BPA Transmission Outage & Interruption Information

Effective March 30, 2007, BPA Transmission Services (BPAT) has implemented its OASIS on OATI wesTTrans. Transmission availability is posted in OASIS. Decisions based on information on these pages are solely the visitor's responsibility. Transmission Services reserves the right to modify TTC, and ATC until 08:00 on the day of WECC Preschedule day. Changes to TTC and ATC after 08:00 of the WECC Preschedule day will be addressed in Real Time.

Direct questions or comments to TBL Path Capacity, BPA Transmission Services, 360-418-8496.

Related Information

Transmission System Events

Outage Plans with Capacity Estimates

Known Constraints

[Jump to COI, PDCI, WNI, ENI, MTNW, WOH, LaGrande, RATS, NJD, WOM, ELM, RP, PA, SOA, NOH, WOS]

Capacity Restrictions caused by forced outages on Real-Time are not posted below. Real-Time outages are communicated among affected Parties by means of WECC telenet messages and can be viewed in OASIS.

COI Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
01/04/10-03/12/10	HE 0800 on 01/04/10 - HE 1500 on 03/12/10	4150	3675	Colgate-Rio Oso 230kV Line
10/01/09-02/25/10	HE 0700 on 10/01/09 - HE 1600 on 02/25/10	4150	3675	CISO-Palermo-Colgate 230kV Line
10/01/09-11/10/09	HE 0600 on 10/01/09 - HE 1600 on 11/10/09	4150	3675	CISO-Colgate-Rio Oso 230kV Line
10/26/09-11/07/09	HE 0800 on 10/26/09 - HE 1700 on 11/07/09	3400	2450	Ponderosa-Summer Lake section of Grizzly-Summer Lake 1 500kV Line
11/01/09-11/15/09	HE 0700 on 11/01/09 - HE 1600 on 11/15/09	3650	2500	Malin-Round Mountain 2 500kV Line
11/04/09-03/31/10	HE 0100 on 11/04/09 - HE 2400 on 03/30/10	4800	3675	Winter Seasonal SOL Limits
11/05/09-11/15/09	HE 0800 on 11/05/09 - HE 1600 on 11/15/09	3600	2500	Malin-Round Mountain 2 500kV Line In Conjunction with (Palermo-Colgate) & (Colgate-Rio Oso)
11/08/09	HE 0800 - HE 1200	4300	2450	Midpoint-Summer Lake 1 500kV Line
11/09/09	HE 0600 - HE 2200	3250	3675	Table Mountain-Tesla 500kV Line
	HE 0600 - HE 2200	3425	3675	Table Mountain-Tesla 500kV Line In conjunction limit with Colgate-Rio Oso; Palermo-Colgate; and Malin-Round Mountain 2 500kV Line
	HE 0600 - HE 2200	3425
11/10/09	HE 0600 - HE 2200	3250	3675	Table Mountain-Tesla 500kV Line
	HE 0600 - HE 2200	3425	3675	Table Mountain-Tesla 500kV Line In conjunction limit with Colgate-Rio Oso; Palermo-Colgate;and Malin-Round Mountain 2 500kV Line
	HE 0600 - HE 2200	3425
	HE 0700 - HE 1800	3650	2500	Malin-Round Mountain 2 500kV Line
	HE 0700 - HE 1800	3600	2500	Malin-Round Mountain 2 500kV Line In conjunction with (Palermo-Colgate) & (Colgate-Rio Oso)
11/12/09-11/13/09	HE 0600 on 11/12/09 - HE 2200 on 11/13/09	4200	3675	Vaca-Tesla 500kV Line
	HE 0600 on 11/12/09 - HE 2200 on 11/13/09	4200	3675
11/12/09-11/20/09	HE 0700 on 11/12/09 - HE 1700 on 11/20/09	4325	3675	CISO-Los Banos-Midway 2 500kV Line
11/16/09-11/18/09	HE 0700 on 11/16/09 - HE 2100 on 11/18/09	4050	3675	Tracy-Los Banos 500kV Line
11/16/09-11/19/09	HE 0900 on 11/16/09 - HE 1500 on 11/19/09	4100	2450	Captain Jack-Klamath Cogen 500kV Line and Celilo Converters 3 & 4
11/16/09-11/24/09	HE 0900 on 11/16/09 - HE 1800 on 11/24/09	4325	3675	Table Mountain-Vaca 500kV Line Series Caps Bank 3 at Table Mountain
11/21/09-11/25/09	HE 0700 on 11/21/09 - HE 2200 on 11/25/09	4050	3675	Tesla-Los Banos 1 500kV Line
11/23/07-12/31/18	HE 1300 on 11/23/07 - HE 2300 on 12/31/18	4800	3675	Path Rating (RTC)
11/23/09-01/01/20	HE 0100 on 11/23/09 - HE 2400 on 12/31/19		2450	Studied Nomogram COI&PDCI S>N
11/23/09-09/30/11	HE 0100 on 11/23/09 - HE 2300 on 09/30/11	4333		Studied Nomogram COI&PDCI N>S
12/04/09	HE 1000 - HE 1500	4275	2500	Gates-Midway 500kV Line
12/08/09	HE 0800 - HE 1700	4100	3675	Los Banos-Gates 1 500kV Series Capacitors at Gates
12/09/09	HE 0800 - HE 1700	4100	3675	Los Banos-Gates 2 500kV Series Capacitors at Gates
12/10/09	HE 0800 - HE 1700	4100	3675	Gates-Midway 500kV Series Capacitors at Gates
12/14/09-12/16/09	HE 0900 on 12/14/09 - HE 1800 on 12/16/09	4325	3675	Table Mountain-Vaca 500kV Series Capacitors at Vaca

