Our services

Our historical experience and ties to the Martesana area allow us to offer technologically and economically advantageous energy solutions for families and businesses in our area.


Our Numbers

Our experience and connection with the local area and with the customers who have chosen us.

400 municipalities

reached with
our services

67,000 calls

handled by customer service in 2022

5,000 customers

with bills in digital format

36 years

of activity in Martesana and
neighboring municipalities

Cogeser Blog

Stay up-to-date on all the latest news in the Energy & Utility sector.

Cogeser Point

Cogeser Points are energy counters located throughout the territory to assist the largest number of households in the Martesana


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