Who we are

A subsidiary within ESB Group, we are the licensed operators of the electricity distribution system in the Republic of Ireland. We are responsible for building, operating, maintaining and developing the electricity network and serving all electricity customers across the country.

What we do

We are responsible for constructing all the medium and low voltage electricity network infrastructure in the country and operating and maintaining this infrastructure, owned by ESB. The electricity distribution network includes all distribution stations, overhead electricity lines, poles and underground cables.

How we are funded

ESB Networks activities are funded through ‘use of system charges’ received via Electricity Suppliers billing customers for electricity usage. These ‘use of system charges’ are controlled by the Commission for Regulation of Utilities.

Our customers

Customer service is at the heart of everything we do. We provide services to every electricity customer irrespective of their electricity supplier. Our countrywide staff of more than 3,000 people are committed to making excellence the hallmark of all aspects of our dealings with you.

177,500 km

The total length of the overhead

lines and underground cables

in the Transmission and Distribution systems

managed by ESB Networks

Transmission System

ESB Networks finances, builds and maintains the transmission system through which electricity flows from generation stations to bulk supply points near Ireland’s cities and towns. It does this under a Transmission Asset Owner licence granted by the CRU ESB Networks performs its Transmission related functions under the direction of Eirgrid.

We connected


new customers in 2019

to make a total of


customer connections to the

distribution systems

Distribution System

The distribution system transports electricity from the bulk supply points to all electricity users. We carry out all the functions under the Distribution System Operator License (DSO) (PDF 1MB) granted by the CRU These include planning, construction, maintenance, operation, metering of customer end use and provision of data to electricity supply companies.

ESB Networks DAC., Registered in Ireland - Registered No. 465172. Registered Office: Clanwilliam House, Clanwilliam Place, Dublin 2. Eircode DO2 CV61.