Ancillary Service Prices - Real-Time |
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| Note 1: Dates with corrected prices are displayed with green links. Updates for both missing data and presentation are displayed with an orange link. | ||||
| Note 2: Updated historical Ancillary Service Prices have been posted in the archived files section. | ||||
| Note 3: Prices for the period February 1, 2005 forward are the subject of a FERC filing. | ||||
| CSV Files | Last Updated | |||
|---|---|---|---|---|
| 12-12-2024 | 12/12/24 11:10 EST | |||
| 12-11-2024 | 12/12/24 00:45 EST | |||
| 12-10-2024 | 12/11/24 00:40 EST | |||
| 12-09-2024 | 12/10/24 01:15 EST | |||
| 12-08-2024 | 12/09/24 01:05 EST | |||
| 12-07-2024 | 12/08/24 00:50 EST | |||
| 12-06-2024 | 12/07/24 00:55 EST | |||
| 12-05-2024 | 12/06/24 00:20 EST | |||
| 12-04-2024 | 12/05/24 00:15 EST | |||
| 12-03-2024 | 12/04/24 00:45 EST | |||
| Archived Files (zip format) | ||||
| CSV Files | Last Updated | |||
| 12-2024 | 12/12/24 11:10 EST | |||
| 11-2024 | 12/01/24 00:40 EST | |||
| 10-2024 | 11/01/24 00:50 EDT | |||
| 09-2024 | 10/01/24 00:30 EDT | |||
| 08-2024 | 09/01/24 00:40 EDT | |||
| 07-2024 | 08/01/24 00:50 EDT | |||
| 06-2024 | 07/01/24 00:35 EDT | |||
| 05-2024 | 06/01/24 00:40 EDT | |||
| 04-2024 | 05/01/24 01:40 EDT | |||
| 03-2024 | 04/01/24 00:55 EDT | |||
| 02-2024 | 03/01/24 00:40 EST | |||
| 01-2024 | 02/01/24 01:55 EST | |||
| 12-2023 | 01/03/24 11:30 EST | |||
| 11-2023 | 12/01/23 00:30 EST | |||
| 10-2023 | 11/01/23 01:50 EDT | |||
| 09-2023 | 10/01/23 00:45 EDT | |||
| 08-2023 | 09/01/23 00:35 EDT | |||
| 07-2023 | 08/01/23 00:20 EDT | |||
| 06-2023 | 07/01/23 00:35 EDT | |||
| 05-2023 | 06/01/23 01:00 EDT | |||
| 04-2023 | 05/01/23 00:35 EDT | |||
| 03-2023 | 04/01/23 00:35 EDT | |||
| 02-2023 | 03/01/23 00:55 EST | |||
| 01-2023 | 02/01/23 00:30 EST | |||
| 12-2022 | 01/01/23 00:30 EST | |||
| 11-2022 | 12/01/22 01:15 EST | |||
| 10-2022 | 11/01/22 02:00 EDT | |||
| 09-2022 | 10/01/22 01:25 EDT | |||
| 08-2022 | 09/01/22 01:05 EDT | |||
| 07-2022 | 08/05/22 09:10 EDT | |||
| 06-2022 | 07/01/22 00:45 EDT | |||
| 05-2022 | 06/01/22 00:45 EDT | |||
| 04-2022 | 05/01/22 00:35 EDT | |||
| 03-2022 | 04/01/22 00:45 EDT | |||
| 02-2022 | 04/10/23 15:00 EDT | |||
| 01-2022 | 02/01/22 02:40 EST | |||
| 12-2021 | 01/01/22 01:25 EST | |||
| 11-2021 | 12/01/21 00:50 EST | |||
| 10-2021 | 11/01/21 00:25 EDT | |||
| 09-2021 | 10/01/21 00:30 EDT | |||
