Are you having trouble with SoftBank Energy (SoftBank Denki)?
Living in Tokyo is amazing, but dealing with Japanese utility companies can be stressful, especially when language is a barrier. Whether you’re facing high bills, payment issues, or technical glitches, this guide will help you navigate the situation in plain English.
1. Common Issues with SoftBank Energy
Most international residents in Japan face these three main problems:
• High Billing: Why is my bill higher than last month?
• Payment Failures: My credit card was rejected, or I lost my convenience store payment slip.
• My SoftBank App Errors: I can’t log in to see my usage.
2. How to Contact Support (The “Language Gap” Solution)
SoftBank Energy’s main support is primarily in Japanese. If you don’t speak Japanese, here is the best way to handle it:
• Phone Support: Call 0800-170-3710 (Toll-free).
• Tip: If you cannot speak Japanese, use a translation app or ask a Japanese-speaking friend to help you. Say: “Eigo no tantousha wa imasu ka?” (Is there an English speaker?)
3. Key Vocabulary You Need to Know
When looking at your bill or dashboard, look for these keywords:
• Electricity Bill: 電気代 (Denki-dai)
• Usage Amount: 使用量 (Shiyou-ryou)
• Payment Method: 支払い方法 (Shiharai-houhou)
• Cancellation Fee: 解約金 (Kaiyaku-kin)
4. Moving or Cancelling?
If you are moving within Tokyo or leaving Japan, you must notify them at least 7 to 10 days in advance. You can usually do this via the “My SoftBank” portal.
Japanese Version of this article:
Troubleshooting SoftBank Energy (Japanese)
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Disclaimer:
This article is based on the author’s personal experience and information available as of February 2026. While we strive to provide accurate information, please note that SoftBank Energy’s policies, contact numbers, and procedures may change. For official support and critical issues regarding your electricity contract, we recommend contacting SoftBank Energy’s official customer support directly. Life Hacks Tokyo is not responsible for any issues arising from the use of this information.
この記事は2026年2月時点の情報に基づいています。正確を期していますが、ソフトバンクでんきの方針や番号は変更される場合があります。公式なサポートや契約に関する重要な問題については、公式カスタマーサポートに直接連絡することをお勧めします。当サイトは、この情報の利用により生じた問題について責任を負いません。