| Time |
Description |
06/24/2009
16:11 hrs
|
1611 WEST OF CASCADES NORTH (PATH 4) NO LONGER APPROACHING SOL. |
06/24/2009
09:33 hrs
|
BPA has exceeded the WECC path 4, West of Cascades North, approaching SOL limit, which is within 1000mw of SOL, and is expecting to violate the SOL. BPA will use established mitigation procedures to avoid violating the SOL. |
06/04/2009
18:09 hrs
|
1809 WEST OF CASCADES SOUTH (PATH 5) NO LONGER
APPROACHING SOL. |
06/04/2009
17:01 hrs
|
1701 WEST OF CASCADES SOUTH (PATH 5) IS APPROACHING AND EXPECTED TO EXCEED SOL. BPA TO MITIGATE PATH WITH ESTABLISHED PROCEDURE IF EXCEEDED.
|
06/03/2009
21:05 hrs
|
2057: West of Cascades North flows no longer approaching SOL. |
06/03/2009
12:06 hrs
|
BPA has exceeded the WECC Path 4, West of Cascades North, Approaching SOL and is within 1000mw of path SOL limit. If this path is exceeded BPA will mitigate using established procedures. |
05/30/2009
19:41 hrs
|
1941 West of Cascades North flows no longer
approaching SOL. |
05/30/2009
13:04 hrs
|
BPA has exceeded the WECC path 4, West of Cascades North, approaching SOL limit and within 1000mw's of the SOL. If this SOL is exceeded, BPA will mitigate using established procedures. |
05/29/2009
21:54 hrs
|
2154 West of Cascades North no longer approaching
SOL. |
05/29/2009
14:22 hrs
|
BPA has exceeded the WECC path 4, West of Cascades North Approaching limit and is within 1000mw's of the Path SOL. If this path exceeds its SOL, BPA will mitigate using established procedures. |
05/28/2009
21:41 hrs
|
RAVER 500KV SUBSTATION SCADA IS OUT OF SERVICE WITH
TRANSFER TRIP ISSUES. BPA COULD BE TAKING THESE RAVER 500KV LINES OUT OF SERVICE IF NOT ALREADY OUT OF SERVICE: COVINGTON 1 & 2, TACOMA, SCHULTZ 1, 3 & 4, & PAUL.
.
2238 ONLY RAVER-COVINGTON 1 & 2, AND RAVER-SCHULTZ 3
WERE REMOVED AND ARE NOW IN-SERVICE. |
05/28/2009
14:17 hrs
|
1358: The Chief Joseph-Monroe #1 500kV line has been returned to service. BPA is no longer in a PSANI advisory situation. |
05/27/2009
14:47 hrs
|
0700: Chief Joseph-Monroe #1 500kv line is out of service. Northern Intertie nomogram #295 is placed in service which results in Path 3 S>N SOL limits below Canadian Entitlement in realtime.
BPA will be taking an emergency outage of the Chief Joseph-Monroe No.1 500kv line on Thursday 28May09 from 0700-1500 hours. There is a possibility of Path 3 S>N SOL limits close to the PSANI Entitlement. |
04/28/2009
16:47 hrs
|
1647 PDT: ROUNDUP-LAGRANDE 1 230KV LINE OUT OF SERVICE FOR EMERGENCY REPAIRS. ETR 2 HOURS
:
1650 NEW ESTIMATED TIME FOR LINE O/S IS 1900 AND RETURN TO SERVICE AT 2100.
:
1755 PDT: ROUNDUP-LAGRANDE 1 230K LINE OUT OF SERVICE FOR EMERGENCY REPAIRS. ETR 2 HOURS.
:
2034 PDT: ROUNDUP-LAGRANDE 1 230KV RESTORED TO SERVICE. |
04/23/2009
23:09 hrs
|
NORTHERN INTERTIE PATH 3 S>N NO LONGER UNDER ENTITLEMENT. |
04/23/2009
17:05 hrs
|
DUE TO THE LOSS OF THE SEDRO WOOLLEY 230/115KV BANK #1. NORTHERN INTERTIE CURRENTLY ON NOMOGRAM #254 WITH ADDITIONAL DEDUCTIONS. REAL TIME AND PROJECTED SOL BELOW ENTITLEMENT UNTIL FURTHER NOTICE. PSANI MITIGATION PROCEDURES WILL BE USED. |
04/22/2009
22:09 hrs
|
BPA IS NO LONGER PROJECTING PATH 3 NORTHERN INTERTIE S>N SOL BELOW ENTITLEMENT STARTING HE24. |
04/22/2009
18:47 hrs
|
BPA'S S>N PROJECTED SOL ON PATH 3 US-BC BELOW ENTITLEMENT STARTING HE19 AND EXPECTED TO LAST THROUGH HE22. NORTHERN INTERTIE ON NOMOGRAM #254.
