2026
- Formula Transmission Rate TO2027 Draft Annual Update - June 12, 2026
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF / Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2027
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 12, 2026
- Attachment 4: Workpapers
- Post Retirement Benefits Other than Pensions (PBOPs) Filing - March 27, 2026 (Docket No. ER26-1945)
- General and Intangible Depreciation Formula Rate Revision Filing (Docket ER26-1526) – February 27, 2026
2025
- Formula Transmission Rate TO2026 Annual Update (Docket ER26-602) - November 21, 2025
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF / Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2026
- Attachment 3: Revisions to Formula Rate Inputs Compared to June 13, 2025
- Attachment 4: Workpapers
- Order 898 Formula Rate Revision Filing (Docket ER26-538) – November 18, 2025
- Formula Transmission Rate TO2026 Draft Annual Update - June 13, 2025
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF / Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2026
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 13, 2025
- Attachment 4: Workpapers
- Post Retirement Benefits Other than Pensions (PBOPs) Filing - March 26, 2025
2024
- Formula Transmission Rate TO2025 Annual Update - November 22, 2024
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF / Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2025
- Attachment 3: Revisions to Formula Rate Inputs Compared to June 14, 2024
- Attachment 4: Workpapers
- Formula Transmission Rate TO2025 Draft Annual Update - June 14, 2024
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF / Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2025
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 14, 2024
- Attachment 4: Workpapers
- South Georgia Formula Rate Revision Filing - April 12, 2024
- Post Retirement Benefits Other than Pensions (PBOPs) Filing - March 27, 2024
2023
- Formula Transmission Rate TO2024 Annual Update - November 17, 2023
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF / Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2024
- Attachment 3: Revisions to Formula Rate Inputs Compared to June 15, 2023
- Attachment 4: Workpapers
- Formula Transmission Rate TO2024 Draft Annual Update - June 15, 2023
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF / Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2024
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 15, 2023
- Attachment 4: Workpapers
- Post Retirement Benefits Other than Pensions (PBOPs) Filing - March 24, 2023
2022
- Formula Transmission Rate TO2023 Annual Update - November 18, 2022
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF / Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2023
- Attachment 3: Revisions to Formula Rate Inputs Compared to June 15, 2022
- Attachment 4: Workpapers
- Formula Transmission Rate TO2021 & TO2022 Amended Annual Updates - November 15, 2022
- Formula Transmission Rate TO2023 Draft Annual Update - June 15, 2022
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2023
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 15, 2022
- Attachment 4: Workpapers
- Post Retirement Benefits Other than Pensions (PBOPs) Filing - March 25, 2022
- Depreciation Update Filing – February 25, 2022
- Order 864 Compliance Filing – January 18, 2022
2021
- Formula Transmission Rate TO2022 Annual Update - November 19, 2021
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF / Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2022
- Attachment 3: Revisions to Formula Rate Inputs Compared to June 15, 2021
- Attachment 4: Workpapers
- Formula Transmission Rate TO2020 & TO2021 Amended Annual Updates - November 15, 2021
- Formula Transmission Rate TO2022 Draft Annual Update - June 15, 2021
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2022
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 15, 2021
- Attachment 4: Workpapers
- Post Retirement Benefits Other than Pensions (PBOPs) Filing-- March 26, 2021
2020
- Formula Transmission Rate TO2021 Annual Update - November 20, 2020
