INTANGIBLE ASSETS
 12 Months Ended
Dec. 31, 2015
INTANGIBLE ASSETS [Text Block]

NOTE 5 – INTANGIBLE ASSETS

In June 2014, the Company acquired a group of companies that included geothermal water rights located at The Geysers in Northern California that amounted to $278,872. On December 12, 2014, the Company completed an acquisition of Earth Power Resources Inc. The acquisition included 26,017 acres of geothermal water rights in located in the Crescent Valley area in the State of Nevada valued at $451,608 on the acquisition date. During the year ended December 31, 2014, the Company abandoned the Granite Creek, Nevada area and released the geothermal water and mineral rights originally purchased for $451,299.

Intangible assets, at cost, are summarized by project location as follows:

      December 31,  
      2015     2014  
  In operation:            
       Neal Hot Springs, Oregon:            
               Geothermal water and mineral rights $ 625,337   $ 625,337  
       San Emidio, Nevada:            
               Geothermal water and mineral rights   4,825,220     4,825,220  
       Less: accumulated amortization   (1,299,119 )   (1,117,434 )
      4,151,438     4,333,123  
  Inactive:            
       Raft River, Idaho:            
               Surface water rights   146,342     146,343  
               Geothermal water and mineral rights   1,281,540     1,251,540  
               
       Guatemala City, Guatemala:            
               Geothermal water and mineral rights   625,000     625,000  
               
       Gerlach, Nevada:            
               Geothermal water and mineral rights   997,000     997,000  
               
       Crescent Valley, Nevada:            
               Geothermal water and mineral rights   451,608     451,608  
               
       The Geysers, California:            
               Geothermal water rights   278,872     278,872  
               
       San Emidio, Nevada:            
               Surface water rights   4,323,520     4,323,520  
               Geothermal water and mineral rights   3,440,580     3,440,580  
                       Less: prior accumulated amortization   (430,072 )   (430,072 )
      11,114,390     11,084,391  
               
    $ 15,265,828   $ 15,417,514  

Amortization expense was charged to plant operations for the years ended December 31, 2015 and 2014 that amounted to $181,685 and $181,685 ; respectively.