Rate Plan -J:COM GAS supplied by Keiyo Gas
Great discounts and rate plans
information about
Keiyo gas area is eligible!
Inquiries about application
Contact us by phone
(Toll free)0120-848-816
AM 9:00-PM 6:00 [open all year round]
Keiyo gas area is eligible!
J:COM GAS
Save money by buying in bulk
Value 1
By subscribing to our 2-year gas contract service
Annual total amount 1,320 Save 1000 yen (tax included)!
Just switch to J:COM GAS and you'll get a discount of 110 yen (tax included) on your monthly fee.
If you cancel during the discount period, the discount will end.
J:COM GAS all courses
Value 2
J:COM GAS
At “Value Hot Course”
Save even more on gas prices!
Save money on monthly gas bills!
If your household subscribes to Keiyo Gas's standard rate and your monthly gas consumption exceeds 3m3, you can save money by subscribing to J:COM GAS 's Value Hot Course.
Keiyo gas general charge
J:COM GAS Value Hot Course

Application of "2-year gas contract service"
To be eligible for the "2-year gas contract service," you must be subscribed to J:COM GAS and one of the following services designated by us: television, internet, Landline, mobile, or electricity.
J:COM GAS
Requires subscription to one of the services
- A discount will be applied to J:COM service charges from the month following the start of your gas supply.
- If you cancel during the discount period, the discount will end.
- There is no cancellation fee for the two-year contract service.
- J:COM GAS contracts are only accepted for switching from other gas retailers. Depending on the status of your current energy service contract, such as a general contract, you may not be able to switch.
- J:COM DENRYOKU has stopped accepting new applications.
J:COM GAS
About course fees
Gas rate calculation method
The calculation method differs depending on the course you use.
For J:COM GAS Value Hot Course


