William Howard D. delos Reyes
whddelosreyes@gmail.com
Registered Electrical Engineer · SO2 PetroGreen Energy Corporation

Electrical engineer working across renewable energy, asset management, data analytics and embedded systems.
Professional experience
Process Engineer for Technical Operations & Business Development
2025 – presentPetroGreen Energy Corporation
- Oversee operation and maintenance across 11 power plants spanning solar, wind, geothermal and BESS; develop SOPs and maintenance programs.
- Develop machine-learning energy forecasts and lead a Central Monitoring System integrating operational data from 10 power plants.
- Evaluate emerging technologies with providers and contractors, and prepare executive-level technical analyses and performance reports.
Operation & Maintenance Engineer
2023 – 2024PetroSolar Corporation
- Analyzed performance and resolved electrical faults at a 70 MW solar plant; coordinated preventive and corrective maintenance.
- Supervised 30 utility personnel and coordinated contractors for maintenance and site works.
Integration Analyst
September – November 2022Eclaro
- Configured and validated test and production data files for healthcare insurance plans.
- Used JIRA, Salesforce and Confluence to track issues, manage workflows and coordinate project activities.
Engineering Tutor & Embedded Systems Mentor
2018 – present- Provide international tutoring in circuit analysis, Arduino programming, engineering mathematics and control systems.
- Mentor ESP32, sensor, microcontroller, control-system, PCB design and 3D-printing projects.
Technical & Professional Speaker
2024 – present- Delivered technical lectures for IIEE Kuwait, IIEE South Luzon and academic institutions on embedded systems, power plant O&M and computer science in power systems.
- Commencement speaker for the 2026 Mapúa Malayan Colleges Laguna Senior High School graduation at PICC.
Open to collaborations in reliability engineering, energy systems, industrial digitalization and embedded systems.
Selected work
- assembl-EE ↗
- Interactive 3D electrical engineering models and simulations.
- MAYI Travel App
- Lead developer of a paid application that reached #1 in the Philippines travel category.
- Central Monitoring System
- Lead development of a monitoring and asset-management platform integrating operational data from 10 power plants.
Education MSc Electrical Engineering, Power Systems — Mapúa University, in progress. BSc Electrical Engineering — Mapúa Malayan Colleges Laguna.