Fabrice Estezet

Fabrice Estezet

Senior Renewable Energy Consultant | TDD & Certification Expert
Independent Consultant - VentusNexus
fabrice.estezet@gmail.com +33 6 08 74 13 06 Grenoble, France

Professional Summary

Graduate engineer (Ecole Centrale Nantes, 1999) with 22+ years of experience spanning Technical Due Diligence, wind turbine certification, contract negotiation, and project engineering. Led 50+ certification and due diligence projects across offshore and onshore wind. Proven expertise in multi-GW portfolio evaluation for investment decisions, OEM contract negotiations (TSA/SMA), and international project management across EMEA. Combines deep technical knowledge of DNV/IEC standards with hands-on experience in financial model review, risk assessment, and Python/AI automation for engineering workflows. Currently operating as independent consultant through VentusNexus, contracted by Bureau Veritas Germany for offshore wind certification.

Services

Technical Due Diligence Turbine technology, BOP, suppliers assessment
Independent Design Verification Structural analysis review (STAAD, SACS, OpenSees)
Wind Turbine Certification Type and project certification (IEC 61400-22, DNV-ST-0437)
Contract Negotiation & Tender Support TSA, SMA, framework agreements, Employer Requirements
Foundation Design Support Jacket, monopile, transition piece structural design
Specification Writing Employer Requirements, technical specifications
Automated Code Checking Tools Custom Python tools for engineering verification
Technical Document Review & Auditing Design reports, calculations, manufacturing docs
Lifetime Extension Assessment Author of BV guidelines for wind turbine life extension

Key Achievements

Key Competencies

Structural Engineering

Offshore foundation design (jacket, monopile, TP) Expert 12 yrs
Structural analysis (FEA, code checking) Expert 15 yrs
Finite Element Analysis - OpenSeesPy Advanced 2 yrs
Fatigue assessment (SN curves, Palmgren-Miner) Expert 15 yrs
Code checking DNV / IEC / Eurocode Expert 19 yrs

Business & Project Management

Technical Due Diligence (offshore wind) Expert 12 yrs
Contract negotiation (TSA, SMA, frameworks) Advanced 6 yrs
Tender management & RFP analysis Advanced 12 yrs
Financial modeling review Advanced 4 yrs
Project management (wind farm construction) Advanced 10 yrs
Wind turbine technology assessment Expert 15 yrs
Lifetime extension & reliability assessment Expert 10 yrs
Reliability-centered maintenance Advanced 6 yrs
O&M and maintenance management Advanced 8 yrs

Software Development

Python backend development Advanced 5 yrs
Flask web framework Advanced 3 yrs
FastAPI & WebSocket Intermediate 1 yr
REST API design Advanced 3 yrs
SQLite / SQLAlchemy Advanced 3 yrs
Frontend development (HTML/CSS/JS) Intermediate 3 yrs
Desktop GUI (Tkinter, CustomTkinter) Intermediate 2 yrs

AI & Automation

Speech recognition (Whisper GPU) Advanced 2 yrs
Engineering document automation Advanced 3 yrs
Automated structural verification Advanced 2 yrs
PDF processing (parsing, merging, generation) Advanced 2 yrs

DevOps & Infrastructure

Docker containerization & orchestration Advanced 3 yrs
Linux system administration Advanced 10 yrs
NVIDIA GPU computing (CUDA) Intermediate 2 yrs

Audio & Signal Processing

Real-time audio processing Intermediate 1 yr
Music theory implementation Intermediate 1 yr

Professional Experience

Wind Energy Consultant 2024 - Present
VentusNexus Grenoble, France

Independent Senior Consultant in wind energy, offering technical support and project management for onshore and offshore projects. Performing due diligence, specification writing, tender support, and contract negotiations.

  • Contracted by Bureau Veritas Germany for offshore wind certification (DC-GIS, DC-AIS projects)
  • Developed custom engineering tools: Document Review Tool, STAAD Analyzer
  • AI-powered automation pipeline for document processing
Clients: Bureau Veritas Germany
Wind Energy Expert 2022 - 2024
Neoen Paris, France

Technical lead for contract negotiation and asset management, focusing on maintenance and operational efficiency.

