GreenBuild Blog
Nega-gallons and Aqua-vores: New Approaches to Water Conservation
Tuesday, June 29, 2010More than 20 years ago, the energy expert Amory Lovins introduced the term “negawatts” to indicate that conservation of energy would be a reliable alternative way to supply “megawatts” of projected electricity demand. This “least-cost, end-use” approach distinguishes between supply (of energy) and usage (energy end-use demand). Lovins showed that it’s a lot cheaper (and faster) to conserve energy and use energy-efficient appliances than it is to buy more kilowatt-hours of electricity. This is because infrastructure investments (supply) usually cost a lot more (and take a lot longer) than investments in efficiency (demand reduction).
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