PDCI Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S) NOB	MW Limit (S-N) NOB	Reason for Path Reduction
01/04/10-03/12/10	HE 0800 on 01/04/10 - HE 1500 on 03/12/10	2990	2084	Colgate-Rio Oso 230kV Line
01/18/10-01/22/10	HE 0900 on 01/18/10 - HE 1600 on 01/22/10	2990	2084	Gates-Panoche 1 230kV Line
04/01/09-12/31/09	HE 2400 on 04/01/09 - HE 2400 on 12/30/09	2990	1070	Celilo Converters 3 and 4
07/31/09-12/01/09	HE 1000 on 07/31/09 - HE 2300 on 09/30/09	2990	975	LADWP-Station Work-Northbound flow restriction(Effective since 00:01 17DEC08)
	HE 2400 on 07/31/09 - HE 0900 on 08/26/09	2990	975
	HE 2400 on 07/31/09 - HE 2300 on 10/31/09	2990	975
	HE 2400 on 07/31/09 - HE 2400 on 11/30/09	2990	975
10/01/09-02/25/10	HE 0700 on 10/01/09 - HE 1600 on 02/25/10	2990	2084	CISO-Palermo-Colgate 230kV Line
10/01/09-11/10/09	HE 0600 on 10/01/09 - HE 1600 on 11/10/09	2990	2084	CISO-Colgate-Rio Oso 230kV Line
10/19/09-11/07/09	HE 0500 on 10/19/09 - HE 1900 on 11/07/09	2990	2084	Midway-Vincent 3 500kV Line
10/26/09-11/07/09	HE 0800 on 10/26/09 - HE 1700 on 11/07/09	2990	1904	Ponderosa-Summer Lake section of Grizzly-Summer Lake 1 500kV Line
11/01/09-11/15/09	HE 0700 on 11/01/09 - HE 1600 on 11/15/09	2990	2084	Malin-Round Mountain 2 500kV Line
11/04/09-03/31/10	HE 0100 on 11/04/09 - HE 2400 on 03/30/10	2990	2084	Winter Seasonal SOL Limits
11/08/09	HE 0800 - HE 1200	2990	1904	Midpoint-Summer Lake 1 500kV Line
11/09/09	HE 0600 - HE 2200	2990	2084	Table Mountain-Tesla 500kV Line
11/09/09-11/15/09	HE 0700 on 11/09/09 - HE 1800 on 11/15/09	2990	2084	Logan Creek-Vaca 230kV Line
11/09/09-11/30/09	HE 0700 on 11/09/09 - HE 1800 on 11/30/09	1086	1070	Celilo: Converters 3 and 4
11/10/09	HE 0600 - HE 2200	2990	2084	Table Mountain-Tesla 500kV Line
	HE 0700 - HE 1800	2990	2084	Malin-Round Mountain 2 500kV Line
11/12/09-11/13/09	HE 0600 on 11/12/09 - HE 2200 on 11/13/09	2990	2084	Vaca-Tesla 500kV Line
	HE 0600 on 11/12/09 - HE 2200 on 11/13/09	2990	2084
11/12/09-11/20/09	HE 0700 on 11/12/09 - HE 1700 on 11/20/09	2990	2084	CISO-Los Banos-Midway 2 500kV Line
11/16/09-11/18/09	HE 0700 on 11/16/09 - HE 2100 on 11/18/09	2990	2084	Tracy-Los Banos 500kV Line
11/16/09-11/19/09	HE 0900 on 11/16/09 - HE 1500 on 11/19/09	1086	1070	Captain Jack-Klamath Cogen 500kV Line and Celilo Converters 3 & 4
11/16/09-11/24/09	HE 0900 on 11/16/09 - HE 1800 on 11/24/09	2990	2084	Table Mountain-Vaca 500kV Line Series Caps Bank 3 at Table Mountain
11/21/09-11/25/09	HE 0700 on 11/21/09 - HE 2200 on 11/25/09	2990	2084	Tesla-Los Banos 1 500kV Line
11/23/07-01/01/19	HE 1400 on 11/23/07 - HE 2400 on 12/31/18	2990	2084	Path Rating
	HE 1800 on 11/23/07 - HE 2400 on 12/31/18		2084	ICLTS Load tripping capability beginning June 6 2004 and still in effect.
11/23/09-01/01/20	HE 0100 on 11/23/09 - HE 2400 on 12/31/19		1904	Studied Nomogram COI&PDCI S>N
11/23/09-09/30/11	HE 0100 on 11/23/09 - HE 2300 on 09/30/11	2712		Studied Nomogram COI&PDCI N>S
11/30/09-12/06/09	HE 0700 on 11/30/09 - HE 1700 on 12/06/09	2990	2084	CISO-Cottonwood-Vaca 230kV Line
	HE 0700 on 11/30/09 - HE 1800 on 12/06/09	2990	2084	Glenn-Vaca 230kV Line
12/04/09	HE 1000 - HE 1500	2990	1904	Gates-Midway 500kV Line
12/08/09	HE 0800 - HE 1700	2990	2084	Los Banos-Gates 1 500kV Series Capacitors at Gates
12/09/09	HE 0800 - HE 1700	2990	2084	Los Banos-Gates 2 500kV Series Capacitors at Gates
12/10/09	HE 0800 - HE 1700	2990	2084	Gates-Midway 500kV Series Capacitors at Gates
12/14/09-12/16/09	HE 0900 on 12/14/09 - HE 1800 on 12/16/09	2990	2084	Table Mountain-Vaca 500kV Series Capacitors at Vaca
12/14/09-12/19/09	HE 0700 on 12/14/09 - HE 1700 on 12/19/09	2990	2084	Moss Landing-Metcalf 500kV Line