| 08-2021 | 09/01/21 03:00 EDT | |||
| 07-2021 | 11/12/21 10:28 EST | |||
| 06-2021 | 07/01/21 00:30 EDT | |||
| 05-2021 | 11/12/21 10:35 EST | |||
| 04-2021 | 05/01/21 01:40 EDT | |||
| 03-2021 | 04/01/21 01:45 EDT | |||
| 02-2021 | 03/01/21 00:25 EST | |||
| 01-2021 | 02/01/21 01:40 EST | |||
| 12-2020 | 01/01/21 00:35 EST | |||
| 11-2020 | 12/01/20 00:40 EST | |||
| 10-2020 | 11/01/20 00:05 EDT | |||
| 09-2020 | 10/01/20 00:05 EDT | |||
| 08-2020 | 09/01/20 00:05 EDT | |||
| 07-2020 | 08/01/20 00:05 EDT | |||
| 06-2020 | 07/01/20 00:05 EDT | |||
| 05-2020 | 05/11/21 13:26 EDT | |||
| 04-2020 | 05/01/20 00:05 EDT | |||
| 03-2020 | 04/01/20 00:05 EDT | |||
| 02-2020 | 03/01/20 00:05 EST | |||
| 01-2020 | 02/01/20 00:25 EST | |||
| 12-2019 | 01/01/20 00:10 EST | |||
| 11-2019 | 12/04/19 10:50 EST | |||
| 10-2019 | 11/01/19 00:20 EDT | |||
| 09-2019 | 10/03/19 15:57 EDT | |||
| 08-2019 | 09/01/19 00:15 EDT | |||
| 07-2019 | 08/01/19 00:10 EDT | |||
| 06-2019 | 07/01/19 00:10 EDT | |||
| 05-2019 | 06/01/19 00:10 EDT | |||
| 04-2019 | 05/01/19 00:05 EDT | |||
| 03-2019 | 04/01/19 00:10 EDT | |||
| 02-2019 | 03/01/19 00:10 EST | |||
| 01-2019 | 02/01/19 00:05 EST | |||
| 12-2018 | 01/01/19 00:10 EST | |||
| 11-2018 | 12/01/18 00:05 EST | |||
| 10-2018 | 11/01/18 00:05 EDT | |||
| 09-2018 | 10/01/18 00:05 EDT | |||
| 08-2018 | 09/01/18 00:05 EDT | |||
| 07-2018 | 08/01/18 00:05 EDT | |||
| 06-2018 | 07/01/18 00:05 EDT | |||
| 05-2018 | 06/01/18 00:05 EDT | |||
| 04-2018 | 05/01/18 00:05 EDT | |||
| 03-2018 | 04/01/18 00:10 EDT | |||
| 02-2018 | 03/01/18 00:05 EST | |||
| 01-2018 | 02/01/18 00:10 EST | |||
| 12-2017 | 01/01/18 00:20 EST | |||
| 11-2017 | 12/01/17 00:10 EST | |||
| 10-2017 | 11/01/17 00:05 EDT | |||
| 09-2017 | 10/01/17 00:05 EDT | |||
| 08-2017 | 09/01/17 00:05 EDT | |||
| 07-2017 | 08/01/17 00:05 EDT | |||
| 06-2017 | 07/01/17 00:05 EDT | |||
| 05-2017 | 06/01/17 10:42 EDT | |||
| 04-2017 | 05/01/17 00:05 EDT | |||
| 03-2017 | 04/01/17 00:05 EDT | |||
| 02-2017 | 03/01/17 08:20 EST | |||
| 01-2017 | 02/01/17 00:05 EST | |||
| 12-2016 | 01/01/17 00:05 EST | |||
| 11-2016 | 12/01/16 00:05 EST | |||
| 10-2016 | 11/01/16 00:05 EDT | |||
| 09-2016 | 10/01/16 00:05 EDT | |||
| 08-2016 | 09/01/16 00:05 EDT | |||
| 07-2016 | 08/01/16 00:05 EDT | |||
| 06-2016 | 07/01/16 00:05 EDT | |||
| 05-2016 | 06/01/16 00:05 EDT | |||
| 04-2016 | 05/01/16 00:10 EDT | |||
| 03-2016 | 04/01/16 00:05 EDT | |||
