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 Friday, July 03, 2009, 03:02) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
06/03/09-11/03/09	HE 0100 on 06/03/09 - HE 2400 on 11/02/09	4800	3675	Summer Seasonal SOL Limits
07/01/09-07/07/09	HE 0100 on 07/01/09 - HE 2400 on 07/06/09	4500	2450	Northwest resources
07/07/09	HE 0800 - HE 1600	4225	3675	Round Mountain-Cottonwood 3 230kV Line
07/11/09-07/12/09	HE 0700 on 07/11/09 - HE 1800 on 07/12/09	4050	3675	Tracy-Los Banos 500kV Line
07/11/09-07/13/09	HE 0700 on 07/11/09 - HE 1900 on 07/13/09	4050	3675	Tracy-Los Banos 500kV Line
07/14/09	HE 0700 - HE 1900	4800	3675	Cottonwood-Glen 230kV Line
07/20/09-01/01/19	HE 0100 on 07/20/09 - HE 0100 on 01/01/19		2450	Studied Nomogram COI&PDCI S>N
07/20/09-10/01/11	HE 0100 on 07/20/09 - HE 2400 on 09/30/11	4333		Studied Nomogram COI&PDCI N>S
09/23/09	HE 0700 - HE 1700	3575	3300	Olinda-Tracy 500kV Line
09/25/09	HE 0700 - HE 1400	3600	3675	Olinda-Tracy 500kV Series Capacitors PT6A & PT6B at Tracy
	HE 1200 - HE 1500	4050	3675	Tracy-Los Banos 500kV Line
09/29/09	HE 0900 - HE 1400	3500	3675	Olinda-Tracy 500kV Series Capacitors PT1A & PT1B at Maxwell
10/06/09-10/16/09	HE 0700 on 10/06/09 - HE 1800 on 10/16/09	4050	3675	Tesla-Los Banos 1 500kV Line
11/23/07-01/01/19	HE 1400 on 11/23/07 - HE 2400 on 12/31/18	4800	3675	Path Rating (RTC)

PDCI Constraints (last modified Friday, July 03, 2009, 03:02) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S) NOB	MW Limit (S-N) NOB	Reason for Path Reduction
04/01/09-08/01/09	HE 0100 on 04/01/09 - HE 0100 on 06/01/09	2990	975	LADWP-Station work
	HE 0100 on 04/01/09 - HE 2400 on 04/22/09	2990	975
	HE 0200 on 04/01/09 - HE 0100 on 07/05/09	2990	975
	HE 0200 on 04/01/09 - HE 2400 on 07/31/09	2990	975
04/02/09-12/31/09	HE 0100 on 04/02/09 - HE 2400 on 12/30/09	2990	1070	Celilo Converters 3 and 4
06/03/09-11/03/09	HE 0100 on 06/03/09 - HE 2400 on 11/02/09	2990	2084	Summer Seasonal SOL Limits
07/01/09-07/07/09	HE 0100 on 07/01/09 - HE 2400 on 07/06/09	2990	1904	Northwest resources
07/07/09	HE 0800 - HE 1600	2990	2084	Round Mountain-Cottonwood 3 230kV Line
07/08/09	HE 1200	2990	2084	Midway-Vincent 3 500kV Line
07/11/09-07/12/09	HE 0700 on 07/11/09 - HE 1800 on 07/12/09	2990	2084	Tracy-Los Banos 500kV Line
07/11/09-07/13/09	HE 0700 on 07/11/09 - HE 1900 on 07/13/09	2990	2084	Tracy-Los Banos 500kV Line
07/14/09	HE 0700 - HE 1900	2990	2084	Cottonwood-Glen 230kV Line
07/20/09-01/01/19	HE 0100 on 07/20/09 - HE 0100 on 01/01/19		1904	Studied Nomogram COI&PDCI S>N
07/20/09-10/01/11	HE 0100 on 07/20/09 - HE 2400 on 09/30/11	2712		Studied Nomogram COI&PDCI N>S
07/25/09	HE 0500 - HE 2100	0	0	Sylmar Converter Station
07/26/09	HE 0500 - HE 2100	0	0	Sylmar Converter Station
09/14/09-09/19/09	HE 0600 on 09/14/09 - HE 1800 on 09/19/09	2990	2084	Moss Landing-Metcalf 500kV Line
09/23/09	HE 0700 - HE 1700	2990	2084	Olinda-Tracy 500kV Line
09/24/09	HE 1400 - HE 1700	2990	2084	Tesla-Tracy 500kV Line
09/25/09	HE 0700 - HE 1400	2990	2084	Olinda-Tracy 500kV Series Capacitors PT6A & PT6B at Tracy
	HE 1200 - HE 1500	2990	2084	Tracy-Los Banos 500kV Line
09/29/09	HE 0900 - HE 1400	2990	2084	Olinda-Tracy 500kV Series Capacitors PT1A & PT1B at Maxwell
10/06/09-10/16/09	HE 0700 on 10/06/09 - HE 1800 on 10/16/09	2990	2084	Tesla-Los Banos 1 500kV Line
11/23/07-01/01/19	HE 1500 on 11/23/07 - HE 0100 on 01/01/19	2990	2084	Path Rating
	HE 1900 on 11/23/07 - HE 0100 on 01/01/19		2084	ICLTS Load tripping capability beginning June 6 2004 and still in effect.

