Namibia's capital has run prepaid water metering longer than most of the world has had smart meters at all — just not through radio waves. It's a 20-digit code, typed by hand, standing in for a bill.

All 1 project in Windhoek

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Compare with other cities

• 🇨🇴 Medellín: Prepaid Smart Water Metering (Agua Prepago) Windhoek's meters are offline, code-in-a-box; Medellin's card-read meters cut supply automatically once the prepaid balance runs out.
• 🇮🇶 Baghdad: WASH Smart City Initiative — Al Mansour water-meter pilot Both went non-networked: Windhoek's tokens still work as an access tool; Baghdad's un-networked pilot cut neither consumption nor losses.
• 🇿🇲 Lusaka: ZESCO Smart Grid Pilot in Roma Township Windhoek's prepaid water tokens need no telemetry at all; Lusaka's ZESCO pilot wires meters for monitoring and tamper detection.
• 🇨🇲 Yaoundé: Camwater Smart/Prepaid Water Metering Program Two African prepaid-water plans: Windhoek's offline tokens have run since 2021; Yaounde is only now tendering a connected version.