western area power administration summer status arizona corporation commission special open meeting...

Western Area Power Administration

Summer Status

Arizona Corporation Commission

Special Open Meeting

May 17, 2000

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Introduction

• Western is a federal power marketing agency within the Department of Energy

• Western markets over 10,600 MW of Federal hydropower generation and operates over 16,800 circuit miles of transmission in the western states

• How does Western fit into the Summer Peak 2000 discussion?

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Arizona Status

• Western markets wholesale energy to electrical districts, municipalities, Indian Tribes, and federal facilities throughout Arizona

• In Arizona, the federal generating resources total about 730 MW

• Western’s transmission systems constitute 3,100 miles of the grid in Arizona

• Western markets transmission service to all of the other Arizona utilities

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Load Requirements

• Western’s control area peak for 1999 was 3,150 MW (August)

• Expected control area peak for summer 2000 is 3,154 MW

• Capacity requirements are based on contractual commitments rather than load growth

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Generation Status

• The U.S. Bureau of Reclamation projects:– a surplus water year– no flood releases– water releases based upon down stream orders

• No planned outages during summer months

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Transmission Status

• All transmission is projected to be in service throughout the summer

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Summary

• Western’s capacity requirements are based upon contractual commitments rather than load growth

• Western’s resources are limited by hydrology.

• Western’s policy is to be ready for summer capacity requirements.