Rendering

Component: (Network and Table)
Network
2404402 - Disclosure - LONG-TERM DEBT: Long-term Debt Level 4 (Details)
(http://www.idacorpinc.com/role/LongTermDebtLongTermDebtLevel4Details)
TableSchedule of Long-term Debt Instruments [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001057877 (http://www.sec.gov/CIK)
Debt Instrument [Line Items]Period [Axis]
2016-12-31
2015-12-31
Legal Entity [Axis]Legal Entity [Axis]
Idaho Power CompanyEntity [Domain]Idaho Power CompanyEntity [Domain]
Debt Instrument [Axis]Debt Instrument [Axis]Debt Instrument [Axis]Debt Instrument [Axis]
6.15% Series due 20194.05% Series due 2046Debt Instrument, Name [Domain]6.15% Series due 20194.50% Series due 20203.40% Series due 20202.95% Series Due 20222.50% Series due 20236.00% Series due 20325.50% Series due 20335.50 Series due 20345.875% Series due 20345.30% Series due 20356.30% Series due 20376.25% Series due 20374.85% Series due 20404.30% Series Due 20424.00% Series due 20433.65% Series due 20454.05% Series due 20465.15% Pollution Control Bond due 20245.25% Pollution Control Bond due 2026Secured debt including Humboldt County and Sweetwater County pollution control revenue bondsDebt Instrument, Name [Domain]3.65% Series due 2045Debt Instrument, Name [Domain]6.15% Series due 20194.50% Series due 20203.40% Series due 20202.95% Series Due 20222.50% Series due 20236.00% Series due 20325.50% Series due 20335.50 Series due 20345.875% Series due 20345.30% Series due 20356.30% Series due 20376.25% Series due 20374.85% Series due 20404.30% Series Due 20424.00% Series due 20433.65% Series due 20454.05% Series due 20465.15% Pollution Control Bond due 20245.25% Pollution Control Bond due 2026Debt Instrument, Name [Domain]
Debt Instrument, Interest Rate, Stated Percentage
6.15%  
4.05%  
 
6.15%  
4.50%  
3.40%  
2.95%  
2.50%  
6.00%  
5.50%  
5.50%  
5.875%  
5.30%  
6.30%  
6.25%  
4.85%  
4.30%  
4.00%  
3.65%  
4.05%  
5.15% 1
5.25% 1
  
3.65%  
 
6.15%  
4.50%  
3.40%  
2.95%  
2.50%  
6.00%  
5.50%  
5.50%  
5.875%  
5.30%  
6.30%  
6.25%  
4.85%  
4.30%  
4.00%  
3.65%  
 
5.15% 1
5.25% 1
 
First mortgage bonds
 
120,000,000  
 
0  
130,000,000  
100,000,000  
75,000,000  
75,000,000  
100,000,000  
70,000,000  
50,000,000  
55,000,000  
60,000,000  
140,000,000  
100,000,000  
100,000,000  
75,000,000  
75,000,000  
250,000,000  
120,000,000  
    
250,000,000  
 
100,000,000  
130,000,000  
100,000,000  
75,000,000  
75,000,000  
100,000,000  
70,000,000  
50,000,000  
55,000,000  
60,000,000  
140,000,000  
100,000,000  
100,000,000  
75,000,000  
75,000,000  
250,000,000  
0  
   
Total first mortgage bonds
                      
1,741,000,000  
1,575,000,000  
                     
1,555,000,000  
Pollution control revenue bonds 5.15 Series due 2024
                    
49,800,000 1
                      
49,800,000 1
  
Pollution control revenue bonds 5.25 Series due 2026
                     
116,300,000 1
                      
116,300,000 1
 
Pollution control revenue bonds Variable Rate Series 2000 due 2027
                       
4,360,000  
                     
4,360,000  
Total pollution control revenue bonds
                       
170,460,000  
                     
170,460,000  
American Falls bond guarantee
                       
19,885,000  
                     
19,885,000  
Milner Dam note guarantee
                       
1,064,000  
                     
2,127,000  
Unamortized issuance costs and discounts
                       
(20,731,000) 
                     
(20,998,000) 
Total outstanding debt
                       
1,745,678,000 2
                     
1,726,474,000 2
Current maturities of long-term debt
                       
(1,064,000) 
                     
(1,064,000) 
Long-Term Debt
  
1,744,614,000  
                    
1,744,614,000  
 
1,725,410,000  
                   
1,725,410,000  
Effective cost of outstanding debt
  
4.87%  
                      
4.96%  
                    
1: Humboldt County and Sweetwater County Pollution Control Revenue Bonds are secured by the first mortgage, bringing the total first mortgage bonds outstanding at December 31, 2016, to $1.741 billion.
2: At December 31, 2016 and 2015, the overall effective cost rate of Idaho Power's outstanding debt was 4.87 percent and 4.96 percent, respectively.