Ilavarasan ARUNACHALAM
Construction Manager
Coimbatore,Tamilnadu
Summary
Experienced Construction and Operations Manager with 19 years in the wind industry, specialising in optimising operations for wind and solar power plants using SAP. Delivers troubleshooting, safety training, and performance analytics to enhance turbine functionality and site safety. Manages project cost control to minimise expenditures while upholding HSE standards.
Overview
4
4
Languages
1
1
Certification
18
18
years of professional experience
Work History
Contruction Manager
Envision Wind Power Services Pvt. Ltd.
07.2025 - Current
- Leading end-to-end project site management overseeing wind turbine installation and commissioning across multiple customer platforms including APRAAVA Energy, AYANA Renewable Power, AMPINE Energy, Copenhagen Infrastructure Partners (CIP), HERO FUTURE, UPC Renewables (UPC), and CLEANMAX.
- Handling complete installation of 5MW and 3.3MW wind turbines — covering foundation readiness, tower erection, nacelle and rotor assembly, blade installation, and electrical interconnection.
- Coordinated crane operators, logistics teams, OEM representatives, and civil contractors to ensure safe and timely turbine erection according to installation procedures.
- Managing multi-disciplinary site teams and subcontractors, ensuring quality compliance at every stage of the installation process.
- Enforcing strict HSE standards during all lifting, erection, and commissioning activities, conducting toolbox talks, pre-lift checks, and safety audits.
- Achieved zero accidents and lost work days, ensuring a safe work environment throughout project execution.
- Conducted on-site inspections to uphold high standards of quality and safety compliance across all project phases.
- Resolved issues during construction and commissioning phases to maintain tight schedules and budget levels.
- Responsible for resource planning, material management, progress tracking, and reporting to senior management and customers.
- Maintained daily communication with vendors to drive forward progress of project.
- Organised and participated in monthly on-site meetings with clientele and subcontractors.
- Received Certificate of Appreciation from Project Head for continual improvement and excellent performance in Project 5MW Execution.
- Communicated with clients and customers to proactively deliver relevant information.
- Reported on progress, problems and information requirements.
- Conducted routine quality audits, verifying progression against specifications and initiating corrective actions to remedy concerns.
Manager
First Energy India Private Limited
11.2024 - 06.2025
- Overseeing the operation and maintenance of a solar power plant, ensuring optimal performance and efficiency.
- Renewal of CEIG: With a strong relationship with TANGEDCO office, Successfully completed the 12MW/16MWp CEIG renewal in Feb 2025.
- Technical Resolution: With a good relationship with the TANGEDCO office, the failure of transformer 10MVA was resolved with its replacement at the Idiyanmelur Substation, thereby avoiding any curtailment.
- Managed material planning for Preventive Maintenance (PM), Breakdown Maintenance (BM), and major activities.
- Reporting various management reports to Management on daily, weekly and Monthly without time delay.
Deputy Manager
Apraava Renewables India Private Limited
02.2022 - 03.2024
- Managed comprehensive operations of CLP Windfarms in Theni, Tamil Nadu — part of CLP Wind Farm India Pvt Ltd with over 1GW of renewable assets across India.
- Oversaw operation and maintenance of a 198 MW wind power plant, ensuring optimal performance and efficiency.
- Developed and implemented site operation plans for preventive, breakdown, and major maintenance, achieving 100% protocol adherence and minimising downtime.
- Led site HSE initiatives, including SHE walks, audits, inspections, toolbox talks, and mock drills, fostering a culture of safety and compliance.
- Conducted IQMS, GIA, Peer Review, SHE, Material Resource, and other internal audits.
- Analysed wind turbine performance monthly to detect operational deviations against power curves.
- Negotiated with landowners to resolve 33kV line disruptions at Coco Farm, restoring full operational capacity and maintaining positive relationships without legal disputes.
Assistant Manager
Vestas Wind Technology India Pvt Ltd
06.2019 - 01.2022
- Implemented strategies to increase machine availability and revenue by optimizing wind turbine operations.
