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

July 2026

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

-0.02円

Terms and Conditions of Supply and Demand Contract

Smart Family Plan

All Electric Nighttime Select etc.

Per kWh

-0.02円

Fixed-price supply

Flat rate lighting

Public Street Lighting Plan A

Agricultural lighting

electric light

Up to 10W per lamp

-0.10円

For one lamp over 10W up to 20W

-0.19円

For one lamp over 20W up to 40W

-0.38円

For one lamp over 40W up to 60W

-0.57円

For one lamp over 60W up to 100W

-0.95円

For each lamp over 100W up to 100W

-0.95円

Small Devices

Per device up to 50VA

-0.29円

For one device over 50VA up to 100VA

-0.57円

For each device over 100VA up to 50VA

-0.29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

-0.01円

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

-0.01円

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

-0.16円

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

-0.16円

Temporary Power Plan

(per day)

In the case of a contracted power of 0.5 kW

-0.08円

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

-0.16円

Late Night Power A

(Terms and Conditions of Supply and Demand Contract)

Per contract

-2.44円

Agriculture Power Plan B

(per day)

Contract power: 0.5kW

-0.04円

Contracted power: 1kW

-0.08円

Contracted power: 2kW

-0.16円

Contracted power: 3kW

-0.24円

Contracted power: 4kW

-0.32円

Contracted power: 5kW

-0.40円

  • Remote island universal service adjustment unit price for July 2026 will be calculated based on the average fuel price for remote islands from February 2026 to April 2026.
     
  • 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

July 2026

Average Crude Oil Price

1キロリットルあたり

71,857 yen

Average LNG Price

1トンあたり

87,444 yen

Average Coal Price

1トンあたり

19,666 yen

Average fuel price on remote islands

原油換算1キロリットルあたり

71,900 yen

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