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The electric energy used for the remaining hours that are not on-peak. (See on-peak).
- Browse Related Terms: Demand, Gigawatt (GW), Kilowatt (kW), Kilowatthour (kWh), Losses, Megawatt (MW), Megawatthour (MWh), Off-Peak, Tolling agreement, Watt (W), Watthour (Wh)
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A block of (usually 16) hours in each week-day when demand is at its peak. On-peak definitions for physical electricity vary by North America Electric Reliability Council region. Standardized products are used on certain financial exchanges.
- Browse Related Terms: Demand elasticity, Demand responsiveness/demand response, Load control, Load shedding, On-Peak, Pivotal supplier, Reserve margin, Rolling blackouts, Volumetric risk
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Order No. 888 requires utilities to allow others to use their transmission and distribution facilities, to move bulk power from one point to another on a nondiscriminatory basis for a cost-based fee.
- Browse Related Terms: Automated mitigation procedure, City Gate, Congestion costs, Electric utilities, Firm transportation, Local distribution company (LDC), Locational installed capacity, North American Electric Reliability Council (NERC), open access, Peakshaving LNG facility, Transmission, Usage charge
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The process whereby futures contracts are traded in an actual physical trading pit at the exchange where traders shout offers and bids to each other and bids or offers to effect a transaction.
- Browse Related Terms: Collateral, Credit, Credit risk, Financial markets, Financial transaction, Financially settled, IntercontinentalExchange (ICE), Margin requirement, Open outcry, Price discovery, Risk Management
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That capability above firm system demand required to provide for regulation, load forecasting error, equipment forced and scheduled outages, and local area protection.
- Browse Related Terms: Capacity margin, congestion, Critical notices, Curtailable load, First Contingency Reliability Criteria, Independent system operator (ISO), Interruptible or nonfirm transportation, Intertie, Load-serving entity (LSE), Loop flow, Marginal electric generating unit, Native load, Operating reserves, Outage, Regional Transmission Organization (RTO), Transmission loading relief (TLR)
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The period during which a generating unit, transmission line, or other facility is out of service. A forced or unplanned outage is the shutdown of a generating unit, transmission line or other facility for emergency reasons. A scheduled or planned outage is the shutdown for inspection or maintenance, in accordance with an advance schedule.
- Browse Related Terms: Capacity margin, congestion, Critical notices, Curtailable load, First Contingency Reliability Criteria, Independent system operator (ISO), Interruptible or nonfirm transportation, Intertie, Load-serving entity (LSE), Loop flow, Marginal electric generating unit, Native load, Operating reserves, Outage, Regional Transmission Organization (RTO), Transmission loading relief (TLR)
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