- Oversaw operations of wind power plants with capacities of 198 MW, 114 MW, 85.8 MW, and 41.25 MW, ensuring optimal performance and safety compliance.
- Conducted training and motivational sessions on safety, quality, technical changes, and troubleshooting practices, enhancing team knowledge and safety awareness.
- Coordinated material planning for PM, BM, and major activities while updating SAP transactions for notifications, orders, and materials to streamline operations.
Senior Engineer
Vestas Wind Technology India Pvt Ltd
07.2012 - 05.2019
- Supervised O&M activities for turbines, ensuring operational stability and compliance.
- Conducted monthly reports on generation, breakdowns, RAG calculation, safety, SHE inspections, and performance.
- Coordinated alarm VTM planning and implemented lean practices to enhance service order closure timelines.
- Planned jobs and allocated manpower to optimise resource utilisation.
Engineer
Vestas Wind Technology India Pvt Ltd
04.2008 - 06.2012
- Advanced through engineering roles, acquiring hands-on expertise in wind turbine operations and maintenance.
- Supported task execution with assigned manpower, prioritising operational efficiency and effective material management.
- Engaged in safety and technical training sessions to strengthen skills and knowledge base.
Education
B.Tech - Electrical Engineering
Imperial Institute of Management Science & Reserach
Delhi06-2023
QMS Lead Auditor Certified -
04-2025
SAP Certified - S4/HANA Sourcing & Procurement in Material Management
Thrianz Tech Solutions
Coimbatore03-2024
Solar Power Plant Operation Certified - Renewable
ww.udemy.com
online02-2025
Diploma - Electrical & Electronics Engineering
Govt. Polytechnic
Coimbatore01-2007
Skills
- Construction planning
- Site management
- Operations and Maintenance
- Project Management
- Resource Optimization
- Subcontractor Management
- Quality Management
- Cost Control
- Inventory Management
- HSE management
- Lean Management Programs
- QMS Lead Auditor
- SAP S/4/HANA
- Problem resolution
- Stakeholder Engagement
- People Management
- Team development
Accomplishments
- Received Envision Energy India Pvt. Ltd. Certificate of Appreciation for continual improvement and excellent performance in Project Execution., 2025-12-11
- Awarded the prestigious Achievers Award as part of the BESS Breakthrough Team for 5MW execution excellence and Chennai plant commissioning.
- Played a defining role in Battery Energy Storage System (BESS) breakthrough and commissioning of Chennai plant, recognized at the highest organizational level.
Languages
English
Tamil
Hindi
Kannada
Custom
- Project Management
- Resource Optimization
- SAP S4/HANA
- HSE Management Systems
- Sub-contractor Management
- Quality Management
- Inventory Management
- Lean Management Programs
- QMS Lead Auditor
- Cost Control
- People Management
- Customer Relationship Management
- Operations & Maintenance
Certification
- SAP S4 HANA -Thrianz Tech Solutions certified
- IQMS Internal Auditor certified by Apraava Energy
Timeline
Contruction Manager
Envision Wind Power Services Pvt. Ltd.
07.2025 - Current
Manager
First Energy India Private Limited
11.2024 - 06.2025
Deputy Manager
Apraava Renewables India Private Limited
02.2022 - 03.2024
Assistant Manager
Vestas Wind Technology India Pvt Ltd
06.2019 - 01.2022
Senior Engineer
Vestas Wind Technology India Pvt Ltd
07.2012 - 05.2019
Engineer
Vestas Wind Technology India Pvt Ltd
04.2008 - 06.2012
B.Tech - Electrical Engineering
Imperial Institute of Management Science & Reserach
QMS Lead Auditor Certified -
SAP Certified - S4/HANA Sourcing & Procurement in Material Management
Thrianz Tech Solutions
Solar Power Plant Operation Certified - Renewable
ww.udemy.com
Diploma - Electrical & Electronics Engineering
Govt. Polytechnic