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
06/03/09-11/03/09HE 0100 on 06/03/09 - HE 2400 on 11/02/0948003675Summer Seasonal SOL Limits
07/01/09-07/07/09HE 0100 on 07/01/09 - HE 2400 on 07/06/0945002450Northwest resources
07/07/09HE 0800 - HE 160042253675Round Mountain-Cottonwood 3 230kV Line
07/11/09-07/12/09HE 0700 on 07/11/09 - HE 1800 on 07/12/0940503675Tracy-Los Banos 500kV Line
07/11/09-07/13/09HE 0700 on 07/11/09 - HE 1900 on 07/13/0940503675Tracy-Los Banos 500kV Line
07/14/09HE 0700 - HE 190048003675Cottonwood-Glen 230kV Line
07/20/09-01/01/19HE 0100 on 07/20/09 - HE 0100 on 01/01/192450Studied Nomogram COI&PDCI S>N
07/20/09-10/01/11HE 0100 on 07/20/09 - HE 2400 on 09/30/114333Studied Nomogram COI&PDCI N>S
09/23/09HE 0700 - HE 170035753300Olinda-Tracy 500kV Line
09/25/09HE 0700 - HE 140036003675Olinda-Tracy 500kV Series Capacitors PT6A & PT6B at Tracy
 HE 1200 - HE 150040503675Tracy-Los Banos 500kV Line
09/29/09HE 0900 - HE 140035003675Olinda-Tracy 500kV Series Capacitors PT1A & PT1B at Maxwell
10/06/09-10/16/09HE 0700 on 10/06/09 - HE 1800 on 10/16/0940503675Tesla-Los Banos 1 500kV Line
11/23/07-01/01/19HE 1400 on 11/23/07 - HE 2400 on 12/31/1848003675Path 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
04/01/09-08/01/09HE 0100 on 04/01/09 - HE 0100 on 06/01/092990975LADWP-Station work
 HE 0100 on 04/01/09 - HE 2400 on 04/22/092990975 
 HE 0200 on 04/01/09 - HE 0100 on 07/05/092990975 
 HE 0200 on 04/01/09 - HE 2400 on 07/31/092990975 
04/02/09-12/31/09HE 0100 on 04/02/09 - HE 2400 on 12/30/0929901070Celilo Converters 3 and 4
06/03/09-11/03/09HE 0100 on 06/03/09 - HE 2400 on 11/02/0929902084Summer Seasonal SOL Limits
07/01/09-07/07/09HE 0100 on 07/01/09 - HE 2400 on 07/06/0929901904Northwest resources
07/07/09HE 0800 - HE 160029902084Round Mountain-Cottonwood 3 230kV Line
07/08/09HE 120029902084Midway-Vincent 3 500kV Line
07/11/09-07/12/09HE 0700 on 07/11/09 - HE 1800 on 07/12/0929902084Tracy-Los Banos 500kV Line
07/11/09-07/13/09HE 0700 on 07/11/09 - HE 1900 on 07/13/0929902084Tracy-Los Banos 500kV Line
07/14/09HE 0700 - HE 190029902084Cottonwood-Glen 230kV Line
07/20/09-01/01/19HE 0100 on 07/20/09 - HE 0100 on 01/01/191904Studied Nomogram COI&PDCI S>N
07/20/09-10/01/11HE 0100 on 07/20/09 - HE 2400 on 09/30/112712Studied Nomogram COI&PDCI N>S
07/25/09HE 0500 - HE 210000Sylmar Converter Station
07/26/09HE 0500 - HE 210000Sylmar Converter Station
09/14/09-09/19/09HE 0600 on 09/14/09 - HE 1800 on 09/19/0929902084Moss Landing-Metcalf 500kV Line
09/23/09HE 0700 - HE 170029902084Olinda-Tracy 500kV Line
09/24/09HE 1400 - HE 170029902084Tesla-Tracy 500kV Line
09/25/09HE 0700 - HE 140029902084Olinda-Tracy 500kV Series Capacitors PT6A & PT6B at Tracy
 HE 1200 - HE 150029902084Tracy-Los Banos 500kV Line
09/29/09HE 0900 - HE 140029902084Olinda-Tracy 500kV Series Capacitors PT1A & PT1B at Maxwell
10/06/09-10/16/09HE 0700 on 10/06/09 - HE 1800 on 10/16/0929902084Tesla-Los Banos 1 500kV Line
