Smartphone Charger in Columbia — $3/yr to Run (12.7¢/kWh)
Your smartphone charger in Columbia costs about $0/month at 12.7¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Columbia, MD Electricity Rate
12.7¢/kWh
Utility: BGE
-3% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.01
0.1 kWh/day
Monthly Cost
$0.23
2 kWh/mo
Annual Cost
$3
22 kWh/yr
Lifetime (3yr)
$8
energy only
Monthly Cost Breakdown in Columbia
| Period | kWh | Columbia Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 0.1 | $0.01 | $0.01 | $-0.00 |
| Weekly | 0.4 | $0.05 | $0.05 | $-0.00 |
| Monthly | 1.8 | $0.23 | $0.24 | $-0.01 |
| Quarterly | 5.5 | $0.69 | $0.71 | $-0.02 |
| Annual | 21.9 | $2.77 | $2.85 | $-0.07 |
Customize Your Smartphone Charger Cost
Adjust usage hours and electricity rate to calculate your exact cost in Columbia.
Daily
$0.01
Monthly
$0.23
Annual
$3
3-Year
$8
Energy Saving Tips for Smartphone Charger in Columbia
- ✓Columbia has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓Unplug charger when not in use
- ✓Use original or certified chargers
- ✓Avoid overnight charging
Highest-Cost Appliances in Columbia, MD
See which appliances cost the most to run at Columbia's 12.7¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,642/yr
$136.84/mo
Electric Furnace
HVAC · 10,000W
$1,140/yr
$95.02/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$832/yr
$69.37/mo
EV Charger (Level 2)
Garage · 7,200W
$821/yr
$68.42/mo
Boiler (Electric)
HVAC · 6,000W
$684/yr
$57.02/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$624/yr
$52.03/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$624/yr
$52.03/mo
Heat Pump
HVAC · 2,400W
$487/yr
$40.54/mo
Smartphone Charger Cost in Other Maryland Cities
| City | Rate | Annual Cost | vs Columbia |
|---|---|---|---|
| Columbia (current) | 12.7¢ | $3 | — |
| Baltimore | 15.6¢ | $3 | +$1 |
| Silver Spring | 15.8¢ | $3 | +$1 |
| Frederick | 15.6¢ | $3 | +$1 |
| Waldorf | 16.0¢ | $3 | +$1 |
| Ellicott City | 13.7¢ | $3 | +$0 |
| Glen Burnie | 15.5¢ | $3 | +$1 |
| Rockville | 14.7¢ | $3 | +$0 |
| Bethesda | 14.9¢ | $3 | +$0 |
Smartphone Charger Energy Cost FAQ — Columbia, MD
Understanding Smartphone Charger Energy Costs in Columbia, MD
Columbia is a mid-sized Maryland city where residential electricity rates from BGE are shaped by regional energy supply and local demand patterns. Running a low-draw appliance like the Smartphone Charger (20W) at Columbia's rate of 12.7¢/kWh costs approximately $3 per year — $0 less than the national average of $3.
Rates in Columbia are close to the national average, so the Smartphone Charger's annual cost of $3 is broadly representative of what most US households pay. Over the 3-year expected lifespan, total energy cost reaches $8.
Columbia has a high cost of living (index: 127.2), which means electricity is just one of many above-average expenses. Reducing appliance energy costs — even by small amounts — contributes to meaningful household savings in this market. Since no ENERGY STAR or smart version is currently available for this appliance, reducing usage hours is the primary way to cut costs.
Columbia's moderate climate (avg 56°F) helps keep seasonal energy cost swings manageable for most appliances. A Smartphone Charger produces approximately 0.02 tons of CO2 annually at typical usage. Columbia residents can reduce this footprint by optimizing usage patterns, or investing in solar — see our solar savings calculator for Columbia.
Compare All Energy Costs in Columbia
See energy costs for 168+ household appliances at Columbia's local electricity rate.