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
October 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
-0.04円
Terms and Conditions of Supply and Demand Contract
Smart Family Plan
Smart Business Plan etc.
Per kWh
-0.04円
Fixed-price supply
Flat rate lighting
Public Street Lighting Plan A
Agricultural lighting
electric light
Up to 10W per lamp
-0.18円
For one lamp over 10W up to 20W
-0.34円
For one lamp over 20W up to 40W
-0.70円
For one lamp over 40W up to 60W
-1.04円
For one lamp over 60W up to 100W
-1.74円
For each lamp over 100W up to 100W
-1.74円
Small Devices
Per device up to 50VA
-0.53円
For one device over 50VA up to 100VA
-1.04円
For each device over 100VA up to 50VA
-0.53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
-0.03円
If the total capacity exceeds 100VA and is up to 500VA,
-0.03円
When the total capacity is over 500VA and up to 1kVA
-0.28円
If the total capacity is more than 1kVA and up to 3kVA,
-0.28円
Temporary Power Plan
(per day)
In the case of a contracted power of 0.5 kW
-0.15円
Contract power: from 1kW to 5kW, for every 1kW
-0.30円
Late Night Power A
(Terms and Conditions of Supply and Demand Contract)
Per contract
-4.46円
Agriculture Power Plan B
(per day)
Contract power: 0.5kW
-0.08円
Contracted power: 1kW
-0.15円
Contracted power: 2kW
-0.30円
Contracted power: 3kW
-0.45円
Contracted power: 4kW
-0.58円
Contracted power: 5kW
-0.73円
- Remote island universal service adjustment unit price for October 2025 will be calculated based on the average fuel price for remote islands from May 2025 to July 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
October 2025
Average Crude Oil Price
1キロリットルあたり
65,796 yen
Average LNG Price
1トンあたり
85,673 yen
Average Coal Price
1トンあたり
17,040 yen
Average fuel price on remote islands
原油換算1キロリットルあたり
65,800 yen
- The average fuel price for remote islands is based on trade statistics for a three-month period.