SALT LAKE CITY (AP) -- University of Utah researchers plan to dig deep in a new study on geothermal energy.

Geologist Ray Levey says the study plan is to inject water into a dry geothermal well in southeastern Idaho. The heat from rocks beneath the surface can generate energy.

Researchers say most of the geothermal energy in the United States is produced west of the Rocky Mountains, where the hot rocks are closer to the surface. Cool and pressurized water will enhance natural cracks already in the rock.

Geologists plan to use the expanded pathways through the rock in order to get to rocks that are hot enough to produce energy.

The study is scheduled to run five years.

Copyright 2009 The Associated Press.

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