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Changes to electricity prices

The State Government recently announced an increase to retail electricity tariffs, making the price of electricity more in line with the cost of supplying it.

The tariff increases came into effect on 1 July 2011. The percentage increase that will be applied to each tariff band is listed below.

                 Tariff                          1 July 2011 % increase
A2     Residential 5
C2   Community Service 5
D2   Charitable Accommodation 5
K2   Residential and Business 5
L2   Small Business 5
L4   Medium/Large Business 29.8
M2   General Supply (High Voltage) 19.6
N2   Government Regional Non Interconnected System

No increase to supply charge. Electricity charge continues to be adjusted quarterly

P2   Government North West Interconnected System 29.8
W2   Traffic Lights 9.3
Z   Street Lighting 29.8


The average weekly cost increase for residential consumers will be $2.37 from 1 July 2011, with small businesses experiencing an average weekly increase of $3.83 from 1 July 2011.

The State Government also announced assistance for concession customers and hardship assistance measures will increase in line with the residential tariff increase to help minimise its impact.

Horizon Power remains committed to working with customers to promote energy efficiency. Visit the Betterways section of our website for tips on using energy efficiently.

For more information, download the Tariff Changes Frequently Asked Questions.