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| 2021 Impact Studies | |
| The following Planning or System Impact Studies have been completed and are available. Studies listed on this page were initiated in 2021 but may not have been completed during the year. | |
| Interface | Study Period | Impact Study Number | Request Number | Performed | Date Posted | Report |
|---|---|---|---|---|---|---|
| OPPD.NC2-EWA | May 01, 2021 to November 01, 2021 | SPP-2021-002 | 93132782 | 2/12/2021 | 2/25/2021 | Download |
| CSWS.EASTMAN-ERCOTE | February 10, 2021 to February 15, 2021 | SPP-2021-003 | 93133774 | 2/8/2021 | 2/8/2021 | Download |
| CSWS.HCPP-ERCOTE | February 12, 2021 to February 14, 2021 | SPP-2021-005 | 93134314 | 2/11/2021 | 2/25/2021 | Download |
| CSWS.EASTMAN-ERCOTE | February 14, 2021 to February 16, 2021 | SPP-2021-006 | 93138886 | 2/11/2021 | 2/25/2021 | Download |
| CSWS.EASTMAN-ERCOTE | February 14, 2021 to February 16, 2021 | SPP-2021-007 | 93138887 | 2/12/2021 | 2/25/2021 | Download |
| CSWS.EASTMAN-ERCOTE | February 15, 2021 to February 18, 2021 | SPP-2021-008 | 93170325 | 2/12/2021 | 2/25/2021 | Download |
| CSWS.EASTMAN-ERCOTE | February 15, 2021 to February 18, 2021 | SPP-2021-009 | 93170371 | 2/12/2021 | 2/25/2021 | Download |
| CSWS-ERCOTE | February 15, 2021 to February 18, 2021 | SPP-2021-010 | 93171634 | 2/12/2021 | 2/25/2021 | Download |
| CSWS.HCPP-ERCOTE | February 18, 2021 to February 20, 2021 | SPP-2021-011 | 93196815 | 2/16/2021 | 2/26/2021 | Download |
| WFEC-ERCOTE | February 19, 2021 to February 20, 2021 | SPP-2021-012 | 93231858 | 2/16/2021 | 2/26/2021 | Download |
| CSWS.HCPP-ERCOTE | February 19, 2021 to February 20, 2021 | SPP-2021-013 | 93233560 | 2/19/2021 | 2/20/2021 | Download |
| CSWS.HCPP-ERCOTE | February 19, 2021 to February 20, 2021 | SPP-2021-014 | 93233561 | 2/17/2021 | 2/26/2021 | Download |
| CSWS.HCPP-ERCOTE | February 20, 2021 to February 22, 2021 | SPP-2021-015 | 93234121 | 2/17/2021 | 2/26/2021 | Download |
| CSWS.HCPP-ERCOTE | February 20, 2021 to February 22, 2021 | SPP-2021-016 | 93234122 | 2/17/2021 | 2/26/2021 | Download |
| CSWS.EASTMAN-ERCOTE | July 19, 2021 to September 04, 2021 | SPP-2021-019 | 93553119 | 4/8/2021 | 5/6/2021 | Download |
| WFEC-ERCOTN | April 14, 2021 to April 15, 2021 | SPP-2021-020 | 93599519 | 4/13/2021 | 5/6/2021 | Download |
| WFEC-ERCOTN | April 26, 2021 to May 03, 2021 | SPP-2021-023 | 93600447 | 4/16/2021 | 5/6/2021 | Download |
| WFEC-ERCOTN | April 22, 2021 to May 02, 2021 | SPP-2021-024 | 93600508 | 4/19/2021 | 5/6/2021 | Download |
| CSWS.GATEWAY-ERCOTE | April 24, 2021 to May 25, 2021 | SPP-2021-025 | 93655745 | 4/23/2021 | 5/6/2021 | Download |
| CSWS.EASTMAN-ERCOTE | May 03, 2021 to May 10, 2021 | SPP-2021-026 | 93838488 | 4/28/2021 | 5/6/2021 | Download |
| CSWS.EASTMAN-ERCOTE | May 03, 2021 to May 10, 2021 | SPP-2021-027 | 93838520 | 4/29/2021 | 5/6/2021 | Download |
| CSWS.EASTMAN-ERCOTE | May 03, 2021 to May 10, 2021 | SPP-2021-028 | 93838543 | 4/29/2021 | 5/6/2021 | Download |
