Download Terms and Conditions of Electricity Supply, Terms and Conditions of Supply and Demand Contract etc.

All the data introduced here is in PDF format. When you open the data, a separate window will open.

From November 1, 2026, revisions to Wheeling Charge by general power transmission and distribution companies* will be reflected in electricity rates.
* Wheeling Charge refer to the fees charged by retail electricity providers for using distribution network when transmitting electricity.

For details on the new electricity rates, please see the overview page for each Rate Plan here.

(Contract terms and conditions effective from November 1, 2026)

(Contract terms and conditions until October 31, 2026)

• For customers who have signed a contract with our gas company

(Contract terms and conditions effective from November 1, 2026)

(Contract terms and conditions until October 31, 2026)

• The following are, in principle, suspension of new subscriptions:

(Contract terms and conditions effective from November 1, 2026)

(Contract terms and conditions until October 31, 2026)

(For customers with Smart Family Plan (including gas set))

(For customers with Smart Family Plan (including gas set) and Smart Business Plan (including gas set) contracts)

• The following is a new subscription suspension:

(For customers with Low- Voltage Power contracts under specific retail supply provisions)

• This document stipulates the basic terms of gas contracts.

• A contract that specifies the rates, etc. of your gas contract (terms of use)

• Special gas rate measures related to electricity and gas rate support