We thank Joe Grainger, from Centre for Net Zero (CNZ), for his critical logistics and project management. We thank Jack Ashworth, Greg Baxter, Tessa Hillen, and Vania Milkova, from Octopus Energy Limited (OEL) in Great Britain, and Claudia Cuñat, Anna Casas Llopart, and Iñigo Vallejo, from Octopus Energy España, S.L.U. (OEE), for their support and…