A-C | D-E | F-I | L-N| O-Q | R | S-Z | Acronyms
Self-Schedule - When a market participant commits and/or schedules its resource to provide generation within an hour, whether or not the resource could have been scheduled or dispatched by ISO New England to provide the service.
Settlements Model - Computer-based software used to determine financial settlements in ISO New England.
Settlement Market System (SMS) - A Web-based system that allows market participants to submit internal bilateral transactions (IBTs), meter readings, and installed capacity auction details.
Sink - The point on the transmission system where electric energy is withdrawn.
Source - The point on the transmission system where electric energy is injected.
Spinning Reserve - The reserve capability that a generator can fully convert into electric energy within 10 minutes after receiving a request from ISO New England to do so.
Standing Order - A document the ISO requires from participants that would like their settlement bills paid automatically by the ISO from a cash account funded by the participant. The funded account may or may not be used as financial assurance depending upon whether executed Security Agreements and Control Agreements with a cash-management firm, BlackRock, are in place.
Start-Up Fee - The dollar amount that must be paid to a market participant with an ownership share in a resource each time the generating resource is scheduled to start-up.
Supply - Electricity delivered to the system.
Supply Offer - A resource's proposal to furnish electric energy at a node or provide regulation. A supply offer includes a dollar price and megawatt quantity, timing information, and other information. A supply offer is a subset of a market participant's offer data.
Suspension Test Result - One of the two Financial Assurance tests defined within the Financial Assurance Policy that calculates a participant's obligations compared with its amount of financial assurance, inclusive of its credit limit and posted collateral.
Synchronous Condenser - Either a combustion turbine or hydro resource that is synchronized to the New England transmission system and operates as a motor (i.e., it is consuming energy).
Threshold Price - The Forward Reserve Market price that equals the product of the Forward Reserve Heat Rate and the Forward Reserve Fuel Index. The price changes monthly but shall not exceed $1,000/MWh and must be consistent with the supply offer and demand bid price limitations specified in Market Rule 1.
Transmission Congestion Credit - The allocated share of total congestion charges credited to each FTR holder.
Unforced Capacity (UCAP) - The difference between the installed capacity associated with a generating resource and that resource's forced outage amount.
UCAP Peak Contribution - A daily value, submitted by the assigned meter reader or the host participant, of a participant's share of the New England Control Area coincident peak for the prior calendar year. UCAP peak contribution is determined before the start of each capability year. (See Manual 35 for additional information.)
Unmetered Load - The megawatt load used to balance the metering domain.
Withdrawal - The location where power is taken off (withdrawn) from the system (a.k.a. sink point).
Zone - An aggregation of nodes in the New England Control Area.
Zonal Price - The hourly price for electric energy received in a defined zone.
