Welcome to Tamini

For over a hundred years, we have been the leading Italian company in the design and production of industrial and power electrical transformers.

Your energy, our expertise

We manufacture, refurbish and maintain transformers for industrial customers in energy-intensive industries and for key energy players worldwide.

Sales
Industrial Application
We manufacture transformers for a wide range of industrial applications, tailored to meet the diverse needs of our customers.
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Sales
Power Application
We design and produce customized transformers for electric systems, for generation from both conventional and renewable energy sources, trasmission and distribution of electrical energy.
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SERVICES
Services
We guarantee our customers high-quality technical assistance in each phase of the transformer’s life, thanks to a complete service portfolio and a team of experienced and qualified specialists.
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Unique solutions, designed for your needs
Our expertise combines the quality and reliability of Made in Italy solutions, engineered and manufactured with the most advanced technologies, to support our clients along the energy transition journey.
Unique in quality
Our transformers are the product of a unique blend: the craftsmanship of Made in Italy excellence combined with the latest cutting-edge technology.
Unique in technology
We use innovative research and development methodologies to ensure our products and services consistently meet the highest standards for our customers.
Unique in customization
We tailor each solution to the unique needs of every client, backed by over a century of industry experience.
Unique in design
Our skilled and qualified team designs exceptional products, leveraging the unparalleled global expertise we’ve gained over the years.
Transformers since 1916
Our strength lies in over a hundred years of history. Discover the milestones of more than a century of commitment to quality, craftsmanship and customer satisfaction.
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Some of our projects

Over a century of history in customer relationships: global energy leaders, technological innovators, specialized suppliers. Our strength lies in supporting clients in their business.

Discover other projects
Ansaldo Energia
Ansaldo Energia Go to the project
BKW Hydro Italia
BKW Hydro Italia Go to the project
Terna S.p.A.
Terna S.p.A. Go to the project
Acciaierie Venete
Acciaierie Venete Go to the project
Multinational steel company
Multinational steel company Go to the project
US steel company
US steel company Go to the project
Indonesian nickel company
Indonesian nickel company Go to the project

Tamini News

Our experience at KEY 2025

Our experience at KEY 2025

From the virtual world to reality: at KEY – Italian Exhibition Group our transformers have come to life, bringing innovation to the heart of the energy future.

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Open day for the schools

Open day for the schools

A special day in our Legnano plant. We hosted two classes from Isis A. Bernocchi, and together we visited the facility.

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Tamini with TES to create value

Tamini with TES to create value

Tamini’s transformers provide the energy of Terna Energy Solutions. Our experience ensures stable and efficient solutions, essential for a more sustainable energy future.

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Expansion of production capacity

Expansion of production capacity

Over the next two years, we will make significant investments to increase production capacity in Legnano and Novara plants and thus respond to the strong market demand.

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Want to become a Tamini supplier?

Contact our team to find out how.

General terms and conditions for suppliers