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2012 Settlement Observations: Market Trends and Cost Impacts from August to September

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This report highlights key observations from the Settlement discussions regarding the changes in market prices and costs to serve load from August to September 2012 compared to 2011. The analysis identifies significant weather impacts on price volatility, noting that 2012 experienced less volatility than the previous year. Additionally, the report discusses ongoing initiatives for NPRR 347, related settlement issues, and implementation of changes to the Real Time Invoicing process. Participants are encouraged to stay engaged with the CSWG for updates.

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2012 Settlement Observations: Market Trends and Cost Impacts from August to September

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  1. CSWG Update To COPS10/9/2012 Jim Galvin

  2. Settlement Observations- LZ to Hub Aug 2012 to Sep 2012 Meeting Title (optional)

  3. Settlement Observations- LZ to Hub Aug Year over Year Meeting Title (optional)

  4. Settlement Observations- LZ to Hub Sep Year over Year Meeting Title (optional)

  5. QTD and YTD 2012 v 2011 Price Volatility (North Hub)

  6. Cost to Serve Load- Aug 2012 v 2011

  7. Cost to Serve Load- Sep 2012 v 2011

  8. Settlement Observations- Summary • Summer weather in 2011 more volatile to prices for both HB/LZ and Ancillary Services impacting cost to serve load • Weather 2012 was still above average, but below 2011 • Market Prices continue the trend of declining from 2011 compared to 2012 even with weather impact excluded • Lower Nat Gas prices • Fewer intervals of high price spikes • West Zone to Hub continues to see price separation • Revenue Neutrality trending a bit higher in September indicating payments for PTP’s in Real Time with a financial bias

  9. CSWG Initiatives • NPRR 347 on track for implementation in November 2012 which will change the Real Time Invoicing process/cycle • Settlement Issues • Resettlement of Zonal Operating Day due to ADR • RENA analysis continues • Prepay discussions with Credit for small invoices • System-wide RUC- NPRR language discussed to provide System Wide RUC reporting metrics daily (Make-whole, Clawback, Short-fall and Uplift)

  10. NPRR 347 Implementation Plan • Last DAM Invoice is for Operating Day 11/7, • Posts on 11/9 • Payments due to ERCOT on 11/15, on the 3rd BBD • Last RTM Invoice posts on 11/15 • Payments due to ERCOT on 11/26, on the 5th BBD • First Settlement Invoice posts on 11/12 • Payments due to ERCOT on 11/14, on the 2nd BBD • Settlement Calendar • Entries for Settlement Invoices will be added in October • DAM Invoice and RTM Invoice entries will be deleted in November • Link to ERCOT presentation: http://www.ercot.com/calendar/2012/07/20120716-CSWG

  11. NPRR 347 Implementation Plan • Initial XML document outlining the invoice format will be available in advance for participants to begin formatting their systems for the changes • Limited Testing will be available to ensure Market Participants can retrieve invoices in their new format • Participants are encouraged to continue to follow CSWG for updates and information

  12. Questions? Meeting Title (optional)

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