  • Drafted Employer Requirements for wind farms
  • Developed framework agreements with OEMs
  • Contract negotiation and asset management optimization
Offshore Wind Turbine Lead Engineer & TDD Specialist 2020 - 2022
TotalEnergies Renewables La Defense, France

Conducted technical due diligence for multiple offshore wind projects covering turbine technology, BOP, and supplier assessments.

  • Evaluated multi-GW project portfolios for investment decisions
  • Established wind turbine technology roadmap
  • Led negotiations of TSA and SMA contracts
  • Backed in-house tools development (Storm)
Certification Leader for WTGs & Offshore Wind Farm Projects 2010 - 2020
Bureau Veritas La Defense, France

Led 50+ certification and due diligence projects. Project manager for certification of wind turbines, towers, blades, generators, onshore and offshore foundations and OSS.

  • 50+ certification and due diligence projects
  • East Anglia ONE Offshore Substation certification (Iberdrola)
  • Rampion OWF foundation certification (EON)
  • Saint-Nazaire OWF foundation surveillance (EDF)
  • Lead blade assessor for 12 LM Wind Power blades
  • Author of BV lifetime extension guideline
  • Former President of French IEC TC88 committee
Clients: Iberdrola, EON, EDF Renouvelables, Acciona, Siemens Energy, Vestas, Alstom, GE, LM Wind Power, Sany
Project Engineer & Site Manager 2008 - 2010
Nordex France, UK, Italy

Managed wind farm projects (25-50 MW). Coordinated Balance of Plant contractors (civil and electrical). Supervised turbine erection and commissioning.

  • Managed 25-50 MW wind farm projects
  • Balance of Plant coordination (civil + electrical)
  • Major maintenance operations (blades, transformers, drive trains)
  • Multi-country operations (France, UK, Italy)
Reliability Engineer & Maintenance Manager 2002 - 2008
Shell France

Implemented reliability-centered maintenance processes. Project manager of production unit turnarounds. Managed technical team (mechanical, instrumentation, electrical).

  • OPEX reduction of 150k EUR/year through RCM
  • Production unit turnaround management
  • Team management: 25 technicians, 4M EUR budget
  • Mechanical, instrumentation, and electrical maintenance
Cooperant du Service National en Entreprise 1999 - 2001
L'Oreal Suzhou, Jiangsu, China

Mandatory national service abroad (2-year expatriation). Participated in factory relocation project, safety improvement initiatives, and new production projects.

  • 2-year expatriation in China
  • Factory relocation project
  • Safety improvement initiatives

Selected Engineering Projects & References

East Anglia ONE Offshore Substation 2015-2016
Lead Certification Engineer for offshore substation design certification per DNV-OS-J101. Certification of jacket and electrical components.
Iberdrola @ Bureau Veritas
Rampion OWF Foundation 2016-2018
Senior Certification Engineer for OSS and monopile certification.
EON @ Bureau Veritas
Saint-Nazaire OWF Foundation 2017-2020
Foundation manufacturing surveillance. Lifetime extension assessment.
EDF Renouvelables @ Bureau Veritas
AW125/3MW Type Certification 2014
Certification Engineer for type certification of AW125/3MW Wind Turbine per IEC 61400-22.
Acciona Energia @ Bureau Veritas
Siemens Energy Generator Certification 2012-2014
Certification of WTG electrical generator.
Siemens Energy @ Bureau Veritas
Tower Certifications 2010-2020
Certification of towers for multiple OEMs.
Vestas, Alstom, Freyssinet, GE, Siemens @ Bureau Veritas
Wind Turbine Blade Certification 2018-2022
Blade Certification Lead for 12 offshore and onshore LM Wind Power rotor blades per IEC 61400-5.
LM Wind Power @ Bureau Veritas
Offshore Wind Projects - Technical Due Diligence 2020-2022
Lead Engineer for WTG technology selection. Evaluated multi-GW project portfolios. Led TSA/SMA negotiations. Established technology roadmap.
TotalEnergies Renewables
Global Wind Portfolio - Technical Advisory 2022-2024
Contract negotiation, asset management, Employer Requirements, framework agreements with OEMs.
Neoen

Software Projects Portfolio

In parallel to engineering consulting, I develop Python/AI tools for engineering workflows and personal productivity. 19 projects across 5 categories.

