|
|
Table B.1. Major Disturbances and Unusual Occurrences, Year-to-Date
through December 2007 |
| Date |
Utility/Power Pool (NERC Region) |
Time |
Area Affected |
Type of Disturbance |
Loss (megawatts) |
Number of Customers Affected [1] |
Restoration |
| January
|
| 1/5/2007 |
Puerto
Rico Electric Power Authority (PR) |
10:44
a.m. |
Island of Puerto Rico |
Voltage
Reduction |
0 |
0 |
11:13
a.m. January 05 |
| 1/13/2007 |
Ameren
Corporation (MRO) |
5:00 a.m. |
Missouri
and Illinois |
Ice Storm |
N/A |
225,000 |
12:00
p.m. January 19 |
| 1/13/2007 |
DTE
Energy (Detroit Edison) (RFC) |
7:30 a.m. |
Eastern
and Lower Michigan |
Ice Storm |
500 |
129,607 |
4:00
p.m. January 19 |
| 1/16/2007 |
Snohomish
County PUD No. 1 (WECC) |
2:00 a.m. |
Snohomish
County, Washington |
Major Windstorm |
260 |
110,433 |
12:00
a.m. January 17 |
| February
|
| 2/13/2007 |
Duke
Energy Midwest (RFC) |
2:00 p.m. |
Indiana
and Southwest Ohio |
Ice/Wind Storm |
250 |
367,500 |
12:00
a.m. February 16 |
| 2/13/2007 |
Baltimore
Gas and Electric Company (RFC) |
5:00 p.m. |
Central
Maryland |
Winter Storm |
400 |
155,183 |
5:30
a.m. February 17 |
| 2/24/2007 |
MidAmerican
Energy Company (MRO) |
4:00 p.m. |
NE
quarter of State of Iowa and Rock Island, Illinois |
Ice
Storm |
210 |
75,000 |
12:57
a.m. March 04 |
| 2/24/2007 |
Alliant
Energy (MRO) |
6:00 p.m. |
Central
Iowa and Cedar Rapids areas |
Ice Storm |
400 |
140,000 |
11:47
p.m. February 24 |
| 2/24/2007 |
Midwest
ISO (RFC) |
7:23 p.m. |
Cedar
Rapids, Iowa |
Ice Storm |
750 |
215,000 |
12:47
a.m. February 25 |
| 2/28/2007 |
Pacific
Gas and Electric Company (WECC) |
12:45 a.m. |
Northern
California |
Winter Storm |
110 |
671,189 |
8:45
p.m. March 02 |
| March
|
| 3/1/2007 |
Southern
Company (SERC) |
9:40 p.m. |
Parts
of Alabama, Mississippi, Georgia, Florida |
Major
Storm |
95 |
25,445 |
11:30
p.m. March 02 |
| 3/31/2007 |
CenterPoint
Energy (ERCOT) |
7:30 a.m. |
Houston,
Texas |
Severe Thunderstorms |
179 |
67,000 |
7:00
p.m. March 31 |
| April
|
| 4/5/2007 |
Central
Maine Power Company (NPCC) |
9:20 p.m. |
Southern
and Coastal Maine |
Heavy Snow Storm |
- |
117,142 |
1:10
p.m. April 06 |
| 4/12/2007 |
Los
Angeles Department of Water and Power (WECC) |
12:32
a.m. |
City of Los Angeles, California |
High
Winds |
200 |
158,977 |
9:02
p.m. April 12 |
| 4/12/2007 |
Crockett
Cogeneration (WECC) |
9:09 a.m. |
San
Francisco Bay Area, California |
Trip of a
Unit |
130 |
- |
11:23
a.m. April 12 |
| 4/14/2007 |
National
Grid - New England (NPCC) |
9:00 a.m. |
Massachusetts,
New Hampshire, Rhode Island |
High Winds |
65-80 |
70,000 |
11:00
a.m. April 14 |
| 4/16/2007 |
Public
Service New Hampshire Electric System Control Center (NPCC) |
8:00
a.m. |
New Hampshire |
Severe
Thunderstorms |
- |
102,568 |
7:00
p.m. April 16 |
| 4/16/2007 |
Central
Maine Power Company (NPCC) |
10:14 a.m. |
Southern
and Coastal Maine |
Heavy Snow Storm |
- |