11/23/07-01/01/19HE 1500 on 11/23/07 - HE 0100 on 01/01/1929902084Path Rating
 HE 1900 on 11/23/07 - HE 0100 on 01/01/192084ICLTS 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
06/28/09-07/10/09HE 0100 - HE 1600 Daily2000PSE-Maple Valley-Talbot 1 230kV Line(daily)
 HE 0100 Daily2526 
 HE 0200 Daily2574 
 HE 0300 - HE 0500 Daily2622 
 HE 0600 Daily2526 
 HE 0700 Daily2522 
 HE 0800 Daily2463 
 HE 0900 Daily2405 
 HE 1000 Daily2378 
 HE 1100 Daily2396 
 HE 1200 Daily2373 
 HE 1300 - HE 1400 Daily2439 
 HE 1500 - HE 1600 Daily2528 
 HE 1700 - HE 1600 Daily2000 
 HE 1700 - HE 1800 Daily2475 
 HE 1900 Daily2397 
 HE 2000 Daily2422 
 HE 2100 Daily2404 
 HE 2200 Daily2378 
 HE 2300 Daily2438 
 HE 2400 Daily2521 
06/30/09-08/30/09HE 0100 on 06/30/09 - HE 1600 on 08/30/0920002000BCTC-Selkirk T1 Transformer Estimated Time of Return Unknown
 HE 0100 on 06/30/09 - HE 2400 on 07/06/0920002000 
07/02/09-07/03/09HE 0100 on 07/02/09 on 07/02/0910411704Preschedule Forecast 7/2
 HE 0200 on 07/02/09 on 07/02/099051558 
 HE 0300 on 07/02/09 on 07/02/097571440 
 HE 0400 on 07/02/09 on 07/02/097011386 
 HE 0500 on 07/02/09 on 07/02/097131414 
 HE 0600 on 07/02/09 on 07/02/098751540 
 HE 0700 on 07/02/09 on 07/02/0911451653 
 HE 0800 on 07/02/09 - HE 2400 on 07/02/091950 
 HE 0800 on 07/02/09 on 07/02/091502 
 HE 0900 on 07/02/09 on 07/02/091711 
 HE 1000 on 07/02/09 on 07/02/091822 
 HE 1100 on 07/02/09 on 07/02/091877 
 HE 1200 on 07/02/09 on 07/02/091905 
 HE 1300 on 07/02/09 on 07/02/091931 
 HE 1400 on 07/02/09 on 07/02/091950 
 HE 1500 on 07/02/09 on 07/02/091945 
 HE 1600 on 07/02/09 - HE 1700 on 07/02/091939 
 HE 1800 on 07/02/09 on 07/02/091907 
 HE 1900 on 07/02/09 on 07/02/091797 
 HE 2000 on 07/02/09 on 07/02/091724 
 HE 2100 on 07/02/09 on 07/02/091714 
 HE 2200 on 07/02/09 on 07/02/091748 
 HE 2300 on 07/02/09 on 07/02/091606 
 HE 2400 on 07/02/09 on 07/02/091303 
07/03/09-07/04/09HE 0100 on 07/03/09 - HE 0500 on 07/03/091950Preschedule forecast for 7/3/09
 HE 0100 on 07/03/09 on 07/03/091083 
 HE 0200 on 07/03/09 on 07/03/09959 
 HE 0300 on 07/03/09 on 07/03/09825 
 HE 0400 on 07/03/09 on 07/03/09733 
 HE 0500 on 07/03/09 on 07/03/09711 
 HE 0600 on 07/03/09 on 07/03/097711917 
 HE 0700 on 07/03/09 on 07/03/0910541920 
 HE 0800 on 07/03/09 - HE 2400 on 07/03/091950 
 HE 0800 on 07/03/09 on 07/03/091365 
 HE 0900 on 07/03/09 on 07/03/091642 
 HE 1000 on 07/03/09 on 07/03/091804 
 HE 1100 on 07/03/09 on 07/03/091918 
 HE 1200 on 07/03/09 - HE 1700 on 07/03/091950 
 HE 1800 on 07/03/09 on 07/03/091942 
 HE 1900 on 07/03/09 on 07/03/091820 
 HE 2000 on 07/03/09 on 07/03/091721 
 HE 2100 on 07/03/09 on 07/03/091668 
 HE 2200 on 07/03/09 on 07/03/091654 
 HE 2300 on 07/03/09 on 07/03/091557 
 HE 2400 on 07/03/09 on 07/03/091307 
07/04/09-07/05/09HE 0100 on 07/04/09 - HE 0500 on 07/04/091950Preschedule forecast for 7/4/09
 HE 0100 on 07/04/09 on 07/04/091083 
