Colorado Electric Transmission
Transmission rates cover the cost of moving energy from generating facilities to our customers.
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Sign up for notices related to the annual transmission revenue requirement or annual true-up. You can unsubscribe at any time.
Annual transmission revenue requirement
The annual transmission revenue requirement, or ATRR, is the estimated amount of revenue Black Hills Colorado Electric must recover annually to cover costs associated with our transmission system. Below is a summary of protocols and schedules associated with the ATRR.
Filings
2025 projected net revenue requirement:
- 2024 Monthly System Peak Workpaper (XLSX)
- Actual Attachment H - Excluded Plant - OATT ancillary services or GSUs (XLSX)
- 2025 BHCOE Attach H Trans Formula Projection (XLSX)
- 2023 Monthly System Peak Workpaper (XLSX)
- A2 - A&G (PBOP) (XLSX)
- Actual Attachment H - Cost of Debt (XLSX)
- Actual Attachment H - Excluded Plant (XLSX)
- Actual Attachment H - Income Tax (XLSX)
- 2025 BHCT ATRR Projection Meeting Notice (PDF)
- 2025 BHCE Projected Net Revenue Requirement Presentation (PDF)
2024 projected net revenue requirement:
- 2024 BHCT Projected Net Revenue Requirement Presentation (PDF)
- 2024 BHCT ATRR Meeting notice 10-24-23 (PDF)
- 2024 BHCT ATRR Projection (XLSX)
- 2024 BHCT ATRR Projection Revised Final 12.29.23 (XLSX)
- 2024 Worksheet A6-Divisor - Transmission Load Calculations (XLSX)
- 2024 Actual Attach H - Income Tax (XLSX)
- 2024 Actual Attach H - Excluded Plant (XLSX)
- 2024 Actual Attach H - Excluded Plant - OATT ancillary services or GSUs (XLSX)
- 2024 Actual Attach H - Cost of Debt (XLSX)
- 2024 A2 - A & G (PBOP) (XLSX)
- 2024 Monthly System Peak Workpaper (XLSX)
- BHCE Workpaper Source Index (XLSX)
2024 projected net revenue requirement information exchange:
2023 projected net revenue requirement:
- 2023 BHCE Projected Net Revenue Requirement Presentation
- 2023 BHCT ATRR meeting Notice 10-24-22
- 2023 BHCOE Attach H Trans Formula Projection - REVISED FINAL
- 2023 Attach H Trans Formula Projection
- Supporting Workpaper Capital Structure
- Supporting Workpaper Plant Excluded
Informational filing
The informational filing is a summary of the previous year’s ATRR requirement and annual true-up. Colorado Electric will submit the filing by March 1.
Filings
2025 informational filing docket no. ER25-1481-000
- 2023 True-Up - 2023_BHCE_A3.1_EDIT-DDIT_&_A3.2_EDIT-DDIT.dtl
- 2023 True-Up - 2023_COE_Trans_Formula_Schedule_1_True-Up
- 2023 True-Up - BHCE_2023_Workpaper_Source_Index
- 2023 True-Up - BHCE_A3-ADIT
- 2023 True-Up - BHCE_Attach_Supplemental_Workpapers
- 2023 True-Up - BHCOE_Attach_H_Trans_Formula_True-Up
- 2023 True-Up - Revised V1_2023_A1-RevCred (as posted 10.11.2024)
- 2023 True-Up - Revised V1_2023_A4-Rate_Base (as posted 10.11.2024)
- 2023 True-Up - Revised V1_2023_COE_Load_Workpaper (as posted 10.11.2024)
- 2023 True-Up - Revised V1_2023_COE_Trans_Formula_Schedule_1_True-Up (as posted 10.11.2024)
- 2023 True-Up - Revised V1_2023_Schedule_1 (as posted 10.11.2024)
- 2023 True-Up - Revised V2-A3.1_EDIT-DDIT_&_A3.2_EDIT-DDIT
- 2023 True-Up - Revised V2-A6-Divisor
- 2023 True-Up - Revised V2-BHCOE_Attach_H_Trans_Formula_True-Up
- 2023 True-Up - Revised V2-Schedule 1
- 2025 Projection - 2023_Monthly_System_Peak_Workpaper