| 02-2016 | 03/01/16 00:10 EST | |||
| 01-2016 | 02/01/16 00:05 EST | |||
| 12-2015 | 01/01/16 00:05 EST | |||
| 11-2015 | 12/01/15 00:05 EST | |||
| 10-2015 | 11/01/15 00:05 EDT | |||
| 09-2015 | 10/01/15 00:05 EDT | |||
| 08-2015 | 09/01/15 00:05 EDT | |||
| 07-2015 | 08/01/15 00:05 EDT | |||
| 06-2015 | 07/01/15 10:24 EDT | |||
| 05-2015 | 06/01/15 00:05 EDT | |||
| 04-2015 | 05/01/15 00:05 EDT | |||
| 03-2015 | 04/02/15 13:10 EDT | |||
| 02-2015 | 03/01/15 02:10 EST | |||
| 01-2015 | 02/01/15 00:05 EST | |||
| 12-2014 | 01/01/15 00:05 EST | |||
| 11-2014 | 12/01/14 00:05 EST | |||
| 10-2014 | 11/01/14 00:05 EDT | |||
| 09-2014 | 10/01/14 00:05 EDT | |||
| 08-2014 | 09/01/14 00:05 EDT | |||
| 07-2014 | 08/01/14 00:10 EDT | |||
| 06-2014 | 07/01/14 00:05 EDT | |||
| 05-2014 | 06/01/14 00:05 EDT | |||
| 04-2014 | 05/01/14 00:05 EDT | |||
| 03-2014 | 04/01/14 00:05 EDT | |||
| 02-2014 | 03/01/14 00:05 EST | |||
| 01-2014 | 02/03/14 15:05 EST | |||
| 12-2013 | 01/01/14 00:05 EST | |||
| 11-2013 | 12/01/13 00:05 EST | |||
| 10-2013 | 11/01/13 00:10 EDT | |||
| 09-2013 | 10/01/13 08:50 EDT | |||
| 08-2013 | 09/03/13 09:05 EDT | |||
| 07-2013 | 08/01/13 09:10 EDT | |||
| 06-2013 | 07/01/13 08:20 EDT | |||
| 05-2013 | 06/03/13 11:20 EDT | |||
| 04-2013 | 05/01/13 00:10 EDT | |||
| 03-2013 | 04/01/13 09:45 EDT | |||
| 02-2013 | 03/01/13 07:55 EST | |||
| 01-2013 | 02/01/13 08:50 EST | |||
| 12-2012 | 01/02/13 18:45 EST | |||
| 11-2012 | 12/01/12 08:10 EST | |||
| 10-2012 | 11/02/12 08:13 EDT | |||
| 09-2012 | 10/01/12 00:10 EDT | |||
| 08-2012 | 09/02/12 15:10 EDT | |||
| 07-2012 | 08/01/12 00:10 EDT | |||
| 06-2012 | 07/01/12 11:10 EDT | |||
| 05-2012 | 06/01/12 00:10 EDT | |||
| 04-2012 | 05/01/12 00:10 EDT | |||
| 03-2012 | 04/01/12 00:10 EDT | |||
| 02-2012 | 03/01/12 00:10 EST | |||
| 01-2012 | 02/01/12 00:10 EST | |||
| 12-2011 | 01/01/12 00:10 EST | |||
| 11-2011 | 12/01/11 00:10 EST | |||
| 10-2011 | 11/01/11 00:10 EDT | |||
| 09-2011 | 10/01/11 00:10 EDT | |||
| 08-2011 | 09/01/11 00:10 EDT | |||
| 07-2011 | 08/01/11 00:10 EDT | |||
| 06-2011 | 07/01/11 10:40 EDT | |||
| 05-2011 | 06/03/11 12:20 EDT | |||
| 04-2011 | 05/01/11 00:10 EDT | |||
| 03-2011 | 04/01/11 00:10 EDT | |||
| 02-2011 | 03/01/11 00:10 EST | |||
| 01-2011 | 02/01/11 00:10 EST | |||
| 12-2010 | 01/01/11 00:10 EST | |||
| 11-2010 | 12/01/10 00:10 EST | |||
| 10-2010 | 11/01/10 00:10 EDT | |||
| 09-2010 | 10/01/10 03:20 EDT | |||
| 08-2010 | 09/01/10 00:10 EDT | |||