PSANI S>N MITIGATION TOOLS WILL BE UTILIZED. |
04/16/2009
21:23 hrs
|
2123 PDT: The West of Cascades North below the APPROACHING SOL limit. |
04/16/2009
19:55 hrs
|
1955 PDT: The West of Cascades North has exceeded its APPROACHING SOL limit and is within 1000MW of its SOL. If this SOL is exceeded, BPA will mitigate using established procedures. |
04/16/2009
06:10 hrs
|
0610 PDT: The West of Cascades North has exceeded its APPROACHING SOL limit and is within 1000mw of its SOL. If this SOL is exceeded, BPA will mitigate using established procedures. |
04/03/2009
05:40 hrs
|
BPA NO LONGER MITIGATING NORTH OF HANFORD S>N FLOWS |
04/02/2009
21:10 hrs
|
2110 PDT: BPA is experiencing heavy loading on our North of Hanford cut-plane. If the S-N SOL is exceeded, BPA will follow established mitigation procedures to reduce flows. |
04/02/2009
07:10 hrs
|
0700PDT: BPA North of Hanford S>N flows well below SOL. |
04/01/2009
23:08 hrs
|
2308PDT: BPA is experiencing heavy loading on our North of Hanford cut-plane. If the S-N SOL is exceeded, BPA will follow established mitigation procedures to reduce flows. |
03/30/2009
02:39 hrs
|
Due to a scheduled outage on BPA's Echo Lake-Maple Valley #1&2 500KV line, the Northern Intertie (Path 3) will be operating on nomograms PSAT Zone 3, for the outage period 30Mar09 @0700 through 17Apr09 @1500. BPA anticipates Path 3 S>N limits to be near or below the Canadian Entitlement amount of 1221MW daily during the on-peak heavy load hours. Northern Intertie Puget Sound Area Constraint Management Procedures (PSANI) may be used during this time. |
03/23/2009
05:05 hrs
|
0505 PDT: North of Hanford flows well bellow S>N SOL. |
03/23/2009
01:48 hrs
|
0148 PDT: BPA is experiencing heavy loading on our North of Hanford cut-plane. If the S-N SOL is exceeded, BPA will follow established mitigation procedures to reduce flows. |
03/22/2009
19:40 hrs
|
1940 PDT: North of Hanford flows well bellow S>N SOL. |
03/22/2009
14:58 hrs
|
THE BPA NORTH OF HANFORD CUT-PLANE IS APPROACHING ITS S>N LIMIT. IF REAL-TIME FLOWS EXCEED THE S>N LIMIT, BPA WILL MITIGATE PER ESTABLISHED PROCEDURES. |
03/21/2009
02:09 hrs
|
2010 PDT: North of Hanford flows well below S>N SOL.
0209 PDT: BPA is experiencing heavy loading on our North of Hanford cut-plane. If the S-N OTC is exceeded, BPA will follow established mitigation procedures to reduce flows. |
03/14/2009
17:21 hrs
|
2206: North of Hanford S-N flows are now well below the path SOL.
1721 PST: North of Hanford S>N flows are high with the possibility of exceeding the SOL. If SOL is exceeded, BPA will mitigate as per established procedures. |
03/02/2009
01:40 hrs
|
Due to scheduled outages on the Monroe-Custer #2 500KV line, the Monroe 500KV PCB 4714, and the Snohomish-Murray #1 230KV line, Northern Intertie(WECC Path 3) will be operating on Nomogram 203R1 PSAT Zone 3, for the outage period 02Mar09 @ 0700 through 06Mar09 @ 1800. BPA anticipates Path 3 S>N to be near or below the Canadian Entitlement amount of 1221MW daily during the on-peak heavy load hours. Northern Intertie Puget Sound Area Constraint Management Procedures (PSANI) may be used during this time. |
02/27/2009
01:04 hrs
|
0421PST:
North of Hanford S>N flows are well below operating limits. Path flow mitigation no longer in effect.
.