| CSWS.EASTMAN-ERCOTE | May 10, 2021 to May 17, 2021 | SPP-2021-029 | 93843370 | 5/4/2021 | 5/6/2021 | Download |
| CSWS.EASTMAN-ERCOTE | May 17, 2021 to May 24, 2021 | SPP-2021-032 | 93843460 | 5/5/2021 | 5/6/2021 | Download |
| NPPD.AINSWIND-SCSE | May 30, 2021 to June 06, 2021 | SPP-2021-037 | 94102275 | 5/27/2021 | 5/28/2021 | Download |
| BRPS.CTNWD-SCSE | June 01, 2021 to June 06, 2021 | SPP-2021-038 | 94130966 | 5/28/2021 | 5/28/2021 | Download |
| OPPD.COAL-MEC | June 05, 2021 to June 12, 2021 | SPP-2021-040 | 94157159 | 6/2/2021 | 6/3/2021 | Download |
| CSWS.EASTMAN-ERCOTE | June 12, 2021 to June 14, 2021 | SPP-2021-043 | 94200250 | 6/8/2021 | 6/8/2021 | Download |
| CSWS.EASTMAN-ERCOTE | June 12, 2021 to June 14, 2021 | SPP-2021-044 | 94200260 | 6/9/2021 | 6/9/2021 | Download |
| CSWS.EASTMAN-ERCOTE | June 12, 2021 to June 14, 2021 | SPP-2021-045 | 94200453 | 6/9/2021 | 6/9/2021 | Download |
| CSWS.EASTMAN-ERCOTE | June 12, 2021 to June 14, 2021 | SPP-2021-046 | 94200577 | 6/10/2021 | 6/10/2021 | Download |
| CSWS-EASTMAN-ERCOTE | June 14, 2021 to June 19, 2021 | SPP-2021-047 | 94202886 | 6/11/2021 | 6/11/2021 | Download |
| SPS-EDDY | June 14, 2021 to June 21, 2021 | SPP-2021-048 | 94236096 | 6/11/2021 | 6/11/2021 | Download |
| CSWS.EASTMAN-ERCOTE | June 16, 2021 to June 21, 2021 | SPP-2021-049 | 94207057 | 6/14/2021 | 6/14/2021 | Download |
| CSWS.EASTMAN-ERCOTE | June 16, 2021 to June 21, 2021 | SPP-2021-050 | 94207080 | 6/15/2021 | 6/15/2021 | Download |
| CSWS.EASTMAN-ERCOTE | July 01, 2021 to July 19, 2021 | SPP-2021-051 | 94203073 | 6/15/2021 | 6/15/2021 | Download |
| CSWS.EASTMAN-ERCOTE | June 21, 2021 to June 28, 2021 | SPP-2021-052 | 94207291 | 6/15/2021 | 6/17/2021 | Download |
| CSWS.EASTMAN-ERCOTE | June 21, 2021 to July 01, 2021 | SPP-2021-053 | 94207666 | 6/16/2021 | 6/17/2021 | Download |
| CSWS.EASTMAN-ERCOTE | June 19, 2021 to June 21, 2021 | SPP-2021-055 | 94262811 | 6/17/2021 | 6/17/2021 | Download |
| NPPD.AINSWIND-SCSE | September 01, 2021 to October 01, 2021 | SPP-2021-058 | 94207810 | 6/22/2021 | 6/23/2021 | Download |
| CSWS.EASTMAN-ERCOTE | June 24, 2021 to July 01, 2021 | SPP-2021-059 | 94290954 | 6/21/2021 | 6/21/2021 | Download |
| WAUE.NWPS.AUR-RCEAST | June 25, 2021 to July 01, 2021 | SPP-2021-061 | 94315192 | 6/23/2021 | 6/24/2021 | Download |
| CSWS.EASTMAN-ERCOTE | June 28, 2021 to July 01, 2021 | SPP-2021-062 | 94325810 | 6/24/2021 | 6/24/2021 | Download |
| CSWS.EASTMAN-ERCOTE | June 28, 2021 to June 30, 2021 | SPP-2021-064 | 94326164 | 6/25/2021 | 6/28/2021 | Download |
| CSWS.EASTMAN-ERCOTE | September 01, 2021 to October 01, 2021 | SPP-2021-067 | 94254178 | 6/29/2021 | 6/29/2021 | Download |
| CSWS.EASTMAN-ERCOTE | September 01, 2021 to October 01, 2021 | SPP-2021-068 | 94254179 | 6/30/2021 | 6/30/2021 | Download |
| NPPD.AINSWIND-SCSE | September 01, 2021 to October 01, 2021 | SPP-2021-070 | 94324823 | 7/13/2021 | 7/13/2021 | Download |
