Once the Cost Definition is set up, you can attach link it to a Meter, especially if you want to use the costs in Budgeting. or  Browsing Data.

A Cost Definition can be used for the Unit rate within the Budgeting. Activity.  This will enable you to use your metering data for the usage, and a Cost Definition for the cost.

It can also be used in Browsing Data to see your metering data as costs.  If using the Cost Definition for Browsing Data, it must only have one rate in it.

Note: In both of the above, it is important to create the Cost Definition at Site Level.

Linking a Cost Definition to a Meter

• Right click on the Meter
• Click Edit to open the Meter Editor 
• Expand the Cost Definitions section 
• Click Manage

• Click on the Cost Definition you want to associate with the Meter  Meter  (so that you see a green tick next to it)

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The Cost Definition now shows in the Cost Definition section and will be used to define the cost per unit in the Budget.