TEPCO省エネウォッチ is a business app by 東京電力エナジーパートナー株式会社 with 10,000+ downloads (about 20K estimated). +44 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “TEPCO EP Energy-saving support service for corporations This is a demand display alarm app exclusively for members (not a living TEPCO app).”