Wind energy plays an increasingly important role in modern power systems. It provides scalable electricity generation, contributes to energy diversification, and supports both utility-scale supply and industrial demand. Wind is no longer viewed only as a supplementary source of power, but as a mainstream component of electricity generation in many markets.
In India, wind development continues to evolve. Early deployment focused on high-wind corridors through standalone projects. More recently, wind is increasingly being planned as part of integrated energy systems, often working alongside solar and other resources to improve generation profiles, capacity utilisation, and grid alignment. This evolution places greater emphasis on design, grid integration, and long-term operational performance.
Wind energy explained: How wind energy is produced
Wind energy is generated by converting the kinetic energy of moving air into electrical power. As wind flows across land or sea, it carries energy that can be captured using wind energy windmills, more commonly referred to as wind turbines.
When wind turns the blades of a turbine, mechanical energy is created. This mechanical energy is converted into electrical energy by a generator and transmitted to the grid. This principle underpinds the operation of modern wind energy power plants.
What Is a wind farm?
A wind farm is a large-scale installation comprising multiple wind turbines located within a defined geographic area. These turbines operate collectively as a wind turbine field, generating electricity that is aggregated and supplied to the power grid.
Wind farms may also be referred to as:
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wind plants
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wind power plants
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wind power stations
Each term describes a grid-connected system designed to deliver electricity at scale rather than through individual turbines.
Core components of a wind energy plant
A wind energy plant consists of three primary components:
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Tower – Elevates the turbine to access stronger and more consistent wind speeds
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Nacelle – Houses the generator, gearbox, and control systems
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Rotor – Includes aerodynamic blades that capture wind energy
Together, these components enable stable operation across a range of wind conditions.
Working of a wind power plant: From wind to electricity
The working of wind power plant systems follows a structured engineering process:
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Energy capture
Wind flows across the blades, causing the rotor to rotate. Blade design is optimised to maximise lift and manage drag.
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Mechanical to electrical conversion
The rotating shaft transfers energy to a gearbox, increasing rotational speed from approximately 15–25 RPM to around 1,500–1,800 RPM.
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Power generation
The generator converts mechanical energy into electrical energy.
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Power evacuation
Electricity is transmitted down the tower via cables to transformers for voltage adjustment before being supplied to the grid.
This sequence describes how energy moves from wind energy windmills to grid-connected power supply.
Role of transformers in wind power plants
Transformers are critical to the operation of wind power plants:
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Power generated at approximately 690 V is stepped up to 11 kV, 33 kV, or 66 kV
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Electricity is routed to a central substation
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Voltage is further increased to 132 kV, 220 kV, or 400 kV for long-distance transmission
This staged transformation reduces losses and supports integration with national transmission networks.
Types of wind power plant technologies
Wind turbines are commonly classified by their orientation:
Horizontal-axis wind turbines (HAWT)
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Widely deployed globally
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Higher efficiency in consistent wind conditions
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Commonly used in utility-scale wind farms
Vertical-axis wind turbines (VAWT)
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Capture wind from multiple directions
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Suitable for turbulent wind environments
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Less common in large wind energy power plants
Selecting the appropriate technology depends on site-specific wind and terrain conditions.
Types of wind farms: Onshore, nearshore, and offshore
Wind farms are broadly categorised into three types:
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Onshore wind farms
Located on land in regions with strong and consistent wind resources. These are the most common wind plants due to accessibility and grid connectivity.
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Nearshore wind farms
Developed close to coastlines, allowing turbines to benefit from both terrestrial and marine wind patterns.
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Offshore wind farms
Constructed further offshore where wind speeds are typically stronger and more consistent. Offshore projects require advanced engineering and marine infrastructure but can deliver higher capacity factors.
Gentari’s exposure to offshore wind projects globally provides experiences in turbine selection, grid integration, and long-term performance considerations.
How sites are selected for wind energy power plants
Site selection for wind farms is a detailed technical process that evaluates:
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Wind speed, direction, and consistency
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Terrain and site accessibility
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Grid proximity and evacuation feasibility
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Environmental and regulatory clearances
Careful site assessment helps align expected generation with long-term operational and commercial viability.
Advantages of windmill-based power generation
Windmill-based generation offers several advantages:
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Renewable energy source
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Lower operating costs once commissioned
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Diversification of power supply
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Scalability for future expansion
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Consistent performance in suitable wind corridors
These attributes support long-term electricity planning and grid resilience.
Wind energy at Gentari
Gentari’s wind portfolio in India reflects an integrated system approach.
Project Shiva, Gentari’s first co-located hybrid project, integrates 108 MW of wind capacity across 40 turbines with 72 MW of solar, supported by more than 100 km of 33 kV transmission infrastructure. This configuration supports stable power evacuation and coordinated operation.
Project Karur, a 145 MW wind plant in Tamil Nadu, is currently under development. The project includes a 230 kV EHV transmission line to strengthen grid connectivity and operational robustness.
Alongside domestic development, Gentari’s global exposure to offshore wind informs how projects are designed, integrated, and optimised within broader energy systems.
Conclusion: Wind energy as a dependable power infrastructure
Wind energy is best understood as part of a broader power system rather than a standalone technology. When designed and operated effectively, wind farms contribute to grid diversity, capacity planning, and long-term energy supply.
As wind projects are increasingly integrated with other renewable sources, disciplined design and operational expertise become essential. Gentari approaches wind development with a focus on reliability, scalability, and system performance over the full project lifecycle.