 HE 0200 on 07/04/09 on 07/04/09957 
 HE 0300 on 07/04/09 on 07/04/09807 
 HE 0400 on 07/04/09 on 07/04/09718 
 HE 0500 on 07/04/09 on 07/04/09669 
 HE 0600 on 07/04/09 on 07/04/095811808 
 HE 0700 on 07/04/09 on 07/04/096781647 
 HE 0800 on 07/04/09 on 07/04/0910031859 
 HE 0900 on 07/04/09 - HE 2400 on 07/04/091950 
 HE 0900 on 07/04/09 on 07/04/091264 
 HE 1000 on 07/04/09 on 07/04/091456 
 HE 1100 on 07/04/09 on 07/04/091569 
 HE 1200 on 07/04/09 - HE 1400 on 07/04/091628 
 HE 1500 on 07/04/09 on 07/04/091609 
 HE 1600 on 07/04/09 on 07/04/091588 
 HE 1700 on 07/04/09 on 07/04/091582 
 HE 1800 on 07/04/09 on 07/04/091602 
 HE 1900 on 07/04/09 on 07/04/091537 
 HE 2000 on 07/04/09 on 07/04/091479 
 HE 2100 on 07/04/09 on 07/04/091447 
 HE 2200 on 07/04/09 on 07/04/091458 
 HE 2300 on 07/04/09 on 07/04/091401 
 HE 2400 on 07/04/09 on 07/04/091196 
07/05/09-07/06/09HE 0100 on 07/05/09 - HE 0500 on 07/05/091950Preschedule forecast for 7/5/09
 HE 0100 on 07/05/09 on 07/05/091021 
 HE 0200 on 07/05/09 on 07/05/09879 
 HE 0300 on 07/05/09 on 07/05/09741 
 HE 0400 on 07/05/09 on 07/05/09654 
 HE 0500 on 07/05/09 on 07/05/09615 
 HE 0600 on 07/05/09 - HE 0700 on 07/05/09550 
 HE 0600 on 07/05/09 on 07/05/091767 
 HE 0700 on 07/05/09 on 07/05/091574 
 HE 0800 on 07/05/09 on 07/05/098021713 
 HE 0900 on 07/05/09 on 07/05/0911081891 
 HE 1000 on 07/05/09 - HE 2400 on 07/05/091950 
 HE 1000 on 07/05/09 on 07/05/091295 
 HE 1100 on 07/05/09 on 07/05/091416 
 HE 1200 on 07/05/09 on 07/05/091486 
 HE 1300 on 07/05/09 on 07/05/091490 
 HE 1400 on 07/05/09 on 07/05/091484 
 HE 1500 on 07/05/09 on 07/05/091467 
 HE 1600 on 07/05/09 on 07/05/091453 
 HE 1700 on 07/05/09 on 07/05/091461 
 HE 1800 on 07/05/09 on 07/05/091522 
 HE 1900 on 07/05/09 on 07/05/091516 
 HE 2000 on 07/05/09 on 07/05/091495 
 HE 2100 on 07/05/09 on 07/05/091492 
 HE 2200 on 07/05/09 on 07/05/091507 
 HE 2300 on 07/05/09 on 07/05/091424 
 HE 2400 on 07/05/09 on 07/05/091181 
07/06/09-07/07/09HE 0100 on 07/06/09 - HE 0600 on 07/06/091950Preschedule forecast for 7/6/09
 HE 0100 on 07/06/09 on 07/06/09998 
 HE 0200 on 07/06/09 on 07/06/09847 
 HE 0300 on 07/06/09 on 07/06/09739 
 HE 0400 on 07/06/09 on 07/06/09697 
 HE 0500 on 07/06/09 on 07/06/09727 
 HE 0600 on 07/06/09 on 07/06/09835 
 HE 0700 on 07/06/09 on 07/06/0911211922 
 HE 0800 on 07/06/09 - HE 2400 on 07/06/091950 
 HE 0800 on 07/06/09 on 07/06/091458 
 HE 0900 on 07/06/09 on 07/06/091687 
 HE 1000 on 07/06/09 on 07/06/091814 
 HE 1100 on 07/06/09 on 07/06/091903 
 HE 1200 on 07/06/09 on 07/06/091939 
 HE 1300 on 07/06/09 on 07/06/091944 
 HE 1400 on 07/06/09 on 07/06/091950 
 HE 1500 on 07/06/09 on 07/06/091945 
 HE 1600 on 07/06/09 on 07/06/091904 
 HE 1700 on 07/06/09 on 07/06/091886 
 HE 1800 on 07/06/09 on 07/06/091909 
 HE 1900 on 07/06/09 on 07/06/091837 
 HE 2000 on 07/06/09 on 07/06/091762 
 HE 2100 on 07/06/09 on 07/06/091707 