J:COM GAS Hot Hot Course, Yuka Hot Course

- It is determined by the price menu you have contracted.
- A rate calculated from the price of liquefied natural gas and liquefied petroleum gas, which are the raw materials of gas. Prices are subject to monthly review due to price fluctuations.
Course fee
Eligible for "2-year gas contract service"
This plan will save you 1,320 yen (tax included) per year with the "2-year gas contract service."
J:COM GAS Value Hot Course
(Equivalent to Keiyo Gas's "Value Hot")
This is a price menu that anyone can apply for.
This rate menu is especially recommended for customers who meet the following conditions.
- You have a contract with Keiyo Gas for "general rate" or "value hot"
- Using a gas water heater for baths and showers
- Your monthly gas bill is 1,000 yen or more *
- If you have a Keiyo Gas "General Rate" contract and use more than 3 m3 of gas per month, you can get a great deal with J:COM GAS "Value Hot Course."
Price list
Price list | Monthly usage | Basic charge (tax included) | Unit charge |
---|---|---|---|
Price list A | From 0m3 to 2m3 | 1,154.73 yen |
Please check here. * Regarding the “unit charge adjustment amount” included in the unit charge, |
Price list B | Over 2m3 up to 17m3 | 815 yen 10 sen | |
Price list C | Over 17m3 up to 100m3 | ¥1,282.02 | |
Price list D | Over 100m 3 up to 350m 3 | 1,461.32 yen | |
Price list E | Over 350m3 | ¥6,509.40 |
- Tax-inclusive unit prices are used to calculate gas charges.
- All prices shown include tax.
- Depending on the amount of usage, one of the tariffs from A to E will be applied.
J:COM GAS Hot Course
(Equivalent to Keiyo Gas's "Hot Hot")
This is a special price menu for customers who use gas heaters or gas bathroom heater/dryers.
Price list
Applicable period | Price list | Monthly usage | Basic charge (tax included) | Unit charge |
---|---|---|---|---|
Other period (For meter reading from May to November) |
Price list A | From 0m3 to 20m3 | 815 yen 10 sen |
Please check here. * Regarding the “unit charge adjustment amount” included in the unit charge, |
Price list B | Over 20m3 up to 100m3 | 1,324.40 yen | ||
Price list C | Over 100m3 | 1,939.30 yen | ||
winter (For meter reading from December to April) |
Price list D | From 0m3 to 20m3 | 815 yen 10 sen | |
Price list E | Over 20m3 up to 50m3 | 1,324.40 yen | ||
Price list F | Over 50m3 | ¥1,947.00 |
- Tax-inclusive unit prices are used to calculate gas charges.
- All prices shown include tax.
- Depending on the amount of usage, one of the tariffs from A to F will be applied.
Option discount
Depending on the combination of gas appliances you use, we will further discount the "Hot Hot Course".
When using an Eco-Jozu water heater
Discount type | Discount rate | per month Maximum discount amount (tax included) |
Gas appliances used at the customer's home | |||
---|---|---|---|---|---|---|
eco jaws Water heater |
gas kitchen equipment |
gas drying equipment |
mist sauna function * |
|||
Eco-wari | 3% | 1,048 yen | 〇 | - | - | - |
Eco Maruwari | 8% | 2,095 yen | 〇 | 〇 | - | - |
Eco Maruwari Dry | 9% | 2,619 yen | 〇 | 〇 | 〇 | - |
Eco Maruwari Mist | 10% | 3,143 yen | 〇 | 〇 | 〇 | 〇 |
- The mist generator must be integrated with the gas bathroom heater/dryer or installed in the bathroom together with the gas bathroom heater/dryer.
When using a conventional gas water heater
Discount type | Discount rate | per month Maximum discount amount (tax included) |
Gas appliances used at the customer's home | |||
---|---|---|---|---|---|---|
gas Water heater (Conventional) |
gas kitchen equipment |
gas drying equipment |
mist sauna function * |
|||
Maruwari | 5% | 1,048 yen | 〇 | 〇 | - | - |
Maruwari dry |
6% | 1,571 yen | 〇 | 〇 | 〇 | - |
Maruwari mist |
7% | 2,095 yen | 〇 | 〇 | 〇 | 〇 |
- The mist generator must be integrated with the gas bathroom heater/dryer or installed in the bathroom together with the gas bathroom heater/dryer.
- Option discount cannot be applied alone.
- There is no discount if the amount used is 0㎥.
- The discount amount is the total amount of the basic charge and the metered charge multiplied by the discount rate.
J:COM GAS Yuka Hot Course
(Equivalent to Keiyo Gas's "Yuka Hotto")
This is a special price menu for customers using gas hot water floor heating.
Price list
Applicable period | Price list | Monthly usage | Basic charge (tax included) | Unit charge |
---|---|---|---|---|
Other period (For meter reading from May to November) |
Price list A | From 0m3 to 20m3 | 815 yen 10 sen |
Please check here. * Regarding the “unit charge adjustment amount” included in the unit charge, |
Price list B | Over 20m3 up to 100m3 | 1,324.40 yen | ||
Price list C | Over 100m3 | 1,939.30 yen | ||
winter (For meter reading from December to April) |
Price list D | From 0m3 to 20m3 | 815 yen 10 sen | |
Price list E | Over 20m3 up to 50m3 | ¥1,571.35 | ||
Price list F | Over 50m3 | 2,144.45 yen |
- Tax-inclusive unit prices are used to calculate gas charges.
- All prices shown include tax.
- Depending on the amount of usage, one of the tariffs from A to F will be applied.
Option discount
Depending on the combination of gas appliances you use, we will further discount the "Yuka Hot Course".
When using an Eco-Jozu water heater
Discount type | Discount rate | per month Maximum discount amount (tax included) |
Gas appliances used at the customer's home | |||
---|---|---|---|---|---|---|
eco jaws Water heater |
gas kitchen equipment |
gas drying equipment |
mist sauna function * |
|||
Eco-wari | 3% | 1,048 yen | 〇 | - | - | - |
Eco Maruwari | 8% | 2,095 yen | 〇 | 〇 | - | - |
Eco Maruwari dry |
9% | 2,619 yen | 〇 | 〇 | 〇 | - |
Eco Maruwari mist |
10% | 3,143 yen | 〇 | 〇 | 〇 | 〇 |
- The mist generator must be integrated with the gas bathroom heater/dryer or installed in the bathroom together with the gas bathroom heater/dryer.
When using a conventional gas water heater
Discount type | Discount rate | per month Maximum discount amount (tax included) |
Gas appliances used at the customer's home | |||
---|---|---|---|---|---|---|
gas Water heater (Conventional) |
gas kitchen equipment |
gas drying equipment |
mist sauna function * |
|||
Maruwari | 5% | 1,048 yen | 〇 | 〇 | - | - |
Maruwari dry |
6% | 1,571 yen | 〇 | 〇 | 〇 | - |
Maruwari mist |
7% | 2,095 yen | 〇 | 〇 | 〇 | 〇 |
- The mist generator must be integrated with the gas bathroom heater/dryer or installed in the bathroom together with the gas bathroom heater/dryer.
- Option discount cannot be applied alone.
- There is no discount if the amount used is 0㎥.
- The discount amount is the total amount of the basic charge and the metered charge multiplied by the discount rate.
Recommended Services
If you are considering signing up or adding services
Sign Up information
Keiyo gas area is eligible!
Inquiries about application
Contact us by phone
(Toll free)0120-848-816
AM 9:00-PM 6:00 [open all year round]
Keiyo gas area is eligible!
Contract terms, etc.
[About J:COM GAS (hereinafter referred to as this service)]
- Basic charges are incurred even if gas is not used.
- For details such as rates, check the gas retail supply agreement and definitions, etc., which are specified separately.
- This service is limited to residences using city gas 13A within the Keiyo gas supply area. If you use propane gas or all-electric, you cannot switch to this service.
- If less than one year has passed since the date of cancellation of this service, it may not be possible to renew the contract with the same demand location and the same content.
- J:COM has a business alliance with Keiyo Gas Co., Ltd., and gas supply is provided by Keiyo Gas.
- J:COM GAS contracts are only accepted for switching from other gas retailers.
- There are three menus that can be accepted at J:COM ``Value Hotto Course,'' ``Hot Hotto Course,'' and ``Yukahotto Course.'' Switching may not be possible depending on the customer's current energy service contract status, such as a comprehensive contract.
- Installation fees/handling charges etc. may apply to use, cancel or change services other than J:COM GAS.
[About the 2-year gas contract service]
- To apply, you must subscribe to one of the following services designated by our company: television, internet, Landline, smartphone, or electricity.
- A discount will be applied to J:COM service charges from the month following the start of your gas supply.
- If the service is changed or canceled during the discount period, the discount will end.
- There is no cancellation fee for the two-year contract service.
[Display based on the Specified Commercial Transactions Law regarding J:COM GAS (hereinafter referred to as this service)]
- Regarding cooling-off: 1. If you notify us in writing or electromagnetic records by the day 8 days have passed from the date of receipt of the "Explanation of important matters regarding J:COM service subscription" that will be given to you at the time of contracting for this service. , the contract for providing this service can be canceled. We will notify you of the start date (switching date) of this service at a later date. 2.If this service has already been provided to the customer, the cost of canceling this service will be borne by our company.
- If you request it, we will send you a separate document or electronic data containing the full text of the notice based on the Specified Commercial Transactions Act.
<Caution>
- All illustrations are for illustrative purposes only.
[About the amount including tax]
- Consumption tax differences may occur due to changes in the consumption tax rounding method under the invoice system.
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- Rate Plan -J:COM GAS supplied by Keiyo Gas