Offshore Wind Engineering Tools

Document Review Tool - BV Germany

Production

Flask web application for managing technical document reviews for Bureau Veritas certification projects. Extracts and processes open comments from Excel review files with advanced filtering, PDF/HTML/CSV export capabilities.

  • Automated extraction of review comments from complex Excel templates
  • Cross-revision tracking and comment status management
  • Multi-format export (PDF, HTML, CSV) with optimized formatting
  • Used for Amprion and TenneT offshore wind certification projects
Python Flask pandas openpyxl HTML/CSS
2024-2026

STAAD Analyzer

Active

Automated structural verification tool comparing STAAD.Pro output against independent OpenSeesPy calculations. Parsed 1837 beam elements, achieved 76% correlation within +/-30% tolerance.

  • Automated parsing of STAAD.Pro input and output files
  • Independent FEA verification with OpenSeesPy
  • Cross-comparison of 1837 beam utilization ratios
  • Median ratio OpenSees/STAAD: 1.067 (76% within tolerance)
Python OpenSeesPy STAAD.Pro OCR pdfplumber
2025-2026

Document Anonymizer

Production

Automated PDF anonymization tool for technical documents. Hybrid text extraction (pdfplumber + Tesseract OCR) with regex-based detection of references, names, and sensitive data.

  • Hybrid extraction: native PDF text + OCR fallback at 200dpi
  • Per-PDF logging system for traceability
  • Custom regex patterns for engineering reference numbers
  • Handles BV Germany document conventions (DC-GIS, DC-AIS patterns)
Python pdfplumber Tesseract OCR regex
2025-2026

AI & Automation Tools

AI Video Studio

Production

Complete AI studio for YouTube videos: GPU-accelerated Whisper transcription, automated vertical shorts generation, and LLM-powered summaries.

  • GPU-accelerated transcription with Whisper (NVIDIA GTX 1080)
  • Automated vertical video shorts generation from long-form content
  • Multi-stage processing: download, transcribe, summarize, extract shorts
  • Web interface for batch processing and library management
Python Whisper CUDA ffmpeg OpenAI API Flask
2025-2026

Voice Dictation System

Production

Complete voice dictation system with GPU-accelerated Whisper: GUI application, system-wide hotkey, and CLI. Real-time transcription with auto-paste functionality.

  • GPU-accelerated Whisper transcription (real-time performance)
  • Multiple interfaces: GUI, hotkey (Ctrl+Shift+D), CLI
  • Automatic clipboard paste and typing simulation
  • System-wide integration for seamless workflow
Python Whisper CUDA PyQt5 pynput
2025-2026

Agent PromptTrain

Active

Centralized management server for Claude Code agents with real-time monitoring, conversation tracking, token analytics, and branch/sub-task visualization.

  • Real-time monitoring of Claude Code agent sessions
  • Token usage analytics and cost tracking
  • Conversation branching and sub-task visualization
  • Performance metrics and debugging tools
Python Flask SQLite D3.js REST API
2025-2026

Gmail Cleaner

Production

Automated email cleaning and categorization using hybrid approach: rule-based filtering + Claude Haiku + Ollama LLM. 93% accuracy in email classification.

  • Hybrid classification: rules + Claude Haiku + Ollama fallback
  • 93% classification accuracy across multiple email types
  • Batch processing with cost optimization (minimal API calls)
  • Automated deletion, archiving, and labeling workflows
Python Gmail API Claude API Ollama SQLite
2025-2026

AI Knowledge Base

Production

Personal AI knowledge base with 460+ conversations from Claude/ChatGPT/Mistral. Full-text search, auto-tagging, and web interface for knowledge retrieval.

  • 460+ indexed AI conversations across multiple platforms
  • Full-text search with SQLite FTS5 for instant retrieval
  • Automatic tagging and topic extraction
  • Web interface for browsing and analyzing conversation history
Python SQLite FTS5 Flask NLP
2024-2026

Business & SaaS

DeepSignal

Development

Relational intelligence platform for offshore wind consultants. Micro-SaaS combining CRM, signal tracking, and AI-powered insights for business development.