127,545 |
10:18
p.m. April 18 |
| 4/16/2007 |
Progress
Energy - Carolinas, Inc. (SERC) |
11:00 a.m. |
North
and South Carolina |
HIgh Winds |
- |
33,000 |
7:00
p.m. April 16 |
| 4/16/2007 |
Baltimore
Gas and Electric Company (RFC) |
2:00 p.m. |
Central
Maryland - Baltimore City and surrounding Counties |
Severe
Thunderstorms |
160 |
138,000 |
5:00
p.m. April 18 |
| 4/16/2007 |
Dominion
- Virginia Power/North Carolina (SERC) |
2:04
p.m. |
North, East and Central Virginia/Parts
of Northeast North Carolina |
High Winds |
90 |
242,000 |
7:03
p.m. April 16 |
| May
|
| 5/2/2007 |
Oncor
Electric Delivery Company (ERCOT) |
1:30 p.m. |
North
Texas, Dallas Fort Worth Metroplex and Surrounding Counties, South to Waco and
North to Red River |
Severe Storms |
- |
300,000 |
8:00
p.m. May 03 |
| 5/10/2007 |
Crockett
Cogeneration (WECC) |
9:57 a.m. |
San
Francisco Bay Area, California |
Unit Tripped |
150 |
- |
1:47
p.m. May 10 |
| 5/14/2007 |
Crockett
Cogeneration (WECC) |
11:15 a.m. |
San
Francisco Bay Area, California |
Unit Tripped |
150 |
- |
1:50
p.m. May 14 |
| 5/15/2007 |
DTE
Energy (Detroit Edison) (RFC) |
3:00 p.m. |
Southeastern
Michigan |
Severe Thunderstorms |
500 |
66,000 |
7:00
a.m. May 17 |
| 5/16/2007 |
Northeast
Utilities (NPCC) |
6:00 p.m. |
All
of Connecticut |
Severe Storm |
- |
67,000 |
5:00
a.m. May 19 |
| 5/21/2007 |
Crockett
Cogeneraton (WECC) |
1:48 p.m. |
San
Franscisco Bay Area, California |
Unit Tripped |
140 |
- |
4:50
p.m. May 21 |
| June
|
| 6/1/2007 |
State
of California, Department of Water Resources (WECC) |
1:00
p.m. |
Restricted Hydroelectric Capability |
Fuel
Supply Deficiency |
- |
- |
Ongoing |
| 6/5/2007 |
Idaho
Power Company (WECC) |
10:56 a.m. |
Southwest
Idaho and Eastern Oregon |
Load Shedding |
424 |
80,000 |
11:51
a.m. June 05 |
| 6/27/2007 |
Consolidated
Edison of NY Inc (NPCC) |
3:41 p.m. |
Northern
Manhattan NY (Yorkville) and SW Bronx (Motthaven, Melrose, High Bridge Sections) |
Lightning |
460 |
137,000 |
4:30
p.m. June 27 |
| 6/27/2007 |
New
York Independent System Operator (NPCC) |
3:42
p.m. |
New York State |
Loss
of Load |
460 |
- |
4:30
p.m. June 27 |
| 6/29/2007 |
Salt
River Project (WECC) |
9:23 a.m. |
Metropolitan
Phoenix Area |
Loss of Load |
399 |
98,700 |
10:09
a.m. June 29 |
| July
|
| 7/3/2007 |
California
Independent System Operator (WECC) |
10:59
a.m. |
CAISO Controlled Grid |
Public
Appeal |
N/A |
N/A |
6:00
p.m. July 05 |
| 7/5/2007 |
DTE
Energy (Detroit Edison) (RFC) |
7:00 p.m. |
Southeastern
Michigan |
Severe Storm |
- |
69,000 |
7:00
a.m. July 08 |
| 7/6/2007 |
Idaho
Power Company (WECC) |
5:18 p.m. |
Southeast
Idaho and Eastern Oregon |
Electrical Separation/Load
Shedding/Made Public Appeal |
60 |
0 |
6:20
p.m. July 06 |
| 7/10/2007 |
National
Grid - NY (NPCC) |
11:00 a.m. |
Eastern
New York |
Major Storms |
650 |
300,000 |
6:00
a.m. July 12 |
| 7/16/2007 |
PacifiCorp
(WECC) |
4:17 p.m. |
St.
