 % Upon receiving the Tenderers’ BAFOs, the lowest Evaluated Price (hereinafter the “Lowest Evaluated Price”) will be given maximum score (10 points). Where the Evaluated Price is between (i) Lowest Evaluated Price, and (ii) Lowest Evaluated Price plus the Interval, the Tenderer will obtain points based on a linear interpolation between the Lowest Evaluated Price and the Lowest Evaluated Price plus the Interval. If one or more of the Evaluated Prices in the Tenders exceeds the Lowest Evaluated Price plus the Interval, the Contracting Entity will expand the Interval with the Expansion Percentage. The Contracting Entity will do so until all the Evaluated Prices are within the Interval plus the Expansion Percentage, however, a maximum of the Number of Expansions as set out above, which will give the Maximum Interval. Any Evaluated Prices that exceed or are equal to the Lowest Evaluated Price plus the Interval, the Lowest Evaluated Price plus the Interval and the Expansion Percentage Points, or the Lowest Evaluated Price plus the Maximum Interval (as applicable), will receive a score of 0 points in the evaluations. 'The Evaluated Price consists of the following amounts: (a) the Total Contract Price which includes the following; a. Price of the works, b. Price of the listed options, c. Price of evaluated guaranteed performance/consumption parameters, d. Schedule of rates & materials, e. all taxes required to be paid by the Tenderer, and (b) the converted monetary value of reservations to the Schedule of Payment and payments terms. Note: When calculating the total evaluation price, the price of the works is corrected with additions or deductions for the performance of the solution in question. This means that the total evaluation price is only used for the evaluation and is therefore not an expression of the actual contract sum.

      Evaluation Method

      Upon receiving the Tenderers’ BAFOs, the lowest Evaluated Price (hereinafter the “Lowest Evaluated Price”) will be given maximum score (10 points). Where the Evaluated Price is between (i) Lowest Evaluated Price, and (ii) Lowest Evaluated Price plus the Interval, the Tenderer will obtain points based on a linear interpolation between the Lowest Evaluated Price and the Lowest Evaluated Price plus the Interval. If one or more of the Evaluated Prices in the Tenders exceeds the Lowest Evaluated Price plus the Interval, the Contracting Entity will expand the Interval with the Expansion Percentage. The Contracting Entity will do so until all the Evaluated Prices are within the Interval plus the Expansion Percentage, however, a maximum of the Number of Expansions as set out above, which will give the Maximum Interval. Any Evaluated Prices that exceed or are equal to the Lowest Evaluated Price plus the Interval, the Lowest Evaluated Price plus the Interval and the Expansion Percentage Points, or the Lowest Evaluated Price plus the Maximum Interval (as applicable), will receive a score of 0 points in the evaluations.

      Source

      No source found in the documents. Check the weight against the tender documents.

    • Description

      The Tenderer is encouraged to; ▪Demonstrate a realistic process- and time schedule that reflects the works and the options. ▪ demonstrate competencies (matrix) for the organization including Subcontractors and management. a) Organizational plan for the design phase and the execution phase, describing the organization and the key persons who will carry out the task. The organizational plan must show the division of roles in the different phases. The organizational plan should also show to what extent the offered key people are allocated to the Project in the different phases. The allocation should be shown based on a regular full-time position (37 hours per week). b) CV’s of the key people who will perform the roles in the organizational matrix, indicating the key people relevant education, qualifications and experience. In the assessment of the sub-criterion, the Contracting Entity will regard the following as positive; a. A process- and time schedule showing a detailed program and test, which appears responsible and well described. Furthermore, a plan that supports the fastest possible delivery and supports a high degree of quality management during the delivery and test phases, b. The more detailed, project specific (and relevant), coherent, and designed for continuous implementation the management and lessons learned procedures are, the better. It is also considered positive if the proposal includes examples from previous projects and how this is applied to this project, and c. If each CV has a competent profile with experience, qualifications, training and competences in relation to the project and in relation to the assigned role in the team, and. The Contracting Entity will pay particular attention to the key persons performing the following roles and tasks: i. The Tenderer's project managers (primary contact persons for the Contracting Entity). ii. Overall responsibility for process design carried out by the Tenderer or its subcontractors/suppliers. iii. Overall responsibility for civil works carried out by the Tenderer or its subcontractors/suppliers. iv. The Tenderer's construction management. The Contracting Entity will make an overall evaluation under this sub-criterion.

