Construction of individual or multiple lots of an energy network consisting of ground-mounted photovoltaic, agri-photovoltaic, battery storage, substation, logistics coordination, and associated electrical infrastructure
LOT-0001
Ground-mounted Photovoltaic System.
Brief Description Construction of a ground-mounted photovoltaic system in east-west orientation with a planned capacity of approx. 4 to 6 MWp. Scope of Services Planning, delivery, and installation of the PV system Delivery and assembly of the PV substructure Delivery and assembly of all PV modules Complete DC-side cabling String and collector wiring Cable trenches and cable trays up to the transfer station Documentation and measurement protocols Support during the German approval procedure Scope Limit AC cables will be pulled up to the transfer station Connection works inside the station are not part of this lot Complete measurement recording up to the transfer point Technical Standards DIN VDE VDE-AR-N 4110 TAB Netze BW Medium Voltage Other relevant regulations and guidelines Proofs References of comparable ground-mounted PV projects Information on own and subcontractor services Certifications
LOT-0002
Agri-Photovoltaic System.
Brief Description Construction of an agri-PV system with vertically mounted modules and a total capacity of approx. 3 to 8 MWp. Scope of Services Planning, delivery, and installation Vertical supporting structure Delivery and assembly of all PV components DC-side cabling Cable trays and trenches up to the transfer station Documentation and measurement protocols Support during the German approval procedure Scope Limit AC cable pulling up to the transfer station No connection inside the station Complete measurement recording Technical Standards DIN VDE VDE-AR-N 4110 TAB Netze BW Medium Voltage Other relevant regulations and guidelines Proofs Reference projects agri-PV and/or ground-mounted PV Information on technical performance capability
LOT-0003
Battery Storage System (BESS).
Brief Description Construction of a battery storage system with a net capacity of approx. 25 MW. System Variants 2-hour system 4-hour system Scope of Services Planning, delivery, and installation Battery storage containers or battery cabinet systems EMS and BMS Transformers and auxiliary equipment Protection technology Fire alarm and extinguishing system Documentation Support for the approval process Special Requirements Location in water protection zone III Suitable extinguishing concept for water protection areas No water storage required No or minimized firefighting water retention Technical Standards DIN VDE VDE-AR-N 4110 TAB Netze BW Medium Voltage Other relevant regulations and guidelines Proofs References for large storage systems Information on safety and fire protection concepts Available system sizes
LOT-0004
Substation 110 kV / 20 kV.
Brief Description Planning and construction of a substation to connect the energy park. Scope of Services Planning Delivery Construction Commissioning Main Components 110 kV connection 110/20 kV transformers Protection and control technology Remote control technology Measurement and control technology Own consumption system Documentation Technical Standards DIN VDE VDE-AR-N 4120 TAB Netze BW High Voltage TAB Netze BW Medium Voltage Requirements of the responsible grid operator Other relevant regulations Proofs References substations ? 110 kV Qualification of the project team Certifications
LOT-0005
Walk-in Medium Voltage Stations.
Brief Description Delivery and installation of walk-in transformer substations for power generation plants. Expected Scope PV systems 2 to 4 walk-in stations Each approx. 5 MVA / 0.8 kV Battery storage Number in coordination with the BESS supplier Equipment Medium voltage switchgear Ring fields Measurement fields Protection and control technology Measurement and control technology Remote control technology Low voltage distributions Technical Standards DIN VDE VDE-AR-N 4110 TAB Netze BW High Voltage TAB Netze BW Medium Voltage Other relevant regulations Proofs Reference projects Production and delivery capacities
LOT-0006
Earthworks, civil engineering, and cable installation.
Brief Description Execution of all earthworks, civil engineering, and cable laying services for the energy park. Scope of Services Cable trenches for medium voltage Cable pulling works for 20 kV cables Route construction Construction of access roads Site clearance Soil preparation Foundations for: Battery storage systems Transformer substations Auxiliary facilities Support in material transport Restoration of surfaces Project Scope Approx. 3 km medium voltage route Foundations Construction site setup Access roads Other earthworks, civil, and cable works Proofs Reference projects energy infrastructure Proof of qualified construction managers Machine and personnel capacities
LOT-0007
Logistics and Disposition Coordination.
Brief Description Cross-trade coordination, control, and optimization of all material, component, and system transports for the entire energy network. Scope of Services Creation of a central logistics and disposition concept Scheduling coordination of all deliveries with involved contractors Coordination of the supply chains of all project lots Development of a just-in-time delivery concept Reduction of storage and waiting times at the construction site Coordination of heavy haul and special transports Planning and management of delivery, unloading, and storage areas Monitoring of critical delivery deadlines Interface management between the individual lots Support of construction process and scheduling Evaluation of alternative transport options including rail transport Special Requirements It must be assessed whether the railway infrastructure near the project can be used for material and component deliveries. In particular, the following are to be evaluated: Transportability of main components by freight train Economic viability compared to road transports Available transshipment possibilities Impact on construction process and project logistics Potential ecological benefits Objectives Ensuring an uninterrupted material flow Avoidance of unnecessary temporary storage Minimization of costs, risks, and waiting times Optimal supply of the construction site according to assembly progress Proofs References of comparable infrastructure, energy, or industrial projects Experience in coordinating complex supply chains Information on personnel and organizational capability