WNI Constraints

Northern Intertie Nomograms (updated Thursday, November 05, 2009, 14:55)

(last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
07/31/11-01/01/20	HE 2400 on 07/31/11 - HE 2400 on 12/31/19	1571	1409	NI Studied Nomogram
08/01/10-07/31/11	HE 0100 on 08/01/10 - HE 2300 on 07/31/11	1571	1412	NI Studied Nomogram
11/02/09-11/08/09	HE 0100 - HE 0500 Daily		2000	BPA-Cvngtn:230 WestBus(From rmvd bus btwn A-854/A-1002-end/WBus)(Forces out 500/230 Bk4;Tacoma 3;Tacoma 4 230;230 Reactive Grp 1 & Raver 1 500.Bypass Covington-Columbia 3 230-Covington 230 East Bus)PSE-SdroWoly:230 South Bus(Forces out SdroWoly-Blnghm 1 230)(Daily)
	HE 0100 Daily	1081
	HE 0200 Daily	1135
	HE 0300 - HE 0400 Daily	1189
	HE 0500 Daily	1081
	HE 0600 Daily	867	1947
	HE 0700 - HE 0500 Daily		2000
	HE 0700 - HE 1400 Daily		2000
	HE 0700 Daily	1033
	HE 0800 Daily	933
	HE 0900 - HE 1000 Daily	895
	HE 1100 Daily	921
	HE 1200 Daily	953
	HE 1300 Daily	1117
	HE 1400 Daily	1143
	HE 1500 - HE 1600 Daily	1403
	HE 1700 Daily	1564
	HE 1800 Daily	1537
	HE 1900 Daily	1093
	HE 2000 Daily	1115
	HE 2100 Daily	890
	HE 2200 Daily	984
	HE 2300 Daily	1090
	HE 2400 Daily	1219
11/06/09-11/07/09	HE 0100 on 11/06/09 on 11/06/09	1506	1950	Preschedule forecast for 11/6/09
	HE 0200 on 11/06/09 - HE 0400 on 11/06/09	1521
	HE 0200 on 11/06/09 on 11/06/09		1936
	HE 0300 on 11/06/09 on 11/06/09		1875
	HE 0400 on 11/06/09 on 11/06/09		1859
	HE 0500 on 11/06/09 on 11/06/09	1490	1950
	HE 0600 on 11/06/09 on 11/06/09	1428	1884
	HE 0700 on 11/06/09 - HE 2400 on 11/06/09		1950
	HE 0700 on 11/06/09 on 11/06/09	1772
	HE 0800 on 11/06/09 on 11/06/09	1868
	HE 0900 on 11/06/09 on 11/06/09	1871
	HE 1000 on 11/06/09 on 11/06/09	1863
	HE 1100 on 11/06/09 - HE 1200 on 11/06/09	1926
	HE 1300 on 11/06/09 - HE 2000 on 11/06/09	1950
	HE 2100 on 11/06/09 on 11/06/09	1926
	HE 2200 on 11/06/09 on 11/06/09	1904
	HE 2300 on 11/06/09 on 11/06/09	1814
	HE 2400 on 11/06/09 on 11/06/09	1634
11/06/09-11/20/09	HE 0100 - HE 1400 Daily		2000	PSE-Sedro Woolley: 230kV South Bus (Forces out Sedro Woolley-Bellingham 1 230kV Line)(Daily)
	HE 0100 Daily	1479
	HE 0200 Daily	1500
	HE 0300 - HE 0400 Daily	1522
	HE 0500 Daily	1479
	HE 0600 Daily	1416
	HE 0700 Daily	1300
	HE 0800 Daily	1240
	HE 0900 Daily	1188
	HE 1000 Daily	1288
	HE 1100 Daily	1216
	HE 1200 Daily	1235
	HE 1300 - HE 1400 Daily	1394
	HE 1500 Daily	1550
	HE 1600 Daily	1541
	HE 1700 Daily	1783
	HE 1800 Daily	1785
	HE 1900 Daily	1489
	HE 2000 Daily	1497
	HE 2100 Daily	1273
