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Fabien TomasFT

Fabien Tomas

Electrical and Photovoltaic Design Engineer

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

Average response time: A few days

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 large national and international groups to successfully carry out your projects with responsiveness and full autonomy.

Solar Photovoltaic Skills:
• Inverter sizing
• Calculation notes, PV Lise (active license)
• Electrical diagrams
• Equipment layout plans
• Wiring diagrams
• Production simulation, PVsyst
• Bill of materials development
• Support for site managers and technical proposals for project managers
• Installation, maintenance

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

• CAD/CAM: Autocad, Caneco BT, PV Lise, 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, projects from 36kWp to 3MWp. The vast majority of projects are for self-consumption.

    Production of technical documents:
    - Inverter sizing and configurations,
    - Electrical diagrams and schematics,
    - Calculation notes using PV Lise,
    - Equipment layout plans and cable trays up to the main electrical panels or distribution panels,
    - Wiring diagrams,
    - Cable manifests with cable lengths,
    - Bills of materials.
    CAD/CAM PV Lise Autocad Electrical diagram
  • Divers Freelance
    Design Engineer / Design Drafter
    ENERGY AND UTILITIES
    May 2023 - Today (3 years and 3 months)
    - Review 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 section 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 for total 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 generators 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 switching devices, etc. (TEWA Solar)

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

    - Drawing of various HTB / HTA / BT 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 production yield calculations with PVcase and PVsyst.

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

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

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

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

    Etc.
    CAD/CAM PV Lise • 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 PV Lise
    • Electrical diagrams
    • Equipment layout plans
    • Wiring diagrams
    • Drawing of schematics
    • Bill of materials development
    • Quotation preparation
    • Support for site managers and technical proposals for project managers
    • Preparation of as-built files
    CAD/CAM Photovoltaic Electricity standards Calculation notes

Reviews

5.0

Out of 5 ratings

T

Tom

Dessinateur Projeteur Électricité Photovoltaïque - LGI

Reviewed on 7/15/2026

Great communication and technical output with Fabien. His experience and expertise in the design and technical drawing of photovoltaic power plants are a real asset for your company. I recommend him
R

Romain

SOLEK

Reviewed on 4/9/2025

Fast, efficient, perfect

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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
  • DUT GEII (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