These transactions are scheduled directly between a generator and a load, that is, bilateral - between two parties. All bilateral bids offered within NY are also automatically scheduled by NYISO.   This is energy brought into New York from neighboring control areas, which include PJM Interconnection, ISO New England, Hydro Quebec and IMO (Ontario). The amount scheduled is determined by price, thus not all that is bid gets scheduled. Energy flowing out of New York to the neighboring control areas. Again price determines how much energy is actually scheduled for export. This is the sum of energy imports less exports. Wheel throughs have no impact on this calculation as their flow in and out nets to zero. The amount of energy purchased in one control area and delivered to another control area, that is, just wheeling through New York. All generating units in New York must submit bids in order to be considered by NYISO. Units are scheduled based on economics and the need to maintain reliable system operation.    

	Balancing Market Advisory Summary
	Date:					02/12/2003
											Offered MWh					Scheduled MWh							Percent
			Bilateral Bids									4376					4376
		Generation Bids									611601							428106					70.0%
		Imports									71732					69156							96.4%
		Exports									18155					17000							93.6%
		Net Imports/(Exports)									53577					52156							97.3%
		Wheel Throughs											2348			2205							93.9%