List of Fuel, etc. adjustment unit price

Customers under the specific retail supply provisions

(yen/kWh)

FY2026

Fuel adjustment unit price

Remote island universal service adjustment unit price

total

(Fuel, etc. adjustment unit price)

4⽉

-0.26

[-1.50]

-0.04

-0.30

5⽉

1.28

－

-0.04

1.24

(yen/kWh)

Fiscal Year 2025

Fuel adjustment unit price

Remote island universal service adjustment unit price

total

(Fuel, etc. adjustment unit price)

4⽉

0.56

[-1.30]

-0.01

0.55

5⽉

1.86

－

-0.01

1.85

6⽉

1.86

－

-0.01

1.85

7⽉

1.55

－

-0.01

1.54

8⽉

-0.72

[-2.00]

-0.02

-0.74

9⽉

-1.31

[-2.40]

-0.03

-1.34

October

-1.02

[-2.00]

-0.04

-1.06

November

1.01

－

-0.04

0.97

December

1.02

－

-0.04

0.98

January

1.06

－

-0.03

1.03

February

▲3.44

[▲4.50]

▲0.03

▲3.47

March

▲3.36

[▲4.50]

▲0.03

▲3.39

(yen/kWh)

2024

Fuel adjustment unit price

Remote island universal service adjustment unit price

total

(Fuel, etc. adjustment unit price)

4⽉

-1.64

[-3.50]

0.01

-1.63

5⽉

-1.64

[-3.50]

0.00

-1.64

6⽉

0.06

[-1.80]

0.00

0.06

7⽉

1.86

－

0.00

1.86

8⽉

1.86

－

0.01

1.87

9⽉

-2.14

[-4.00]

0.02

-2.12

10⽉

-2.14

[-4.00]

0.02

-2.12

11⽉

-0.64

[-2.50]

0.02

-0.62

12⽉

1.86

－

0.01

1.87

1⽉

1.86

－

-0.01

1.85

February

-0.64

[-2.50]

-0.01

-0.65

March

-0.64

[-2.50]

-0.02

-0.66

(yen/kWh)

2023

Fuel adjustment unit price

Remote island universal service adjustment unit price

total

(Fuel, etc. adjustment unit price)

4⽉

3/31まで

-5.14

[-7.00]

0.08

-5.06

4/1から

-5.14

[-7.00]

0.01

-5.13

5⽉

-5.14

[-7.00]

-0.01

-5.15

6⽉

-5.14

[-7.00]

-0.02

-5.16

7⽉

-5.14

[-7.00]

-0.02

-5.16

8⽉

-5.14

[-7.00]

-0.02

-5.16

9⽉

-5.14

[-7.00]

-0.02

-5.16

10⽉

-1.64

[-3.50]

-0.02

-1.66

11⽉

-1.64

[-3.50]

-0.02

-1.66

12⽉

-1.64

[-3.50]

-0.01

-1.65

1⽉

-1.64

[-3.50]

0.00

-1.64

2⽉

-1.64

[-3.50]

0.02

-1.62

3⽉

-1.64

[-3.50]

0.02

-1.62
  1. Fuel adjustment unit price for July 2022 to June 2025 has been calculated based on the average fuel price of 41,100 yen/kl, as the average fuel price exceeded the upper limit price (41,100 yen/kl).
  2. Fuel adjustment unit price is the discount unit price ([　] (includes reprints).
  3. Starting April 1, 2023, we are reviewing the assumptions for adjusting universal service to remote islands.
  4. Includes the equivalent of consumption tax, etc.

