Energy Efficient Markets (9/24, Wood) – Expect to see this number a lot in energy discussions over the next few years: 2.5 cents/kWh. It is the average cost of energy efficiency, a figure pegged this week in a new report by the American Council for an Energy Efficient Economy. This number is big news because it is so small. As a resource, energy efficiency beats out all conventional power sources on price. (See chart below.)
But just because something is cheap, doesn’t mean people will buy it…Efficiency boomed in the early 1990s, but then busted later in the decade when deregulation allowed many utilities to shed their efficiency programs. It is resurging now, part of push by state and federal policy makers to green and ‘smarten’ energy supply. Most utilities do not make money on efficiency, and this is part of the reason it busted in the late 1990s. ACEEE and other efficiency advocates are trying to reshape the image. They refer to efficiency as a fuel – just like wind, sun, coal, natural gas, oil. And they want efficiency to be the ‘first fuel.’ This means that when a utility is planning its energy supply, it first applies as much efficiency as is cost effective and plausible, before it builds more expensive new power.
| Resource | Cost |
| Energy Efficiency | 1.6 cents/kWh to 3.3 cents/kWh |
| Pulverized coal | 7 cents/kWh to 14 cents/kWh |
| Combined cycle natural gas | 7 cents/kWh to 10 cents/kWh |
| Wind energy | 4 cents/kWh to 9 cents/kWh |

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