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2021
- Attachment 3: Revisions to Formula Rate Inputs Compared to July 8, 2020
- Attachment 4: Workpapers
- Attachment 5: TO2019 True Up TRR (PDF) / (Excel) and Incremental Workpapers
- Formula Transmission Rate TO2021 Draft Annual Update - July 8, 2020
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2020
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to July 8, 2020
- Attachment 4: Workpapers
- Attachment 5: TO2019 True Up TRR (PDF) / (Excel) and Incremental Workpapers
- Formula Transmission Rate TO2019A Settlement Filing – June 30, 2020
- Order 864 Filing – April 30, 2020
- Filing Letter
- Exhibit A
- Exhibit B (PDF/Excel)
- TO Tariff Revisions
- Post Retirement Benefits Other than Pensions (PBOPs) Filing-- March 25, 2020
- Depreciation Update Filing – February 21, 2020
2019
- Formula Transmission Rate TO2020 Annual Update - November 22, 2019
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2020
- Attachment 3: Revisions to Formula Rate Inputs Compared to June 14, 2019
- Attachment 4: Workpapers
- Attachment 5: TO2018 True Up TRR (PDF)/ (Excel) and Incremental Workpapers
- Formula Transmission Rate TO2019A Partial Settlement Filing – September 27, 2019
- Formula Transmission Rate TO2018 Settlement Filing – September 16, 2019
- Formula Transmission Rate TO2020 Draft Annual Update - June 14, 2019
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2020
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 14, 2019
- Attachment 4: Workpapers
- Attachment 5: TO2018 True Up TRR (PDF)/ (Excel)
- Formula Transmission Rate Filing TO2019A - April 11, 2019
- Volume 1: General Info
- Volume 2: Testimony
- Exhibit SCE-4: Formula Determination of Base TRR (PDF) / (Excel)
- Volume 3: Workpapers
- Post Retirement Benefits Other than Pensions (PBOPs) Filing-- March 8, 2019
- Phase 2 Retail Rate Change Filing – February 28, 2019
2018
- Formula Transmission Rate TO2019 Annual Update - November 29, 2018
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2019
- Attachment 3: Revision to Formula Rate Inputs Compared to June 15, 2018
- Attachment 4: Workpapers
- Attachment 5: TO13 True Up TRR (PDF)/ (Excel) and Incremental Workpapers
- EV Rate Revision Filing - November 20, 2018
- TCJA Revision Filing - September 17, 2018
- Formula Transmission Rate TO2019 Draft Annual Update - June 15, 2018
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2019
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 15, 2018
- Attachment 4: Workpapers (1 / 2)
- Attachment 5: TO13 True Up TRR (PDF)/ (Excel) and Incremental Workpapers
2017
- Successor Formula Transmission Rate TO2018 - October 27, 2017
- Volume 1: General Info
- Volume 2: Testimony
- Exhibit SCE-4: Formula Determination of Base TRR (PDF) / (Excel)
- Volume 3: Workpapers (1 / 2)
- Formula Transmission Rate TO12 Annual Update - October 27, 2017
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2018
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 15, 2017
- Attachment 4: Workpapers (1 / 2)
- Formula Transmission Rate TO12 Draft Annual Update - June 15, 2017
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2018
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 15, 2016
- Attachment 4: Workpapers (1 / 2)
- Accumulated Deferred Income Taxes (ADIT) Net Operating Loss (NOL) Revision Filing - February 1, 2017
2016
- Formula Transmission Rate TO11 Annual Update - November 30, 2016
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2017
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 15, 2016
- Attachment 4: Workpapers (1 / 2)
- Post Retirement Benefits Other than Pensions (PBOPs) Filing--August 16, 2016
- Filing Letter
- Attachment 1: Formula Spreadsheet Schedule 35
- Attachment 2: Actuarial Report for 2015
- TO Tariff Revisions
- Formula Transmission Rate TO11 Draft Annual Update - June 15, 2016
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2017
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 15, 2016
- Attachment 4: Workpapers (1 / 2)
