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Texas Bulk Power Study-- An Overview
Abstract
In the 1980's, several significant changes
have evolved in markets for electric power in
Texas. Cogeneration, fuel market volatility,
electric system reliability, generation and
transmission facility construction delays,
construction cost escalation, regional
disparities in load growth, severe economic
cycles, and a variety of legal, health and
environmental issues have contributed to
increasing uncertainty in the utility planning
process. Through more coordination and power
pooling among the state's major utilities within
the Electric Reliability Council of Texas
(ERCOT), a potentially higher level of bulk power
transactions may reduce some uncertainty and
result in cost savings to the utilities involved.
However, both the transactions potential and any
corresponding changes in operating costs are
quite sensitive to assumptions about the price of
natural gas for use as a utility boiler fuel. A large computer model which simulates the
operation of the utilities under the extreme
boundary conditions of zero transactions and fully coordinated economic dispatch results in a
range of transactions from 5% to 14% of total
system energy requirements and a range of cost
savings from less than 1% to nearly 6% of the
ERCOT system variable operating costs.
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Citation
Moore, B. (1988). Texas Bulk Power Study-- An Overview. Energy Systems Laboratory (http://esl.eslwin.tamu.edu). Available electronically from https : / /hdl .handle .net /1969 .1 /92357.