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Cost Verification Process
The Cost Verification Process for the Slice True-Up Adjustment Charge is a new annual public process developed under the Tiered Rates Methodology (TRM) that will permit Slice customers, other BPA customers, and other interested parties to review the Slice True-Up Adjustment Charge and to assess whether BPA has correctly calculated the amount of each expense or revenue credit subject to the Slice True-Up Adjustment, and whether the final Slice True-Up Adjustment contains only those expenses and revenue credits permitted to be included in, and does not contain any expenses or revenue credits excluded from, the Slice Rate pursuant to the TRM; see section 2.7.5.1 and Attachment A of the TRM.

See our Background page for more information.

Cost Verification Process for FY 2017
Dates (estimated) Agenda
​November 17, 2017 or earlier

​Notification to Slice Customers of the Slice True-Up Adjustment for the Composite Cost Pool True-Up Table. BPA to post Composite Cost Pool True-Up Table containing actual values and the Slice True-Up Adjustment

FY-17 Composite Cost Pool True-Up Table

Comment period closed​.

​December 11, 2017

Deadline for customers to submit questions about actual line items in the Composite Cost Pool True-Up Table with the Slice True-Up Adjustment for inclusion in the Agreed Upon Procedures (AUPs) Performed by BPA external CPA firm 

Customers have 15 business days following the posting of Composite Cost Pool Table containing actual values and the Slice True-Up Adjustment.

December 13, 2017
FY 2017 Slice True-Up Adjustment Agreed Upon Procedures (AUP) Draft list.
Per Attachment A, section 1.c of the Tiered Rate Methodology, BP-12-A-03, and as part of the Cost Verification Process, the Bonneville Power Administration is posting this announcement regarding the discussed draft AUP list.

During the comment period that closed on December 11, 2017 no questions were received.  There is no draft list of AUP’s.  As a result of this, the Cost Verification Process is completed and the Slice True-Up Adjustments announced on BPA’s website on November 17, 2017 are final.