	HE 2200 Daily	1323
	HE 2300 Daily	1345
	HE 2400 Daily	1404
11/07/09-11/08/09	HE 0100 on 11/07/09 - HE 0300 on 11/07/09		1950	Preschedule forecast for 11/7/09
	HE 0100 on 11/07/09 on 11/07/09	1402
	HE 0200 on 11/07/09 on 11/07/09	1312
	HE 0300 on 11/07/09 on 11/07/09	1271
	HE 0400 on 11/07/09 on 11/07/09	1261	1940
	HE 0500 on 11/07/09 on 11/07/09	1304	1950
	HE 0600 on 11/07/09 on 11/07/09	1356	1774
	HE 0700 on 11/07/09 - HE 2400 on 11/07/09		1950
	HE 0700 on 11/07/09 on 11/07/09	1504
	HE 0800 on 11/07/09 on 11/07/09	1739
	HE 0900 on 11/07/09 on 11/07/09	1843
	HE 1000 on 11/07/09 on 11/07/09	1851
	HE 1100 on 11/07/09 on 11/07/09	1863
	HE 1200 on 11/07/09 on 11/07/09	1854
	HE 1300 on 11/07/09 on 11/07/09	1915
	HE 1400 on 11/07/09 on 11/07/09	1904
	HE 1500 on 11/07/09 on 11/07/09	1905
	HE 1600 on 11/07/09 on 11/07/09	1931
	HE 1700 on 11/07/09 - HE 2000 on 11/07/09	1950
	HE 2100 on 11/07/09 on 11/07/09	1854
	HE 2200 on 11/07/09 on 11/07/09	1838
	HE 2300 on 11/07/09 on 11/07/09	1796
	HE 2400 on 11/07/09 on 11/07/09	1600
11/08/09	HE 0800 - HE 1500	1700	1500	BCTC-Ingledow-Meridian 500kV Line (5L44)
11/08/09-11/09/09	HE 0100 on 11/08/09 - HE 0500 on 11/08/09		1950	Preschedule Forecast 11/8
	HE 0100 on 11/08/09 on 11/08/09	1421
	HE 0200 on 11/08/09 on 11/08/09	1372
	HE 0300 on 11/08/09 on 11/08/09	1332
	HE 0400 on 11/08/09 on 11/08/09	1321
	HE 0500 on 11/08/09 on 11/08/09	1357
	HE 0600 on 11/08/09 on 11/08/09	1421	1888
	HE 0700 on 11/08/09 on 11/08/09	1546	1950
	HE 0800 on 11/08/09 - HE 2300 on 11/08/09	1650
	HE 0800 on 11/08/09 - HE 2400 on 11/08/09		1450
	HE 2400 on 11/08/09 on 11/08/09	1602
11/09/09-11/10/09	HE 0100 on 11/09/09 - HE 0600 on 11/09/09		1450	Preschedule Forecast 11/9
	HE 0100 on 11/09/09 on 11/09/09	1415
	HE 0200 on 11/09/09 on 11/09/09	1341
	HE 0300 on 11/09/09 - HE 0400 on 11/09/09	1314
	HE 0500 on 11/09/09 on 11/09/09	1380
	HE 0600 on 11/09/09 on 11/09/09	1344
	HE 0700 on 11/09/09 on 11/09/09	949	1129
	HE 0800 on 11/09/09 on 11/09/09	860	1009
	HE 0900 on 11/09/09 on 11/09/09	853	1077
	HE 1000 on 11/09/09 on 11/09/09	876	1105
	HE 1100 on 11/09/09 on 11/09/09	872	1163
	HE 1200 on 11/09/09 on 11/09/09	894	1189
	HE 1300 on 11/09/09 on 11/09/09	871	1204
	HE 1400 on 11/09/09 - HE 1500 on 11/09/09	895
	HE 1400 on 11/09/09 on 11/09/09		1229
	HE 1500 on 11/09/09 on 11/09/09		1269
	HE 1600 on 11/09/09 on 11/09/09	871	1245
	HE 1700 on 11/09/09 on 11/09/09	790	1215
	HE 1800 on 11/09/09 on 11/09/09	686	1121
	HE 1900 on 11/09/09 on 11/09/09	734	1090
