At about 9:50 am on 28 October 2026, roughly 10,000 homes were left without power in western Yokkaichi, parts of Komono and parts of Suzuka in Mie Prefecture. According to Chubu Electric Power Grid, based in Nagoya, the outage was caused by a work error...
Grid infrastructure incidents in Japan
Grid infrastructure incidents recorded in Japan, with what happened, the contributing factors and the lessons, each with its sources.
4 published entries. Newest first. Search and filter these in the register.
Every entry
Newest incident first. Search them, or narrow them by country, year or severity. Each entry is free to read, with what happened and its sources; the record behind it adds the cause where it is established, the part that failed, the downtime and the loss.
On 22 September 2026, at about 5:20 pm, a fire was reported at a substation in Nagano City, Japan. The published lead places the incident in Matsushiro-machi Saijo, but the article is behind a paywall and the sentence is cut off, so the exact site name is not...
On 28 May 2026, a fire at a substation, which JR West attributed to a fallen tree, led to a long suspension of train operations on the Hakubi Line in the Okayama area of western Japan. On 29 May, the company's Okayama branch apologised for the disruption. It...
See what failed, why, and what it cost
The record behind each entry: the manufacturer, integrator and operator, root cause, failure mode, downtime, losses and every source.
Smoke was reported at the Bicchu Hirose substation in Takahashi City at about 05:20 on 28 May 2026. A newspaper headline reported a fire at the substation. Services on the Hakubi Line were suspended for about half a day. A tree had fallen onto overhead lines...
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