
Lightning Protection
& Windmill Services
ESE Lightning Arresters, Earthing, Surge Protection & Wind Turbine Maintenance
For over 25 years, Henel Engineers has delivered reliable engineering services across Tamil Nadu and South India — specialising in complete lightning protection systems and professional windmill operation & maintenance.
Two Engineering Specialisations
Henel Engineers operates two focused service divisions — each backed by deep technical expertise and long-standing field experience.

25+
Years Active
Engineering Experience Since 1999
Henel Engineers Pvt. Ltd. was incorporated on 17 August 1999 in Aralvaimozhi, Kanyakumari District, Tamil Nadu. Over more than two decades, we have built a reputation for reliable engineering services in two core sectors: lightning protection systems and wind energy.
Our location in Kanyakumari District — home to some of India's most active wind energy infrastructure — gives us direct proximity to the projects and clients we serve.
Engineering Expertise
Deep technical knowledge across lightning protection design and wind turbine systems.
Quality Products
Authorised supplier of TOPBAS lightning protection products, imported from Turkey.
Tamil Nadu Roots
Based in Kanyakumari District — the heartland of South India's wind energy sector.
Long-Term Relationships
We prioritise lasting partnerships with our industrial and commercial clients.
Windmill O&M & Engineering Services
Henel Engineers has extensive experience in windmill operation and maintenance across Tamil Nadu's wind-rich regions. Our engineers provide professional technical services to wind energy operators, ensuring reliable power generation and long asset life.
Windmill Operation & Maintenance
Scheduled and corrective maintenance services to keep wind turbines operating at peak efficiency.
Wind Turbine Technical Services
Specialist engineering support for mechanical, electrical, and structural turbine components.
Engineering Support
On-site technical assessment, fault diagnosis, and performance reporting for wind energy assets.
Power Generation Services
Monitoring and optimisation of power output for wind energy installations.
Products & Services
Henel Engineers supplies and installs lightning protection and earthing products, and provides windmill operation, maintenance, and engineering services.
Lightning Protection & Earthing Products
TOPBAS SIRIUS ESE Lightning Arrester
Non-electronic ESE air terminal with up to 107 m protection radius, imported from Turkey.
UMBRAECO ESE Lightning Arrester
Non-electronic ESE arrester, protection radius up to 51 m (Level IV), no battery required.
Surge Protection Device (SPD)
Type 1 + 2, three-phase surge protection for electrical panels and sensitive equipment.
Copper Bonded Earth Rod
Earthing electrode available in 1 m, 2 m, and 3 m lengths, 17.2 mm diameter.
GI Earth Rod
Class B GI pipe earth rod, 48 mm diameter, available in 1 m, 2 m, and 3 m lengths.
CARBOMAXX Earthing Compound
Powdered backfill compound for earthing pits, 25 kg bags, made in India.
Copper Bonded Conventional Lightning Arrester
Copper conventional arrester rated 100 kA with 5-metre protection radius.
Earth Pit Chamber Cover
Polyplastic earthing pit cover, 6-inch size, for earth pit chambers.
Windmill & Wind Energy Services
Gearbox Repair & Overhaul
Complete gearbox inspection, repair and overhaul with quick turnaround time.
Blade Patching & Repair Works
Blade patching, lightning damage repair and on-site blade restoration.
Transformer & Generator Rewinding & Bearing Replacement
Generator and transformer rewinding, plus bearing replacement without dismantling wherever possible.
Sleeve Ring Replacement
Sleeve ring replacement carried out as part of our maintenance services.
Hydraulic Unit Servicing
Hydraulic unit, pump, pitch cylinder and brake servicing to keep systems running safely.
PCB Servicing & Repair
Diagnosis and repair of printed circuit boards used in wind turbine control systems. Standby PCB will be provided to reduce windmill downtime.
Windmill Erection & Installation Works
End-to-end tower erection, nacelle, hub and component installation and commissioning.
Supply of All Types of Windmill Spare Parts
Sourcing and supply of spare parts like gearbox, generator, hydraulic and electrical systems.
Windmill Security Services
On-site security services to protect turbine sites and equipment.
Ready to Protect Your Assets?
Whether you need a complete lightning protection system or professional windmill maintenance, our team is ready to discuss your requirement.
