TEPCO Smart Meter Rollout
This overview was generated with AI from the public sources listed below and checked against them before publication. It has not had a complete human fact-check — treat it as a starting point and follow the sources.
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Tokyo Electric Power Company (TEPCO) replaced analogue meters across its Kanto-region service area with smart meters for roughly 28.4 million households and businesses, passing 20 million installs by March 2019 en route to completing the rollout by fiscal 2020. Units report usage every 30 minutes over a mesh and cellular network, cutting manual readings and speeding outage detection.
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The strongest source is the operator's or the city's own reporting — an official report, dataset or press release. It grades who did the looking — not how well the project went. All four grades →Sources
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1001 Smart Cities (2026). “TEPCO Smart Meter Rollout” — Tokyo, Japan. The Smart City Atlas. https://1001smartcities.org/projects/tokyo-smart-meter/ (last verified 2026-07-25). Data: CC BY 4.0.
The underlying data is free to reuse with attribution — see the open data page.