WNI Constraints

Northern Intertie Nomograms (updated Thursday, July 02, 2009, 08:04)

(last modified Friday, July 03, 2009, 03:02) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
06/28/09-07/10/09	HE 0100 - HE 1600 Daily		2000	PSE-Maple Valley-Talbot 1 230kV Line(daily)
	HE 0100 Daily	2526
	HE 0200 Daily	2574
	HE 0300 - HE 0500 Daily	2622
	HE 0600 Daily	2526
	HE 0700 Daily	2522
	HE 0800 Daily	2463
	HE 0900 Daily	2405
	HE 1000 Daily	2378
	HE 1100 Daily	2396
	HE 1200 Daily	2373
	HE 1300 - HE 1400 Daily	2439
	HE 1500 - HE 1600 Daily	2528
	HE 1700 - HE 1600 Daily		2000
	HE 1700 - HE 1800 Daily	2475
	HE 1900 Daily	2397
	HE 2000 Daily	2422
	HE 2100 Daily	2404
	HE 2200 Daily	2378
	HE 2300 Daily	2438
	HE 2400 Daily	2521
06/30/09-08/30/09	HE 0100 on 06/30/09 - HE 1600 on 08/30/09	2000	2000	BCTC-Selkirk T1 Transformer Estimated Time of Return Unknown
	HE 0100 on 06/30/09 - HE 2400 on 07/06/09	2000	2000
07/02/09-07/03/09	HE 0100 on 07/02/09 on 07/02/09	1041	1704	Preschedule Forecast 7/2
	HE 0200 on 07/02/09 on 07/02/09	905	1558
	HE 0300 on 07/02/09 on 07/02/09	757	1440
	HE 0400 on 07/02/09 on 07/02/09	701	1386
	HE 0500 on 07/02/09 on 07/02/09	713	1414
	HE 0600 on 07/02/09 on 07/02/09	875	1540
	HE 0700 on 07/02/09 on 07/02/09	1145	1653
	HE 0800 on 07/02/09 - HE 2400 on 07/02/09		1950
	HE 0800 on 07/02/09 on 07/02/09	1502
	HE 0900 on 07/02/09 on 07/02/09	1711
	HE 1000 on 07/02/09 on 07/02/09	1822
	HE 1100 on 07/02/09 on 07/02/09	1877
	HE 1200 on 07/02/09 on 07/02/09	1905
	HE 1300 on 07/02/09 on 07/02/09	1931
	HE 1400 on 07/02/09 on 07/02/09	1950
	HE 1500 on 07/02/09 on 07/02/09	1945
	HE 1600 on 07/02/09 - HE 1700 on 07/02/09	1939
	HE 1800 on 07/02/09 on 07/02/09	1907
	HE 1900 on 07/02/09 on 07/02/09	1797
	HE 2000 on 07/02/09 on 07/02/09	1724
	HE 2100 on 07/02/09 on 07/02/09	1714
	HE 2200 on 07/02/09 on 07/02/09	1748
	HE 2300 on 07/02/09 on 07/02/09	1606
	HE 2400 on 07/02/09 on 07/02/09	1303
07/03/09-07/04/09	HE 0100 on 07/03/09 - HE 0500 on 07/03/09		1950	Preschedule forecast for 7/3/09
	HE 0100 on 07/03/09 on 07/03/09	1083
	HE 0200 on 07/03/09 on 07/03/09	959
	HE 0300 on 07/03/09 on 07/03/09	825
	HE 0400 on 07/03/09 on 07/03/09	733
	HE 0500 on 07/03/09 on 07/03/09	711
	HE 0600 on 07/03/09 on 07/03/09	771	1917
	HE 0700 on 07/03/09 on 07/03/09	1054	1920
	HE 0800 on 07/03/09 - HE 2400 on 07/03/09		1950
	HE 0800 on 07/03/09 on 07/03/09	1365
	HE 0900 on 07/03/09 on 07/03/09	1642
	HE 1000 on 07/03/09 on 07/03/09	1804
	HE 1100 on 07/03/09 on 07/03/09	1918
	HE 1200 on 07/03/09 - HE 1700 on 07/03/09	1950
	HE 1800 on 07/03/09 on 07/03/09	1942
	HE 1900 on 07/03/09 on 07/03/09	1820
	HE 2000 on 07/03/09 on 07/03/09	1721
	HE 2100 on 07/03/09 on 07/03/09	1668
	HE 2200 on 07/03/09 on 07/03/09	1654
	HE 2300 on 07/03/09 on 07/03/09	1557
	HE 2400 on 07/03/09 on 07/03/09	1307
