In 2008, 21.64 Quadrillion BTUs (British Thermal Units) of energy were used by houses in the United States. Residential use makes up nearly a quarter of all energy used in this country, making the case for solar and insulation retrofits ever more striking.The Energy Information Administration published a complicated looking diagram illustrating how energy is used in the United States. It is supposed to represent an arrow; the segments on the left hand side show the type, and the four segments on the right side represent how its ultimately used.
For example, out of all the fuel for electricity, transportation, etc., only 7. 3 Quadrillion BTUs are from RENEWABLE SOURCES. This includes hydroelectric, biomass, geothermal, solar/photovoltaic, and wind.
For a more detailed view of the crazy-looking yet comprehensive diagram, you can download it here.
What needs to happen: a larger slice of the pie from renewable energy on the left side, and a smaller slice of the residential pie on the right side.
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