Manufacturing & Testing Facility
Mahati operates a state-of-the-art integrated facility with a remarkable annual production capacity of 6000 MVA. Spanning over fifteen acres (60,702 sq.m), it is built to global standards and designed for end-to-end manufacturing, remanufacturing, and high-voltage testing. It houses advanced machinery, automation-driven production lines, and a world-class testing laboratory to deliver precision-engineered power solutions and serve the needs of utilities, heavy industries, and international energy projects – thus ensuring that every product and service meets stringent quality, efficiency, and reliability benchmarks.
Yewat, Maharashtra, India
World-Class Testing Laboratory
Our in-house NABL-accredited testing facility ensures every transformer meets international performance standards.
Impulse Testing – 200 kJ, 2000 kV Impulse Generator for testing transformers up to 400 kV.
Capacitor Banks – 78 MVAR high-voltage capacitor banks for accurate performance validation.
High Voltage AC Testing – 300 kV, 300 kVA testing transformer, ensuring dielectric strength compliance.
Sweep Frequency Response Analysis (SFRA) & Tan Delta Testing – Ensuring insulation integrity and core stability.
With rigorous testing at every stage of production, Mahati ensures that its transformers meet the most demanding grid and industrial specifications worldwide.
End-to-End Manufacturing Excellence
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Key Capabilities & Infrastructure
Production Capacity: Large-scale manufacturing of EHV-class Power Transformers, Direct Arc, and Submerged Arc Furnace Transformers.
High-Voltage Production: Manufacturing transformers up to 315 MVA, 400 kV class for grid, industrial, and specialised applications.
Winding: Advanced vertical and horizontal winding machines for precision, durability, and efficiency in transformer coil production.
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Drying & Insulation Technologies
Stationary Vapour Phase Drying (VPD) System: Ensuring uniform insulation drying for enhanced operational lifespan.
Mobile Vapour Phase Drying (MVPD) Technology: India’s first on-site drying solution, minimising downtime and ensuring rapid transformer restoration.
Isostatic Hydraulic Pressing: Maintaining coil integrity and insulation uniformity across all transformer types.
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Heavy-Duty Crane & Lifting Capabilities
250T Tandem Beam EOT Crane: Precision handling of large power transformers during manufacturing and testing.
Multiple 100/20 Ton & 25/5 Ton Cranes: Enabling efficient logistics and assembly of high-voltage transformers.escription goes here
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Contracting & Execution Capabilities
Turnkey EPC Projects: End-to-end execution of substations and hydro-power projects.
Remanufacturing of Large EHV Transformers: Up to 315 MVA, 400 kV, restoring transformers to peak performance.

Powering the Future with Precision & Reliability.
Mahati’s facility is built to support the evolving energy landscape, delivering high-performance transformers and power solutions that drive grid expansion, industrial electrification, and renewable energy integration. Built for Excellence. Engineered for the World.