Transmission Security Limits (TSL) – Transmission security is evaluated as part of NYISO’s reliability planning process. TSL floor values are designed to ensure that minimum capacity requirements for specific localities can be met without depending on transfer levels that might pose transmission security risks during peak system conditions.

Source: https://www.nyiso.com/documents/20142/46865072/TSL%20Floor%20Methodology%20Update%20-%2009102024%20ICAPWG.pdf/6b6b842a-5b83-93fc-1d28-de23a96346ce

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NYISO Installed Capacity Market Summer Strip 2024 Update | Capacity Watch Blog

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The NYISO Summer Capability Period will begin on May 1st, with the following auction schedule:
Wednesday, March 27th – The NYISO ICAP Summer 2024 Strip Auction Bid Period Opens.
Thursday, March 28th – The Summer Strip Auction Bid Period closes.
Monday, April 1st – Results of the auction are posted.
Tuesday, April 9th – First monthly auction for Summer 2024.
April 24th – 25th – May Spot Market Auction.
April 29th – May Spot Market Auction results are posted.

ESAI’s Capacity Watch update to clients discusses the key auction parameters, changes in supply since Summer 2023/24, and ESAI’s forecast for the Summer period.  ESAI’s NYISO Capacity Watch update includes predicted Summer 2024 Clearing prices for NYCA, Zone J, Zone K, and the G-J Locality.

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