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Energy Terms | |
| Glossary of Energy Terms | |
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| CAPACITY | 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.:
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." | |
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