	HE 2000 on 11/09/09 on 11/09/09	758	1115
	HE 2100 on 11/09/09 on 11/09/09	841	1142
	HE 2200 on 11/09/09 on 11/09/09	909	1220
	HE 2300 on 11/09/09 on 11/09/09	1031	1301
	HE 2400 on 11/09/09 on 11/09/09	1141	1440
11/09/09-11/11/09	HE 0600 on 11/09/09 - HE 2000 on 11/10/09	1700	1500	BCTC-Ingledow-Meridian 500kV Line (5L44)
	HE 2100 on 11/09/09 - HE 1600 on 11/11/09	1700	1500
11/09/09-11/13/09	HE 0100 Daily	1156	1183	PSANI ADVISORY HE06-HE14 & HE17-HE22: PSE-Sedro Woolley: 230kV South Bus (Forces out Sedro Woolley-Bellingham 1 230kV Line);and BPA-Echo Lake-Monroe-SnoKing 1 500kV Line(Daily)
	HE 0200 Daily	1193	1232
	HE 0300 - HE 0400 Daily	1230	1281
	HE 0500 Daily	1156	1183
	HE 0600 Daily	1044	1037
	HE 0700 Daily	819	937
	HE 0800 Daily	710	820
	HE 0900 Daily	619	805
	HE 1000 Daily	691	877
	HE 1100 Daily	673	938
	HE 1200 Daily	708	971
	HE 1300 - HE 1400 Daily	763	1023
	HE 1500 Daily	818	1074
	HE 1600 Daily	783	1043
	HE 1700 Daily	746	1014
	HE 1800 Daily	610	893
	HE 1900 Daily	575	853
	HE 2000 Daily	609	885
	HE 2100 Daily	647	915
	HE 2200 Daily	753	1014
	HE 2300 Daily	906	1093
	HE 2400 Daily	1014	1201
11/10/09	HE 0800	754	815	PSANI ADVISORY HE08-HE14 & HE16: PSE-Sedro Woolley: 230kV South Bus (Forces out Sedro Woolley-Bellingham 1 230kV Line);BPA-Echo Lake-Monroe-SnoKing 1 500kV Line;and BPA-SnoKing: 230kV Main Bus Section 2 and PCB's A-1204;A-1195;& A-1196
	HE 0900	664	798
	HE 1000	733	871
	HE 1100	712	931
	HE 1200	746	965
	HE 1300 - HE 1400	797	1017
	HE 1500	848	1070
	HE 1600	815	1038
	HE 1700	777	1010
	HE 1800	645	887
	HE 1900	614	846
11/10/09-11/11/09	HE 0100 on 11/10/09 on 11/10/09	1094	1231	Preschedule Forecast 11/10
	HE 0200 on 11/10/09 - HE 0400 on 11/10/09	1130	1270
	HE 0500 on 11/10/09 on 11/10/09	1058	1191
	HE 0600 on 11/10/09 on 11/10/09	876	991
	HE 0700 on 11/10/09 on 11/10/09	895	1081
	HE 0800 on 11/10/09 on 11/10/09	863	991
	HE 0900 on 11/10/09 on 11/10/09	861	1046
	HE 1000 on 11/10/09 on 11/10/09	882	1074
	HE 1100 on 11/10/09 on 11/10/09	880	1128
	HE 1200 on 11/10/09 on 11/10/09	901	1155
	HE 1300 on 11/10/09 on 11/10/09	908	1191
	HE 1400 on 11/10/09 on 11/10/09	930	1217
	HE 1500 on 11/10/09 - HE 1600 on 11/10/09	915	1227
	HE 1700 on 11/10/09 on 11/10/09	829	1161
	HE 1800 on 11/10/09 on 11/10/09	736	1060
	HE 1900 on 11/10/09 on 11/10/09	767	1039
	HE 2000 on 11/10/09 on 11/10/09	764	1070
	HE 2100 on 11/10/09 on 11/10/09	835	1105
	HE 2200 on 11/10/09 on 11/10/09	901	1185
	HE 2300 on 11/10/09 on 11/10/09	1008	1273