07/04/09-07/05/09	HE 0100 on 07/04/09 - HE 0500 on 07/04/09		1950	Preschedule forecast for 7/4/09
	HE 0100 on 07/04/09 on 07/04/09	1083
	HE 0200 on 07/04/09 on 07/04/09	957
	HE 0300 on 07/04/09 on 07/04/09	807
	HE 0400 on 07/04/09 on 07/04/09	718
	HE 0500 on 07/04/09 on 07/04/09	669
	HE 0600 on 07/04/09 on 07/04/09	581	1808
	HE 0700 on 07/04/09 on 07/04/09	678	1647
	HE 0800 on 07/04/09 on 07/04/09	1003	1859
	HE 0900 on 07/04/09 - HE 2400 on 07/04/09		1950
	HE 0900 on 07/04/09 on 07/04/09	1264
	HE 1000 on 07/04/09 on 07/04/09	1456
	HE 1100 on 07/04/09 on 07/04/09	1569
	HE 1200 on 07/04/09 - HE 1400 on 07/04/09	1628
	HE 1500 on 07/04/09 on 07/04/09	1609
	HE 1600 on 07/04/09 on 07/04/09	1588
	HE 1700 on 07/04/09 on 07/04/09	1582
	HE 1800 on 07/04/09 on 07/04/09	1602
	HE 1900 on 07/04/09 on 07/04/09	1537
	HE 2000 on 07/04/09 on 07/04/09	1479
	HE 2100 on 07/04/09 on 07/04/09	1447
	HE 2200 on 07/04/09 on 07/04/09	1458
	HE 2300 on 07/04/09 on 07/04/09	1401
	HE 2400 on 07/04/09 on 07/04/09	1196
07/05/09-07/06/09	HE 0100 on 07/05/09 - HE 0500 on 07/05/09		1950	Preschedule forecast for 7/5/09
	HE 0100 on 07/05/09 on 07/05/09	1021
	HE 0200 on 07/05/09 on 07/05/09	879
	HE 0300 on 07/05/09 on 07/05/09	741
	HE 0400 on 07/05/09 on 07/05/09	654
	HE 0500 on 07/05/09 on 07/05/09	615
	HE 0600 on 07/05/09 - HE 0700 on 07/05/09	550
	HE 0600 on 07/05/09 on 07/05/09		1767
	HE 0700 on 07/05/09 on 07/05/09		1574
	HE 0800 on 07/05/09 on 07/05/09	802	1713
	HE 0900 on 07/05/09 on 07/05/09	1108	1891
	HE 1000 on 07/05/09 - HE 2400 on 07/05/09		1950
	HE 1000 on 07/05/09 on 07/05/09	1295
	HE 1100 on 07/05/09 on 07/05/09	1416
	HE 1200 on 07/05/09 on 07/05/09	1486
	HE 1300 on 07/05/09 on 07/05/09	1490
	HE 1400 on 07/05/09 on 07/05/09	1484
	HE 1500 on 07/05/09 on 07/05/09	1467
	HE 1600 on 07/05/09 on 07/05/09	1453
	HE 1700 on 07/05/09 on 07/05/09	1461
	HE 1800 on 07/05/09 on 07/05/09	1522
	HE 1900 on 07/05/09 on 07/05/09	1516
	HE 2000 on 07/05/09 on 07/05/09	1495
	HE 2100 on 07/05/09 on 07/05/09	1492
	HE 2200 on 07/05/09 on 07/05/09	1507
	HE 2300 on 07/05/09 on 07/05/09	1424
	HE 2400 on 07/05/09 on 07/05/09	1181
07/06/09-07/07/09	HE 0100 on 07/06/09 - HE 0600 on 07/06/09		1950	Preschedule forecast for 7/6/09
	HE 0100 on 07/06/09 on 07/06/09	998
	HE 0200 on 07/06/09 on 07/06/09	847
	HE 0300 on 07/06/09 on 07/06/09	739
	HE 0400 on 07/06/09 on 07/06/09	697
	HE 0500 on 07/06/09 on 07/06/09	727
	HE 0600 on 07/06/09 on 07/06/09	835
	HE 0700 on 07/06/09 on 07/06/09	1121	1922
	HE 0800 on 07/06/09 - HE 2400 on 07/06/09		1950
	HE 0800 on 07/06/09 on 07/06/09	1458
	HE 0900 on 07/06/09 on 07/06/09	1687
	HE 1000 on 07/06/09 on 07/06/09	1814
	HE 1100 on 07/06/09 on 07/06/09	1903
	HE 1200 on 07/06/09 on 07/06/09	1939
	HE 1300 on 07/06/09 on 07/06/09	1944
	HE 1400 on 07/06/09 on 07/06/09	1950
	HE 1500 on 07/06/09 on 07/06/09	1945
	HE 1600 on 07/06/09 on 07/06/09	1904