      Evaluation Method

      In the assessment of the sub-criterion, the Contracting Entity will regard the following as positive:

      • A process- and time schedule showing a detailed program and test, which appears responsible and well described. Furthermore, a plan that supports the fastest possible delivery and supports a high degree of quality management during the delivery and test phases.
      • The more detailed, project specific (and relevant), coherent, and designed for continuous implementation the management and lessons learned procedures are, the better. It is also considered positive if the proposal includes examples from previous projects and how this is applied to this project.
      • If each CV has a competent profile with experience, qualifications, training and competences in relation to the project and in relation to the assigned role in the team.
        The Contracting Entity will pay particular attention to the key persons performing the following roles and tasks:
      • The Tenderer's project managers (primary contact persons for the Contracting Entity).
      • Overall responsibility for process design carried out by the Tenderer or its subcontractors/suppliers.
      • Overall responsibility for civil works carried out by the Tenderer or its subcontractors/suppliers.
      • The Tenderer's construction management.
        The Contracting Entity will make an overall evaluation under this sub-criterion.

      Source

      No source found in the documents. Check the weight against the tender documents.

    • Description

      Only the draft contract documents listed below (the “Draft Contract Documents”) will be included in the evaluation of “Contractual Terms”: 1.0 Design and build contract 1.1 Appendix 1: ABT 18 with the Client’s special conditions 1.3 Appendix 3: Performance bond 1.4 Appendix 4: Advance payment bond 1.5 Appendix 5: Parent company guarantee 1.9 Appendix 9: Code of Conduct The provisions within any of the Draft Contract Documents listed as requirements or minimum requirements under Section 7.4.4 are not included in the evaluation of Contractual Terms. If the BAFO includes proposed changes: (a) to any other contract documents than listed above as a Draft Contract Document; (b) to the payment term under Clause 10 in the Design and build contract; or (c) to any clauses listed in section 7.4.4 (Requirements) such proposed changes will not be subject to evaluation under Contractual Terms but will be considered as a reservation and will be handled as set out under Section 8.9 (Reservations). Contractual requirements The following provisions shall be considered as minimum requirements (MR) for the BAFO and will not be included in the evaluation of Contractual Terms: Governing Law: Clause 3 of Appendix 1 (ABT 18 with the Client special Conditions), MR Arbitration: Clause 67 of Appendix 1 (ABT 18 with the Client special Conditions), MR Code of Conduct: Appendix 9 (Code of Conduct), MR The Contracting Entity reserves the right to introduce further requirements or minimum requirements to the Draft Contract Documents. If the BAFO contains any proposed changes to minimum requirements, the Contracting Entity is entitled and obliged to reject the BAFO. The Contracting Entity will evaluate any deviation to the Draft Contract Documents qualitatively focusing on substance. When evaluating a deviation to the Draft Contract Documents, the Contracting Entity will assess the overall risk exposure to the Contracting Entity. The Draft Contract Documents are the Contracting Entity's preferred split of risk and acceptance of the Draft Contract Documents will receive maximum score for Contractual Terms on the scale set out in Section 3.2. The more risk the deviations to the Draft Contract Documents will expose the Contracting Entity to, the fewer points will be awarded. When assessing the risks, the Contracting Entity will consider the size of the potential impact/consequences should the risk materialize and the likelihood of the risk materializing. Risks are deviations to the Draft Contract Documents that change the balance between the Contracting Entity and the Tenderer in favour of the Tenderer. If the deviations put more risk on the Contracting Entity, it will negatively affect the evaluation leading to the Tenderer being awarded fewer points. In general, the Contracting Entity considers the following (not exhaustive) list of deviations to constitute significant deviations to the draft Contract Documents that (depending on the exact deviation suggested) might entail significant risks: - Clause 9 of Appendix 1 (ABT 18 with the Client’s special conditions): Limiting the Contractor’s obligation to deliver securities - Clause 7 of Appendix 1 (ABT 18 with the Client’s special conditions): Extending the Contractors’ right to transfer rights and obligations - Clause 37 of Appendix 1 (ABT 18 with the Client’s special conditions): Extending the Contractor’s right to extension of time - Clause 7 of the design and build contract and clause 38 of Appendix 1 (ABT 18 with the Client’s special conditions): Limitation to the Contracting Entity’s right to liquidated damages - Section G. Defects of Appendix 1 (ABT 18 with the Client’s special conditions): Limitation in the Contracting Entity’s right to claims defects and the Contractor’s obligation to remedy such defects - Clause 11, subclause 3 of Appendix 1 (ABT 18 with the Client’s special conditions): Limiting the Contractor’s obligation to take out and maintain insurances - Section J. Disputes of Appendix 1 (ABT 18 with the Client’s special conditions) Side-tracking or removing the current dispute resolution procedures from the process of handling disputes. Deviations to the provisions set out in Section 7.4.1 do not have a higher weight than other significant deviations since the Contracting Entity focuses on actual changes to the Contracting Entity’s risk exposure and not specific provisions. Focusing on specific provisions could lead to circumvention either if the Tenderer submits significant deviations to other provisions than those listed in Section 7.4.1 or submits deviations with the same effect as mentioned in Section 7.4.1but do so by submitting deviations to another provision/new provision.