	HE 2400 on 11/10/09 on 11/10/09	1097	1384
11/14/09-11/15/09	HE 0100 Daily	1478		BPA-Covington:230kV West Bus(From between PCB A-92&MOD A-853)(Forces Tacoma 3;SCL Duwamish 1 & PSE White River 2 230kV Lines.Bypass Covington-Berrydale 3 230kV Line);PSE-Sedro Woolley:230kV South Bus(Forces out Sedro Woolley-Bellingham 1 230kV Line)(Daily)
	HE 0200 Daily	1499
	HE 0300 - HE 0400 Daily	1520
	HE 0500 Daily	1478
	HE 0600 Daily	1414
	HE 0700 Daily	1304
	HE 0800 - HE 1600 Daily		2000
	HE 0800 Daily	1244
	HE 0900 Daily	1192
	HE 1000 Daily	1231
	HE 1100 Daily	1218
	HE 1200 Daily	1237
	HE 1300 - HE 1400 Daily	1395
	HE 1500 Daily	1552
	HE 1600 Daily	1544
	HE 1700 Daily	1785
	HE 1800 Daily	1788
	HE 1900 Daily	1491
	HE 2000 Daily	1500
	HE 2100 Daily	1275
	HE 2200 Daily	1325
	HE 2300 Daily	1348
	HE 2400 Daily	1406
11/16/09-11/18/09	HE 0100 Daily	1276	820	PSANI ADVISORY 11/16-18 BPA-Tacoma; 500/230kV Bank 5 (Forces out Tacoma-Raver 1 & 2 500kV Line) and BPA-Chief Joseph-Monroe 1 500kV Line (Daily)
	HE 0200 Daily	1324	865
	HE 0300 - HE 0400 Daily	1371	910
	HE 0500 Daily	1276	820
	HE 0600 Daily	1087	639
	HE 0700 Daily	1002	502
	HE 0800 Daily	853	345
	HE 0900 - HE 1000 Daily	826	352
	HE 1100 Daily	804	360
	HE 1200 Daily	835	399
	HE 1300 Daily	833	450
	HE 1400 Daily	861	488
	HE 1500 Daily	852	508
	HE 1600 Daily	828	471
	HE 1700 Daily	782	389
	HE 1800 Daily	711	283
	HE 1900 Daily	693	269
	HE 2000 Daily	719	306
	HE 2100 Daily	763	326
	HE 2200 Daily	855	442
	HE 2300 Daily	1033	592
	HE 2400 Daily	1171	752
11/16/09-11/20/09	HE 0100 Daily	1296	725	PSANI ADVISORY HE01-HE24 and BPA-Chief Joseph-Monroe 1 500kV Line (Daily)
	HE 0200 Daily	1342	777
	HE 0300 - HE 0400 Daily	1388	829
	HE 0500 Daily	1296	725
	HE 0600 Daily	1111	516
	HE 0700 Daily	1035	436
	HE 0800 Daily	892	258
	HE 0900 - HE 1000 Daily	862	250
	HE 1100 Daily	835	243
	HE 1200 Daily	866	286
	HE 1300 Daily	857	318
	HE 1400 Daily	884	361
	HE 1500 Daily	884	361
	HE 1500 Daily	941	371
	HE 1600 Daily	919	329
	HE 1600 Daily	941	371
	HE 1700 Daily	919	329
	HE 1700 Daily	1049	245
	HE 1800 Daily	1002	124
	HE 1800 Daily	1049	245
	HE 1900 Daily	718	103
	HE 2000 Daily	744	145
	HE 2100 Daily	794	196
	HE 2200 Daily	883	325
	HE 2300 Daily	1062	514
	HE 2400 Daily	1195	690
11/23/07-01/01/19	HE 1800 on 11/23/07 - HE 2400 on 12/31/18	2850	2000	Path Rating
11/23/09-08/01/10	HE 0100 on 11/23/09 - HE 2400 on 07/31/10	1571	1452	NI Studied Nomogram
11/23/09-11/24/09	HE 0600 on 11/23/09 - HE 2100 on 11/24/09	1700	2000	BCTC-Nicola-Ingledow 500kV Line (5L81)

