It could be debated, but according to Jenkins stats, Jenkins users are not interested by TEPCO electric power usage.
Archived versions of this plugin remain available for download.

See also: TEPCO Plugin

{jenkins-plugin-info:pluginId=tepco-epuw}

This plugin shows current TEPCO electric power usage and a graph of daily usage.

Thanks for the data provided by http://tepco-usage-api.appspot.com/.