Federal Energy Regulatory Commission Issues Errata to Delegated Order on Simultaneous Transmission Import Limits

Strategic Insights -

The Federal Energy Regulatory Commission (FERC) has issued an errata to a delegated order dated May 26, 2021, which accepted Simultaneous Transmission Import Limit (SIL) values submitted by various energy companies in the Southeast Region. The correction is made to the second sentence of the original order, which inadvertently referenced certain balancing authority areas by incorrect names. This action corrects the names and abbreviations for each balancing authority area in Table 1. The correction is issued pursuant to the authority delegated to the Director, Division of Electric Power Regulation - West, under 18 C.F.R. § 375.307.

Key Takeaways:

  • The FERC issued an errata to a delegated order dated May 26, 2021, which accepted SIL values submitted by various energy companies in the Southeast Region.
  • The correction is made to the second sentence of the original order, which inadvertently referenced certain balancing authority areas by incorrect names.
  • Table 1 has been updated to reflect the correct names and abbreviations for each balancing authority area.
  • The correction affects the SIL values for 17 balancing authority areas in the Southeast Region.
  • The correction is issued in accordance with the authority delegated to the Director, Division of Electric Power Regulation - West, under 18 C.F.R. § 375.307.
  • The affected companies include Alabama Power Company, Duke Energy Progress, Duke Energy Carolinas, and several others.
  • The correction aims to ensure the accuracy and reliability of the SIL values in the Southeast Region.

Statistics:

  • 17 balancing authority areas in the Southeast Region are affected by the correction.
  • 1,655 MW is the highest SIL value accepted for Florida Power & Light Co.
  • 5,173 MW is the highest SIL value accepted for Southern Company Services, Inc.
  • 131 balancing authority areas were affected by the original delegated order on May 26, 2021.
  • The correction is issued in accordance with the authority delegated to the Director, Division of Electric Power Regulation - West under 18 C.F.R. § 375.307.
  • The corrected Table 1 reflects the correct SIL values for the Southeast Region study period from December 2017 to November 2018.

Sources:

  • Federal Energy Regulatory Commission. (August 10, 2021). Docket No. ER10-2881-035, et al. - 2 -
  • Alabama Power Company. (May 26, 2021). Docket No. ER10-2881-035.
  • Duke Energy Progress. (May 26, 2021). Docket No. ER10-2566-011.
  • Duke Energy Carolinas. (May 26, 2021). Docket No. ER10-1437-011.