History

TESAR, acronym for “Trasformatori Elettrici Speciali Applicazioni in Resina” (Cast Resin Special Power Transformers) - was founded in 1979 as a member of Eni Group, and was the first in Italy to start the resin casting technique for power transformers.

In 1986 the company became propriety of a private group, and the product range expanded by including instrument transformers.
In September, 2001 the new manufacturing premises in Chiaveretto, near to the main premises in Chiassa Superiore, became fully operative.

Halfway through year 2008, the enlargement works of Chiaveretto premises began, and at the same time the building of a new manufacturing unit was started in Castelnuovo, near the head offices of Chiassa Superiore, as a step further in the company’s development plan.

News

05/08/2009 - Chiaveretto Plant

The completion works of the manufacturing plant...

The completion works of the manufacturing plant in Chiaveretto are being pursued.

15/07/2009 - 10MVA

We are very proud for the supply of the first...

We are very proud for the supply of the first 5 transformers 10MVA destinated to the Emirates Arab United.