Capacity

  The load that a power generation unit or other electrical apparatus or heating unit is rated by the manufacture to be able to meet or supply.
  The maximum load a generating unit, generating station, or other electrical apparatus is rated to carry by the user or the manufacturer or can actually carry under existing service conditions.
  ***
  See Generator capacity and (installed) Generator name plate capacity.
  U.S. Dept. of Energy, Energy Information Administration's Energy Glossary
  ***
  The amount of electric power for which a generating unit, generating station, or other electrical apparatus is rated either by the user or manufacturer. The term is also used for the total volume of natural gas that can flow through a pipeline over a given amount of time, considering such factors as compression and pipeline size.
  There are various types of electricity capacity.:
  • Dependable Capacity: The systems's ability to carry the electric power for the time interval and period specific, when related to the characteristics of the load to be supplied. Dependable capacity is determined by such factors as capability, operating power factor, weather, and portion of the load the station is to supply.
  • Installed (or Nameplate) Capacity: The total manufacturer-rated capacities of equipment such as turbines, generators, condensers, transformers, and other system components.
  • Peaking Capacity: The capacity of generating equipment intended for operation during the hours of highest daily, weekly or seasonal loads.
  • Purchased Capacity: The amount of energy and capacity available for purchase from outside the system
  • Reserve Capacity: Extra generating capacity available to meet peak or abnormally high demands for power and to generate power during scheduled or unscheduled outages. Units available for service, but not maintained at operating temperature, are termed "cold." those units ready and available for service, though not in actual operation, are termed "hot."

Energy terms . 2014.

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  • capacity — ca·pac·i·ty n pl ties 1: a qualification, power, or ability (as to give consent or make a testament) created by operation of law 2: an individual s ability or aptitude; esp: mental ability as it relates to responsibility for the commission of a… …   Law dictionary

  • Capacity — is the ability to hold, receive or absorb, or a measure thereof, similar to the concept of volume.Capacity may also refer to: *Capacity (economics), the point of production at which a firm or industry s average (or per unit ) costs begin to rise …   Wikipedia

  • Capacity — Ca*pac i*ty (k[.a]*p[a^]s [i^]*t[y^]), n.; pl. {Capacities} ( t[i^]z). [L. capacitus, fr. capax, capacis; fr. F. capacit[ e]. See {Capacious}.] 1. The power of receiving or containing; extent of room or space; passive power; used in reference to… …   The Collaborative International Dictionary of English

  • capacity — [kə pas′i tē] n. pl. capacities [ME & OFr capacite < L capacitas < capax: see CAPACIOUS] 1. the ability to contain, absorb, or receive and hold 2. a) the amount of space that can be filled; room for holding; content or volume [a tank with a …   English World dictionary

  • capacity — ► NOUN (pl. capacities) 1) the maximum amount that something can contain or produce. 2) (before another noun ) fully occupying the available space: a capacity crowd. 3) the total cylinder volume that is swept by the pistons in an internal… …   English terms dictionary

  • capacity — early 15c., from M.Fr. capacité (15c.), from L. capacitatem (nom. capacitas) breadth, capacity, from capax (gen. capacis) able to hold much, from capere to take (see CAPABLE (Cf. capable)). Meaning largest audience a place can hold is 1908. Verb… …   Etymology dictionary

  • capacity — [n1] volume; limit of volume held accommodation, amplitude, bulk, burden, compass, contents, dimensions, expanse, extent, full, holding ability, holding power, latitude, magnitude, mass, measure, proportions, quantity, range, reach, retention,… …   New thesaurus

  • Capacity —   [engl.], Kapazität …   Universal-Lexikon

  • capacity — *ability, capability Analogous words: amplitude, *expanse, spread: extent, magnitude, *size, volume: aptitude, *gift, faculty, talent, bent, turn, knack Antonyms: incapacity Contrasted words: powerlessness, impotence (see corresponding adjectives …   New Dictionary of Synonyms

  • capacity — n. ability to hold 1) to capacity (filled to capacity) 2) lung; seating; storage capacity 3) a capacity of (a capacity of twenty gallons) ability 4) intellectual, mental capacity 5) one s earning capacity 6) a capacity for (a capacity for making… …   Combinatory dictionary

  • capacity — A lending and credit analysis term that describes a borrower s or applicant s ability to meet debt service obligations. See debt service coverage. American Banker Glossary credit grantor s measurement of a person s ability to repay loans.… …   Financial and business terms


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