 HE 2200 on 07/06/09 on 07/06/091694 
 HE 2300 on 07/06/09 on 07/06/091573 
 HE 2400 on 07/06/09 on 07/06/091282 
07/06/09-07/08/09HE 0100 Daily2421BPA-Custer 500/230kV Bank 2(Daily)
 HE 0200 Daily2451 
 HE 0300 - HE 0500 Daily2482 
 HE 0600 Daily2421 
 HE 0700 Daily2502 
 HE 0800 - HE 1200 Daily2000 
 HE 0800 Daily2475 
 HE 0900 Daily2462 
 HE 1000 Daily2453 
 HE 1100 Daily2493 
 HE 1200 Daily2490 
 HE 1300 - HE 1400 Daily2456 
 HE 1500 - HE 1600 Daily2426 
 HE 1700 - HE 1800 Daily2453 
 HE 1900 Daily2476 
 HE 2000 Daily2481 
 HE 2100 Daily2479 
 HE 2200 Daily2472 
 HE 2300 Daily2474 
 HE 2400 Daily2583 
07/06/09-07/13/09HE 0100 Daily2537SCL-Bothell-University 115kV Line(Actual end date/time is 22JUL09 @ 1700)(Daily)
 HE 0200 Daily2585 
 HE 0300 - HE 0500 Daily2633 
 HE 0600 Daily2537 
 HE 0700 Daily2528 
 HE 0800 - HE 2400 Daily2000 
 HE 0800 Daily2470 
 HE 0900 Daily2411 
 HE 1000 Daily2384 
 HE 1100 Daily2400 
 HE 1200 Daily2377 
 HE 1300 - HE 1400 Daily2443 
 HE 1500 - HE 1600 Daily2509 
 HE 1700 - HE 1800 Daily2456 
 HE 1900 Daily2397 
 HE 2000 Daily2422 
 HE 2100 Daily2405 
 HE 2200 Daily2379 
 HE 2300 Daily2442 
 HE 2400 Daily2525 
07/07/09-07/08/09HE 0100 - HE 1200 Daily2000BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 0100 Daily2173 
 HE 0100 on 07/07/09 - HE 2400 on 07/07/091950Preschedule forecast for 7/7/09
 HE 0100 on 07/07/09 on 07/07/091078 
 HE 0200 Daily2231BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 0200 on 07/07/09 on 07/07/09971Preschedule forecast for 7/7/09
 HE 0300 - HE 0500 Daily2290BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 0300 on 07/07/09 on 07/07/09843Preschedule forecast for 7/7/09
 HE 0400 on 07/07/09 on 07/07/09767 
 HE 0500 on 07/07/09 on 07/07/09811 
 HE 0600 Daily2173BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 0600 on 07/07/09 on 07/07/09919Preschedule forecast for 7/7/09
 HE 0700 Daily2124BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 0700 on 07/07/09 on 07/07/091141Preschedule forecast for 7/7/09
 HE 0800 Daily1973BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 0800 on 07/07/09 on 07/07/091459Preschedule forecast for 7/7/09
 HE 0900 Daily2094BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 0900 on 07/07/09 on 07/07/091672Preschedule forecast for 7/7/09
 HE 1000 Daily2029BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 1000 on 07/07/09 on 07/07/091766Preschedule forecast for 7/7/09
 HE 1100 - HE 1200 Daily2240BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 1100 on 07/07/09 on 07/07/091822Preschedule forecast for 7/7/09
 HE 1200 on 07/07/09 on 07/07/091838 
 HE 1300 Daily2291BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 1300 on 07/07/09 on 07/07/091839Preschedule forecast for 7/7/09
 HE 1400 Daily2305BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 1400 on 07/07/09 on 07/07/091841Preschedule forecast for 7/7/09
