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DRWG JULY 31, 2013 | HOLYOKE MA DOUG SMITH MANAGER OF DEMAND RESOURCE ADMINISTRATION July 19 th 2013 OP4 Action 2 Initial Real Time Demand Resource Performance Slide 2 Presentation Notes All performance based on meter data submitted for initial settlement. Meter data corrections are allowed until October 9. Net CSO is the amount dispatched and is typically CSO less the gross-up for losses Performance and Dispatched MW values are rounded to the nearest MW 2 Slide 3 July 19 th OP4 Event Background During the entire week of July 15 th New England extremely hot and humid weather, and ISO-NE declared MLCC #2 at 10:45 AM on July 15 th. ISO-NE forecasted the likely need for OP4 on three days that week, including Friday. On Friday morning the operating reserve projection was for a deficiency of 449 MW. OP4 Action 1 was declared at 12:00 OP4 Action 2 was declared at 13:00 and all RTDR except for Maine zones was dispatched. Actions 3 and 4 (for all areas but ME) followed. Peak hour had been forecast to be HE 15:00 but actual peak hour was HE 17:00. OP4 Action 2 was cancelled at 20:30. 3 Slide 4 4 RTDR Performance of Real Time Event of July 19 th, 2013 Duration of the July 19th, 2013 Real Time Event (Local Time) MW Dispatched (NET CSO) Performance during 100% Dispatch period (MW) Percent Avg. Performance vs. Net CSO Start Time (after 30 minute ramp)End Time 1:35 PM8:35 PM19318495% Slide 5 5 RTDR Performance on July 19 th, 2013 Including all Intervals of Dispatch Load Zone Net CSO (MW) Initial Performance (MW) Percent of Initial Performance to Net CSO CT 878193% NEMA 2526103% NH 410277% RI 19842% SEMA 10 95% VT 2329127% WCMA 252080% Total 19318495% Slide 6 6 Initial Performance By Hour Ending, 7/19/2013 Load Zone MW Dispatched (Net CSO) HE 14* Percentage Initial Performance HE 14 HE 15 Percentage Initial Performance HE 15 HE 16 Percentage Initial Performance HE 16 CT 8795109%97111%91105% NEMA 2526104%32124%28110% NH 47206%11300%11306% RI 19945%1053%1049% SEMA 1013130%14135%12115% VT 2329128%31136%30131% WCMA 252290%2393%2289% Total 193202104%217112%203105% Slide 7 7 Initial Performance By Hour Ending, 7/19/2013 (Cont.) Load Zone MW Dispatched (Net CSO) HE 17 Percentage Performanc e of HE 17 HE 18 Percentage Performanc e of HE 18 HE 19 Percentage Performanc e of HE 19 CT 8788101%7991%6473% NEMA 2527106%27104%25100% NH 410278%9265%10267% RI 191053%841%630% SEMA 10994%875%876% VT 2329128%30129%28124% WCMA 252081%2185%1873% Total 193194100%18194%15982% Slide 8 8 Initial Performance By Hour Ending, 7/19/2013 (Cont.) Load Zone MW Dispatched (Net CSO) HE 20 Percentage Performance of HE 20 HE 21* Percentage Performance of HE 21 CT 877080%6980% NEMA 252392%1767% NH 410271%10285% RI 19633%631% SEMA 10876%768% VT 2328123%26114% WCMA 251666%1560% Total 19316183%15078% * Performance for HE 14 and HE 21 include only intervals of dispatch. Slide 9 RTDR Performance of Real Time Event of July 19 th, 2013 9 Slide 10 10 Questions