1.5 : Generic Fuel Quad and Comparison
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Key Definitions |
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| Quad:
Quadrillion Btu (10^15 or 1,000,000,000,000,000 Btu) |
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| Generic Quad
for the Buildings Sector: One quad of primary energy consumed in the
buildings sector (includes the |
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| residential
and commercial sectors), apportioned between the various primary fuels used
in the sector according to their relative |
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| consumption in
a given year. To obtain this value, electricity is converted into its primary
energy forms according to relative fuel |
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| contributions
(or shares) used to produce electricity in the given year. |
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| Electric Quad
(Generic Quad for the Electric Utility Sector): One quad of primary energy
consumed at electric |
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| utility power
plants to supply electricity to end-users, shared among various fuels
according to their relative contribution in |
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| a given year.
(Note: The consumption of an electric quad results in the delivery of just
under 1/3 the electric quad due to |
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| generation and
transmission losses.) |
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| Primary
Energy: The total energy consumed by an end-user, including the energy used
in the generation and transmission of |
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Also referred to as "source" energy. |
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| Delivered
Energy: The energy consumed by an end-user on site, not including electricity
generation and transmission losses. |
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