Tarapur Transformers incorporated as Tarapur Transformers Private Limited and a Certificate of Incorporation on May 9, 1988 issued by the Registrar of Companies (ROC), Maharashtra, Mumbai. The company is converted into a public limited company, subsequently the company's name was changed to Tarapur Transformers Limited vide special resolution passed by members of the company in their extra ordinary general meeting (EGM) held on March 10, 2007 and a fresh certificate to this effect was obtained from the ROC, Maharashtra, Mumbai on March 27, 2007.

The company initially was promoted by Praful M Dharia, Rajesh Kumar Shah and Praful M Shah. In year 2006-2007 Bilpower and its promoters have acquired the entire voting rights in the company followed by change in control and thus Bilpower became the promoter of the company.

The company is one of the key players in Indian markets manufacturing and repairing of power and distribution transformers, focusing on quality, timely delivery and customization based on its engineering capabilities without any third-party collaboration or technical assistance.

The company manufactures transformers up to 220 KV class, having an installed capacity of manufacturing of 1839.40 MVA and repairing of 1800 MVA per annum.

The company currently operates through three manufacturing units located at MIDC, Boisar, Tarapur Industrial Area village Pali, At & PO - Posheri Taluka - Wada and L/25/5, GIDC Industrial Estate, Por- Ramnagamdi, Vadodara. Its Boisar unit mostly undertakes the repairing and refurbishment, rehabilitation and upgradation of transformers with the installed capacity of 600 MVA for manufacturing and 1200 MVA for repairing of transformers per annum.

The company’s Pali unit is equipped with modern state-of-art infrastructure facilities and technology, which can undertake the manufacturing of 1200 MVA for manufacturing and 600 MVA for repairing of transformers per annum. The Vadodara unit is engaged in manufacturing of current transformers potential transformer normally called as CTPT and distribution transformers ranging from 10 KV/11KV to 100KV/11KV with installed capacity of 39.40 MVA per annum.

The registered office of the company is situated at J-20, MIDC, Tarapur Industrial Area, Boisar, 401506, Dist. - Thane

Business area of the company

The company is currently engaged in the areas of manufacturing, rehabilitation, up-gradation, and refurbishment of transformers ranging from power and distribution transformer, rectifier transformer, furnace duty transformer, electric locomotive transformer, electric traction substation transformer, dry type transformer, potential transformer, special purpose transformers.

Group companies

• Nik-San Engineering Company
• Eletrofer Steel (India)
• Choudhary Global

Milestones

• 1988: Incorporated as Tarapur Transformers Private Limited
• 1990: Commencement of commercial production at the company’s Boisar Unit
• 1994: Acquisition of freehold land at Pali
• 2006: Change in control and Bilpower became the promoter of the company
• 2007: Conversion to public limited company
• 2007: Acquisition of Varsha Engineers (proprietorship concern) at Vadodara
• 2007: ISO 9001:2000 Certificate awarded for Boisar Unit.
• 2008: Commencement of commercial production at our Pali Unit