Worried about the energy crisis and the expensive bills? If you are thinking about solutions, Alessandro Ronca's advice will be useful to you. Living without bills is possible, it is necessary to study and commit to obtaining energy self-sufficiency. Alessandro Ronca, founder of PeR, a renewable energy park, tells us about his solutions: from collecting rainwater, to hot air solar collectors to heat the house, to solar panels to park in the courtyard 🌞. Table of contents 👇 00:00 Energy self-sufficiency with Alessandro Ronca 01:36 Rainwater recovery systems 04:30 Drought 05:00 How to save water at home 05:36 Hot air collector 08:17 Building a hot air collector 09:45 Photovoltaic system efficiency 11:07 Portable solar panel 12:31 Solar panels on the roof 14:25 Which batteries to use for the storage system 16:02 Stand-alone storage system 16:27 Graphene battery 17:52 Zero emission house 18:54 Greenhouse to heat the house 20:13 Thermal composting 23:46 Synergies of energy systems 24:30 The forest to cool down the house 26:10 Importance of insulation 26:25 How to be self-sufficient