| CSWS.EASTMAN-ERCOTE | September 01, 2021 to September 11, 2021 | SPP-2021-071 | 94398002 | 7/21/2021 | 7/21/2021 | Download |
| CSWS.EASTMAN-ERCOTE | September 01, 2021 to September 11, 2021 | SPP-2021-072 | 94398003 | 7/26/2021 | 7/26/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 01, 2021 to November 01, 2021 | SPP-2021-074 | 94522198 | 7/30/2021 | 7/30/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 01, 2021 to November 01, 2021 | SPP-2021-075 | 94522206 | 8/3/2021 | 8/3/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 01, 2021 to November 01, 2021 | SPP-2021-076 | 94522208 | 8/6/2021 | 8/6/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 01, 2021 to November 01, 2021 | SPP-2021-077 | 94522212 | 8/13/2021 | 8/13/2021 | Download |
| CSWS.EASTMAN-ERCOTE | September 11, 2021 to October 01, 2021 | SPP-2021-079 | 94594373 | 8/17/2021 | 8/18/2021 | Download |
| CSWS.EASTMAN-ERCOTE | September 11, 2021 to October 01, 2021 | SPP-2021-081 | 94761588 | 8/20/2021 | 8/23/2021 | Download |
| CSWS.EASTMAN-ERCOTE | September 01, 2021 to September 11, 2021 | SPP-2021-082 | 94761793 | 8/24/2021 | 8/24/2021 | Download |
| CSWS.EASTMAN-ERCOTE | September 07, 2021 to September 11, 2021 | SPP-2021-083 | 94878155 | 9/3/2021 | 9/7/2021 | Download |
| CSWS.EASTMAN-ERCOTE | January 01, 2022 to March 01, 2022 | SPP-2021-084 | 94893761 | 9/7/2021 | 9/7/2021 | Download |
| CSWS.HCPP-ERCOTE | January 01, 2022 to March 01, 2022 | SPP-2021-085 | 94893762 | 9/9/2021 | 9/9/2021 | Download |
| CSWS.EASTMAN-ERCOTE | January 01, 2022 to March 01, 2022 | SPP-2021-086 | 94893763 | 9/10/2021 | 9/10/2021 | Download |
| CSWS.EASTMAN-ERCOTE | January 01, 2022 to March 01, 2022 | SPP-2021-087 | 94893764 | 9/13/2021 | 9/13/2021 | Download |
| CSWS.EASTMAN-ERCOTE | January 01, 2022 to March 01, 2022 | SPP-2021-088 | 94893765 | 9/14/2021 | 9/14/2021 | Download |
| CSWS.EASTMAN-ERCOTE | January 01, 2022 to March 01, 2022 | SPP-2021-089 | 94893766 | 9/15/2021 | 9/15/2021 | Download |
| CSWS.EASTMAN-ERCOTE | January 01, 2022 to March 01, 2022 | SPP-2021-090 | 94893767 | 9/16/2021 | 9/16/2021 | Download |
| CSWS.EASTMAN-ERCOTE | January 01, 2022 to March 01, 2022 | SPP-2021-091 | 94893768 | 9/17/2021 | 9/17/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 01, 2021 to October 09, 2021 | SPP-2021-095 | 95032188 | 9/23/2021 | 9/23/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 16, 2021 to October 29, 2021 | SPP-2021-099 | 95056201 | 9/29/2021 | 9/29/2021 | Download |
| CSWS.HCPP-ERCOTE | October 16, 2021 to October 29, 2021 | SPP-2021-103 | 95056222 | 10/4/2021 | 10/4/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 11, 2021 to October 12, 2021 | SPP-2021-110 | 95145481 | 10/8/2021 | 10/8/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 11, 2021 to October 12, 2021 | SPP-2021-111 | 95145482 | 10/8/2021 | 10/8/2021 | Download |
| CSWS.EASTMAN-ERCOTE | January 01, 2022 to March 01, 2022 | SPP-2021-113 | 94992795 | 10/13/2021 | 10/14/2021 | Download |
