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Table 3.3. Net Internal Demand, Actual or Planned Capacity Resources, and Capacity Margins by North American Electric Reliability Council Region, Summer, 2007 through 2012
(Megawatts) |
North American Electric Reliability Council Region |
Net Internal Demand[1] |
Capacity Resources[2] |
Capacity Margin (percent)[3] |
Net Internal Demand[1] |
Capacity Resources[2] |
Capacity Margin (percent)[3] |
|
2007 |
2008 |
TRE (formerly ERCOT) |
63,725 |
72,503 |
12.1 |
65,028 |
75,749 |
14.2 |
FRCC |
44,417 |
53,553 |
17.1 |
45,141 |
55,622 |
18.8 |
MRO (U.S.)[4] |
41,260 |
47,875 |
13.8 |
42,558 |
49,182 |
13.5 |
NPCC (U.S.) |
58,371 |
72,105 |
19 |
59,239 |
72,897 |
18.7 |
ReliabilityFirst[5] |
177,200 |
213,787 |
17.1 |
180,300 |
214,783 |
16.1 |
SERC |
198,522 |
235,485 |
15.7 |
202,854 |
237,037 |
14.4 |
SPP |
43,056 |
50,109 |
14.1 |
44,018 |
51,901 |
15.2 |
WECC (U.S.) |
137,925 |
169,876 |
18.8 |
140,940 |
172,167 |
18.1 |
Contiguous U.S. |
764,476 |
915,292 |
16.5 |
780,078 |
929,338 |
16.1 |
|
2009 |
2010 |
TRE (formerly ERCOT) |
66,422 |
77,894 |
14.7 |
67,745 |
77,918 |
13.1 |
FRCC |
45,980 |
57,202 |
19.6 |
47,085 |
59,312 |
20.6 |
MRO (U.S.)[4] |
43,508 |
49,055 |
11.3 |
44,252 |
49,313 |
10.3 |
NPCC (U.S.) |
59,532 |
72,084 |
17.4 |
60,306 |
72,923 |
17.3 |
ReliabilityFirst[5] |
183,900 |
217,625 |
15.5 |
186,600 |
219,492 |
15 |
SERC |
207,110 |
237,304 |
12.7 |
211,114 |
238,933 |
11.6 |
SPP |
44,902 |
53,420 |
15.9 |
45,594 |
53,881 |
15.4 |
WECC (U.S.) |
143,502 |
173,494 |
17.3 |
146,205 |
175,269 |
16.6 |
Contiguous U.S. |
794,856 |
938,078 |
15.3 |
808,902 |
947,041 |
14.6 |
|
2011 |
2012 |
TRE (formerly ERCOT) |
68,833 |
78,843 |
12.7 |
70,235 |
78,843 |
10.9 |
FRCC |
48,212 |
59,979 |
19.6 |
49,277 |
61,693 |
20.1 |
MRO (U.S.)[4] |
44,993 |
49,529 |
9.2 |
45,732 |
49,884 |
8.3 |
NPCC (U.S.) |
61,065 |
72,923 |
16.3 |
61,798 |
72,800 |
15.1 |
ReliabilityFirst[5] |
188,900 |
219,492 |
13.9 |
191,600 |
219,492 |
12.7 |
SERC |
214,834 |
240,273 |
10.6 |
218,943 |
240,423 |
8.9 |
SPP |
46,248 |
54,328 |
14.9 |
46,947 |
54,630 |
14.1 |
WECC (U.S.) |
149,137 |
175,431 |
15 |
151,837 |
176,064 |
13.8 |
Contiguous U.S. |
822,221 |
950,799 |
13.5 |
836,370 |
953,830 |
12.3 |
More
Tables on Demand, Capacity Resources, and Capacity Margins: |
formats |
Table
3.2. Net Internal Demand, Capacity Resources, and Capacity Margins by North American
Electric Reliability Council Region, Summer |
html |
pdf |
xls |
Table
3.4. Net Internal Demand, Actual or Planned Capacity Resources, and Capacity (Megawatts) |
html |
pdf |
xls |
see also: Electric
Power Monthly Electric
Power Annual annual
electricity statistics back to 1949 projected
electricity capacity to 2030 international
electricity statistics |