To celebrate the 90th anniversary of the establishment of ESB’s Public Relations Department, we have launched previously unseen film footage commissioned by ESB from the 1920s to the 1980s.

Photographs of new public street lighting in Dublin city centre from 80 years ago.

Our interactive map chronicles how ESB connected Ireland to the national grid

View all 12 months of ESB's 1962 Housewives' Calendar, featuring recipes by chef Maura Laverty, and beautiful painted artworks by B Lynes.

View our gallery of rare photos from the days of Rural Electrification.