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Noncoincident Peak Load, Actual and Projected by North American Electric Reliability Corporation Region
                                         
Table 4.1.    xls     pdf   format     

Table 4.1.  Noncoincident Peak Load, Actual and Projected by North American Electric Reliability Corporation Region, 2004 through 2013
(Megawatts)
North American Electric Reliability Corporation Regional Entity Actual
2004 2005 2006 2007 2008
Summer
ECAR[1] 95,300 NA NA NA NA
ERCOT 58,531 60,210 62,339 62,188 62,174
FRCC 42,383 46,396 45,751 46,676 44,836
MAAC[1]  52,049 NA NA NA NA
MAIN[1]  53,439 NA NA NA NA
MRO (U.S.) [2] 29,351 39,918 42,194 41,684 39,677
NPCC (U.S.)  52,549 58,960 63,241 58,314 58,543
ReliabilityFirst[3] NA 190,200 191,920 181,700 169,155
SERC 157,615 190,705 199,052 209,109 199,779
SPP 40,106 41,727 42,882 43,167 43,476
WECC (U.S.)  123,136 130,760 142,096 139,389 134,829
Contiguous U.S.  704,459 758,876 789,475 782,227 752,470
Winter
ECAR[1]  91,800 NA NA NA NA
ERCOT 44,010 48,141 50,402 50,408 47,806
FRCC 44,839 42,657 42,526 41,701 45,275
MAAC[1]  45,905 NA NA NA NA
MAIN[1]  42,929 NA NA NA NA
MRO (U.S.) [2]  24,526 33,748 34,677 33,191 36,029
NPCC (U.S.)  48,176 46,828 46,697 46,795 46,043
ReliabilityFirst[3]  NA 151,600 149,631 141,900 142,395
SERC 144,337 164,638 175,163 179,888 179,596
SPP 29,490 31,260 30,792 31,322 32,809
WECC (U.S.)  102,689 107,493 111,093 112,700 113,605
Contiguous U.S.  618,701 626,365 640,981 637,905 643,557
North American Electric Reliability Corporation Regional Entity Projected
2009 2010 2011 2012 2013
Summer
TRE (formerly ERCOT) 63,491 64,056 65,494 67,394 69,399
FRCC 45,734 45,794 46,410 47,423 48,304
MRO (U.S.) [2]  43,172 44,184 45,038 45,707 46,337
NPCC (U.S.)  61,327 61,601 62,268 62,926 63,445
ReliabilityFirst[3]  178,100 180,400 185,700 189,700 192,100
SERC 202,738 206,218 211,528 215,641 219,712
SPP 44,462 45,113 45,988 46,616 47,255
WECC (U.S.)  140,692 142,750 145,185 147,758 150,163
Contiguous U.S.  779,716 790,116 807,611 823,165 836,715
Winter
TRE (formerly ERCOT) 43,463 44,463 45,784 47,030 47,984
FRCC 44,446 45,099 46,140 46,971 47,709
MRO (U.S.) [2]  36,571 36,884 37,613 38,125 38,483
NPCC (U.S.)  47,098 47,076 47,195 47,384 47,620
ReliabilityFirst[3]  145,800 148,000 151,800 153,800 155,100
SERC 181,045 183,608 187,639 190,266 193,586
SPP 32,636 33,308 33,864 34,421 34,961
WECC (U.S.)  111,324 113,096 114,832 116,522 118,280
Contiguous U.S.  642,383 651,534 664,867 674,519 683,723
[1] ECAR, MAAC, and MAIN dissolved at the end of 2005.  Utility membership joined other reliability regional councils.  Also, see Footnote 3.
[2] Regional name has changed from Mid-Continent Area Power Pool to Midwest Reliability Organization.
[3] ReliabilityFirst Corporation (RFC) came into existence on January 1, 2006, and submitted a consolidated filing covering the historical NERC regions of ECAR, MAAC, and MAIN.  Many of the former utility members joined RFC.
  NA = Not available.  
  Notes: Projected data are updated annually, so revision superscript is not used. Nerc Regions are provided in Appendix A., Technical Notes. Represents an hour of a day during the associated peak period. The summer peak period begins on June 1 and extends through September 30. The winter peak period begins on December 1 and extends through the end of February of the following year The MRO, SERC, and SPP regional boundaries were altered as a variety of utilities changed reliability organizations.  The historical data series have not been adjusted. Totals may not equal sum of components because of independent rounding.
  Source: U.S. Energy Information Administration, Form EIA-411, "Coordinated Bulk Power Supply Program Report."

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