​​Rule 021: Settlement System Code Rules

Related information
Rule Rule 021:

Settlement System Code Rules

Effective date

December 17, 2020​


Rule 021 defines the business processes and mechanics of how electrical energy settlement is to be carried out at the retail electricity (site/meter)  level in Alberta. This rule sets out the requirements, responsibilities and standards to be followed for load settlement agents, distributors and meter data managers in order to facilitate the exchange of information amongst them.

The AUC is responsible for the development of rules regarding the role of market participants involved in electric load settlement and the development of comprehensive standards for electronic business transactions. Electric load settlement rules allow for the accurate, efficient and timely communication of load settlement information among market participants.

AUC Rule 021Settlement System Code Rules has been adopted by the AUC to set the comprehensive standards for the market participants.

Each year the AUC works closely with stakeholders in resolving outstanding settlement issues identified. The annual Rule 021 change cycle is as follows:

1. January 1 to June 30:
a. Form sub-working groups to deal with specific issues, if required.
b. Sub-working groups to provide recommendations and/or resolutions to those identified issues.
c. Settlement working group to review recommendations.

2. July 1 to September 30:
a. AUC to draft proposed changes based on recommendations.
b. Circulate among settlement working group members for review.

3. October 1 to 15:
a. Posting proposed rule changes on AUC’s website for stakeholder comment.

4. October 16 to 31:
a. AUC to respond stakeholders’ comments.
b. Posting AUC responses.

5. November 1 to 30: (AUC internal)
a. Present proposed changes to AUC Commission members.
b. Respond to Commission member’s questions.
c. Seeking final approval from Commission members.

6. By December 15:
a. Posting complete AUC Rule 021, with proposed changes.
b. Rule effective the following January.​

Transaction transport mechanism - VLTrader

VLTrader implementation plan

Installing and configuring VLTrader

Previous versions

​​​Previous versions of this rule and related bulletins can be found in the consultations library. Sort by topic (Rule 021) and by document type to find the information you are looking for.​