      Evaluation Method

      The Contracting Entity will evaluate any deviation to the Draft Contract Documents qualitatively focusing on substance. When evaluating a deviation to the Draft Contract Documents, the Contracting Entity will assess the overall risk exposure to the Contracting Entity. The Draft Contract Documents are the Contracting Entity's preferred split of risk and acceptance of the Draft Contract Documents will receive maximum score for Contractual Terms on the scale set out in Section 3.2. The more risk the deviations to the Draft Contract Documents will expose the Contracting Entity to, the fewer points will be awarded. When assessing the risks, the Contracting Entity will consider the size of the potential impact/consequences should the risk materialize and the likelihood of the risk materializing. Risks are deviations to the Draft Contract Documents that change the balance between the Contracting Entity and the Tenderer in favour of the Tenderer. If the deviations put more risk on the Contracting Entity, it will negatively affect the evaluation leading to the Tenderer being awarded fewer points. In general, the Contracting Entity considers the following (not exhaustive) list of deviations to constitute significant deviations to the draft Contract Documents that (depending on the exact deviation suggested) might entail significant risks:

      • Clause 9 of Appendix 1 (ABT 18 with the Client’s special conditions): Limiting the Contractor’s obligation to deliver securities
      • Clause 7 of Appendix 1 (ABT 18 with the Client’s special conditions): Extending the Contractors’ right to transfer rights and obligations
      • Clause 37 of Appendix 1 (ABT 18 with the Client’s special conditions): Extending the Contractor’s right to extension of time
      • Clause 7 of the design and build contract and clause 38 of Appendix 1 (ABT 18 with the Client’s special conditions): Limitation to the Contracting Entity’s right to liquidated damages
      • Section G. Defects of Appendix 1 (ABT 18 with the Client’s special conditions): Limitation in the Contracting Entity’s right to claims defects and the Contractor’s obligation to remedy such defects
      • Clause 11, subclause 3 of Appendix 1 (ABT 18 with the Client’s special conditions): Limiting the Contractor’s obligation to take out and maintain insurances
      • Section J. Disputes of Appendix 1 (ABT 18 with the Client’s special conditions) Side-tracking or removing the current dispute resolution procedures from the process of handling disputes.
        Deviations to the provisions set out in Section 7.4.1 do not have a higher weight than other significant deviations since the Contracting Entity focuses on actual changes to the Contracting Entity’s risk exposure and not specific provisions. Focusing on specific provisions could lead to circumvention either if the Tenderer submits significant deviations to other provisions than those listed in Section 7.4.1 or submits deviations with the same effect as mentioned in Section 7.4.1but do so by submitting deviations to another provision/new provision.

      Source

      No source found in the documents. Check the weight against the tender documents.

    Previous winners

    • Who are you up against?