- 2025 Projection - 2024_Monthly_System_Peak_Workpaper
- 2025 Projection - A2_A_&_G_(PBOP)
- 2025 Projection - Actual_Attachment_H_–_Cost_of_Debt
- 2025 Projection - Actual_Attachment_H_-_Excluded_Plant
- 2025 Projection - Actual_Attachment_H_-_Excluded_Plant_-_OATT_ancillary_services_or_GSUs
- 2025 Projection - Actual_Attachment_H_–_Income_Tax
- 2025 Transmittal COE Informational Filing
- 2025_BHCOE_Attach_H_Trans_Formula_Projection
- As Filed 2023 COE FF1 Page 400
- COE_2023_FERC_Form1__Page_429_Affiliate_Cost_Allocation
- Revised 2023 COE FF1 Page 400
- Revised V1_2023_BHCOE_Attach_H_Trans_Formula_True-Up (as posted 10.11.2024)
2024 information filing docket no.ER24-1364-000
- 2022 BHCE ATRR True Up
- 2024 A2-A&G (PBOP)
- 2024 Actual Attach H–Cost of Debt
- 2024 Actual Attach H-Excluded Plant GSUs
- 2024 Actual Attach H-Excluded Plant
- 2024 Actual Attach H–Income Tax
- 2024 BHCE ATRR Projection
- 2024 BHCT ATRR Projection Revised Final 12.29.23
- 2024 Monthly System Peak Workpaper
- 2024 Worksheet A6-Divisor-Transmission Load Calc
- BHCE Workpaper Source Index
2023 information filing docket no.ER23-1188-000:
- 2023 BHCOE Attach H Trans Formula Projection - FINAL
- 2023 BHCOE Attach H Trans Formula Projection - REVISED FINAL
- Supporting Workpapers - Prepaids A8
- Supporting Workpaper Capital Structure
- Supporting Workpaper Plant Excluded
- 2021 BHCOE Informational Cost Allocation
Annual True-Up
Filings
2023 formula rate true-up:
- COE_2023_FERC_Form1_Page_429_Affiliate_Cost_Allocation (PDF)
- 2023_BHCE_A3.1_EDIT-DDIT_&_A3.2_EDIT-DDIT.dtl (XLSX)
- BHCE_A3-ADIT (XLSX)
- 2023_COE_Trans_Formula_Schedule_1_True-Up (XLSX)
- 2023_BHCOE_Attach_H_Trans_Formula_True-Up (XLSX)
- 2023_Att-H_Comparison (XLSX)
- BHCE_2023_Workpaper_Source_Index (XLSX)
- 2023 COE FERC Form 1 (PDF)
- BHCE_Attach_Supplemental_Workpapers (XLSX)
- 2023 BHCT True Up Meeting Notice (PDF)
- Black Hills Colorado Electric Rule 3206 Report and Appendices (PDF)
- 2023 BHCE True Up Presentation (PDF)
- Revised 2023 Schedule 1 (as posted 10.11.2024) (XLSX)
- Revised 2023 A4-Rate Base (as posted 10.11.2024) (XLSX)
- Revised 2023 BHCOE Attach H Trans Formula True-Up (as posted 10.11.2024) (XLSX)
- Revised 2023 A1-RevCred (as posted 10.11.2024) (XLSX)
- Revised 2023 COE Load Workpaper (as posted 10.11.2024) (XLSX)
- Revised 2023 COE Trans Formula Schedule 1 True-Up (as posted 10.11.2024) (XLSX)
2022 formula rate true-up:
- 2022 BHCE ATRR True Up (XLSX)
- 2022 BHCT True Up Meeting Notice (PDF)
- Divisor Load Workpaper (XLSX)
- COE 2022 FERC Form1 - Page 429 Affiliate Cost Allocation (PDF)
- A9-Perm Differences (XLSX)
- A8-Prepmts (XLSX)
- 2022 BHCE Attach H Supplemental Workpapers (XLSX)
- 2022 BHCE True Up Presentation (PDF)
2022 formula rate true-up information exchange:
- ARPA 5-8 Attach A (XLSX)
- ARPA 5-6 Attach A (XLSX)
- ARPA 5-4 Attach A (XLSX)
- ARPA 5-2 Attach A (XLSX)
- BHCOE DR Responses to ARPAs 1st Set 2022 True Up (PDF)
More information
Find information regarding our transmission formula on OASIS.
Information on our transmission formula rate calculation and proposed protocols can be found under Attachment H of the Joint Open Access Transmission Tariff on FERC’s website.
Sign up for notices related to the annual transmission revenue requirement or annual true-up. You can unsubscribe at any time.