Electricity Cost in 21840 21840, MD
Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)
16.57¢
per kWh
$145
avg monthly bill
$1740
annual cost
N/A
energy burden
Rate Comparison
| Location | Rate (¢/kWh) | Monthly Bill |
|---|---|---|
| 21840 21840 | 16.57¢ | $145 |
| Maryland (state avg) | 16.57¢ | $145 |
| National Average | 17.22¢ | $134 |
Appliance Running Costs in 21840
| Appliance | Watts | Monthly Cost |
|---|---|---|
| Air Purifier | 50W | $5.9652 |
| Blender | 400W | $0.19884000000000002 |
| CFL Bulb (13W) | 13W | $0.5169840000000001 |
| Cable / Satellite Box | 35W | $4.1756400000000005 |
| Ceiling Fan | 75W | $4.4739 |
| Central Air Conditioner | 3500W | $139.18800000000002 |
| Chest Freezer | 80W | $9.54432 |
| Clothes Dryer (Electric) | 3000W | $14.913000000000002 |
| Coffee Maker | 900W | $1.118475 |
| Crypto Mining Rig | 1500W | $178.95600000000002 |
Based on 16.57¢/kWh electricity rate and typical daily usage hours.
Other ZIP Codes in Maryland
Frequently Asked Questions
What is the average electricity rate in 21840 21840?
The average residential electricity rate in 21840 21840, MD is 16.57¢ per kWh, which is near the national average of 17.22¢/kWh.
How much is the average electric bill in 21840?
The estimated average monthly electricity bill in 21840 21840 is $145, or about $1740 per year.
What is the energy burden in 21840?
Energy burden data is not available for 21840.