Study: Energy efficiency could lower consumption by five to fifteen percent

San Francisco, November 14, 2011 — A survey of 50 energy experts released by economists at The Brattle Group reveals that energy efficiency is likely to cause a drop of 5 to 15 percent in U.S. electricity consumption by the year 2020, relative to forecast trends.

Electric peak demand is likely to drop by 7.5 to 15 percent compared to forecast trends, and natural gas consumption is expected to drop by 5 to 10 percent compared to forecast trends.

These reductions will likely be brought on by factors such as the rising costs of generating and delivering electricity and natural gas, rapid advances in appliance and building technology, innovative rate design, and cultural shifts in American values that encourage behavioral change.

The analysis reveals a surprising consensus on the size of the impact from increased energy efficiency in the U.S. However, it also finds considerable variation across regions, sectors, programs and end-uses.

For instance, the West North Central Division is expected to only see savings in electricity consumption in the 1.5 to 2.5 percent range, while the Mountain Division is expected to see savings in the 5 to 16 percent range.

Dynamic pricing programs are expected to garner between 7.5 to 20 percent of residential consumers, while participation rates for commercial and industrial consumers will range from 10 to 30 percent.

“The survey clearly shows that the age of energy efficiency has not come to an end,” said Ahmad Faruqui, one of the study’s authors. “On the contrary, the survey heralds a period of acceleration for energy efficiency.”

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