Energy flow in the US

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US Energy Flow 2016.png

The total estimated energy consumption in the USA in 2016 was 97.3 quadrillion BTU (quads).[1]

Note that 68.2% of the energy generated is lost as heat or in transmission. A similar figure (66.4%) applies to electricity generation alone, which remains dominated by thermal production (natural gas, coal, and nuclear), in which only around one-third of the energy contained in the source is converted to electrical energy.

It should be noted that production from intermittent sources, i.e., wind and solar, represents only a fraction of the turbine or panel’s capacity. A wind turbine, for example, generates electricity at an annual average rate of 25%–35% of its capacity.[2] And it generates at or above its average rate only 40% of the time.[3][4]