A piece from an Australian renewable website — the piece is on energy storage — provides the info below (2 paragraphs), and the graphic above:
One thing’s clear: in many major U.S. power markets, demand charges are going way up as energy charges are shrinking. Here’s one chart [ABOVE] demonstrating that trend for California utilities Pacific Gas & Electric and Southern California Edison, courtesy of energy storage startup Stem.
Similar trends exist in New York and the Northeastern U.S., in Hawaii, in Colorado and in other markets, according to Stefan Kratz, sales director for Stem. Buildings with “peaky” loads (that is, hard-to-predict spikes in usage) have a particularly hard time managing demand, which makes an energy storage system that automatically kicks in to smooth out those peaks a resource with considerable value.
Source: http://electricalcontractor.com/?p=12175
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