margins are forecast to be below established levels.	
Effective Price	The price, applied to undelivered Instructed Imbalance Energy, calculated by dividing the total payment or charge for Instructed Imbalance Energy by the total Instructed Imbalance Energy, for the Settlement Period.	
Electric Capacity	The continuous demand-carrying ability for which a Generating Unit, or other electrical apparatus is rated, either by the user or by the manufacturer.	
Eligible Customer	(i) any utility (including Participating TOs, Market Participants and any power marketer), Federal power marketing agency, or any person generating Energy for sale or resale; Energy sold or produced by such entity may be Energy produced in the United States, Canada or Mexico; however, such entity is not eligible for transmission service that would be prohibited by Section 212(h)(2) of the Federal Power Act; and (ii) any