 HE 1500 - HE 1600 Daily2171BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 1500 on 07/07/09 on 07/07/091837Preschedule forecast for 7/7/09
 HE 1600 on 07/07/09 on 07/07/091799 
 HE 1700 - HE 1800 Daily2323BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 1700 on 07/07/09 on 07/07/091771Preschedule forecast for 7/7/09
 HE 1800 on 07/07/09 on 07/07/091764 
 HE 1900 - HE 2000 Daily2289BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 1900 on 07/07/09 on 07/07/091659Preschedule forecast for 7/7/09
 HE 2000 on 07/07/09 on 07/07/091584 
 HE 2100 Daily2254BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 2100 on 07/07/09 on 07/07/091570Preschedule forecast for 7/7/09
 HE 2200 Daily2235BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 2200 on 07/07/09 on 07/07/091624Preschedule forecast for 7/7/09
 HE 2300 Daily2089BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 2300 on 07/07/09 on 07/07/091536Preschedule forecast for 7/7/09
 HE 2400 Daily2197BPA-Custer 500/230V bank 2; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 2400 on 07/07/09 on 07/07/091260Preschedule forecast for 7/7/09
07/07/09-07/10/09HE 0100 - HE 1600 Daily2000SCL-Bothell-University 115kV Line;and BPA-Monroe PCB 4672 (and PCB 4522)(daily)
 HE 0100 Daily2577 
 HE 0200 Daily2611 
 HE 0300 - HE 0500 Daily2645 
 HE 0600 Daily2577 
 HE 0700 Daily2559 
 HE 0800 Daily2470 
 HE 0900 Daily2438 
 HE 1000 Daily2385 
 HE 1100 - HE 1200 Daily2415 
 HE 1300 Daily2472 
 HE 1400 Daily2523 
 HE 1500 - HE 1600 Daily2493 
 HE 1700 - HE 1800 Daily2523 
 HE 1900 - HE 2000 Daily2480 
 HE 2100 Daily2437 
 HE 2200 Daily2413 
 HE 2300 Daily2460 
 HE 2400 Daily2541 
07/08/09-07/10/09HE 0100 Daily2337BPA-Custer 500/230V bank 1; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 0200 Daily2399 
 HE 0300 - HE 0500 Daily2461 
 HE 0600 Daily2337 
 HE 0700 Daily2261 
 HE 0800 Daily2088 
 HE 0900 Daily2186 
 HE 1000 Daily2099 
 HE 1100 - HE 1200 Daily2303 
 HE 1300 - HE 1600 Daily2000 
 HE 1300 Daily2408 
 HE 1300 on 07/08/09 - HE 1700 on 07/10/0928502000BPA-Custer 500/230kV Bank 1
 HE 1400 Daily2434BPA-Custer 500/230V bank 1; and BPA-Monroe PCB 4672(and PCB 4522)(daily)
 HE 1500 - HE 1600 Daily2323 
 HE 1700 - HE 1800 Daily2475 
 HE 1900 - HE 2000 Daily2399 
 HE 2100 Daily2321 
 HE 2200 Daily2289 
 HE 2300 Daily2193 
 HE 2400 Daily2333 
07/20/09-01/01/19HE 0100 on 07/20/09 - HE 0100 on 01/01/1915711331Studied Nomogram Limits-NI
11/23/07-01/01/19HE 1900 on 11/23/07 - HE 0100 on 01/01/1928502000Path 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
02/01/08-01/01/19HE 0100 on 02/01/08 on 01/01/19400400Path Rating
 HE 0200 on 02/01/08 - HE 2400 on 12/31/18400400 
06/30/09-08/30/09HE 0100 on 06/30/09 - HE 1600 on 08/30/094000BCTC-Selkirk T1 Transformer Estimated Time of Return Unknown
 HE 0100 on 06/30/09 - HE 2400 on 07/06/094000 



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
06/02/09-11/01/09HE 0100 on 06/02/09 - HE 2400 on 10/31/092000Summer System Limits
