ESB is Ireland’s leading energy company, operating across the full spectrum of the electricity market: from generation, through transmission and distribution to supply. In addition, ESB extracts further value at certain points along this chain: supplying gas, using our networks to carry fibre for telecommunications, developing electric vehicle public charging infrastructure and an international consultancy arm which has worked in 120 countries globally.
Ireland
ESB
Deliver a net zero energy future
At ESB, we’re driven to make a difference. Delivering a brighter future; creating and connecting sustainable, reliable, affordable energy; and supporting the customers and communities we serve to achieve net zero.
the team
Marguerite Sayers
ESB Deputy Chief Executive
John McKiernan
Head of Innovation Pipeline
PITCH DECK
Check ESB’s utility overview deck and learn about ESB’s strategic challenges, focus areas and priorities
Get Out In The Wind Day 2025
At ESB we are driven to make a difference and have committed to bringing new cutting edge solutions to our customer base. Since its first edition the Free Electrons program has afforded ESB the opportunity to work with the world’s leading energy start-ups. The relationships and connections made during the program help us to innovate and collaborate in order to meet our ambitious goal of Net Zero by 2040.
Marguerite Sayers
Deputy CEO
ESB