0104PST:
North of Hanford cutplane is currently experiencing overloads S-N. BPA will mitigate with establish procedures. |
01/26/2009
01:11 hrs
|
At 0046 on 26Jan08 the Chief Joseph-Monroe # 1 500KV line has been restored. Northern Intertie and West of Cascades north paths using all lines in
service nomograms. |
01/25/2009
20:19 hrs
|
2010 PST: WEST OF CASCADES NORTH BELOW THRESHOLD OF APPROACHING SOL. |
01/25/2009
17:51 hrs
|
WEST OF CASCADES NORTH PATH 4 HAS EXCEEDED THE APPROACHING SOL AND HAS BEEN DETERMINED BY BPA THAT THE SOL COULD BE EXCEEDED. ALL PARTIES SHOULD BID INTO THE RELIABILITY RE-DISPATCH SYSTEM, OTHERWISE IF SOL EXCEEDED CURTAILMENT CALCULATOR TOOL WILL BE EXERCISED. |
01/25/2009
11:25 hrs
|
BPA's Chief Joseph-Monroe No. 1 500kv line outage originally scheduled to be back in service at 1800hrs 25Jan09, has been extended with a new ETR of 2400hrs. The Northern Intertie and West of Cascades-North paths will remain on their current nomograms and postings for this line outage. |
01/23/2009
19:57 hrs
|
1957 PST: WEST OF CASCADES NORTH, WECC PATH 4, IS NOW BELOW THE APPROACHING SOL THRESHOLD. |
01/23/2009
17:01 hrs
|
1701 PST: THE WEST OF CASCADES NORTH, WECC PATH 4, HAS EXCEEDED THE SOL APPROACHED LIMIT AND IS WITHIN 1000MW OF THE SOL. IF THE SOL IS EXCEEDED, BPA WILL MITIGATE USING ESTABLISHED PROCEDURES. |
01/23/2009
09:05 hrs
|
BPA has an emergency outage on the Covington-White River 230kv line for danger tree removal today, ETR 1600hrs. BPA is still anticipating the Northern Intertie (WECC Path 3) S-N transfer limits to be near or below the entitlement amount of 1221MW throughout the day. |
01/23/2009
07:16 hrs
|
WEST OF CASCADES NORTH (PATH 4) HAS EXCEEDED THE SOL APPROACHED LIMIT AND IS WITHIN THE SOL. BPA WILL USE MITIGATION PROCEDURES IF OVER SOL, WITH CHANCE OF GOING OVER SOL UNTIL 1000 HR TODAY. |
01/22/2009
21:05 hrs
|
2105 PST: WEST OF CASCADES NORTH, WECC PATH 4, IS NOW BELOW THE APPROACHING SOL THRESHOLD. |
01/22/2009
16:52 hrs
|
1652 PST: THE WEST OF CASCADES NORTH, WECC PATH 4, HAS EXCEEDED THE SOL APPROACHED LIMIT AND IS WITHIN 1000MW OF THE SOL. IF THE SOL IS EXCEEDED, BPA WILL MITIGATE USING ESTABLISHED PROCEDURES. |
01/22/2009
12:04 hrs
|
1130 PST: WEST OF CASCADES NORTH, WECC PATH 4, IS NOW BELOW THE APPROACHING SOL THRESHOLD. ANTICIPATED FLOWS BETWEEN HE17-HE21 MAY AGAIN EXCEED THIS APPROACHING SOL THRESHOLD, AND IF THE SOL IS EXCEEDED, BPA WILL MITIGATE USING ESTABLISHED PROCEDURES. |
01/22/2009
06:35 hrs
|
0635 PST: THE WEST OF CASCADES NORTH, WECC PATH 4, HAS EXCEEDED THE SOL APPROACHED LIMIT AND IS WITHIN 1000MW OF THE SOL. IF THE SOL IS EXCEEDED, BPA WILL MITIGATE USING ESTABLISHED PROCEDURES. |
01/21/2009
21:41 hrs
|
BPA will have an emergency outage of the Chief Joseph-Monroe No.1 500kv line from 22JAN09 at 0600 through 25JAN09 at 1800 to repair damaged line equipment. Due to this outage BPA is anticipating the West of Cascades North (path 4) to be near or above the path SOL. In the event the SOL is exceeded BPA will mitigate path per established procedures. |
01/21/2009
20:54 hrs
|
BPA will have an emergency outage of the Chief Joseph-Monroe No.1 500kv line from 22JAN09 at 0600 through 25JAN09 at 1800 to repair damaged line equipment. Due to this outage BPA Northern Interie (path 3) will be operating on nomogram 011 PSAT zone 3. BPA anticipates the Northern Intertie (path 3) S>N to be near or below the entitlement amount of 1221MW during the morning and evening hours. |