| CSWS.EASTMAN-ERCOTE | January 01, 2022 to March 01, 2022 | SPP-2021-114 | 94992821 | 10/14/2021 | 10/14/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 21, 2021 to October 23, 2021 | SPP-2021-115 | 95225749 | 10/18/2021 | 10/25/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 20, 2021 to October 21, 2021 | SPP-2021-116 | 95225750 | 10/18/2021 | 10/25/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 20, 2021 to October 21, 2021 | SPP-2021-117 | 95225752 | 10/18/2021 | 10/26/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 20, 2021 to October 21, 2021 | SPP-2021-118 | 95225756 | 10/18/2021 | 10/26/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 21, 2021 to October 23, 2021 | SPP-2021-119 | 95225757 | 10/19/2021 | 10/26/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 21, 2021 to October 23, 2021 | SPP-2021-120 | 95225759 | 10/19/2021 | 10/26/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 23, 2021 to October 30, 2021 | SPP-2021-121 | 95226105 | 10/19/2021 | 10/28/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 23, 2021 to October 30, 2021 | SPP-2021-122 | 95226107 | 10/19/2021 | 10/28/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 23, 2021 to October 30, 2021 | SPP-2021-123 | 95226109 | 10/19/2021 | 10/29/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 25, 2021 to November 01, 2021 | SPP-2021-124 | 95226111 | 10/20/2021 | 10/29/2021 | Download |
| CSWS.HCPP-ERCOTE | October 23, 2021 to October 28, 2021 | SPP-2021-125 | 95235606 | 10/21/2021 | 10/29/2021 | Download |
| CSWS.EASTMAN-ERCOTE | January 01, 2022 to March 01, 2022 | SPP-2021-126 | 94992824 | 10/21/2021 | 10/29/2021 | Download |
| CSWS.EASTMAN-ERCOTE | October 24, 2021 to October 26, 2021 | SPP-2021-128 | 95238213 | 10/21/2021 | 10/29/2021 | Download |
| CSWS.HCPP-ERCOTE | October 25, 2021 to October 27, 2021 | SPP-2021-129 | 95238214 | 10/21/2021 | 10/22/2021 | Download |
| CSWS.EASTMAN-ERCOTE | November 02, 2021 to November 09, 2021 | SPP-2021-134 | 95289250 | 10/28/2021 | 11/1/2021 | Download |
| CSWS.EASTMAN-ERCOTE | November 02, 2021 to November 09, 2021 | SPP-2021-136 | 95289268 | 10/28/2021 | 11/1/2021 | Download |
| NPPD-SCSE | November 06, 2021 to November 07, 2021 | SPP-2021-143 | 95355864 | 11/4/2021 | 11/4/2021 | Download |
| NPPD-SCSE | November 07, 2021 to November 09, 2021 | SPP-2021-144 | 95355984 | 11/5/2021 | 11/5/2021 | Download |
| OPPD-NPPD.OPPD.LDX | December 04, 2021 to January 04, 2022 | SPP-2021-145 | 95418760 | 11/16/2021 | 11/17/2021 | Download |
| OPPD-NPPD.OPPD.LDX | January 04, 2022 to December 04, 2022 | SPP-2021-146 | 95418776 | 12/2/2021 | 12/3/2021 | Download |
| CSWS.EASTMAN-ERCOTE | February 01, 2022 to March 01, 2022 | SPP-2021-147 | 95575086 | 12/8/2021 | 12/9/2021 | Download |
| CSWS.EASTMAN-ERCOTE | April 08, 2022 to September 11, 2022 | SPP-2021-148 | 95640608 | 12/22/2021 | 1/3/2022 | Download |
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If you have any questions, please submit a ticket on RMS. |
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