MDM Returns Doubled SQs When Using D2-Math Rule For Multiple Usage Groups Across Same Period (Doc ID 2364631.1)

Last updated on SEPTEMBER 23, 2022

Applies to:

Symptoms

Oracle Utilities Meter Data Management (MDM) - Returning Doubled Service Quantity (SQ)s when Using D2-Math Rule for Multiple Usage Groups across Same Period.

If you attempt to bill a rate that leverages the MDM rate code-device config mapping, and separate usage groups are found for a single period, if you use the D2-Math rule to calculate something like max KW, then scalar SQs are included in multiple usage periods leading to a bill for double the consumption.


To re-create:
1. Configure Usage Subscription Type to derive usage group based on Rate-Device Configuration Extendable Lookup.
2. Configure a Non-AMI usage group with D2-GetScalar usage rule (to pull KWH) and D2-Math usage rule (to calc. max KW from interval).
3. Configure an AMI usage group with Daily Scalar usage rule (to pull KWH) and D2-Math usage rule (to calc. max KW from interval).
4. Setup the Rate Extendable Lookup as follows:
Rate 1 + Non-AMI DC Type = Non-AMI Usage Group
Rate 1 + AMI DC Type = AMI Usage Group
5. Setup 2 Service Points (SP) with following meter installations.

SP1:
Non-AMI Device

SP2:
AMI Device

6. Create a Usage Subscription with "Rate 1" to include SP1 and SP2.
7. Ensure all reads are entered for Usage Transaction (UT) dates.
8. Create a UT.

Observed Behavior: 2 Usage Periods are generated but KWH from SP1 and SP2, and the calculated max KW are included in both Usage Periods

Changes

Cause

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