Glossary

Actual Volume (kWh)
Actual Volume is the amount of electricity, in kilowatt-hours (kWh), measured by your 'time-of-use' (TOU) meter.

Actual Volume = Contract Volume + Spot Volume.

Nominated Volume (kWh)
If you have a nominated-volume contract, Nominated Volume is the maximum amount of electricity in kilowatt-hours (kWh) you can use at the nominated price. Electricity you use above this value will be charged Spot Prices.

Contract Volume (kWh)
The Contract Volume is the amount of your Actual Volume, in kilowatt-hours (kWh), which we have billed at the Contract Price.

Contract Price (cents per kWh)
The Contract Price is the price, in cents per kilowatt-hour (cents/kWh), which you have contracted to purchase electricity at.

Contract Cost ($)
The Contract Cost is the contracted amount of your bill, in dollars ($).
Contract Cost = Contract Price x Contract Volume

Spot Volume (kWh)
The Spot Volume is the amount of your Actual Volume in kilowatt-hours (kWh), which we have billed at the Spot Price.

Spot Price (cents per kWh)
Spot Price is the average price of the electricity, in cents per kilowatt-hour (cents/kWh) which we have purchased from the electricity market for you. Electricity is purchased at the point it leaves the transmission grid, and does not include local network losses.

Spot Cost ($)
The Spot Cost is the amount of your bill in dollars ($), calculated from the Spot Price.

Spot Cost = Spot Price x Spot Volume
kVAh (kilovolt ampere hours)

kVAh indicates 'apparent power'. This measure is used because equipment and electricity networks are designed according to maximum voltage and current criteria, not to 'usable (kWh) power'.

kWh (kilowatt hours)
kWh is the actual or usable power.

PF (Power Factor) Power Factor is a measure of the proportion of the apparent power that is usable. Therefore it is an efficiency ratio.

Ideally, the Power Factor should be close to 1.00 (unity) typically 0.95. A power factor of less than 1 indicates that you have a reactive load – for instance, equipment such as electric motors or fluorescent lighting.

Networks often charge for this reactive load and it can also affect your Load Factor. You could make savings to network charges by installing power-factor correction equipment.

PF = kW ÷ kVA or alternately kWh ÷ kVAh.

Load Factor
Load Factor is a measure of the variability or unevenness of your load during a month.

It ranges from 0.00 to 1.00, represented as a percentage.

Networks often levy maximum demand charges on your highest kVAh during the month and you may be able to reduce these charges by changing power usage to reduce the highest peaks.

Load Factor = Average kVAh in the month ÷ Highest half hour kVAh during the month.

Load Duration
Load Duration is a graph that indicates how variable your power usage is for the month, and how much opportunity there is to increase Load Factor and reduce maximum demand charges.

We display load duration by ranking each half-hour's load (in kVAh) and sorting the half-hours in sequence – highest to lowest.

Sites
Property description or name for the ICP

ICP
The Installation Control Point is a unique alphanumeric identifier for the specific point of supply.

It is the number allocated by network companies to identify installation. This key identifier is used by retailers, network companies and the electricity industry in general, and the ICP is displayed on each customer invoice issued by the retailer.

It is possible for one property to have more than one ICP.

Loggers
A logger is a measuring device that stores load data by half hour from the revenue metering system.