George, Utah |
Fire/Load Shedding |
306 |
- |
9:00
p.m. July 16 |
| 7/18/2007 |
Exelon
Corporation West ComEd (RFC) |
6:00 p.m. |
Northern
Counties of Illinois |
Severe Weather |
300 |
135,000 |
2:00
a.m. July 19 |
| 7/19/2007 |
DTE
Energy (Detroit Edison) (RFC) |
3:00 p.m. |
Southwestern
Region of Service Territory |
Major Storm |
- |
60,000 |
11:30
p.m. July 22 |
| 7/19/2007 |
Dominion
- Virginia Power/North Carolina Power (SERC) |
3:50
p.m. |
North, East and Central Virginia |
Major
Storms |
72 |
107,000 |
10:15
p.m. July 19 |
| August
|
| 8/8/2007 |
Progress
Energy - Carolinas, Inc. (SERC) |
1:00 p.m. |
Portions
of North Carolina and South Carolina |
Made
Public Appeal |
N/A |
N/A |
9:00
p.m. August 08 |
| 8/8/2007 |
PJM
Interconnection (RFC) |
3:56 p.m. |
Mid-Altantic
Region of PJM |
Voltage Reduction/Made Public
Appeal |
N/A |
N/A |
5:59
p.m. August 08 |
| 8/9/2007 |
Progress
Energy - Carolinas, Inc. (SERC) |
12:45 p.m. |
Portions
of North Carolina and South Carolina |
Made
Public Appeal |
N/A |
N/A |
9:00
p.m. August 09 |
| 8/9/2007 |
Duquesne
Light Company (RFC) |
2:53 p.m. |
Highland
Area of Pittsburgh, Pennsylvania |
Severe
Thunderstorms |
90 |
55,000 |
4:11
p.m. August 09 |
| 8/10/2007 |
Progress
Energy - Carolinas, Inc. (SERC) |
12:20 p.m. |
Portions
of North Carolina and South Carolina |
Made
Public Appeal |
N/A |
N/A |
9:00
p.m. August 10 |
| 8/13/2007 |
Ameren
Corporation (SERC) |
1:30 a.m. |
State
of Missouri |
Severe Thunderstorm |
N/A |
63,000 |
12:00
a.m. August 14 |
| 8/14/2007 |
American
Electric Power (CSWS) (SPP) |
2:00 p.m. |
CSWS
Control Area of Southwest Power Pool Parts of Oklahoma, Texas, Louisiana, Arkansas |
Declared
Energy Emergency Alert2/Heat Wave |
20 |
- |
6:00
p.m. August 14 |
| 8/16/2007 |
Dominion
Virginia Power (SERC) |
9:30 p.m. |
Virginia
and Eastern North Carolina - Primarily in Central Virginia |
Severe
Weather |
200 |
93,300 |
10:49
p.m. August 17 |
| 8/19/2007 |
Dominion
Virginia Power (SERC) |
11:34 p.m. |
Central
and Eastern Virginia |
Severe Thunderstorms |
100 |
58,500 |
1:10
a.m. August 20 |
| 8/23/2007 |
Exelon
Corporation West ComEd (RFC) |
4:00 p.m. |
Northern
Illinois |
Severe Storms |
N/A |
629,590 |
10:49
p.m. August 28 |
| 8/24/2007 |
DTE
Energy (Detroit Edison) (RFC) |
6:00 p.m. |
Southeastern
Michigan |
Severe Storm |
N/A |
75,000 |
6:30
a.m. August 28 |
| 8/29/2007 |
Modesto
Irrigation District (WECC) |
1:53 p.m. |
Modesto
California and the Surrounding Areas |
Shed
Load |
180 |
26,000 |
2:57
p.m. August 29 |
| 8/29/2007 |
California
Independent System Operator (WECC) |
4:00
p.m. |
CAISO Controlled Grid |
Made
Public Appeal |
N/A |
N/A |
6:00
p.m. August 30 |
| 8/31/2007 |
California
Independent System Operator (WECC) |
12:45
p.m. |
CAISO Controlled Grid |
Declared
Energy Emergency Alert 1/Heat wave |
N/A |
N/A |
8:00
p.m. August 31 |
| September |
| 9/3/2007 |
San
Diego Gas and Electric Company (WECC) |
12:30
p.m. |
San Diego County, Southern Orange County,
California |
High Temperatures/Made Public
Appeals |
N/A |
N/A |
5:30
p.m. September 03 |
| 9/4/2007 |
San
Diego Gas and Electric Company (WECC) |
8:30
a.m. |
San Diego County, Southern Orange County,
California |
High Temperatures/Made Public
Appeals |
N/A |
N/A |
3:30
p.m. September 04 |
| 9/5/2007 |
Luminant
Energy Company, LLC (ERCOT) |
7:53 a.m. |
Central
Texas, ERCOT Grid |
Severe Weather/Transmission
Fault-Units Tripped |
1,084 |
N/A |
1:11
p.m. September 05 |
| 9/6/2007 |
State
of California, Department of Water Resources (WECC) |
8:00