| 07-2010 | 08/01/10 00:10 EDT | |||
| 06-2010 | 07/09/10 13:06 EDT | |||
| 05-2010 | 06/01/10 00:10 EDT | |||
| 04-2010 | 05/01/10 00:10 EDT | |||
| 03-2010 | 04/01/10 00:10 EDT | |||
| 02-2010 | 03/01/10 00:10 EST | |||
| 01-2010 | 02/01/10 10:05 EST | |||
| 12-2009 | 01/04/10 10:25 EST | |||
| 11-2009 | 12/01/09 00:10 EST | |||
| 10-2009 | 11/01/09 00:10 EDT | |||
| 09-2009 | 10/01/09 00:10 EDT | |||
| 08-2009 | 09/01/09 00:10 EDT | |||
| 07-2009 | 08/01/09 00:10 EDT | |||
| 06-2009 | 07/01/09 00:20 EDT | |||
| 05-2009 | 06/01/09 00:10 EDT | |||
| 04-2009 | 05/01/09 00:10 EDT | |||
| 03-2009 | 04/01/09 00:10 EDT | |||
| 02-2009 | 03/02/09 11:00 EST | |||
| 01-2009 | 02/01/09 00:10 EST | |||
| 12-2008 | 01/01/09 00:10 EST | |||
| 11-2008 | 12/02/08 13:05 EST | |||
| 10-2008 | 11/01/08 00:10 EDT | |||
| 09-2008 | 10/01/08 00:10 EDT | |||
| 08-2008 | 09/01/08 00:10 EDT | |||
| 07-2008 | 08/01/08 00:10 EDT | |||
| 06-2008 | 07/02/08 09:00 EDT | |||
| 05-2008 | 06/01/08 00:10 EDT | |||
| 04-2008 | 05/01/08 09:40 EDT | |||
| 03-2008 | 04/01/08 00:10 EDT | |||
| 02-2008 | 03/01/08 00:10 EST | |||
| 01-2008 | 02/01/08 00:10 EST | |||
| 12-2007 | 01/01/08 00:10 EST | |||
| 11-2007 | 12/03/07 12:10 EST | |||
| 10-2007 | 11/01/07 15:05 EDT | |||
| 09-2007 | 10/01/07 00:10 EDT | |||
| 08-2007 | 09/01/07 00:10 EDT | |||
| 07-2007 | 08/01/07 00:10 EDT | |||
| 06-2007 | 07/02/07 14:55 EDT | |||
| 05-2007 | 06/04/07 16:25 EDT | |||
| 04-2007 | 05/01/07 00:10 EDT | |||
| 03-2007 | 04/03/07 12:20 EDT | |||
| 02-2007 | 03/01/07 00:10 EST | |||
| 01-2007 | 02/01/07 00:10 EST | |||
| 12-2006 | 01/01/07 00:10 EST | |||
| 11-2006 | 12/01/06 00:10 EST | |||
| 10-2006 | 11/02/06 13:20 EST | |||
| 09-2006 | 10/01/06 00:05 EDT | |||
| 08-2006 | 09/01/06 00:06 EDT | |||
| 07-2006 | 08/04/06 18:06 EDT | |||
| 06-2006 | 07/01/06 00:05 EDT | |||
| 05-2006 | 06/05/06 16:30 EDT | |||
| 04-2006 | 05/01/06 00:05 EDT | |||
| 03-2006 | 04/01/06 03:10 EST | |||
| 02-2006 | 03/01/06 00:05 EST | |||
| 01-2006 | 02/01/06 15:55 EST | |||
| 12-2005 | 01/05/06 11:20 EST | |||
| 11-2005 | 12/02/05 15:18 EST | |||
| 10-2005 | 11/03/05 14:00 EST | |||
| 09-2005 | 10/03/05 12:10 EDT | |||
| 08-2005 | 09/02/05 18:01 EDT | |||
| 07-2005 | 10/13/05 10:08 EDT | |||
| 06-2005 | 09/01/05 10:51 EDT | |||
| 05-2005 | 06/03/05 09:52 EDT | |||
| 04-2005 | 05/03/05 22:57 EDT | |||
| 03-2005 | 04/06/05 08:24 EDT | |||
| 02-2005 | 04/14/05 14:05 EDT | |||