WattBuy’s Guide toElectricity in
Electricity in
Keystone
South Dakota
South Dakota
Here's the average monthly bill, usage, and carbon footprint of residents in Keystone
January
$404highestFebruary
$359March
$155April
$138May
$117June
$112lowestJuly
$129August
$122September
$116October
$127November
$198December
$227Carbon Emissions
243 lbs CO₂
Monthly Usage
1,436 kWh
Keystone's energy comes from Wind, Hydroelectric, Coal, Natural Gas, and Solar. Wind is the largest source of electricity, providing 68% of Keystone's energy. Hydroelectric is the second largest source, making up 20%. Coal provides 6% of the energy in Keystone. Natural Gas provides 4% of the energy in Keystone. Solar provides 2% of the energy in Keystone.
68%
Wind
20%
Hydroelectric
6%
Coal
4%
Natural Gas
2%
Solar
Solar power is on the rise, helping homeowners save on their electricity bills and power their homes sustainably.
780 kWh
Energy generated by average sized system
$10,749
Average system cost
(after federal incentive)
11 years
Payback period
Black Hills Electric Coop, Inc has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| General Service Single Phase (On-Peak Demand) | TOU | 7¢ to 950¢ |
| General Service Single Phase | Fixed | 12¢ |
| Demand Controller Single Phase | TOU | 7¢ to 1000¢ |
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