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2025 Impact Studies
The following Planning or System Impact Studies have been completed and are available. Studies listed on this page were initiated in 2025 but may not have been completed during the year.

Interface Study Period Impact Study Number Request Number Performed Date Posted Report
ERCOTN-OKGE January 06, 2025 to January 08, 2025 SPP-2025-001 104863675 1/3/2025 1/8/2025 Download
WAUW.NWMT-WAUE January 05, 2025 to January 12, 2025 SPP-2025-002 104881112 1/3/2025 1/8/2025 Download
WAUW.NWMT-WAUE January 19, 2025 to January 26, 2025 SPP-2025-005 105012829 1/14/2025 1/14/2025 Download
CSWS.EASTMAN-ERCOTE May 01, 2025 to October 01, 2025 SPP-2025-006 105032156 2/24/2025 2/25/2025 Download
OPPD-NPPD.OPPD.LDX June 01, 2025 to October 01, 2025 SPP-2025-007 105223675 2/25/2025 2/25/2025 Download
CSWS.EASTMAN-ERCOTE May 01, 2025 to October 01, 2025 SPP-2025-008 105032391 2/25/2025 2/25/2025 Download
CSWS.EASTMAN-ERCOTE May 01, 2025 to October 01, 2025 SPP-2025-009 105033451 2/27/2025 2/27/2025 Download
CSWS.EASTMAN-ERCOTE June 01, 2025 to November 01, 2025 SPP-2025-012 105516628 3/11/2025 3/14/2025 Download
CSWS.EASTMAN-ERCOTE July 01, 2025 to October 01, 2025 SPP-2025-013 105523653 3/14/2025 3/14/2025 Download
SPRM_SPRM-SPA June 01, 2025 to January 01, 2026 SPP-2025-014 105808487 4/15/2025 4/15/2025 Download
CSWS.RSHSPRNGA-ERCOTN July 01, 2025 to June 01, 2026 SPP-2025-015 105501604 5/9/2025 5/9/2025 Download
SPA-SWPA_SIKE_LOAD June 17, 2025 to June 24, 2025 SPP-2025-016 106373853 6/16/2025 6/16/2025 Download
SPA-WR_SEG June 17, 2025 to June 24, 2025 SPP-2025-017 106373884 6/16/2025 6/16/2025 Download
SPA-SWPA_SIKE_LOAD June 24, 2025 to July 01, 2025 SPP-2025-018 106373858 6/18/2025 6/18/2025 Download
SPA-WR_SEG June 24, 2025 to July 01, 2025 SPP-2025-019 106373888 6/18/2025 6/18/2025 Download
OPPD-MEC June 23, 2025 to June 25, 2025 SPP-2025-022 106433525 6/20/2025 6/20/2025 Download
SPA-WR_SEG August 01, 2025 to December 01, 2025 SPP-2025-025 106373894 7/9/2025 7/10/2025 Download
SPA-SWPA_SIKE_LOAD July 10, 2025 to July 16, 2025 SPP-2025-026 106575931 7/7/2025 7/7/2025 Download
SPA-WR_SEG July 10, 2025 to July 16, 2025 SPP-2025-027 106575939 7/8/2025 7/9/2025 Download
SPA-SWPA_SIKE_LOAD July 16, 2025 to August 01, 2025 SPP-2025-028 106575934 7/9/2025 7/9/2025 Download
SPA-SWPA_SIKE_LOAD August 01, 2025 to June 01, 2026 SPP-2025-029 106373864 7/10/2025 7/10/2025 Download
SPA-WR_SEG July 17, 2025 to July 23, 2025 SPP-2025-030 106644950 7/16/2025 7/18/2025 Download
OPPD-MEC July 23, 2025 to July 26, 2025 SPP-2025-031 106690142 7/21/2025 7/21/2025 Download
OPPD-MEC July 23, 2025 to July 26, 2025 SPP-2025-033 106691491 7/22/2025 7/23/2025 Download
OPPD-MEC July 24, 2025 to July 25, 2025 SPP-2025-034 106720676 7/22/2025 7/23/2025 Download
SPA-WR_SEG July 25, 2025 to July 26, 2025 SPP-2025-036 106721452 7/23/2025 7/24/2025 Download
OPPD.COAL-MEC July 28, 2025 to July 30, 2025 SPP-2025-037 106745739 7/25/2025 7/25/2025 Download
OPPD-MEC July 28, 2025 to July 30, 2025 SPP-2025-038 106745876 7/25/2025 7/25/2025 Download

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