- Retail Rate Revision Filing-Standby Rates - April 13, 2016
- Retail Rate Revision Filing-Net Energy Metering – March 30, 2016
- Depreciation Update Filing - January 6, 2016
2015
- Formula Transmission Rate TO10 Annual Update - December 1, 2015
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2016
- Attachment 3: Revisions to Formula Rate Inputs Compared to June 15, 2015
- Attachment 4: Workpapers (1 / 2)
- Formula Transmission Rate TO10 Draft Annual Update - June 15, 2015
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2016
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 15, 2015
- Attachment 4: Workpapers (1 / 2)
- Unfunded Reserves Filing - April 3, 2015
- Filing Letter
- Attachment 1: One Time True Up TRR Adjustment Workpaper (PDF) / (Excel)
- Attachment 2: Revised TO8 Formula Spreadsheet Workpaper (PDF) / (Excel)
- Attachment 3: Revised TO9 Formula Spreadsheet Workpaper (PDF) / (Excel)
- TO Tariff Revisions
2014
- Formula Transmission Rate TO9 Annual Update - November 25, 2014
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2015
- Attachment 3: Revisions to Formula Rate Inputs Compared to June 13, 2014
- Attachment 4: Workpapers (1 / 2)
- Formula Transmission Rate TO8 Amended Annual Update - September 17, 2014
- Filing Letter
- Attachment 1: Formula Determination of Revised 2012 True Up TRR (PDF) / (Excel)
- Attachment 2: Revised Workpapers
- Attachment 3: Revised 2012 True Up TRR Explanation
- Attachment 4:Monthly Comparison of TRR Change
- Post Retirement Benefits Other than Pensions (PBOPs) Filing--September 5, 2014
- Filing Letter
- Attachment 1: Formula Spreadsheet Schedule 35
- Attachment 2: Actuarial Report for 2013
- Attachment 3: Proposed Revised Formula Spreadsheet with TO9 Inputs
- Attachment 4: PBOPs Formula Rate Issue Description
- Attachment 5: Formula Spreadsheet
- TO Tariff Revisions
- Formula Transmission Rate TO9 Draft Annual Update Revised- July 16, 2014
- Draft Filing Letter
- Explanation of ER08-375 CWIP ROE Change
- Attachment 1: Draft Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2015
- Attachment 4: Revised Workpapers
- Formula Transmission Rate TO9 Draft Annual Update - June 13, 2014
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2015
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to June 13, 2014
- Attachment 4: Workpapers (1 / 2)
- Formula Transmission Rate TO8 Amended Annual Update (Draft) - June 13, 2014
- Notice of Revision to TO8 Annual Update
- Revised 2012 True Up TRR Explanation
- Attachment 1: Formula Determination of Revised 2012 True Up TRR (PDF) / (Excel)
- Attachment 4: Revised Workpapers
2013
- Formula Transmission Rate TO8 Annual Update - November 26, 2013
- Filing Letter
- Attachment 1: Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Retail and Wholesale Transmission Rates Effective January 1, 2014
- Attachment 3: Revisions to Formula Rate Inputs Compared to September 24, 2013
- Attachment 4: Workpapers
- Formula Transmission Rate TO8 Draft Annual Update Based on Aug 26, 2013 Offer of Settlement - September 24, 2013
- Draft Filing Letter
- Attachment 1: Draft Formula Determination of Base TRR (PDF) / (Excel)
- Attachment 2: Draft Retail and Wholesale Transmission Rates Effective January 1, 2014
- Attachment 3: Draft Revisions to Formula Rate Inputs Compared to September 24, 2013
- Attachment 4: Workpapers
- FERC Formula Rate Settlement - August 26, 2013
- 2nd Formula Transmission Rate Draft Informational Filing - June 14, 2013
- Draft Filing Letter
- Draft Formula Determination of Base TRR (PDF) / (ZIP)
- Workpapers
- Depreciation Update Filing - April 8, 2013
- Retail Rate Revision Filing – March 29, 2013
2012
- 1st Formula Transmission Rate Informational Filing - September 14, 2012
- Filing Letter & Attachments 2-3
- Formula Determination of Base TRR (PDF)/(ZIP)
- Workpapers
- 1st Formula Transmission Rate Draft Informational Filing - June 15, 2012
- Draft Filing Letter
- Draft Formula Determination of Base TRR (PDF) / (ZIP)
- Workpapers
FERC Open Access Information
Related Links
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