nyiso summer 2019 hot weather operations
TRANSCRIPT
©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
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NYISO Summer 2019Hot Weather OperationsWes Yeomans VICE PRESIDENT, OPERATIONS
Management CommitteeSeptember 25, 2019Rensselaer, NY
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Agenda Summer 2019 Hot Weather Operations Summer Ambient Temperatures & Loads
• Thursday, July 18 – Sunday July 21• Monday, July 29 – Tuesday, July 30
Loads & Peaks Renewable Forecasting & Actual Generation
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July 18-21 Hot Weather Operations Heat indexes as high as 110 F over the weekend Recorded all-time peak for a Sunday on July 21 at 30,339 MW Met reliability criteria with surplus operating margins No activations of SCR/EDRP required No need for statewide supplemental capacity commitments Operations participated in one NPCC conference call Prior to July 18, Transmission Owners rescheduled transmission work Local reliability commitments per NYSRC ARR rules Transmission Owners did activate utility (retail) demand response programs No need for emergency actions such as emergency purchases or voltage reduction
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©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
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July 29-30 Hot Weather Operations Met reliability criteria with surplus operating margins No activations of SCR/EDRP required No need for statewide supplemental capacity commitments Prior to July 29, Transmission Owners rescheduled transmission work Local reliability commitments per NYSRC ARR rules Transmission Owners did activate utility (retail) demand response
programs No need for emergency actions such as emergency purchases or voltage
reduction
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Ambient Conditions Daily mean temperatures were above the 20-year average in July; near
average in June and August; and below average in May• 12 days with highs above 90F in Albany (https://www.weather.gov/media/aly/Climate/90DegreeDays.pdf)
Total load (GWh) was below 50/50 projections Peak load was below the 50/50 projection for the 6th consecutive summer
• Summer 2019 50/50 forecast was 32,382 MW• Summer 2019 actual peak load was 30,397 MW (July 20)
• Summer 2018 actual peak load was 31,861 MW
Four days with peak loads over 30,000 MW
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DRAFT – FOR DISCUSSION PURPOSES ONLY
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©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
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©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
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©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
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©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
Renewable Production (Daily)
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Rene
wab
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Daily Wind & Solar Production07/19/2019 - 07/21/2019
Avg Wind Energy Avg Solar Energy
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©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
Renewable Production (Hourly)
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Hourly Wind & Solar Production07/19/2019 - 07/21/2019
NYCA LOAD Wind Production Solar Production
7/19: Peak Load in HB 17 of 29,322MW. Wind/Solar generated 1%/2% of the load in this hour.
7/20: Peak Load in HB 16 of 30,397MW. Wind/Solar generated 2%/2% of the load in this hour.
7/21: Peak Load in HB 17 of 30,339MW. Wind/Solar generated 2%/1% of the load in this hour.
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©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
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Day-Ahead Forecast Curtailed Wind Actual Peak Wind Speed
©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
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July 19-21, 2019 NYCA BTM Solar Profile ( ~1,614MW)
Day-Ahead Forecast Actual
©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
Renewable Production (Daily)
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Daily Wind & Solar Production07/29/2019 - 07/30/2019
Avg Wind Energy Avg Solar Energy
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©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
Renewable Production (Hourly)
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Load
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Hourly Wind & Solar Production07/29/2019 - 07/30/2019
NYCA LOAD Wind Production Solar Production
7/29: Peak Load in HB 16 of 30,383MW. Wind/Solar generated 1%/2% of the load in this hour.
7/30: Peak Load in HB 17 of 30,068MW. Wind/Solar generated %/1% of the load in this hour
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©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
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Win
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eed
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Win
d M
WHeat Wave - NYCA Wind Profile
7/29/2019-7/30/2019
Day-Ahead Forecast Curtailed Wind Actual Peak Wind Speed
©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
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BTM
Sol
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WJuly 29-30, 2019 - NYCA BTM Solar Profile (~1,614MW)
Day-Ahead Forecast Actual
©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
Retail Demand Response Program ActivationsDate Transmission OwnerJune 27, 2019 Con Ed, LIPA, National Grid, Orange & RocklandJuly 10, 2019 RG&EJuly 11, 2019 RG&EJuly 16, 2019 RG&EJuly 17, 2019 Con Ed, LIPAJuly 18, 2019 RG&EJuly 19, 2019 Central Hudson, Con Ed, National Grid, NYSEG, RG&EJuly 20, 2019 Con Ed, LIPAJuly 21, 2019 Con Ed, LIPAJuly 22, 2019 Con EdJuly 29, 2019 LIPA, RG&EJuly 30, 2019 Central Hudson, Con Ed, LIPAJuly 31, 2019 Orange & RocklandAugust 08, 2019 Central HudsonAugust 19, 2019 Central Hudson, Con Ed, NYSEG, RG&EAugust 20, 2019 Con EdAugust 22, 2019 Con Ed
©COPYRIGHT NYISO 2019. ALL RIGHTS RESERVED
DRAFT – FOR DISCUSSION PURPOSES ONLY
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