      The suppliers who have won similar contracts at Sønderborg Varme A/S

    From the notice

    • Sønderborg Varme operates in Sønderborg and surrounding towns such as Gråsten, located to the west of Sønderborg. During the coming years, Sønderborg Varme’s entire district heating system is under reconstruction, partly due to the connection of new customers and partly due to new roles for the existing district heating capacities, where also decommissioning of existing technologies may become relevant. In the ongoing restructuring of the district heating network, heat pumps will play a vital role. The first heat pump shall be installed in Gråsten. The Contract is for the delivery of a heat pump, heat pump building, the heat collector, and all tie-in related work up to the battery limits of the work to the Contracting Entity for the Project. The expected start date for construction is 23.03.2026 and with a completions date of 22.11.2027. Please note that the anticipated and overall time schedule indicated above is dependent on obtaining different permits related to the project. The Contract is based on ABT 18 Design and build contract designed by the Contractor with supporting special conditions by the Contracting Entity. The Contract includes the following options which may be called upon by the Contracting Entity in accordance with the terms of the Contract.Option 1: Service and maintenance during the first five (5) years of operation The Contracting Entity requests an option for a service and maintenance during contract for 5 years of operation. The requirements for Option 1: Service and maintenance during the first five years of operation are described in more detail in the Contract document ‘Technical Requirements’ section 6.5. Option 2: Additional 5 years’ service and maintenance (i.e. a total of 10 years after handover) The Contracting Entity requests an option for an additional 5 years’ service and maintenance contract. The requirements for Option 2: Additional 5 years’ service and maintenance are described in more detail in the Contract document ‘Technical Requirements’ section 6.6.Main features of the procedureThe invitation to tender is implemented as a negotiated procedure in accordance with the procedure laid down in Art. 47 in The Utilities Directive, Directive 2014/25/EU of 26. February 2014. With reference to the Danish Procurement Act, article 49(2), the Contract is not divided into subcontractors as the Contracting Entity has assessed that the scope of the Contract is performed most appropriately by a single contractor.

    • Contact

      Line Sørensenls@energylegalpartners.dk
    • Type
      Result · Prequalification
    • Location
      Sydjylland
    • Main code
      Heating plant construction work
      45251200
    • 39715210Central-heating equipment42511110Heat pumps42533000Parts of heat pumps45213000Construction work for commercial buildings, warehouses and industrial buildings, buildings relating to transport45213250Construction work for industrial buildings45223000Structures construction work45232142Heat-transfer station construction work45251000Construction works for power plants and heating plants45251250District-heating plant construction work45300000Building installation work45450000Other building completion work

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      Arkitekttjenester

      Stadtwerke Essen AG: EU-weites Vergabeverfahren "Planung der Energiezentrale" (Los 3)

      Die Stadtwerke Essen AG benötigt über 2 Jahre Planungsleistungen für eine Energiezentrale im Rahmen eines neuen Niedertemperatur-Wärmenetzes in Essen-Überruhr/Burgaltendorf. Das Vorhaben soll die Wärmeversorgung dekarbonisieren und Grubenwasser aus der Zeche Heinrich als Wärmequelle nutzen; das Netz soll im Endausbau rund 4.137 Gebäude versorgen. Der Auftrag betrifft die Planung der Energiezentrale, während die Errichtung des Wärmenetzes über ein separates Förderprogramm vorgesehen ist; der Vertrag steht unter dem Vorbehalt der Fördermittelbewilligung und der erforderlichen Mittelfreigabe. Im vorgeschalteten Teilnahmewettbewerb werden mindestens drei und höchstens fünf Bewerber zur Angebotsabgabe ausgewählt. Erforderlich ist mindestens eine abgeschlossene Referenz aus den letzten 7 Jahren für Generalplanungsleistungen einer Energiezentrale, einschließlich Objektplanung Gebäude und Innenräume, Tragwerksplanung sowie technischer Ausrüstung in den Anlagengruppen 1, 2, 3, 4, 5, 7 und 8; die geforderten Leistungsphasen umfassen 2–8 für Objektplanung und technische Ausrüstung sowie 2–6 für Tragwerksplanung. Außerdem sind eine Berufshaftpflichtversicherung mit mindestens 5 Millionen Euro Deckung jeweils für Sach- und Personenschäden sowie Vermögensschäden und ein durchschnittlicher Gesamtjahresumsatz von mindestens 5 Millionen Euro netto in den letzten drei Geschäftsjahren nachzuweisen. Die Angebote werden nach Honorar (50 %), Umsetzungskonzept (30 %) sowie Qualifikation und Erfahrung des Projektteams (20 %) bewertet.

      Competition with qualification
      Nov 27, 2026(29 days)