How NB‑IoT Is Revolutionizing Smart Water Metering and Cutting Losses
This article examines the challenges faced by water utilities such as high leakage and meter errors, explains why traditional smart meters fall short, and details how NB‑IoT‑based smart water meters provide secure, low‑power, wide‑coverage solutions that enable real‑time analytics, cost reduction, and large‑scale digital transformation.
Water utilities face high non‑revenue water due to physical leaks, meter errors and illegal use, with China's average production‑consumption gap at 20.72% in 2015.
Deep Water Group's loss rate was about 12% in 2016, still above the international benchmark of 6‑8%.
Traditional smart meters suffer from insecure data transmission, high power consumption, poor network coverage and costly large‑scale deployment.
NB‑IoT smart meters address these issues: they use authorized spectrum for reliable, secure data transfer; low‑power modules enable battery life of up to six years with twice‑daily readings; the NB‑IoT network provides wide coverage (98% in Shenzhen); and a unified IoT platform allows seamless integration of devices from different vendors.
The solution reduces meter‑reading costs, enables real‑time analytics, fault detection and leak control, and supports future big‑data applications.
Deep Water Group, together with China Telecom and Huawei, built a system architecture comprising terminal, network, cloud computing, IoT platform and application layers, leveraging cloud, big data and NB‑IoT to achieve digital water‑metering.
By 2018 the pilot in Yantian District will deploy the first NB‑IoT smart meters, with 560,000 units planned by 2020.
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