This website contains general information about day-ahead auction and intraday markets in the Single Electricity Market (SEM) as operated by SEMOpx. The materials and information contained on and in this website are provided for general information purposes only and are subject to change from time to time without notice. You should not act or refrain from acting on the basis of any material contained on or in this website without seeking appropriate professional advice. All materials and information are provided "AS IS" and without warranties express, implied or otherwise howsoever arising. EirGrid plc and SONI Limited shall not be liable for inaccuracies, errors, omissions or misleading information contained in this website.