At what time does the Day Ahead (DA) market close for PJM?

The Day Ahead (DA) market in the PJM Interconnection typically closes at 12:00 PM Eastern Standard Time (EST) on the day prior to the operating day. This closing time is crucial for ensuring that all market participants have had an opportunity to submit their offers and bids, allowing for a fair and efficient market that balances supply and demand for the upcoming day.

Closing the market at noon allows for sufficient time to process the submitted data, perform necessary calculations, and produce the market results before the operating day begins. Understanding this timing is essential for those involved in market operations and planning, as it affects decision-making and strategy in energy procurement and dispatch.

The other options do not reflect the correct market closure time, as the DA market closes specifically at 12:00 PM EST. The importance of adhering to this closing time contributes to the overall efficiency and reliability of the energy market managed by PJM.