Electricity Cost in 57421 57421, SD
Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)
13.74¢
per kWh
$133
avg monthly bill
$1596
annual cost
N/A
energy burden
Rate Comparison
| Location | Rate (¢/kWh) | Monthly Bill |
|---|---|---|
| 57421 57421 | 13.74¢ | $133 |
| South Dakota (state avg) | 13.74¢ | $133 |
| National Average | 17.22¢ | $134 |
Appliance Running Costs in 57421
| Appliance | Watts | Monthly Cost |
|---|---|---|
| Air Purifier | 50W | $4.9464 |
| Blender | 400W | $0.16488 |
| CFL Bulb (13W) | 13W | $0.428688 |
| Cable / Satellite Box | 35W | $3.46248 |
| Ceiling Fan | 75W | $3.7098 |
| Central Air Conditioner | 3500W | $115.416 |
| Chest Freezer | 80W | $7.9142399999999995 |
| Clothes Dryer (Electric) | 3000W | $12.366 |
| Coffee Maker | 900W | $0.92745 |
| Crypto Mining Rig | 1500W | $148.392 |
Based on 13.74¢/kWh electricity rate and typical daily usage hours.
Other ZIP Codes in South Dakota
Frequently Asked Questions
What is the average electricity rate in 57421 57421?
The average residential electricity rate in 57421 57421, SD is 13.74¢ per kWh, which is below the national average of 17.22¢/kWh.
How much is the average electric bill in 57421?
The estimated average monthly electricity bill in 57421 57421 is $133, or about $1596 per year.
What is the energy burden in 57421?
Energy burden data is not available for 57421.