	HE 1700 on 07/06/09 on 07/06/09	1886
	HE 1800 on 07/06/09 on 07/06/09	1909
	HE 1900 on 07/06/09 on 07/06/09	1837
	HE 2000 on 07/06/09 on 07/06/09	1762
	HE 2100 on 07/06/09 on 07/06/09	1707
	HE 2200 on 07/06/09 on 07/06/09	1694
	HE 2300 on 07/06/09 on 07/06/09	1573
	HE 2400 on 07/06/09 on 07/06/09	1282
07/06/09-07/08/09	HE 0100 Daily	2421		BPA-Custer 500/230kV Bank 2(Daily)
	HE 0200 Daily	2451
	HE 0300 - HE 0500 Daily	2482
	HE 0600 Daily	2421
	HE 0700 Daily	2502
	HE 0800 - HE 1200 Daily		2000
	HE 0800 Daily	2475
	HE 0900 Daily	2462
	HE 1000 Daily	2453
	HE 1100 Daily	2493
	HE 1200 Daily	2490
	HE 1300 - HE 1400 Daily	2456
	HE 1500 - HE 1600 Daily	2426
	HE 1700 - HE 1800 Daily	2453
	HE 1900 Daily	2476
	HE 2000 Daily	2481
	HE 2100 Daily	2479
	HE 2200 Daily	2472
	HE 2300 Daily	2474
	HE 2400 Daily	2583
07/06/09-07/13/09	HE 0100 Daily	2537		SCL-Bothell-University 115kV Line(Actual end date/time is 22JUL09 @ 1700)(Daily)
	HE 0200 Daily	2585
	HE 0300 - HE 0500 Daily	2633
	HE 0600 Daily	2537
	HE 0700 Daily	2528
	HE 0800 - HE 2400 Daily		2000
	HE 0800 Daily	2470
	HE 0900 Daily	2411
	HE 1000 Daily	2384
	HE 1100 Daily	2400
	HE 1200 Daily	2377
	HE 1300 - HE 1400 Daily	2443
	HE 1500 - HE 1600 Daily	2509
	HE 1700 - HE 1800 Daily	2456
	HE 1900 Daily	2397
	HE 2000 Daily	2422
	HE 2100 Daily	2405
	HE 2200 Daily	2379
	HE 2300 Daily	2442
	HE 2400 Daily	2525
07/07/09-07/08/09	HE 0100 - HE 1200 Daily		2000	BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 0100 Daily	2173
	HE 0100 on 07/07/09 - HE 2400 on 07/07/09		1950	Preschedule forecast for 7/7/09
	HE 0100 on 07/07/09 on 07/07/09	1078
	HE 0200 Daily	2231		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 0200 on 07/07/09 on 07/07/09	971		Preschedule forecast for 7/7/09
	HE 0300 - HE 0500 Daily	2290		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 0300 on 07/07/09 on 07/07/09	843		Preschedule forecast for 7/7/09
	HE 0400 on 07/07/09 on 07/07/09	767
	HE 0500 on 07/07/09 on 07/07/09	811
	HE 0600 Daily	2173		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 0600 on 07/07/09 on 07/07/09	919		Preschedule forecast for 7/7/09
	HE 0700 Daily	2124		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 0700 on 07/07/09 on 07/07/09	1141		Preschedule forecast for 7/7/09
	HE 0800 Daily	1973		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 0800 on 07/07/09 on 07/07/09	1459		Preschedule forecast for 7/7/09
	HE 0900 Daily	2094		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 0900 on 07/07/09 on 07/07/09	1672		Preschedule forecast for 7/7/09
	HE 1000 Daily	2029		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 1000 on 07/07/09 on 07/07/09	1766		Preschedule forecast for 7/7/09
	HE 1100 - HE 1200 Daily	2240		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 1100 on 07/07/09 on 07/07/09	1822		Preschedule forecast for 7/7/09
	HE 1200 on 07/07/09 on 07/07/09	1838
