High Voltage Expert - HV Substations & HV Equipment (M/F)

Neoen is looking for a High Voltage expert to act as the company technical owner for HV substations and HV equipment used on our Solar, Wind, Storage and Datacenter power plants — from early design and permitting through procurement, construction, commissioning and operations.

Key tasks include:

• Develop and enhance the internal guidelines and technical specifications for HV substations (from 66 k

  V to 550 k

  V) and HV equipment (design, layout requirement)
• Define HV substation architecture and the redundancy level appropriate to each project: busbar configuration, N-1 criteria, transformer and protection duplication, redundancy of DC supplies, telecom and SCADA.
• Assist the Procurement teams in the following tasks :

• Write and review the technical specifications for HV power transformers and other HV equipment (Dead tank Breaker, GIS…); evaluate supplier offers and deviation lists; approve test plans; witness factory tests
• Assist in providing early-stage cost estimations
• Review, challenge and analyses of HV substation design submitted by contractor: design & cost optimizations layout and clearances, redundancy philosophy
• Review and challenge the critical list of spare parts proposed by the suppliers
• Support Design and/or Owner Engineers selection (Mastergrid, Elys, Aurecon, Aecom, GHD…) before or after contract signature

• Early-stage support to the Development Team :

• Preliminary layout of the HV substation for prospection and permitting,
• Propose early-stage design philosophy and concepts
• Review and advice on the interconnection options to connect to the Grid

• Support the Construction & Asset management teams :

• Audit substations under construction and in operation; issue prioritized findings to be shared with the construction teams
• Review commissioning and energization readiness and procedure
• Analysis of defects, failure and root-cause analysis including online monitoring tools of our HV Transformers

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