01/21/2009
09:55 hrs
|
Due to the scheduled Big Eddy 500/230KV Bank #5 outage to May 29, 2009, the PDCI Celilo Converters 3 and 4 S>N capacity is zero and the N>S capacity could be limited by the actual generations level at The Dalles powerhouse. If necessary, BPA will mitigate per established procedures. |
01/14/2009
19:05 hrs
|
West of Cascades North, WECC Path 4, flows are no longer approaching SOL. |
01/14/2009
16:48 hrs
|
West of Cascade North, WECC Path 4, has exceeded it's approaching SOL limit. If path SOL is exceeded, BPA will mitigate using established procedures. |
01/13/2009
19:00 hrs
|
WEST OF CASCADES NORTH PATH 4 FLOWS NO LONGER APPROACHING SOL. |
01/13/2009
17:49 hrs
|
WEST OF CASCADES NORTH PATH 4 APPROACHING SOL. BPA DOESN'T EXPECT TO EXCEED SOL, BUT IF SYSTEM CONDITIONS CHANGE EXCEEDING THE SOL IS POSSIBLE. BIDDING INTO THE RELIABILITY RE-DISPATCH TOOL WOULD STILL BE ADVISED. IF THE SOL IS EXCEEDED, BPA WILL MITIGATE PER ESTABLISHED PROCEDURES. |
01/09/2009
19:17 hrs
|
The West of Cascades North, WECC Path 4 is no longer in an approaching SOL condition. |
01/09/2009
17:11 hrs
|
The West of Cascades North, WECC Path 4, has exceeded it's approaching SOL limit. If path SOL is exceeded BPA will mitigate using established procedures.
|
12/20/2008
18:06 hrs
|
1806 PST: THE WEST OF CASCADES NORTH PATH IS BELOW ITS 'APPROACHING SOL' LIMIT AND CONTINUES TO DECREASE. BPA DOES NOT ANTICIPATE EXCEEDING THIS LIMIT AGAIN TODAY. |
12/20/2008
17:09 hrs
|
THE WEST OF CASCADES NORTH, WECC PATH 4, HAS EXCEEDED ITS 'APPROCHING SOL' LIMIT. THE PATH IS NOW WITHIN 1000MW OF ITS SOL. BPA DOES NOT ANTICIPATE EXCEEDING THE SOL TODAY. WE DO ANTICIPATE WE WILL AGAIN EXCEED THE 'APPROCHING SOL' LIMIT ON SUNDAY 21DEC08. IF THE WEST OF CASCADES NORTH SOL IS EXCEEDED. BPA WILL MITIGATE USING ESTABLISHED PROCEDURES. |
12/04/2008
09:59 hrs
|
West of Cascade North loading is no longer experiencing high probability of exceeding SOL. |
12/04/2008
07:32 hrs
|
Level 2: High probability of exceeding WOCN SOL operating condition for the NW WA area until around 1200 hour. |
10/27/2008
05:56 hrs
|
BPA's South of Allston cutplane is no longer experiencing S>N congestion. |
10/27/2008
01:12 hrs
|
BPA's South of Allston cutplane is approaching its S>N transfer limit. BPA will mitigate this path per established procedures if this limit is exceeded. |
10/26/2008
02:20 hrs
|
0220 PDT: BPA is experiencing loading in excess of the S>N OTC on our South of Allston cut-plane. BPA will follow established mitigation procedures to reduce flows. |
10/14/2008
12:45 hrs
|
Columbia Injection flowgate: Current loading below Level 1. BPA no longer mitigating Columbia Injection flows. |
10/14/2008
10:05 hrs
|
Columbia Injection loading exceeded level 2 limits. BPA Dispatch to work with established procedures to mitigate actual flows. |
10/14/2007
22:49 hrs
|
BPA is implementing a newly developed automated procedure that will calculate curtailments of transmission schedules in the Puget Sound area and Northern Intertie (PSANI).
This procedure will become effective at 0001Hrs. on Monday, October 15, 2007. |
11/23/2006
06:28 hrs
|
On 22NOV06 the Sacajawea 500/115kV transformer relayed out of service. ETR unknown. Local generation restrictions are in place for this outage. |
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