Industrias Eléctricas Sánchez Alonso, S.L. isa company dedicated to manufacture and repair of transformers and electric motors. We are firmly established, thanks for the trust our customers have placed in us, among others, ENDESA and UNIÓN FENOSA, and have secured us in order to try to send this quality signal that distinguishes us both commercial and personally.
Due to this commitment to quality, we are certified by DNV.


We have achieved to answer effectively to the requirements of our customers who find us the best ally to develop their businesses.

During the time we need to repair your equipment, our customers have at their disposal, equipment with similar characteristics, thus they can continue their work without interrupting  daily work.

We also highlight our adaptation to the renewable energy sector, in which we offer our products and services as a key factor, in solar photovoltaic installations.

Our company has several lines of work and now, we emphasise some of our most requested services:

• Manufacture of transformers up to 1000 KVa.
• Repair of transformers up to 2000 KVa.
• Incoesa Official Service (for selling of transformers reaching 100 Mva).
• AC and DC electric motors rewind.
• Sale of alternators from 2 KVa up to 4000 KVa.
• Photovoltaic Solar Energy with all its components.
• Repair of general electrical machinery.
• Manufacturer of transformer coils.
• Autotransformers and transformers Manufacture of separators.
• Centers complete turnkey processing.
• Selling 2nd hand transformers guaranteed.