rockfalls61071.net
City of Rock Falls's energy comes from hydroelectric, and oil. Hydroelectric is the largest source of electricity, providing 91% of City of Rock Falls's energy. Oil is the second largest source, making up 9%.
91%
Hydroelectric
9%
Oil
City of Rock Falls has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| Rate R (Residential) | Fixed | 10¢ |
Non-competitive customers: Credited to customer's next bill as a kWh credit at the retail rate; granted to utility at end of a 12-month billing cycle Competitive customers: Credited to customer's next bill as a kWh credit at electricity provider's avoided cost of electricity supply over the monthly period
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