Octopus Tariff Tracker
Back to Southern Wales

Southern Wales Price History

August 2026

Minimum

-4.23p

Average

27.22p

Maximum

74.60p

Negative Periods

23

August 2026 PricesLine chart showing electricity prices over time. Minimum: -4.23p/kWh, Maximum: 74.60p/kWh-4.215.535.254.974.600:0018:0012:0006:0000:0018:0012:0006:0000:0018:0012:0006:0000:0000:30TimePrice (p/kWh)

1010 half-hourly periods

July 2026

Minimum

-6.89p

Average

22.77p

Maximum

53.92p

Negative Periods

69

July 2026 PricesLine chart showing electricity prices over time. Minimum: -6.89p/kWh, Maximum: 53.92p/kWh-6.98.323.538.753.900:0014:0004:0018:0008:0022:0012:0002:0016:0006:0020:0010:0023:30TimePrice (p/kWh)

1488 half-hourly periods

June 2026

Minimum

-9.04p

Average

21.06p

Maximum

84.50p

Negative Periods

61

June 2026 PricesLine chart showing electricity prices over time. Minimum: -9.04p/kWh, Maximum: 84.50p/kWh-9.014.337.761.184.500:0012:0000:0012:0000:0012:0000:0012:0000:0012:0000:0012:0023:30TimePrice (p/kWh)

1440 half-hourly periods

May 2026

Minimum

12.20p

Average

22.58p

Maximum

42.40p

Negative Periods

0

May 2026 PricesLine chart showing electricity prices over time. Minimum: 12.20p/kWh, Maximum: 42.40p/kWh12.219.827.334.842.401:0016:3008:0023:3015:0006:3022:0013:3005:0020:3012:0003:3019:0023:30TimePrice (p/kWh)

382 half-hourly periods