There are two events happening soon that you might be interested in attending, the Energy Show at the RDS in Dublin which is organised by the SEAI Sustainable Energy Association of Ireland, is taking place from 30th the 31st March.
Having attended this show in the past I can recommend a visit to anyone interested in the use and conservation of energy. Deatils about this event can be found at this link http://www.seai.ie/News_Events/Energy_Show/
Further afield the Ecobuild exhibition is taking place at ExCel in London from 1st to 3rd March. This show is highlighting the latest developments and new product launches for improving energy efficiency in buildings. Tickest are free when you pre-register, the link to their site is http://www.ecobuild.co.uk/