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Arizona Corporation Commission . Power Plant & Transmission Siting Summary ACC Staff Presentation October 30, 2001 9. A.R.S. §40-360-07.B ACC Balance Test. Adequacy Economics Reliability. Environment Ecology. Public Interest. House Bill 2040. Effective 8/9/01:

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arizona corporation commission

Arizona Corporation Commission

Power Plant & Transmission

Siting Summary

ACC Staff Presentation

October 30, 20019

a r s 40 360 07 b acc balance test
A.R.S. §40-360-07.BACC Balance Test

Adequacy

Economics

Reliability

Environment

Ecology

Public Interest

ACC Siting Summary

house bill 2040
House Bill 2040

Effective 8/9/01:

  • Power Plants shall file a plan with the Commission 90 days prior to filing an application for a CEC
  • Filed Power Plant plan is confidential
  • All Plans filed with the Commission must now be accompanied by a power flow and stability analysis report showing the effect on the current Arizona transmission system

ACC Siting Summary

generation adequacy determination
GenerationAdequacy Determination
  • Existing Loads with Reserve Margins
  • Projected Loads with Reserve Margins
  • Replace Older, Less Efficient Plants
  • Competitive Margin
  • Ancillary Services

ACC Siting Summary

proposed plants in arizona
Proposed Plants in Arizona

ACC Siting Summary

slide8

Source: Presentation to East of California parties by El Paso Natural Gas Company on April 26, 2001

ACC Siting Summary

staff proposed measures of adequacy security
Staff Proposed Measures of Adequacy & Security
  • There should be sufficient transmission import capacity to reliably serve all loads in a utility’s service area without limiting access to more economical or less polluting remote generation
  • New power plants must have sufficient interconnected transmission capacity to reliably deliver its full outputwithout use of remedial action schemes or displacing apriori generation at the same interconnection for single contingency (N-1) outages

ACC Siting Summary

arizona ehv transmission

San

Juan

Glen

Navajo

Canyon

Four Corners

Mead

McKinley

Mohave

Cholla

Westwing

Coronado

Palo

Verde

Pinnacle

Springerville

Phoenix

Peak

Silver

Kyrene

King

Liberty

North Gila

Saguaro

Yuma

Greenlee

Tortolita

Tucson

Transmission Import

South

Vail

Constrained Areas

Arizona EHV Transmission

ACC Siting Summary

when is enough enough
When is Enough ENOUGH?
  • Water Resources Over Utilized
  • Gas Supply or Delivery Capability Exceeded
  • Transmission System Deliverability Exceeded
  • Market Saturated

ACC Siting Summary

questions
Questions ?

ACC Siting Summary