ENI Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
02/01/08-01/01/19	HE 0100 on 02/01/08 - HE 2300 on 08/24/09	400	400	Path Rating
	HE 2400 on 02/01/08 - HE 2400 on 12/31/18	400	400
11/08/09	HE 0800 - HE 1500	400	400	BCTC-Ingledow-Meridian 500kV Line (5L44)
11/09/09-11/11/09	HE 0600 on 11/09/09 - HE 2000 on 11/10/09	400	400	BCTC-Ingledow-Meridian 500kV Line (5L44)
	HE 2100 on 11/09/09 - HE 1600 on 11/11/09	400	400
11/23/09-11/24/09	HE 0600 on 11/23/09 - HE 2100 on 11/24/09	400	400	BCTC-Nicola-Ingledow 500kV Line (5L81)

MTNW Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (E-W)	MW Limit (W-E)	Reason for Path Reduction
10/31/09-01/01/19	HE 2400 on 10/31/09 - HE 2400 on 12/31/18		1020	WOG Limits
11/04/09-03/31/10	HE 0100 on 11/04/09 - HE 2400 on 03/30/10	2200		Winter System Operating Limits
	HE 0100 on 11/04/09 - HE 2400 on 03/30/10		1350
	HE 0100 on 11/04/09 - HE 2400 on 03/30/10	2000		WOG Winter Limit
11/23/07-01/01/19	HE 0800 on 11/23/07 - HE 2400 on 12/31/18		1350	Path Rating
	HE 2000 on 11/23/07 - HE 0700 on 08/21/09		1350
	HE 2000 on 11/23/07 - HE 2400 on 12/31/18	2000
12/07/09-12/18/09	HE 0800 on 12/07/09 - HE 1400 on 12/18/09	1625		BPA: Hatwai-Dworshak 1 500kV Line

