Wind turbines at golden hour in a vast wind farm, aerial view with dramatic warm sky and long shadows across green fields
Henel Engineers Pvt. Ltd. official logo

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.

Scroll
Engineering professional in industrial facility reviewing technical documents, bright well-lit industrial workspace

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.

Row of modern wind turbines on rolling green hills under clear blue sky, wind farm in Tamil Nadu region

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.

Get in Touch

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.