 HE 0100 on 06/02/09 - HE 2400 on 10/31/091250Summer System Operating Limits
11/01/09-01/01/19HE 0100 on 11/01/09 - HE 0100 on 01/01/191020WOG Limits
11/23/07-01/01/19HE 2100 on 11/23/07 - HE 0100 on 01/01/192000Path Rating
 HE 2100 on 11/23/07 - HE 0100 on 01/01/191350 



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
11/01/08-01/01/19HE 0100 on 11/01/08 - HE 0100 on 01/01/194250West 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
11/23/07-01/01/19HE 1900 on 11/23/07 - HE 0100 on 01/01/19413350Path 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
06/03/09-11/03/09HE 0100 on 06/03/09 - HE 2400 on 11/02/09300300Summer Seasonal SOL Limits
11/28/07-01/01/19HE 0200 on 11/28/07 - HE 0100 on 01/01/19300300Path 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
06/03/09-11/03/09HE 0100 on 06/03/09 - HE 2400 on 11/02/097800Summer Seasonal SOL Limits
06/16/09-07/31/09HE 0100 on 06/16/09 - HE 2400 on 07/30/097800IPC-Midpoint 500kV Series capacitors
07/01/09-07/07/09HE 0100 on 07/01/09 - HE 2400 on 07/06/097800Northwest resources
11/23/07-01/01/19HE 1800 on 11/23/07 - HE 0100 on 01/01/197800NOJDAY 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
11/23/07-01/01/19HE 2000 on 11/23/07 - HE 0100 on 01/01/192870Path 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
11/23/07-01/01/19HE 1900 on 11/23/07 - HE 0100 on 01/01/191500Path 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
06/01/09-08/26/09HE 0600 on 06/01/09 - HE 1800 on 08/26/091450Olympia-Grand Coulee 1 287kV Line Out of Service or at 230kV Operation
07/08/09HE 0800 - HE 16001130Tacoma-Cowlitz 1 230kV Line
07/13/09-07/17/09HE 0900 - HE 1500 Daily1420Olympia-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)
07/13/09-07/19/09HE 0800 on 07/13/09 - HE 1600 on 07/19/091500Olympia-Grand Coulee 1 287kV Line operating at 230kV Olympia-Shelton 3 230kV Line and Olympia-Shelton 1 115kV Line
11/23/07-01/01/19HE 1900 on 11/23/07 - HE 0100 on 01/01/191625Path 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
05/28/08-01/01/19HE 0100 on 05/28/08 - HE 0100 on 01/01/192250Path Rating
06/29/09-07/02/09HE 0900 - HE 1700 Daily2080South Elma-Satsop Park 1 115kV Line (Daily)
07/06/09-07/10/09HE 0900 on 07/06/09 - HE 1700 on 07/10/091430Satsop 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
07/16/09-07/17/09HE 0900 on 07/16/09 - HE 1700 on 07/17/092080Satsop-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
06/01/09-01/01/19HE 0100 on 06/01/09 - HE 0100 on 01/01/192910Studied 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
11/23/07-01/01/19HE 1900 on 11/23/07 - HE 0100 on 01/01/194410Year Round OTC for All Facilities in Service
 HE 1900 on 11/23/07 - HE 0100 on 01/01/194100NOHAN 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
06/01/08-01/01/19HE 0100 on 06/01/08 - HE 0100 on 01/01/194100Path Rating


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