New CustomersCheck how much your electricity bill will be
J:COM電力に関するお問い合わせ
Contact us by phone
(Free call)
0120-848-816
9:00-18:00 [Open all year round]
J:COM Electricity Recommended
reason
Price menu
Great value, peace of mind, and no construction required! Electricity is J:COM.
Save on your electricity bill!
Tokyo, Tohoku, Kansai, Chugoku,
Kyushu Electric Power Area
Up to 3% OFF
Hokkaido area
Up to 1% OFF
- Depending on the customer's contract plan, usage status, and fluctuations in fuel cost adjustment amounts, the price may not be lower.
- The usage portion will be discounted compared to the former general electric utility companies, and when the third stage is applied, the Tokyo, Tohoku, Kansai, Chugoku, and Kyushu Electric Power areas will receive a 3% discount, and the Hokkaido Electric Power area will receive a 1% discount.
- Depending on the fuel cost adjustment amount in your area and the details of your current contract, some applications may not be accepted.
Electricity rate simulationVirtually zero CO2 emissions *1 in
environmentally friendly
J:COM Electricity Recommended
reason
- Reason 1
-
Same power grid as before
Read more about quality
Electricity stability/
Safety remains the same!
- Reason 2
Initial cost/cancellation cost/
No witness work required!*2
- Reason 3
Payments are consolidated with J:COM
J:COM service charges and
Easily manage your household finances by consolidating your bills
- Reason 4
Electricity only contract
View price menu by region
Great deal *3 become
Local power company ※Four Discounts according to each stage from the metered lighting plan!
Corresponding area
Available in 6 areas nationwide.
Hokkaido Electric Power area / Tohoku Electric Power area / Tokyo Electric Power area / Kansai Electric Power area / Chugoku Electric Power area / Kyushu Electric Power area
- Excluding some areas
- Those who live outside the Hokkaido area and subscribed before April 4, 2024, or those who live in the Hokkaido area and subscribed before May 14, 2025, will be covered by J:COM Electric Power.
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Electricity charges and usage
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Received five stars in the Energy Conservation Communication Ranking System
J:COM Electric/Electricity suppliers J: J:COM Sapporo and Sumitomo Corporation *1 have been awarded the highest rating of five stars in the retail electricity supplier category for 2024 in the Energy Conservation Communication Ranking System implemented by the Agency for Natural Resources and Energy.
This is an evaluation of efforts made in fiscal year 2023.
Although each Group company has transitioned from a retail electricity supplier to an intermediary business *2, they continue to provide information and promote initiatives related to energy conservation.
- Electricity retailer of "J:COM Denki/ J:COM Electric Power" excluding Hokkaido Electric Power area
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Tohoku, Tokyo, Kansai, Chugoku, and Kyushu Electric Power Areas
From fiscal 2024, electricity supplied by Sumitomo Corporation will be supplied as J:COM Denki/ J:COM DENRYOKU based on an intermediary agreement between Sumitomo Corporation, a retail electricity supplier, and J:COM group companies, which are intermediary providers.[Hokkaido Electric Power Area]
From fiscal year 2025, electricity supplied by Hokkaido Electric Power Co., Inc., a retail electricity supplier, will be supplied as J:COM J:COM, an agency.
Easy online
procedures
power statement
(meter reading slip, etc.)
Sign Up
Start using
You don't need to be present or cancel the contract with the electric power company.
It may take several weeks to switch.
Solar Course
If you are considering signing up or adding services
Sign Up information
Check how much your electricity bill will be
J:COM電力に関するお問い合わせ
Contact us by phone
(Free call)
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?
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"J:COM Denki/ J:COM DENRYOKU" is eligible for the government's "Electricity and Gas Price Sudden Change Mitigation Measures Project," "Emergency Support to Get Through the Extreme Heat," and "FY2024 Electricity and Gas Fee Burden Reduction Support Project."
Learn more
Useful column
We provide a variety of information related to electricity, such as how to save on electricity bills, how to use home appliances wisely, and how to calculate electricity bills.
- By using non-fossil certificates designated as renewable energy for electricity that includes thermal power, FIT electricity, renewable energy, etc. procured from retail electricity companies that we are affiliated with, we can effectively generate 100% renewable energy. Achieved zero CO2 emissions.
- It may be necessary to replace the outdoor meter (electricity meter) (free of charge).
- Depending on the customer's contract plan, usage status, and fluctuations in fuel cost adjustment amounts, the price may not be lower.
- Former general electric utility company
[About the amount including tax]
- Consumption tax differences may occur due to changes in the consumption tax rounding method under the invoice system.