	HE 1300 Daily	2291		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 1300 on 07/07/09 on 07/07/09	1839		Preschedule forecast for 7/7/09
	HE 1400 Daily	2305		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 1400 on 07/07/09 on 07/07/09	1841		Preschedule forecast for 7/7/09
	HE 1500 - HE 1600 Daily	2171		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 1500 on 07/07/09 on 07/07/09	1837		Preschedule forecast for 7/7/09
	HE 1600 on 07/07/09 on 07/07/09	1799
	HE 1700 - HE 1800 Daily	2323		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 1700 on 07/07/09 on 07/07/09	1771		Preschedule forecast for 7/7/09
	HE 1800 on 07/07/09 on 07/07/09	1764
	HE 1900 - HE 2000 Daily	2289		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 1900 on 07/07/09 on 07/07/09	1659		Preschedule forecast for 7/7/09
	HE 2000 on 07/07/09 on 07/07/09	1584
	HE 2100 Daily	2254		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 2100 on 07/07/09 on 07/07/09	1570		Preschedule forecast for 7/7/09
	HE 2200 Daily	2235		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 2200 on 07/07/09 on 07/07/09	1624		Preschedule forecast for 7/7/09
	HE 2300 Daily	2089		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 2300 on 07/07/09 on 07/07/09	1536		Preschedule forecast for 7/7/09
	HE 2400 Daily	2197		BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 2400 on 07/07/09 on 07/07/09	1260		Preschedule forecast for 7/7/09
07/07/09-07/10/09	HE 0100 - HE 1600 Daily		2000	SCL-Bothell-University 115kV Line;and BPA-Monroe PCB 4672 (and PCB 4522)(daily)
	HE 0100 Daily	2577
	HE 0200 Daily	2611
	HE 0300 - HE 0500 Daily	2645
	HE 0600 Daily	2577
	HE 0700 Daily	2559
	HE 0800 Daily	2470
	HE 0900 Daily	2438
	HE 1000 Daily	2385
	HE 1100 - HE 1200 Daily	2415
	HE 1300 Daily	2472
	HE 1400 Daily	2523
	HE 1500 - HE 1600 Daily	2493
	HE 1700 - HE 1800 Daily	2523
	HE 1900 - HE 2000 Daily	2480
	HE 2100 Daily	2437
	HE 2200 Daily	2413
	HE 2300 Daily	2460
	HE 2400 Daily	2541
07/08/09-07/10/09	HE 0100 Daily	2337		BPA-Custer 500/230V bank 1; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 0200 Daily	2399
	HE 0300 - HE 0500 Daily	2461
	HE 0600 Daily	2337
	HE 0700 Daily	2261
	HE 0800 Daily	2088
	HE 0900 Daily	2186
	HE 1000 Daily	2099
	HE 1100 - HE 1200 Daily	2303
	HE 1300 - HE 1600 Daily		2000
	HE 1300 Daily	2408
	HE 1300 on 07/08/09 - HE 1700 on 07/10/09	2850	2000	BPA-Custer 500/230kV Bank 1
	HE 1400 Daily	2434		BPA-Custer 500/230V bank 1; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
	HE 1500 - HE 1600 Daily	2323
	HE 1700 - HE 1800 Daily	2475
	HE 1900 - HE 2000 Daily	2399
	HE 2100 Daily	2321
	HE 2200 Daily	2289
	HE 2300 Daily	2193
	HE 2400 Daily	2333
07/20/09-01/01/19	HE 0100 on 07/20/09 - HE 0100 on 01/01/19	1571	1331	Studied Nomogram Limits-NI
11/23/07-01/01/19	HE 1900 on 11/23/07 - HE 0100 on 01/01/19	2850	2000	Path Rating

