Pooja Group of Industries — Est. 2001

Powering Industries
Across the Globe

Premium oil-filled transformers engineered for seamless, reliable power distribution worldwide.

ISO 9001:2015 Certified Manufacturer

Advanced Technology.
Unmatched Quality.

Cutting-edge transformer solutions designed for superior efficiency and long-term reliability.

BIS Approved — IS 1180: Part 1: 2014

Quality You Can
Trust & Rely On

BIS-certified transformers built for long-lasting performance across demanding industrial environments.

15+ Years of Experience
500+ Satisfied Clients
ISO 9001:2015 Certified
25MVA 66 KV Class Production
Volta Transformers manufacturing facility in Vadodara, Gujarat
15+
Years
Experience

About Volta Transformers

A Trusted Name in Global Transformer Manufacturing

Volta Transformers is a brand owned by Volta Green Energy Pvt. Ltd., part of the renowned Pooja Group of Industries. Established in 2001 and headquartered in Vadodara, Gujarat, we are among India's most trusted transformer manufacturers — delivering precision-engineered power solutions to clients across domestic and international markets.

Our state-of-the-art manufacturing facility produces Oil-Filled Power & Distribution Transformers, Dry-Type Transformers, Solar & Wind Inverter Duty Transformers, Furnace Transformers, and Compact Substations, all meeting IS, IEC, and ISO 9001:2015 standards.

ISO 9001:2015 Certified

International quality management

BIS Approved — IS 1180

Bureau of Indian Standards certified

500+ Satisfied Clients

Domestic and international markets

25 MVA / 66 KV Capacity

High-capacity production range

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Efficient & Reliable Transformer Solutions

We design, manufacture, and deliver high-quality transformers with precision, innovation, and full after-sales support.

01
Design and Manufacturing icon
Design & Manufacturing

Modern technology and ISO 9001:2015 certified systems to create high-performance, durable transformers.

02
Quality Control and Testing icon
Quality Control & Testing

Rigorous in-house testing against IS/IEC standards ensures every unit delivers consistent, reliable performance.

03
Installation and Support icon
Installation & Support

Expert commissioning guidance and dedicated on-site/off-site maintenance support for seamless operation.

04
Customer Centric Approach icon
Customer-Centric Approach

Personalized solutions, transparent processes, and committed technical assistance for complete client satisfaction.

Volta Transformers manufacturing floor
Why Choose Us

Why Choose Volta Transformers?

01
Proven Expertise icon
Proven Expertise

15+ years of specialized experience delivering transformer solutions across diverse industrial sectors.

02
Uncompromising Quality icon
Uncompromising Quality

BIS approved IS 1180: Part 1: 2014 certification — every transformer meets the highest quality benchmarks.

03
Advanced Infrastructure icon
Advanced Infrastructure

State-of-the-art manufacturing and testing infrastructure ensuring precision at every production stage.

04
Customer Centric Solutions icon
Customer-Centric Solutions

Fully customizable transformers with end-to-end technical support tailored to your specific requirements.

Reliable & High-Quality Transformer Products

Our transformers are engineered for superior efficiency, safety, and durability across industrial and commercial power applications.

Distribution Transformers

High-efficiency oil-filled distribution transformers compliant with IS 1180 standards for reliable power delivery.

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Power Transformers

High-capacity power transformers for stepping up or down voltage in transmission networks up to 25 MVA / 66 KV.

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Solar / Wind Inverter Duty Transformers

Purpose-built for renewable energy plants, handling harmonic-rich inverter outputs with exceptional efficiency.

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Furnace Transformers

Engineered for steel manufacturing, aluminum smelting, and foundries — withstanding high currents and fluctuating loads.

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Dry Type Transformers

Fire-resistant, eco-friendly dry-type transformers for commercial buildings, hospitals, and data centers.

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Compact Substation

Factory-assembled units integrating MV switchgear, transformer, and LV distribution panel in a compact enclosure.

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Who We Are

Powering Innovation with Excellence

We are a trusted transformer manufacturer and supplier in India, delivering high-quality, reliable, and sustainable solutions backed by IS/IEC certification and over 15 years of proven industry expertise.
With 15+ years of experience and a highly skilled engineering workforce, we deliver innovative and efficient transformer products from our modern Vadodara facility, ensuring complete customer satisfaction on every project.
Volta Transformers supplies to international markets with transformers meeting global standards including IEC 60076, ensuring overseas buyers receive products compliant with their local grid requirements.
Volta Transformers production and quality team

Frequently Asked Questions

Expert answers to the most common questions from global buyers and procurement engineers.

We follow strict quality assurance processes including design reviews, raw material inspections, and rigorous in-process and final testing aligned with IS/IEC standards under our ISO 9001:2015 certified quality management system.
Transformer oil is tested for purity and insulation properties using advanced techniques including dielectric strength testing, moisture content analysis, and dissolved gas analysis (DGA) to ensure long-term reliability.
Yes. Our transformers are specifically engineered to manage harmonics and non-linear loads effectively, ensuring stable performance in VFD-driven, UPS, and renewable energy applications.
Standard temperature rise limits are 65°C for oil and 100°C for windings, strictly adhering to IS/IEC industry norms to protect insulation and ensure long operational life.
ONAN (Oil Natural Air Natural) relies on natural oil and air convection for cooling, while ONAF (Oil Natural Air Forced) employs forced-air fans to significantly improve cooling efficiency, enabling higher load capacity within the same physical footprint.

Power Up with Volta Transformers

Get reliable, certified transformer solutions tailored to your industrial requirements.

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