Korean Electricity Bill Tier Calculator

한국어

Enter the kilowatt hours you used this month and see how the charge stacks up tier by tier.

You also get how many kWh are left before the next tier and what more usage costs from where you stand. The rate tables come from KEPCO's own pages, with the date they took effect and the date we checked them. No login, and nothing you type leaves this page.

In a non-summer month, 350 kWh at low voltage comes to ₩68,679 once the subtotal and tax are added. Items left out of the calculation, such as the fuel cost adjustment, are named below.

Low or high voltage
Houses and most low rise flats are low voltage. Many apartment complexes take high voltage and split it between units. Your bill says which.
Which month

July and August use wider tiers. The current month is preselected.

January uses the ordinary season tiers.

Rate table in effect from 2023-11-09. checked 2026-09-22.

Source: KEPCO Cyber Branch, residential electricity rate table, KEPCO Cyber Branch, climate and environment charge, KEPCO Cyber Branch, fuel cost adjustment charge, Korean Law Information Center, Value Added Tax Act Article 30, Korean Law Information Center, Enforcement Decree of the Electric Utility Act Article 36

What people look for in summer

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What this calculation leaves out

It does not claim to be your billed amount. Your KEPCO bill is the authority on that.

Welfare discounts and large household rates are left out because eligibility differs household by household.

The fuel cost adjustment is left out. It is set quarterly and we could not confirm the current figure from the source.

We are not connected to KEPCO. This is a calculator that copies their published tables.

Read how the tiers work

Other things we build

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