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.  This is a summary of gross imports, gross exports and net imports displayed by external control area.
Balancing Market Advisory Summary
Date: 04/01/2016

Offered MWh Scheduled MWh Percent
Bilateral Bids 19949 19949

Generation Bids 523882 345865 66.0%

Imports 79978 73882 92.4%
Exports 31807 26794 84.2%

Net Imports/(Exports) 48171 47088 97.8%
Gross Imports/Exports Summary
Wheel Throughs 6816 6786 99.6%