Celstor GmbH | Germany | 40xxx Düsseldorf | Permanent position | Full time | Published since: 13.03.2026 on stepstone.de
Electrical Planner - Grid Connection Planning/Application (m/f/d)
Celstor GmbH is a young, dynamically growing company in the field of large-scale battery storage solutions (BESS and photovoltaics), which play a key role in the energy transition and future network stability. We think energy new – entrepreneurial, technology-driven and with a clear focus on economy and scalability. Celstor plans and builds large-scale battery storage and PV hybrid systems. We work with clear processes, high data discipline and measurable quality standards. For the network connection of our systems, we are looking for an electric planner, which creates network applications at the end-to-end and carries out technical communication with network operators. .
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Your tasks • Your profile • What we offer
Network Applications E2E: Compilation, Creation and Submission of Complete Document Packages (Forms, Studies, SLDs, Detections) until release.
Technical clarifications with network operators: Written and in appointments; Processing of queries, requests, test lists and portal entries.
Grid compliance & control: application of the relevant VDE-AR-N (in particular 4110/4120, ideally 4105/4140), protection and reactive power concepts, FRT/PQ requirements.
Detections & Schemes: Line-on diagrams, protection concept, short-circuit/load flow basics (with manufacturers/reviewers), parameter sheets, test and acceptance plans.
interface control: close coordination with engineering, EPC/Bau, manufacturers (battery/PCS/Trafo) and external reviewers; clean version and document management.
IBN preparation & support: support for SAT/IBN, measurement and detection management, handover to operation (O&M).
Standards & Templates: Maintenance of checklists, templates and Lessons Learned to shorten the time of approval.
Complete study of electrical engineering/energy technology or technician/master with relevant experience.
Multiannual practice in network connection/electroplanning for production plants (PVC/BESS/WEA) or industrial connections.
Safe in VDE-AR-N 4110/4120, basic protective technology, reactive power/voltage maintenance; routine in communication with network operators.
Advantage: Using PowerFactory/PSS®E/ETAP (reading/interpreting), CAD for Schemat (e.g. EPLAN/AutoCAD), EMS/PCS/Trafo basic understanding.
German safe for negotiation, English good; structured, secure working, precise written documentation.
Key role for fast, bankable project implementation
Clear processes, modern tools (DMS/ERP/BI), short decision paths
Attractive compensation package, further training in regulations/protection technology, development perspective
Please provide your application with a letter, resume and an indication of your salary expectations as well as the possible entry date.
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Location
 | Celstor GmbH | |
| 40212 Düsseldorf | ||
| Germany |
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