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Utilities:
Electricity
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| Texas
Regional Electricity Demand and Capacity |
| Texas
Region: ERCOT Interconnection |
Total
Internal Demand
(MW) |
Net
Internal
Demand
(MW) |
Planned
Capacity Resources
(MW) |
Reserve
Margins
(% of Net Internal
Demand) |
Capacity
Margins
(% of Capacity Resources) |
| Summer
2005 |
62,906 |
61,505 |
78,725 |
28.0% |
21.9% |
| Winter
2005/2006 |
44,427 |
43,034 |
82,609 |
92.0% |
47.9% |
| Summer
2009 |
69,166 |
67,765 |
79,853 |
17.8% |
15.1% |
| Winter
2009/2010 |
48,089 |
46,696 |
82,946 |
77.6% |
43.7% |
Source:
Reliability Assessment 2003– 2012, North American Electric Reliability
Council |
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