  • AI-powered relationship intelligence for consultants
  • Signal tracking: LinkedIn activity, project announcements, job changes
  • Integrated training platform for junior consultants
  • Monetizable SaaS with subscription model
Next.js Supabase TypeScript PostgreSQL Stripe
2025-2026

Crypto Portfolio Tracker

Production

Multi-exchange crypto portfolio tracking with automated exit strategies and tax calculation. Real-time monitoring across Binance, Kraken, and other exchanges.

  • Multi-exchange aggregation (Binance, Kraken, etc.)
  • Automated exit strategies with price targets
  • Tax calculation for crypto-to-crypto and crypto-to-fiat
  • Real-time portfolio valuation and performance tracking
Python Flask ccxt SQLite Chart.js
2024-2026

Infrastructure & DevOps

HomeHub v2

Production

Centralized dashboard for project management, Docker orchestration, system monitoring, and local services. Single control point for entire development infrastructure.

  • Unified interface for 40+ projects and Docker containers
  • Real-time system monitoring (CPU, GPU, RAM, storage)
  • Todo list API with categories and priority management
  • Bookmark manager with auto-categorization
Python Flask Docker SQLite JavaScript
2024-2026

System Backup Manager

Production

Complete backup management system with GUI. Automated scheduling, rotation, and health monitoring for infrastructure, project data, and work files.

  • Three-tier backup strategy: System, Data, Work
  • Automated rotation with configurable retention policies
  • GUI for manual triggers and restore operations
  • Health monitoring with alerts for failed backups
Python Bash systemd rsync PyQt5
2025-2026

System Monitoring

Production

Real-time system monitoring for CPU, GPU (NVIDIA), RAM, and process tracking. WebSocket-based lightweight dashboard.

  • Real-time GPU monitoring (NVIDIA GTX 1080) via WebSocket
  • Process-level resource tracking
  • Historical data visualization with Chart.js
  • Alert system for resource thresholds
Python FastAPI WebSocket psutil nvidia-ml-py3
2024-2026

Music & Creative Tools

Music Book Generator

Production

Web application for creating structured music books from PDF sheet music. Supports multi-instrument versions (Guitar, Bass, Violin) with automatic TOC and index.

  • One workflow generates 3 instrument-specific PDF books
  • Drag-and-drop song ordering with catalog management
  • Automatic table of contents and alphabetical index
  • 10x performance optimization with widget recycling
Python Flask PyPDF2 reportlab SQLite
2025-2026

Rhythm Trainer

Production

Training application for odd time signatures (5/4, 7/4, 5/8, 7/8, 9/8) with real-time tap detection, precision analysis, and adaptive progression.

  • 43 rhythmic patterns across 5 complexity levels
  • Real-time tap detection with millisecond precision
  • Adaptive progression system with performance tracking
  • Low-latency audio with calibration system
Python CustomTkinter sounddevice NumPy SQLite
2026

Education & Credentials

Engineering Degree (M.Sc.) Ecole Centrale Nantes 1999
Former President of French IEC TC88 committee (Wind Energy standardization)
Author of Bureau Veritas Lifetime Extension Guidelines for Wind Turbines
Offshore Wind Turbine Certification Expert (IEC 61400-22, DNV-ST-0437, BSH Standards)

Standards & Regulations

DNV-ST-0126 Support structures for wind turbines 15 yrs
DNV-OS-J101 Offshore wind turbine structures 15 yrs
IEC 61400 Wind energy generation systems 19 yrs
Eurocode 3 Steel structures 19 yrs

Languages

French Native
English Fluent
German Working Proficiency

Articles & Publications

Will AI Replace Engineers?

Perspective on AI's role in engineering: assistance vs replacement. Based on real daily experience reviewing technical documentation. AI can help organize information, but engineering judgement remains human.

LinkedIn

Subsea cables: what have we done wrong?

Analysis of why subsea cables have become one of the biggest technical risks in offshore wind despite mature technology from Oil & Gas. Cable failures account for ~80% of insurance losses despite being a small fraction of CAPEX.

LinkedIn - Published