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Market participants who trade frequently, often many times a day, and therefore are attune to the ebbs and flows, the rumors, breaking news, activities of other market participants, market price, arbitrage opportunities and other rapidly-changing factors.
- Browse Related Terms: Active traders, Exchange, Hedging, Hirschman-Herfindahl Index (HHI) Market share analysis, Hub, Market capitalization, Market concentration, Market power, Price/Earnings Ratio (P/E Ratio), Transparency, Volatility, Zonal price
All > Science > Energy > Energy Market
Those services necessary to support the transmission of electric power from seller to purchaser, given the obligations of control areas and transmitting utilities within those control areas, to maintain reliable operations of the interconnected transmission system. Ancillary services supplied with generation include load following, reactive power-voltage regulation, system protective services, loss compensation service, system control, load dispatch services, and energy imbalance services.
- Browse Related Terms: Ancillary services, Automatic generation control, availability, Baseload Unit, Capacity factor, Control area, Financial liquidity, Fuel-adjustment clause, Installed capacity, Load pocket, Mothballed capacity, Peaking capacity, Plant factor, Ramp rate, Reliability must run (RMR), Retail unbundling, Voltage reduction, Wholesale electricity markets
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All > Science > Energy > Energy Market
The simultaneous purchase of a commodity or derivative in one market and the sale of the same, or similar, commodity or derivative in another market in order to exploit price differentials.
- Browse Related Terms: 12-month strip, Arbitrage, Delivery Point(s), Financial transmission right, Forward price curve, Futures market, Henry Hub, Locational marginal price, long, Mark-to-market, Physical basis, Reference price, Short position, Spark spread, Uplift, West Texas Intermediate (WTI)
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All > Science > Energy > Energy Market
A procedure under which the bids of individual suppliers are capped under certain predetermined conditions.
- 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
All > Science > Energy > Energy Market
The automatic regulation of the power output of electric generators within a prescribed range in response to a change in system frequency, or tie-line loading, to maintain system frequency or scheduled interchange with other areas within predetermined limits.
- Browse Related Terms: Ancillary services, Automatic generation control, availability, Baseload Unit, Capacity factor, Control area, Financial liquidity, Fuel-adjustment clause, Installed capacity, Load pocket, Mothballed capacity, Peaking capacity, Plant factor, Ramp rate, Reliability must run (RMR), Retail unbundling, Voltage reduction, Wholesale electricity markets
All > Science > Energy > Energy Market
The amount of time an electrical generator is generating or available to generate, as a fraction of the total time the generator is in commercial service.
- Browse Related Terms: Ancillary services, Automatic generation control, availability, Baseload Unit, Capacity factor, Control area, Financial liquidity, Fuel-adjustment clause, Installed capacity, Load pocket, Mothballed capacity, Peaking capacity, Plant factor, Ramp rate, Reliability must run (RMR), Retail unbundling, Voltage reduction, Wholesale electricity markets
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