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.

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

  • 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.

  • 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.

  • 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

  • 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.