Customers under Terms and Conditions of Supply and Demand Contract

(yen/kWh)

FY2026

Fuel adjustment unit price

Remote island universal service adjustment unit price

total

(Fuel, etc. adjustment unit price)

4⽉

-0.26

[-1.50]

-0.04

-0.30

5⽉

1.28

－

-0.04

1.24

(yen/kWh)

Fiscal Year 2025

Fuel adjustment unit price

Remote island universal service adjustment unit price

total

(Fuel, etc. adjustment unit price)

4⽉

0.90

[-1.30]

-0.01

0.89

5⽉

2.11

－

-0.01

2.10

6⽉

1.92

－

-0.01

1.91

7⽉

1.55

－

-0.01

1.54

8⽉

-0.72

[-2.00]

-0.02

-0.74

9⽉

-1.31

[-2.40]

-0.03

-1.34

10⽉

-1.02

[-2.00]

-0.04

-1.06

11⽉

1.01

－

-0.04

0.97

12⽉

1.02

－

-0.04

0.98

1⽉

1.06

－

-0.03

1.03

2⽉

▲3.44

[▲4.50]

▲0.03

▲3.47

3⽉

▲3.36

[▲4.50]

▲0.03

▲3.39

(yen/kWh)

2024

Fuel adjustment unit price

Remote island universal service adjustment unit price

total

(Fuel, etc. adjustment unit price)

4⽉

-0.97

[-3.50]

0.01

-0.96

5⽉

-1.00

[-3.50]

0.00

-1.00

6⽉

0.61

[-1.80]

0.00

0.61

7⽉

2.31

－

0.00

2.31

8⽉

2.19

－

0.01

2.20

9⽉

-1.81

[-4.00]

0.02

-1.79

10⽉

-1.74

[-4.00]

0.02

-1.72

11⽉

-0.27

[-2.50]

0.02

-0.25

December

2.09

－

0.01

2.10

January

1.97

－

-0.01

1.96

February

-0.51

[-2.50]

-0.01

-0.52

March

-0.41

[-2.50]

-0.02

-0.43

(yen/kWh)

2023

Fuel adjustment unit price

Remote island universal service adjustment unit price

total

(Fuel, etc. adjustment unit price)

4⽉

3/31まで

0.47

[-7.00]

0.08

0.55

4/1から

0.47

[-7.00]

0.01

0.48

5⽉

-0.19

[-7.00]

-0.01

-0.20

6⽉

-0.81

[-7.00]

-0.02

-0.83

7⽉

-1.57

[-7.00]

-0.02

-1.59

8⽉

-2.48

[-7.00]

-0.02

-2.50

9⽉

-3.33

[-7.00]

-0.02

-3.35

10⽉

-0.36

[-3.50]

-0.02

-0.38

11⽉

-0.63

[-3.50]

-0.02

-0.65

12⽉

-0.89

[-3.50]

-0.01

-0.90

1⽉

-0.92

[-3.50]

0.00

-0.92

2⽉

-0.90

[-3.50]

0.02

-0.88

3⽉

-0.85

[-3.50]

0.02

-0.83
  1. Fuel adjustment unit price includes discounted unit prices (reprinted in [ ]) under the government's "Measures to Mitigate Drastic Changes in Electricity and Gas Prices" and "Electricity and Gas Rate Support."
  2. Starting April 1, 2023, we are reviewing the assumptions for adjusting universal service to remote islands.
  3. Includes the equivalent of consumption tax, etc.

Customers to whom the specific retail supply provisions apply

FY2026

Fiscal Year 2025

2024

2023

  1. Fuel adjustment unit price for July 2022 to June 2025 has been calculated based on the average fuel price of 41,100 yen/kl, as the average fuel price exceeded the upper limit price (41,100 yen/kl).
  2. This includes discounted unit prices under the government's "Measures to Mitigate Drastic Changes in Electricity and Gas Prices" and "Electricity and Gas Rate Support."
  3. This includes Remote island universal service adjustment unit price. Effective April 1, 2023, the assumptions for the adjustment of universal service to remote islands have been revised, and the graph reflects the revised unit price.
  4. Includes the equivalent of consumption tax, etc.

Customers who are subject to Terms and Conditions of Supply and Demand Contract

FY2026

Fiscal Year 2025

2024

2023

  1. This includes discounted unit prices under the government's "Measures to Mitigate Drastic Changes in Electricity and Gas Prices" and "Electricity and Gas Rate Support."
  2. This includes Remote island universal service adjustment unit price. Effective April 1, 2023, the assumptions for the adjustment of universal service to remote islands have been revised, and the graph reflects the revised unit price.
  3. Includes the equivalent of consumption tax, etc.