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Imperial Irrigation District's energy comes from geothermal, solar, natural gas, biomass, and hydroelectric. Geothermal is the largest source of electricity, providing 53% of Imperial Irrigation District's energy. Solar is the second largest source, making up 23%. Natural Gas provides 16% of Imperial Irrigation District's electricity. Biomass provides 5% of Imperial Irrigation District's electricity. Hydroelectric provides 3% of Imperial Irrigation District's electricity.
53%
Geothermal
23%
Solar
16%
Natural Gas
5%
Biomass
3%
Hydroelectric
The average electricity rate for Imperial Irrigation District customers is 14.42 cents/kWh. Imperial Irrigation District has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| RESIDENTIAL SERVICE | Fixed | 12¢ |
In 2021, there were no outages recorded in Imperial Irrigation District.
NEM 2.0 Credited to customer's next bill at retail rate. After 12-month cycle, customer may opt to roll over credit indefinitely or to receive payment for credit at a rate equal to the 12-month average spot market price for the hours of 7 am to 5 pm for the year in which the surplus power was generated. (If customer makes no affirmative decision, credit is granted to utility with no compensation for customer.)