demand integration update to dswg ercot emergency responsive service (ers) report to the public...
TRANSCRIPT
Demand Integration Update to DSWGERCOT Emergency Responsive Service (ERS)
Report to the Public Utility Commission of Texas for the 2013 ERS Program Year
Project No. 27706
Attachment B
Contents
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Procurement Summary• Capacity (MW) offered and procured• Number & Average Size of ERS-10 Resources• Cumulative Individual Sites Participating in ERS-10
Suspensions Due to Availability or Load Test Failures
Settlement Summary
Detailed procurement results by Standard Contract Term
Fleet Level Summary for January 6, 2014 EEA Event
Standard Contract Terms & Time Periods
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ERS is procured 3 times annually for 4-month Standard Contract Terms• February through May• June through September• October through January
Participants may offer to provide ERS for one or more Time Periods:• Business Hours 1: 8AM to 1PM Monday-Friday* • Business Hours 2: 1PM to 4PM Monday-Friday* • Business Hours 3: 4PM to 8PM Monday-Friday* • Non-Business Hours: All other hours
*Except ERCOT Holidays
Time Periods are designed to allow flexibility for customers during traditional business hours
Time Periods have been in effect in current form since the June-September 2008 EILS Contract Period
ERS-10 Capacity Procurement Trends (Business Hours 1)
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ERS-10 Capacity Procurement Trends (Business Hours 2)
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ERS-10 Capacity Procurement Trends (Business Hours 3)
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ERS-10 Capacity Procurement Trends (Non-Business Hours)
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Procurement Trends (number & avg. size of Resources)
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Cumulative Individual Sites Participation
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Suspension History
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ERS Resources suspended during the 2013 program year due to availability failures, two consecutive load test failures, or event failures
• Suspended Resources may regain eligibility only after submitting a corrective action plan and successfully completing a load-shed test administered by ERCOT
Settlement Summary
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*Adjustments may be made for the following reasons: availability, event performance, disputes, data corrections.
Standard Contract
Term
Projected cost based on procurement
Initial Cost* Final Cost* Final % of original
FebMay11 7,703,107.30$ 6,581,603.30$ 6,643,557.73$ 86.2%AprMay11 1,110,406.64$ 1,091,783.88$ 1,091,783.88$ 98.3%JunSep11 7,748,302.46$ 6,780,901.29$ 6,780,901.29$ 87.5%
Oct 11Jan12 8,731,702.58$ 8,364,694.14$ 8,364,694.14$ 95.8%Total 2011 25,293,518.97$ 22,818,982.61$ 22,880,937.04$ 90.5%FebMay12 $8,903,726.90 8,903,726.90$ 8,832,429.67$ 99.2%JunSep12 $11,621,720.72 11,278,038.52$ 11,278,038.52$ 97.0%
Oct12Jan13 $10,246,067.12 10,245,657.90$ 10,245,657.90$ 100.0%Total 2012 30,771,514.74$ 30,427,423.32$ 30,356,126.09$ 98.7%FebMay13 9,646,584.83$ 9,617,304.07$ 9,617,304.07$ 99.7%JunSep13 12,042,160.83$ 12,042,160.85$ N/A
Oct13Jan14 12,744,451.58$ N/ATotal 2013 34,433,197.24$ N/A N/A N/A
Demand Integration Update to DSWG
2013 Results by Standard Contract Term
February-May 2013 Standard Contract Term
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Total Adjusted Cost for this Standard Contract Term: $ 9,617,304.07
June-September 2013 Standard Contract Term
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Total Adjusted Cost for this Standard Contract Term: $ 12,042,160.85
October 2013-January 2014 Standard Contract Term
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Total Projected Cost for this Standard Contract Term: $ 12,744,451.58
Demand Integration Update to DSWG
Summary for January 6, 2014 EEA Event
January 6, 2014 EEA Event Timeline
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7:07:27 VDI-Deploy
All ERS 10 minute Resources were issued a simultaneous verbal deployment instruction (495.72 MW, 398 Resources, 649 Sites)
7:53:16 VDI-Recall All ERS 10 Resources were issued simultaneous verbal recall instruction
Time sequence on January 6, 2014 Deployment Event for ERS-10
Fleet Level Performance for 1/6/2014 Event
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• Graph is based on 15-minute interval data. • Performance is based on a prorated obligation for the 1st partial interval and one full interval. • 1 Resource had prescheduled unavailability from HE0900 - 1600 on the day of the event (14.6 MWs)
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This document is provided for informational purposes only. Procurement and settlement data are subject to revision.