1 Determine the exact source of the problem. 2  Save the export IIF file to your computer. 3  Right-click the IIF file and click Open with Excel. ( 4 Or, open Excel and drag the .iif file on to the spreadsheet). 5  Find the line indicated in the error message. Right-click the IIF file and click Open with Excel. ( 2 Or, open Excel and drag the .iif file on to the spreadsheet). 3  Find the line indicated in the error message. 4  For example, if the error message says Error on Line 10, look at line 10 of the Excel spreadsheet.
Some moderately hot geothermal resources also exist in the Dakotas, along the Atlantic coast, and in Arkansas and Texas. Someday we may be able to use these resource too. Most geothermal energy is produced in four states--California, Nevada, Utah, and Hawaii.
Drilling a well and testing the temperature deep underground is the most reliable method for locating a geothermal reservoir. U.S. geothermal power plants are located in the West. Most of the geothermal power plants in the United States are in western states and Hawaii, where geothermal energy resources are close to the earth's surface. California generates the most electricity from geothermal energy.