The November/December issue of Hydro magazine is online. The special coverage “Automation and AI in sanitation”, on page 12, shows that digitalization in sanitation companies can bring greater efficiency and savings, but the journey towards Industry 4.0 and AI – Artificial Intelligence must be accompanied by a good automation master plan and care in implementation. Read on page 28 the article “Restricted reuse of treated sewage in irrigation”, a study that presents a Cesan project aimed at the use of treated sewage in irrigation, in restricted areas, in order to reduce the use of drinking water for activities that do not require this condition. Furthermore, on page 34, the article “Benefits of migrating to the electricity-free market contracting environment”, showing that after many studies, in February of this year Samae in Jaraguá do Sul, SC, migrated to the energy-free market contracting environment (ACL). The initial forecast was a cost reduction of around 20% compared to the traditional environment starting in 2025, but the information indicates double that. This issue also brings the update “Hydraulic products and equipment distributors” directory, and “Water and wastewater treatment plants” buyers’ guide.