ENI Constraints (last modified Friday, July 03, 2009, 03:02) 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 on 01/01/19	400	400	Path Rating
	HE 0200 on 02/01/08 - HE 2400 on 12/31/18	400	400
06/30/09-08/30/09	HE 0100 on 06/30/09 - HE 1600 on 08/30/09	400	0	BCTC-Selkirk T1 Transformer Estimated Time of Return Unknown
	HE 0100 on 06/30/09 - HE 2400 on 07/06/09	400	0

MTNW Constraints (last modified Friday, July 03, 2009, 03:02) Daily/Hourly Limits

Date(s)	Duration	MW Limit (E-W)	MW Limit (W-E)	Reason for Path Reduction
06/02/09-11/01/09	HE 0100 on 06/02/09 - HE 2400 on 10/31/09	2000		Summer System Limits
	HE 0100 on 06/02/09 - HE 2400 on 10/31/09		1250	Summer System Operating Limits
11/01/09-01/01/19	HE 0100 on 11/01/09 - HE 0100 on 01/01/19		1020	WOG Limits
11/23/07-01/01/19	HE 2100 on 11/23/07 - HE 0100 on 01/01/19	2000		Path Rating
	HE 2100 on 11/23/07 - HE 0100 on 01/01/19		1350

WOH Constraints (last modified Friday, July 03, 2009, 03:02) Daily/Hourly Limits

Date(s)	Duration	MW Limit (E-W)	MW Limit (W-E)	Reason for Path Reduction
11/01/08-01/01/19	HE 0100 on 11/01/08 - HE 0100 on 01/01/19	4250		West of Hatwai Path Rating

ID-NW @ LaGrande Constraints (last modified Friday, July 03, 2009, 03:02) 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 0100 on 01/01/19	413	350	Path Rating

Malin-Hilltop Constraints (last modified Friday, July 03, 2009, 03:02) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
06/03/09-11/03/09	HE 0100 on 06/03/09 - HE 2400 on 11/02/09	300	300	Summer Seasonal SOL Limits
11/28/07-01/01/19	HE 0200 on 11/28/07 - HE 0100 on 01/01/19	300	300	Path Rating

