The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Clariti Systems Ltd:
The Green Energy Account app for iOS lets you view and manage your Green Energy account on the move. You can view all your usage and bills, view and add meter readings (including taking a photo reading), view your electricity usage, enter moving home details (handy if your computer is sitting in a cardboard box in the corner!), change your account details and more.Features include:View and compare your monthly usageView your billsEnter a meter reading manually or by photoEdit your account detailsEnter new house detailsReview your direct debit informationRecommend a friendManage Multiple sites