Eni Plenitude S.p.A. The Eni Plenitude app allows you to better manage your gas and electricity supplies and pay bills from your device. You can access the app with the data you already use for the Eni Plenitude Personal Area or for the Enjoy and/or EniLive services. If you don't have an account, however, register directly from the app by providing your email and your tax code. What you can do with the Eni Plenitude app: • Consult recent and past bills thanks to the Bill Archive, filtering the