North of John Day Constraints (last modified Friday, July 03, 2009, 03:02) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
06/03/09-11/03/09	HE 0100 on 06/03/09 - HE 2400 on 11/02/09	7800		Summer Seasonal SOL Limits
06/16/09-07/31/09	HE 0100 on 06/16/09 - HE 2400 on 07/30/09	7800		IPC-Midpoint 500kV Series capacitors
07/01/09-07/07/09	HE 0100 on 07/01/09 - HE 2400 on 07/06/09	7800		Northwest resources
11/23/07-01/01/19	HE 1800 on 11/23/07 - HE 0100 on 01/01/19	7800		NOJDAY Path Rating

West of McNary Constraints (last modified Friday, July 03, 2009, 03:02) 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 2000 on 11/23/07 - HE 0100 on 01/01/19	2870		Path Rating (RTC)

Echo Lake - Monroe Constraints (last modified Friday, July 03, 2009, 03:03) 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 1900 on 11/23/07 - HE 0100 on 01/01/19	1500		Path Rating

Raver - Paul Constraints (last modified Friday, July 03, 2009, 03:03) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
06/01/09-08/26/09	HE 0600 on 06/01/09 - HE 1800 on 08/26/09	1450		Olympia-Grand Coulee 1 287kV Line Out of Service or at 230kV Operation
07/08/09	HE 0800 - HE 1600	1130		Tacoma-Cowlitz 1 230kV Line
07/13/09-07/17/09	HE 0900 - HE 1500 Daily	1420		Olympia-Grand Coulee 1 287kV Line operating at 230kV Olympia-Shelton 3 230kV Line Olympia-South Tacoma 1 230kV Line and Olympia-Shelton 1 115kV Line (Daily)
07/13/09-07/19/09	HE 0800 on 07/13/09 - HE 1600 on 07/19/09	1500		Olympia-Grand Coulee 1 287kV Line operating at 230kV Olympia-Shelton 3 230kV Line and Olympia-Shelton 1 115kV Line
11/23/07-01/01/19	HE 1900 on 11/23/07 - HE 0100 on 01/01/19	1625		Path Rating

Paul - Allston Constraints (last modified Friday, July 03, 2009, 03:03) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
05/28/08-01/01/19	HE 0100 on 05/28/08 - HE 0100 on 01/01/19	2250		Path Rating
06/29/09-07/02/09	HE 0900 - HE 1700 Daily	2080		South Elma-Satsop Park 1 115kV Line (Daily)
07/06/09-07/10/09	HE 0900 on 07/06/09 - HE 1700 on 07/10/09	1430		Satsop Park-Aberdeen section or Aberdeen-Cosmopolis section of Satsop Park-Cosmopolis 1 115kV Line; and/or Oxbow-Naselle section of Holcomb-Naselle 1 115kV Line
07/16/09-07/17/09	HE 0900 on 07/16/09 - HE 1700 on 07/17/09	2080		Satsop-Aberdeen 3 230kV Line

South of Allston Constraints (last modified Friday, July 03, 2009, 03:03) Daily/Hourly Limits

Date(s)	Duration	MW Limit (N-S)	MW Limit (S-N)	Reason for Path Reduction
06/01/09-01/01/19	HE 0100 on 06/01/09 - HE 0100 on 01/01/19	2910		Studied Limit (Summer Allocation BPAT: 2052 PGE: 662 PAC: 196)

North of Hanford Constraints (last modified Friday, July 03, 2009, 03:03) 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 1900 on 11/23/07 - HE 0100 on 01/01/19	4410		Year Round OTC for All Facilities in Service
	HE 1900 on 11/23/07 - HE 0100 on 01/01/19	4100		NOHAN limit

West of Slatt Constraints (last modified Friday, July 03, 2009, 03:03) Daily/Hourly Limits

Date(s)	Duration	MW Limit (E-W)	MW Limit (W-E)	Reason for Path Reduction
06/01/08-01/01/19	HE 0100 on 06/01/08 - HE 0100 on 01/01/19	4100		Path Rating

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