system change notices
| Notice | Description | Notification Date | Implementation Date | Reference Documents |
| SCN-NPRR442 (71.7 KB pdf) | Implementation details for NPRR442 | 08/15/2012 | 08/29/2012 | 442NPRR-13 Board Report 051512 |
| SCN-NPRR422 (10.2 KB pdf) | Implementation details for NPRR422 | 08/15/2012 | 08/30/2012 | 422NPRR-09 Board Report 022112 |
| SCN-NPRR383 (12.8 KB pdf) | Implementation details for NPRR383 | 08/15/2012 | 08/30/2012 | 383NPRR-08 Board Report 092011 |
| SCN-NPRR382 (10 KB pdf) | Implementation details for NPRR382 | 08/15/2012 | 08/30/2012 | 382NPRR-07 Board Report 092011 |
| SCN-NPRR348 (92.4 KB pdf) | Implementation details for NPRR348 | 07/30/2012 | 08/29/2012 | 348NPRR-15 Board Report 092011 |
| SCN-NPRR351 (245.3 KB pdf) | ERCOT support for SCED Look-Ahead Step 1 ¿ implementation of NPRR351 | 06/25/2012 | 06/28/2012 | 351NPRR-38 Board Report 121211 |
| SCN-SCR760 (69.2 KB pdf) | Implementation details of SCR760 ¿ Phase 3 | 06/15/2012 | 06/27/2012 | 760SCR-26 Board Report 032211 |
| SCN-NPRR395 (16.5 KB pdf) | NPRR395 posting issue and resolution | 05/29/2012 | 05/29/2012 | 395NPRR-10 Board Report 121211 |
| SCN-NPRR451 (20.3 KB pdf) | Additional implementation details of NPRR451 | 05/25/2012 | 06/01/2012 | 451NPRR-19 Board Report 041712 |
| SCN-NPRR379 (18.3 KB pdf) | Implementation details of NPRR379 | 05/25/2012 | 07/01/2012 | 379NPRR-15 Board Report 092011 |
| SCN-NPRR360 (54 KB pdf) | Implementation details of NPRR360 | 05/25/2012 | 06/28/2012 | 360NPRR-11 Board Report 092011 |
| SCN-NPRR354 (15.6 KB pdf) | Implementation details of NPRR354 | 05/25/2012 | 06/28/2012 | 354NPRR-10 Board Report 092011 |
| SCN-NPRR351 (54.2 KB pdf) | Implementation details of NPRR351 | 05/25/2012 | 06/28/2012 | 351NPRR-38 Board Report 121211 |
| SCN-NPRR451 (16.3 KB pdf) | Implementation details of NPRR451 | 05/16/2012 | 06/01/2012 | 451NPRR-19 Board Report 041712 |
| SCN-NPRR395 (15.4 KB pdf) | Implementation details of NPRR395 | 04/13/2012 | 04/27/2012 | 395NPRR-10 Board Report 121211 |
| SCN-NPRR361 (26.1 KB pdf) | Additional report posting details for NPRR361 | 04/13/2012 | 04/27/2012 | 361NPRR-07 Board Report 081611 |
| SCN-NPRR359 (16.2 KB pdf) | Implementation details of NPRR359 | 04/13/2012 | 04/27/2012 | 359NPRR-07 Board Report 081611 |
| SCN-NPRR314 (21.6 KB pdf) | Implementation details of NPRR314 | 04/13/2012 | 04/27/2012 | 314NPRR-11 Board Report 071911 |
| SCN-NPRR434 (16.3 KB pdf) | Implementation details of NPRR434 | 04/06/2012 | 05/10/2012 | 434NPRR-12 Board Report 022112 |
| SCN-NPRR361 (25.1 KB pdf) | Implementation details of NPRR361 | 03/23/2012 | 04/25/2012 | 361NPRR-07 Board Report 081611 |
| SCN-SCR761 (28.3 KB pdf) | Implementation details of SCR761 | 02/02/2012 | 02/24/2012 | 761SCR-09 Board Report 071911 |
| SCN-SCR760 (11.1 KB pdf) | Implementation details of SCR760 ¿ Phase 2 | 01/31/2012 | 02/22/2012 | 760SCR-26 Board Report 032211 |
| SCN-NPRR326/355 (12.3 KB pdf) | Implementation details for NPRR326 and NPRR355 | 01/31/2012 | 02/24/2012 |
326NPRR-11 Board Report 062111
355NPRR-10 Board Report 081611 |