Environment
Social
Governance
April 10, 2026
Notice to Customers
We would like to take this opportunity to thank you for your continued support of our business.
We have discovered that some of the information on the March 2026 invoice that was sent out on April 7, 2026, for our electricity retail service was incorrect.
We sincerely apologize for any inconvenience this may cause to our customers.
The total amount billed will be calculated at the correct amount and there will be no change in the payment amount. The details are as follows
1. eligible customers
Areas covered: Nationwide (excluding Hokkaido and Okinawa areas)
Voltage classification: Special high-voltage / High-voltage metering (*Except for customers under the high-voltage negotiated system)
Contracted plan: JEPX-linked plan
Meter reading classification: Unified schedule (for customers whose usage period is from March 1 to March 31)
Details of misstatement
On the paper bill that was mailed to you, there was an error in the electricity unit price listed in the "Average Unit Price Calculation" under "Charge Item" in the "Billing Details" section.
Important
interpoint (interword separation)Paper invoices (for April 7, 2026 shipments only)is the subject of the misdescription.
interpoint (interword separation)Customer Portal SiteThe invoices that can be viewed and downloaded at the following website contain the correct unit price.
| extra-high pressure | High-voltage actual volume system (less than 500 kW) | |||
| area | 誤 | 正 | 誤 | 正 |
| Tohoku Area | 13.28 yen | 14.46 yen | 12.59 yen | 15.31 yen |
| Kanto Area | 13.35 yen | 16.94 yen | 12.29 yen | 17.47 yen |
| Chubu Area | 13.01 yen | 15.10 yen | 12.21 yen | 15.82 yen |
| Hokuriku Area | 12.53 yen | 14.24 yen | 11.40 yen | 14.65 yen |
| Kansai Area | 12.30 yen | 14.45 yen | 11.61 yen | 15.29 yen |
| China Area | 12.07 yen | 13.92 yen | 11.73 yen | 15.11 yen |
| Shikoku Area | 9.68 yen | 9.50 yen | 8.88 yen | 10.20 yen |
| Kyushu Area | 11.96 yen | 12.78 yen | 11.21 yen | 13.55 yen |
3. future actions and prevention of recurrence
This incident was caused by an inadequacy in the system printing process. We will further strengthen our verification system and strive to prevent recurrence.
If you have any questions, please contact us at
We apologize for any inconvenience this may cause and ask for your understanding.
Contact information for inquiries
(Retail Electricity Supplier Registration No.: A0355)
Marunouchi Trust Tower N, 14F, 1-8-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005, Japan
Phone number 050-2018-7856
Hours: 9:00-17:00 (except Saturdays, Sundays, national holidays, and year-end and New Year holidays)
Chuo Denryoku Energy Corporation (Retail Electricity Supplier Registration No. A0020)
Marunouchi Trust Tower N, 14F, 1-8-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005, Japan
Phone number 050-2018-7856
Hours: 9:00-17:00 (except Saturdays, Sundays, national holidays, and year-end and New Year holidays)