The upper menu contains the six main sections (News, Company, Energy, Facility, References, Overview). To access any part of the site, click on the subsections and corresponding links. The lower menu contains service utilities: "Return to Home Page", "Contacts", "Customer Service", "Site Map" and "Help". The site map is particularly useful in case of navigation difficulties. For information or other problems: webmaster@ceresa.it Plug-ins Plug-ins are small programs that enable your browser to use external applications. The plug-ins needed to visualise some of the documents present on this site (material in .pdf and videos in .mov) are supported by the main navigation programs. If you wish to download these plug-ins, look below for links: download Acrobat Reader download QuickTime