ENGINEERED FOR A BRIGHTER TOMORROW

POWERING A MORE SUSTAINABLE WORLD

Manufacturer of Oil and Dry type Transformers, Compact Substations, Medium Voltage SwitchGear Panels.

Oil-Filled Distribution Transformers
Oil-Filled Distribution Transformers
Transformer With OLTC
Transformer With OLTC
Dry-Type Transformers
Dry-Type Transformers
Compact Sub Station (CSS)
Compact Sub Station (CSS)
Compact substation
Compact substation
Low/Medium Voltage Switchgear Panels
Low/Medium Voltage Switchgear Panels
E-House Container Sub Station
E-House Container Sub Station
Oil-Filled Distribution Transformers
Oil-Filled Distribution Transformers

Sustainable Solutions

Lower-impact options for a cleaner tomorrow.

Built for Reliability

Engineered to perform in demanding environments.

Advanced Technology

Technical solutions for smarter power systems.

A Trusted Partner

Long-term value through engineering support.

START WITH YOUR REQUIREMENT

THE RIGHT SOLUTION
STARTS WITH THE RIGHT QUESTIONS.

Define the segment, capacity, voltage ratio and installation context. The guided intake is a preliminary enquiry tool for the Graycell engineering conversation.

Build Your Requirement
01
Requirement type
02
Segment
03
Capacity
04
Voltage ratio
05
Installation
06
Contact information
OUR CLIENTELE & TRUSTED CLIENTS

POWERING LEADERS IN INDUSTRY,
INFRASTRUCTURE & UTILITIES.

From state power utilities and rapid transit networks to Fortune 500 industrial conglomerates, over 80+ leading enterprises specify and trust Graycell transformer and substation engineering.

Bharat Electronics (BEL) logoBharat Electronics (BEL)
Jawaharlal Nehru Port Trust (JNPT) logoJawaharlal Nehru Port Trust (JNPT)
Nagpur Metro (Maha Metro) logoNagpur Metro (Maha Metro)
Mumbai Railway Vikas Corporation (MRVC) logoMumbai Railway Vikas Corporation (MRVC)
Western Railway logoWestern Railway
Central Railway logoCentral Railway
MEDA (Maharashtra Energy Development Agency) logoMEDA (Maharashtra Energy Development Agency)
Public Works Department (PWD) logoPublic Works Department (PWD)
Maharashtra PWD logoMaharashtra PWD
Central Public Works Department (CPWD) logoCentral Public Works Department (CPWD)
Airports Authority of India (AAI) logoAirports Authority of India (AAI)
Military Engineer Services (MES) logoMilitary Engineer Services (MES)
Ministry of Defence / DRDO logoMinistry of Defence / DRDO
CIDCO logoCIDCO
PCMC (Pimpri Chinchwad) logoPCMC (Pimpri Chinchwad)
Mahanagar Gas Ltd. (MGL) logoMahanagar Gas Ltd. (MGL)
NTPC Limited logoNTPC Limited
J. Kumar Infraprojects logoJ. Kumar Infraprojects
Harsh Constructions logoHarsh Constructions
Police Department Infrastructure logoPolice Department Infrastructure
Azadi Ka Amrit Mahotsav logoAzadi Ka Amrit Mahotsav
IUCAA Pune logoIUCAA Pune
MSEDCL (Mahavitaran) logoMSEDCL (Mahavitaran)
Torrent Power logoTorrent Power
Partner With Graycell
OUR PRODUCTS

Built for Today.
Ready for Tomorrow.

From distribution transformers to compact substations, Graycell presents a focused portfolio for power infrastructure.

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INDUSTRIES WE SERVE

Enabling a More Connected, Sustainable World

Graycell provides power distribution solutions for industries, businesses, renewable energy projects, and utility services.

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Commercial & Residential →
Infrastructure →
Utilities →
EV & Renewables →
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Data Center & IT →
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ABOUT GRAYCELL

Engineering Progress
for a Better Tomorrow

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ABOUT US

Graycell

Founded by promoters with 30+ years of experience in the power industry, Graycell manufactures high-quality distribution transformers, compact substations, and medium voltage panels. We possess unique expertise to design and manufacture any type of standard and customized compact substation solutions, fully type-tested and tailored to precise client requirements.

Graycell is an approved partner of Siemens for HT Panels and CSS, and we are associated with Lucy Electric for manufacturing various types of compact substations. We operate a state-of-the-art manufacturing setup at Khed - Shivapur, Pune, equipped with modern machinery, advanced testing systems, and strict quality control processes. With an installed capacity of over 400 CSS per annum, our skilled team of engineers and technicians ensures precision at every stage—from design and manufacturing to testing and delivery.

CORE CAPABILITIES

Strength and Advantages

At Graycell, our strength lies in engineering excellence and modern manufacturing practices.

Optimized transformer design for efficiency and performance
High quality raw materials and certified components
Fully automatic LV foil winding machines
Advanced monitoring of temperature, pressure and performance

These processes ensure consistent quality, durability and long service life.

Automatic LV Foil Winding Machine
TECHNOLOGY

Foil Winding Technology

Automated LV foil winding replaces conventional round wire with continuous metal foil strips across the coil width. This ensures uniform current distribution, superior mechanical strength against short-circuit forces, and minimizes hot spots for enhanced transformer reliability.

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Natural Ester Dielectric Fluid Transformer
TECHNOLOGY

Natural Ester Oil

A 100% biodegradable vegetable dielectric fluid derived from renewable seed oils as an eco-friendly mineral oil alternative. With a high fire point exceeding 300°C (K-Class), it eliminates fire hazard, enhances safety, and extends insulation life by absorbing moisture.

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DIRECT ENGINEERING INTAKE

Have a specification?
Configure your technical quotation.

Select an equipment category below to inspect typical parameters, or initiate a live consultation directly with Graycell application engineers.

Engineering Turnaround: Within 24 Hours
Hermetically Sealed / Free-BreathingIS 2026 / IEC 60076 verified
TYPICAL PARAMETERS & RATINGS
25 kVA – 2500 kVA · Up to 33 kV

Oil-immersed power and distribution transformers with corrugated fin tanks or detachable radiator banks.

Fast-Track WhatsApp
Graycell Engineering Directorate
Pune Manufacturing Facility & Global Sales
ENGINEERING HOTLINE - PUNEENGINEERING HOTLINE - MUMBAI
Siemens Approved Partner
MSEDCL Approved Range
CPRI / ERDA Type Tested