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Fabien TomasFT

Fabien Tomas

Electrical and Photovoltaic Design Engineer

€320/day
6 projects
Lyon, FR
15+ years

Average response time: 24 hours

Freelancer profile translated to English.
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About Fabien

After several years spent in the field, I have been offering my technical support services to companies for electrical and photovoltaic studies since March 2023.

Focused on customer satisfaction at all times, benefit from my experience in design offices within numerous national and international groups to successfully complete your projects with responsiveness and complete autonomy.

Photovoltaic solar skills:
• Inverter sizing
• Calculation notes, Lise PV (active license)
• Electrical diagrams
• Equipment layout plans
• Wiring diagrams
• Production simulation, PVsyst
• Bill of materials preparation
• Assistance to site managers and technical proposal generation for project managers
• Installation, maintenance

Miscellaneous electricity:
• Design and updating of technical files
• Equipment specifications, component selection
• Wiring of electrical panels, various electrical installations
• Installation and maintenance of uninterruptible power supplies (UPS)

• CAD/CAM: Autocad, Caneco BT, EcoStuxure
  • French

    Native or bilingual

  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • EPC Solaire / FACE ES
    Design Engineer
    ENERGY AND UTILITIES
    January 2024 - October 2025 (1 year and 8 months)
    Carried out about thirty complete execution studies for photovoltaic projects on roofs and parking canopies, from 36kWc to 3MWc. Projects mostly in self-consumption.

    Production of technical documents:
    - Inverter sizing and configurations,
    - Electrical diagrams and schematics,
    - Calculation notes under LisePV,
    - Equipment and cable tray layout plans to main distribution boards or power distribution panels,
    - Wiring diagrams,
    - Cable logs with cable lengths,
    - Bill of materials.
    CAD/CAM Lise PV Autocad Electrical diagram
  • Divers Freelance
    Design Engineer / Design Drafter
    ENERGY AND UTILITIES
    May 2023 - Today (3 years and 1 month)
    - Verification and production of technical electrical plans for tender documents for approximately 10 photovoltaic projects.
    Carried out complete execution studies and provided technical support for the selection of control systems and material procurement: electrical panels, automatic transfer switches, cable sizing, cost optimization proposals, equipment layout, inverter sizing, etc. (YUMA Solar energy).

    - Various photovoltaic electrical studies + advice and cost optimization. (Real estate group and design offices).

    - Execution files for approximately 5 agricultural photovoltaic projects in full sale. (Sud Solar System)


    - Technical design (AC and DC calculation notes + single-line diagram) for an off-grid project:
    7MWp ground-mounted photovoltaic system,
    + 7.5MWh battery storage
    + 5 generator sets totaling 5MW for site autonomy. (TEWA Solar)

    - Technical design (AC and DC calculation notes + single-line diagram) for a mobile container solution with integrated and foldable photovoltaic system. 800Vac inverter, material selection and advice, circuit breakers and disconnectors, etc. (TEWA Solar)

    - Preparation of prior work requests for photovoltaic projects over 500kWp (HELEXIA).

    - Drawing of various high, medium, and low voltage single-line diagrams for PV+BESS (TEWA Solar) Sizing + single-line diagrams + wiring diagrams (Visotec), single-line diagram for Consuel (Solek), etc.

    - Layout of ground-mounted photovoltaic power plants and calculation of production yields with PVcase and PVsyst.

    - CAM of BESS site layout plans + VRD dry utility network plans (TEWA Solar), VRD plan for a PV project (EPC Solaire).

    - Drawing of sketches for hydrogen refueling stations and green hydrogen production plants (Inthy).

    - Drafting of technical specifications for photovoltaic lots (Yves Wozniak Architect).

    - Electrical study of a building, power balance (SAS IDE).

    Etc.
    CAD/CAM Lise PV • Autonomy PVcase pvsyst
  • Tenesol
    Design Engineer
    ENERGY AND UTILITIES
    April 2010 - December 2012 (2 years and 8 months)
    La Tour-de-Salvagny, France
    Photovoltaic company of Total and EDF
    • Inverter sizing
    • Calculation notes under Lise PV
    • Electrical diagrams
    • Equipment layout plans
    • Wiring diagrams
    • Drawing of schematics
    • Bill of materials preparation
    • Quotation preparation
    • Assistance to site managers and technical proposal generation for project managers
    • Preparation of as-built documents
    CAD/CAM Photovoltaic Electricity standards Calculation notes

Reviews

5.0

Out of 4 ratings

R

Romain

SOLEK

Reviewed on 4/9/2025

Fast, efficient, perfect
Y

Yves

Yves Wozniak Architecte

Reviewed on 8/9/2023

The mission went well, Fabien was very helpful.

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Education

  • License in Photovoltaic and Wind Energy
    Cnam Rhône-Alpres
    2008
    Licence en alternance spécialisée dans l'énergie photovoltaïque et éolienne
  • University Diploma in Technology in Electrical Engineering and Industrial Computing
    IUT Joseph Fourier 3 - L'isle d'abeau
    2002
    Génie Électrique et Informatique Industrielle

Skill set

Categories