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)

Learn more

What is a customer number/supply point identification number?

Customer number
It is a number around 10 digits issued to each customer by the contracted electric power company. It may be written as "contract number".
Supply point identification number
A 22-digit number that identifies the location where electricity is used.

Learn more

How soon can I start using the service after applying?

After applying online, you can use it in about 3 weeks.

Do I need to contact my current power company to cancel the contract?

There is no need to contact your current power company. Please leave all necessary procedures to J:COM before switching.

Can I apply for an apartment or rental housing?

You can apply if you do not have a lump sum electricity contract for the entire building and each household has an individual contract with the power company.

If the entire condominium is contracted through a management association, etc. (high-voltage bulk power receiving contract), the response will be different, so please check with your condominium management association or contracted electric power company.

Is interior work required when switching to "J:COM Denki/ J:COM DENRYOKU"?

You can switch to "J:COM Denki/ J:COM DENRYOKU" without any interior work ^*1.

It may be necessary to replace the outdoor meter (watt-hour meter) (free of charge).

If you live outside the Hokkaido area and subscribe after April 4, 2024, you will be eligible for "J:COM Denki." If you subscribed before April 4, 2024, or if you live in the Hokkaido area, you will be subscribed to "J:COM Electric Power."

Can I cancel after applying?

You can cancel. There are no penalties for cancellation.

Please be assured that you will not be charged a penalty even if you cancel the electricity service after joining.

"J:COM Denki/ J:COM DENRYOKU" is only available as a set with cable television. Can't make a deal?

Anyone who lives within the areas served by the following electric power companies can apply for an electricity-only contract.

Hokkaido Electric Power
Tohoku Electric Power
Tokyo Electric Power Company
Kansai Electric Power
Chugoku Electric Power
Kyushu Electric Power

Electricity charges

Are there initial costs such as fees?: There are no initial costs such as fees or construction costs associated with subscribing to "J:COM Denki/ J:COM DENRYOKU ^*."

If you live outside the Hokkaido area and subscribe after April 4, 2024, you will be eligible for "J:COM Denki." If you subscribed before April 4, 2024, or if you live in the Hokkaido area, you will be subscribed to "J:COM Electric Power."
When will I receive my invoice?: After switching to our company, it depends on whether the first meter reading is performed in the current month or the next month.

If the first meter reading is done in the current month, we will bill you for the meter reading of the current month in the following month.
If the first meter reading is done in the following month, we will bill you for the next month's meter reading two months later.

About after joining

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 there a cost to change the contract type or amperage?: The contract type and contract capacity can be changed. A fee of 3,300 yen (including tax) may be charged for changes.

◇About cost
If the amperage/capacity increases: free of charge
If the amperage/capacity decreases: 3,300 yen (tax included) if less than 1 year has passed since the day electricity was opened, or the date of plan change/amperage change/capacity change; free if more than 1 year has passed.

If you request a change in contract current or contract capacity within one month from the start date of J:COM 's electricity service, it will be free of charge.

◇About change construction
J:COM will accept changes to the contract type and contract capacity and will ask for the desired date for construction, and the general power transmission and distribution company will carry out the construction. If the location of the distribution board or lead-in line is changed due to construction work that changes the contract type or contract capacity, you will be required to pay the amount billed by the general power transmission and distribution company separately.
Is construction necessary to change the contract type/plan?: It depends on the power company in your area.

■ Tokyo Electric Power, Kyushu Electric Power, Tohoku Electric Power, and Hokkaido Electric Power Area
construction work is required.
We will replace the ampere breaker (or limiter or contract safety breaker) installed in your home.
If necessary, such as installation or removal of the main switch, the customer will be required to perform construction work.

■ Kansai Electric Power and Chugoku Electric Power Areas
Since there is no ampere breaker installed, construction work by general power transmission and distribution companies is not required.
If you need to install or remove the main switch, you will need to make arrangements with an electrical contractor yourself.

Others

Do I need to be at home on the day of the power switchover? Also, will there be a power outage when switching?

Power outages will not occur. No need to stay at home.

If the power meter at the customer's home is not a smart meter, general power transmission and distribution companies are gradually replacing it with a smart meter.
A power outage may occur due to the replacement work for a smart meter.
Regarding the replacement work, the general power transmission and distribution business operator will contact the customer directly, so please check with the general power transmission and distribution business operator for details.

Please note that the smart meter replacement work date and J:COM Electricity/ J:COM DENRYOKU start date will not be the same day.

Do you offer an all-electric menu?

We are currently not accepting new applications for the all-electric menu.

Can I use it immediately after moving?

If you are in a hurry, please contact J:COM Customer Center Electrical Service Dedicated Line.

J:COM Denki/ J:COM DENRYOKU Plan Application and Inquiry Hotline

0120-848-816
9:00-18:00 [Open all year round]

Please have your electricity meter reading slip and usage details from your current electric power company ready when you call.

Please be careful not to dial the wrong number.
If your caller ID is set to be hidden, please add "186" before 0120 when calling.

Who should I contact in the event of a power outage?

In the event of a power outage, please check the website of the general power transmission and distribution company in your area.

Will paper bills disappear?

We do not issue paper meter reading slips.

You can check the billed amount and usage on the website, so please check My Page.

Will switching affect the quality of electricity (stability and safety)?

Since the same power transmission and distribution equipment (wires, substations, indoor wiring, etc.) will be used as before, the stability and safety of electricity will remain the same.