Remote island universal service adjustment unit price and the average remote island fuel price, which is the basis for its calculation, are as follows.

Classification

September 2025

Including consumption tax included

Pay-per-use supply

Specific Retail Supply Terms and Conditions

Residential lighting A, B, C

Low- Voltage Power etc.

Per kWh

-0.03円

Terms and Conditions of Supply and Demand Contract

Smart Family Plan

Smart Business Plan etc.

Per kWh

-0.03円

Fixed-price supply

Flat rate lighting

Public Street Lighting Plan A

Agricultural lighting

electric light

Up to 10W per lamp

-0.14円

For one lamp over 10W up to 20W

-0.26円

For one lamp over 20W up to 40W

-0.55円

For one lamp over 40W up to 60W

-0.81円

For one lamp over 60W up to 100W

-1.35円

For each lamp over 100W up to 100W

-1.35円

Small Devices

Per device up to 50VA

-0.41円

For one device over 50VA up to 100VA

-0.81円

For each device over 100VA up to 50VA

-0.41円

Temporary Lighting Plan A

(per day)

When the total capacity is up to 50VA

-0.01円

When the total capacity is over 50VA and up to 100VA

-0.02円

If the total capacity exceeds 100VA and is up to 500VA,

-0.02円

When the total capacity is over 500VA and up to 1kVA

-0.22円

If the total capacity is more than 1kVA and up to 3kVA,

-0.22円

Temporary Power Plan

(per day)

In the case of a contracted power of 0.5 kW

-0.12円

Contract power: from 1kW to 5kW, for every 1kW

-0.23円

Late Night Power A

(Terms and Conditions of Supply and Demand Contract)

Per contract

-3.47円

Agriculture Power Plan B

(per day)

Contract power: 0.5kW

-0.06円

Contracted power: 1kW

-0.12円

Contracted power: 2kW

-0.23円

Contracted power: 3kW

-0.35円

Contracted power: 4kW

-0.45円

Contracted power: 5kW

-0.57円

  • Remote island universal service adjustment unit price for September 2025 will be calculated based on the average fuel price for remote islands from April 2025 to June 2025.
     
  • Remote island universal service adjustment unit price will also be notified to you on your monthly meter reading notice, invoice, etc.
     
  • Electricity charges are calculated based on a unit price that includes the equivalent of consumption tax, etc.
     
  • Please note that the units listed in the table below may differ from those displayed on lighting fixtures, etc.
    ・W (Watts)
    ・VA (Volt-Amperes)
    ・kW (kilowatts)
    For more information, please see the FAQ below.

Average fuel price on remote islands

Classification

unit

Application period of Remote island universal service adjustment unit price

September 2025

Average Crude Oil Price

1キロリットルあたり

68,774 yen

Average LNG Price

1トンあたり

86,945 yen

Average Coal Price

1トンあたり

17,505 yen

Average fuel price on remote islands

原油換算1キロリットルあたり

68,800 yen

  • The average fuel price for remote islands is based on trade statistics for a three-month period.