blackhillsenergy.com
Black Hills/Colorado Elec.Utility Co. LP's energy comes from natural gas, wind, and hydroelectric. Natural Gas is the largest source of electricity, providing 71% of Black Hills/Colorado Elec.Utility Co. LP's energy. Wind is the second largest source, making up 28%. Hydroelectric provides 1% of Black Hills/Colorado Elec.Utility Co. LP's electricity.
71%
Natural Gas
28%
Wind
1%
Hydroelectric
The average electricity rate for Black Hills/Colorado Elec.Utility Co. LP customers is 17.99 cents/kWh. Black Hills/Colorado Elec.Utility Co. LP has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| RESIDENTIAL – ELECTRIC VEHICLE TIME OF DAY | TOU | 15¢ to 32¢ |
| Residential Other Service | Fixed | 11¢ |
| Residential Service | Fixed | 16¢ to 19¢ |
In 2021, the average Black Hills/Colorado Elec.Utility Co. LP customer lost electricity for 2 times for about 170 minutes each. In total, the average Black Hills/Colorado Elec.Utility Co. LP customer had their electricity out for about 332 minutes during the whole year.
Credited to customer's next bill at retail rate indefinitely. At end of each calendar year, IOU customers may opt to roll over credit or to receive payment at IOU's average hourly incremental cost. Municipality and co-ops provide annual reconciliation at a rate they deem appropriate.