Changing a Meter

If the meter is faulty or there has been a routine change, you need to update Sigma.

You will need to:

De-energising the old Meter

  • Open Estate Management Activity


  • Search for, and highlight the SiteMeter or Supply Point using the Data Selector 
  • Click on the Meters & Channels tab
  • Highlight the Meter 


The Meter Editor popup appears:

  • Tick De-energised
  • Add the de-energised date (optional)


  • Click OK to confirm the changes

Note: the Meter will not show in the Meters & Channels tab as the default is only show active Meters.  I

To see the Meter:

  • Untick Active Only to see the Meter


Creating a New Meter

From the Meters & Channels tab of Estate Management:

  • Click New Meter 


  • Choose the Type of Meter (choose from Meter, Sub Meter or Virtual Meter)


  • Click OK
  • Complete the Meter Editor popup
    • Name – Add the Meter Serial Number
    • Number – Add the Meter Serial Number
    • Identifier - Add the Meter Serial Number
    • Location – Enter the location (if known)
    • Commodity – Choose Electricity, Gas, Water etc
    • Meter Type – Choose Code 5, Domestic etc
    • Asset Type - Choose from the dropdown list (not mandatory)
    • Parent Meter - Choose the Parent Meter from the dropdown list (if the Meter is on the same Site), or search using the Magnifying Glass)
    • Use installation date – Tick to add a date
    • Installation date – Add the date the meter was installed (not mandatory)


  • Click OK to create the Meter

The new Meter now shows in the Meters section:


Adding a Periodic (or Non Periodic) Channel

For you to be able to add meter readings or consumption values, you need to add a Periodic or Non Periodic Channel.

Adding the Channel

From the Meters & Channels tab of Estate Management:

  • Highlight the newly added Meter
  • Click New Periodic Channel or New Non Periodic Channel


Completing the Channel Editor

  • Name – Enter the name of the Channel (usually the supply number or the meter number)
  • Data Load ID 1 – If half hourly downloads, this will need to be the identifying number on the import (often the Supply number)
  • Data Load ID 2 – rarely used, but some imports may have 2 IDs
  • Channel Register – Choose from All Day, Day, Night etc (default is All Day)
  • Data type – Defaults to Energy Consumption for Gas and Electricity, change to Volumetric Consumption for Water
  • Time Zone – Defaults to Europe/London
  • Unit of Measurement – Defaults to kWh for Gas and Electricity, change to M3 for Water
  • Conversion Factor – Defaults to 1
  • Data Measurement – Defaults to Consumption
  • Channel Data Quality – Defaults to Primary
  • Closed – only used if closing the Channel
  • Meter Readings – tick to indicate that the consumption will be entered in meter readings (not as consumption values)


  • Click OK to create the Periodic or Non Periodic Channel

Refreshing the Channels Section

  • Click on the Refresh button in the Channels section


Adding the Meter Number to the Account

To ensure consistency,  update the Account Editor to show the new meter.

  • Click on the Accounts tab of Estate Management
  • Highlight the Account
  • Click Edit Account


The Account Editor popup appears

  • Enter the new Meter number (or replace if it has an existing Meter number)


  • Click OK to save

Adding the Meter to the Supply Point

To ensure consistency, you need to update the Supply Point to show the new meter.

  • Click on the Supply Point tab of Estate Management
  • Highlight the Supply Point
  • Click Manage Contract For Supply


The Manage Contract for Supply popup appears.

  • Drag and Drop the new meter from the Available Meters to the Selected Meters


  • Click OK to close the Supply Point Editor and update the Supply Point

Checking the Supply Point, Account and Meter are connected

  • From either Supply Point, Account or Meters & Channels tabs, highlight the relevant Supply Point, Account or Meter and view the Related Items section