p.m. |
Hydro Electric System |
Fuel
Supply Deficiency |
N/A |
N/A |
Ongoing |
| 9/13/2007 |
Entergy
Corporation (SPP) |
4:00 a.m. |
Between
Galveston and Beaumont, Texas |
Hurricane
Humberto |
N/A |
118,000 |
7:00
a.m. September 14 |
| 9/17/2007 |
Crawfordsville
Electric Light and Power (RFC) |
7:01 p.m. |
City
of Crawfordsville, Indiana |
Electrical System
Separation |
50 |
9,600 |
7:48
p.m. September 17 |
| 9/18/2007 |
Northern
States Power Company (MRO) |
5:14 a.m. |
Minnesota,
Wisconsin, North Dakota, South Dakota and Michigan |
Electrical
System Separation/Load Shedding/ Implemented Emergency Alert/Severe Storms |
16 |
6,000 |
6:10
a.m. September 18 |
| 9/18/2007 |
Great
River Energy (MRO) |
5:15 a.m. |
Minnesota,
North Dakota, Manitoba |
Electrical System
Separation/Load Shedding/ Implemented Emergency Alert/Severe Storms |
8,000-10,000 |
GRE
(1,900) Total 11,175 |
6:30 a.m. September
18 |
| 9/18/2007 |
Midwest
ISO (RFC) |
5:15 a.m. |
Manitoba,
Minnesota, North Dakota, Portions of South Dakota and Wisconsin. Midwest ISO's
Market subregions: OTP, NSP, GRE, ALTW, MP |
Electrical
System Separation/Load Shedding/ Implemented Emergency Alert/ Severe Storms |
8,000-10,000 |
11,175 |
12:00
a.m. September 18 |
| 9/24/2007 |
New
Covert Generating Company, LLC (RFC) |
1:38
p.m. |
Southwest Michigan |
Unit
Tripped |
320 |
N/A |
4:26
p.m. September 24 |
| October
|
| 10/18/2007 |
Puget
Sound Energy (WECC) |
3:00 p.m. |
Western
Washington |
High Winds |
N/A |
160,000 |
11:36
a.m. October 22 |
| 10/22/2007 |
Southern
California Edison Company (WECC) |
2:01 p.m. |
Southern
California |
Brush Fire/Load Shedding/Implemented
Emergency Alert |
451 |
90,323 |
2:22
p.m. October 22 |
| 10/22/2007 |
California
Independent System Operator (WECC) |
2:05
p.m. |
Southern California |
Brush
Fire/Load Shedding |
700 |
300,000 |
2:22
p.m. October 22 |
| 10/22/2007 |
San
Diego Gas and Electric Company (WECC) |
2:06
p.m. |
San Diego County, California |
Brush
Fire/Load Shedding |
199 |
68,780 |
2:43
p.m. October 22 |
| 10/26/2007 |
Southern
California Edison Company (WECC) |
6:44 a.m. |
Southern
Califonia |
Brush Fire/Load Shedding |
280 |
20,345 |
10:46
a.m. October 26 |
| 10/26/2007 |
City
of Riverside (WECC) |
6:44 a.m. |
Riverside,
California |
Load Shedding |
240 |
104,000 |
10:43
a.m. October 26 |
| November
|
| 11/3/2007 |
ISO
New England (NPCC) |
6:00 p.m. |
Eastern
Massachusetts, Rhode Island, Cape Cod |
Tropical
Storm |
100 |
62,843 |
6:00
a.m. November 04 |
| December
|
| 12/1/2007 |
ISO
New England (NPCC) |
6:04 p.m. |
State
of Maine |
Voltage Reduction/Made Public Appeal/Fuel
Deficiency |
0 |
0 |
10:00
p.m. December 02 |
| 12/4/2007 |
Puerto
Rico Electric Power Authority (PR) |
2:16
p.m. |
Island of Puerto Rico |
Voltage
Reduction |
0 |
0 |
5:53
p.m. December 04 |
| 12/10/2007 |
American
Electric Power (SPP) |
3:08 a.m. |
Tulsa,
Oklahoma |
Ice Storm |
N/A |
256,663 |
8:00
a.m. December 19 |
| 12/11/2007 |
Westar
Energy (MRO) |
4:00 a.m. |
Eastern
half of the State of Kansas |
Ice Storm |
500 |
95,000 |
3:30
p.m. December 20 |
| 12/11/2007 |
Puerto
Rico Electric Power Authority (PR) |
8:57
p.m. |
Island of Puerto Rico |
Voltage
Reduction |
0 |
0 |
9:22
p.m. December 11 |
| 12/23/2007 |
Exelon
Corporation West ComEd (RFC) |
1:00 a.m. |
The
Entire ComEd Service Territory |
Severe Storm |
N/A |
237,000 |
9:00
p.m. December 23 |
| 12/23/2007 |
Consumers
Energy (RFC) |
5:30 a.m. |
Lower
2/3 of Michigan Lower Peninsula |
Winter Storm |
50 |
134,288 |
6:07
p.m. December 25 |