WOH Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (E-W)	MW Limit (W-E)	Reason for Path Reduction
10/31/08-01/01/19	HE 2400 on 10/31/08 - HE 2400 on 12/31/18	4250		West of Hatwai Path Rating

ID-NW @ LaGrande Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (E-W)	MW Limit (W-E)	Reason for Path Reduction
11/23/07-01/01/19	HE 1800 on 11/23/07 - HE 2400 on 12/31/18	413	350	Path Rating
12/07/09-12/11/09	HE 1100 on 12/07/09 - HE 1500 on 12/11/09	363	300	Riley-Harney section of Brasada-Harney 1 115kV Line

Malin-Hilltop Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
11/04/09-03/31/10	HE 0100 on 11/04/09 - HE 2400 on 03/30/10	300	300	Winter Seasonal SOL Limits
11/28/07-01/01/19	HE 0100 on 11/28/07 - HE 2400 on 12/31/18	300	300	Path Rating

North of John Day Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
10/26/09-11/07/09	HE 0800 on 10/26/09 - HE 1700 on 11/07/09	5645		Ponderosa-Summer Lake section of Grizzly-Summer Lake 1 500kV Line
11/04/09-03/31/10	HE 0100 on 11/04/09 - HE 2400 on 03/30/10	7700		Winter Seasonal SOL Limits
11/08/09	HE 0800 - HE 1200	6286		Midpoint-Summer Lake 1 500kV Line
11/16/09-11/19/09	HE 0900 on 11/16/09 - HE 1500 on 11/19/09	5480		Captain Jack-Klamath Cogen 500kV Line and Celilo Converters 3 & 4
11/23/07-01/01/19	HE 1700 on 11/23/07 - HE 2400 on 12/31/18	7800		NOJDAY Path Rating

West of McNary Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (E-W)	MW Limit (W-E)	Reason for Path Reduction
11/23/07-01/01/19	HE 1900 on 11/23/07 - HE 2400 on 12/31/18	2870		Path Rating (RTC)

Echo Lake - Monroe Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
11/23/07-01/01/19	HE 1800 on 11/23/07 - HE 2400 on 12/31/18	1500		Path Rating

Raver - Paul Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
10/26/09-11/06/09	HE 0800 on 10/26/09 - HE 1500 on 11/06/09	550		Raver-Paul 1 500kV Line
	HE 0800 on 10/26/09 - HE 1500 on 11/06/09	440		Raver-Paul 1 500 Line;& Cvngtn 230 West Main Bus incldg 500/230 Bk 4(Forces out Raver-Cvngtn 1 500 Line;Tacoma-Cvngtn 3 & Tacoma-Cvngtn 4 230 Lines&230 Reactive Grp 1. 10/26 08:00-15:00 Cvngtn-PSE White River 2;Cvngtn-PSE Berrydale & Cvngtn-SCL Duwamish 230 Lines also forced out until bus is cut.)
10/27/09-11/06/09	HE 2400 on 10/27/09 - HE 1500 on 11/06/09	3470		Raver-Paul 1 500kV Line
11/14/09-11/15/09	HE 0800 on 11/14/09 - HE 1600 on 11/15/09	1320		Covington 230kV West Main Bus including PCB A-854 (Forces out Covington-SCL Duwamish 1;Covington-PSE White River 2;& Tacoma-Covington 3 230kV Lines.Raver-Covington 1 500kV Line;Tacoma-Covington 4 230kV Lines;& 230kV Reactive Grp 1 are already o/s)
11/23/07-01/01/19	HE 1800 on 11/23/07 - HE 2400 on 12/31/18	1625		Path Rating

Paul - Allston Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
05/27/08-01/01/19	HE 2400 on 05/27/08 - HE 2400 on 12/31/18	2250		Path Rating

South of Allston Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
08/12/09-01/01/11	HE 2400 on 08/12/09 - HE 2300 on 08/17/09	3100		All lines in service (Summer Allocation BPAT: 2186 PGE: 705 PAC: 209)
	HE 2400 on 08/17/09 - HE 2300 on 10/31/09	3100
	HE 2400 on 10/31/09 - HE 2400 on 12/31/10	3100
08/12/09-01/01/20	HE 1400 on 08/12/09 - HE 2300 on 08/17/09	2910		Studied limit (Summer Allocation BPAT: 2052 PGE: 662 PAC: 196)
	HE 2400 on 08/17/09 - HE 2400 on 12/31/19	2910
11/07/09-11/08/09	HE 0900 on 11/07/09 - HE 1600 on 11/08/09	800		Pearl-Keeler 1 500kV Line(Winter Allocation BPAT: 505 PGE: 200 PAC: 95)

North of Hanford Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
11/18/09	HE 0900 - HE 1500	2970		BPA-Grand Coulee-Hanford 1 500kV Line including Hanford PCB's 4083 & 4089
11/23/07-01/01/19	HE 1800 on 11/23/07 - HE 2400 on 12/31/18	4410		Year Round OTC for All Facilities in Service
	HE 1800 on 11/23/07 - HE 2400 on 12/31/18	4100		NOHAN limit

West of Slatt Constraints (last modified Saturday, November 07, 2009, 03:01) Daily/Hourly Limits

Date(s)	Duration	MW Limit (E-W)	MW Limit (W-E)	Reason for Path Reduction
05/31/08-01/01/19	HE 2400 on 05/31/08 - HE 2400 on 12/31/18	4100		Path Rating

For questions or comments, please contact TBL Path Capacity, BPA Transmission Services, 360-418-8496