End Use

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This post is part of our definitions series on “eco-lingo” and technical terms.

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Studies frequently segment energy or water use by “end use”,  or the reason the energy was consumed, in order to better understand how the resource is used. For both energy and water, consumption is often first broken down by sector (commercial, residential, industrial) and then by end use (lighting, heating, etc.)

The first graph below is of California electricity use by sector. The second graph below is of California electricity use by sector AND by end use.

The end use categorizations in the graphs above are still pretty broad categories – some analyses break them down even further. The original data in the graphs comes from a CEC staff report. I used the same aggregate categories as Flex Your Power:

  • The Commercial Misc. category includes refrigeration, hot water, cooking, and office equipment.
  • The Residential Other category includes water heating, cooking, pool/spa, clothes washers, dishwashers, and freezers.
  • Industrial Process includes process fans, heating, pumping, and refrigeration.
  • Industrial Other includes material handling and processing.
  • The “Other” category includes street lighting and other government end uses.

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What exactly does “sustainability” mean? How about “green”, “eco” or “environmentally friendly”? The truth is that these terms are just vague enough to mean many different things to many different people. With the staggering array of “green” products, ‘lifestyles’ and concepts being promoted by marketers and environmentalists alike (as well as the necessary coining of new terms to match new ideas) our definition series aims to make sense of the rising tide of “eco-lingo” and technical terms.

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