Application process (J:COM Denki)
Switching is very easy!
- for the contract period
no binding - Initial cost
pear - Cancellation fee
pear - Witness construction
Pear *1
Flow to use
ご利用シーンをお選びください
Prepare what you need
Apply from the web
You can complete your application online.
New customers
Sign UpJ:COM Customers
Adding J:COM ElectricityClick here to switch from J:COM DENRYOKU to J:COM Denki
Start using
As soon as the contract is completed, you can start using it.
Indoor construction *1 ・Attendance is not required.
当社がお申し込みを承諾した日からご利用開始まで、約3週間（北海道電力エリアは約1カ月）ほどかかる場合あり。
- J:COMに未加入の方
- J:COMに加入中の方
Prepare what you need
②以下の情報
・引越し先住所 ・ご利用開始希望日
・引越し先が北海道電力エリアの方は、引越し先の供給地点特定番号が必要
Apply from the web
New customers
Sign UpStart using
As soon as the contract is completed, you can start using it.
Indoor construction *1 ・Attendance is not required.
当社がお申し込みを承諾した日からご利用開始まで、約3週間（北海道電力エリアは約1カ月）ほどかかる場合あり。
Prepare what you need
以下の情報をご用意ください
・引越し先住所 ・ご利用開始希望日
・引越し先が北海道電力エリアの方は、引越し先の供給地点特定番号が必要
Apply from the web
Start using
As soon as the contract is completed, you can start using it.
Indoor construction *1 ・Attendance is not required.
当社がお申し込みを承諾した日からご利用開始まで、約3週間（北海道電力エリアは約1カ月）ほどかかる場合あり。
Complete Support
J:COM Denki/ J:COM DENRYOKU
Click here User
User please click here for procedures, support information, and questions.
If you are considering signing up or adding services
Sign Up information
Check how much your electricity bill will be
Inquiries regarding J:COM electricity
Contact us by phone (toll free)
0120-848-816
9:00-18:00 [Open all year round]
FAQ
What do I need when I apply?
You will need the following information to apply: (Please have your electricity bill (meter reading slip, etc.) ready.)
- Switching company name: Name of retail electricity company under contract
- Current contract type: contract type/plan name in use
- Subscriber name
- Switching operator customer number: Customer number of the retail electricity company you are contracted with
- Supply point identification number: A number that identifies the electricity supply point (22 digits)
Click here for information on how to check the number and contact information for each power company.
Is indoor construction required when switching to "J:COM Electricity"?
You can switch to "J:COM Electricity" without any indoor construction work required *1.
- It may be necessary to replace the outdoor meter (watt-hour meter) (free of charge).
Can I only sign up for J:COM Denki if I get a cable TV set?
Anyone who lives within the areas served by the following electric power companies can apply for "J:COM Denki" alone.
- Hokkaido Electric Power
- Tohoku Electric Power
- Tokyo Electric Power Company
- Kansai Electric Power
- Chugoku Electric Power
- Kyushu Electric Power
Are there initial costs such as fees?
There are no initial costs, such as fees or installation costs, associated with subscribing to "J:COM Denki."
Are there any restrictions on the contract period? Will I be charged a penalty for canceling the contract?
There are no restrictions on the contract period.
You can cancel at any time without penalty.
For customers with long-term contracts that include other J:COM services, individual contract terms will apply.
Is "J:COM Denki/ J:COM DENRYOKU" eligible for discounts under government subsidies?
「J:COM でんき/J:COM 電力」は、国の「電気・ガス価格激変緩和対策事業」、「酷暑乗り切り緊急支援」、令和7年度電気・ガス料金負担軽減支援事業」の対象となります。
詳しくはこちら
[Notes]
- It may be necessary to replace the outdoor meter (watt-hour meter) (free of charge).
- 当社がお申し込みを承諾した日からご利用開始まで、約3週間（北海道電力エリアは約1カ月）ほどかかる場合あり。
- Depending on the fuel cost adjustment amount in your area and the details of your current contract, some applications may not be accepted.
[About the amount including tax]
- The listed amounts include tax unless otherwise specified.
- Consumption tax differences may occur due to changes in the consumption tax rounding method under the invoice system.
