Heat Pump Water Heater in Washington — $149/yr to Run (13.6¢/kWh)
Your heat pump water heater in Washington costs about $12/month at 13.6¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Washington, DC Electricity Rate
13.6¢/kWh
Utility: Pepco (Potomac Electric)
+4% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.41
3.0 kWh/day
Monthly Cost
$12.38
91 kWh/mo
Annual Cost
$149
1,095 kWh/yr
Lifetime (15yr)
$2,229
energy only
Monthly Cost Breakdown in Washington
| Period | kWh | Washington Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 3.0 | $0.41 | $0.39 | +$0.02 |
| Weekly | 21.0 | $2.85 | $2.73 | +$0.12 |
| Monthly | 91.3 | $12.38 | $11.86 | +$0.52 |
| Quarterly | 273.8 | $37.15 | $35.59 | +$1.56 |
| Annual | 1095.0 | $148.59 | $142.35 | +$6.24 |
Customize Your Heat Pump Water Heater Cost
Adjust usage hours and electricity rate to calculate your exact cost in Washington.
Daily
$0.41
Monthly
$12.38
Annual
$149
15-Year
$2,229
Energy Saving Tips for Heat Pump Water Heater in Washington
- ✓Washington electricity rates are 4% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Heat Pump Water Heater in Washington saves ~$45/year compared to standard models.
- ✓A smart Heat Pump Water Heater with scheduling optimization can save ~$30/year at Washington rates.
- ✓Keep in a warm area like a garage
- ✓Dont block airflow around unit
- ✓Use heat pump only mode for max savings
ENERGY STAR Savings: Upgrading to an ENERGY STAR Heat Pump Water Heater in Washington saves approximately $45/year at local rates — $669 over the appliance lifetime.
Highest-Cost Appliances in Washington, DC
See which appliances cost the most to run at Washington's 13.6¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,759/yr
$146.56/mo
Electric Furnace
HVAC · 10,000W
$1,221/yr
$101.77/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$892/yr
$74.30/mo
EV Charger (Level 2)
Garage · 7,200W
$879/yr
$73.28/mo
Boiler (Electric)
HVAC · 6,000W
$733/yr
$61.06/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$669/yr
$55.72/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$669/yr
$55.72/mo
Heat Pump
HVAC · 2,400W
$521/yr
$43.42/mo
Heat Pump Water Heater Energy Cost FAQ — Washington, DC
Understanding Heat Pump Water Heater Energy Costs in Washington, DC
In a major metro like Washington, electricity demand is high and rates reflect the cost of maintaining infrastructure for 0.7 million residents. Running a low-draw appliance like the Heat Pump Water Heater (500W) at Washington's rate of 13.6¢/kWh costs approximately $149 per year — $6 more than the national average of $142.
Washington rates are 4% above the national average — a modest premium that adds $6 per year to Heat Pump Water Heater operating costs. Over the appliance's 15-year lifespan, that's $94 in cumulative extra spending versus the national average.
Washington has a high cost of living (index: 157), 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. Upgrading to an ENERGY STAR Heat Pump Water Heater can cut energy use by up to 30%, saving approximately $45 per year at Washington rates.
Washington's moderate climate (avg 44.7°F) helps keep seasonal energy cost swings manageable for most appliances. A Heat Pump Water Heater produces approximately 0.78 tons of CO2 annually at typical usage. Washington residents can reduce this footprint by choosing an ENERGY STAR certified unit, optimizing usage patterns, or investing in solar — see our solar savings calculator for Washington.
Compare All Energy Costs in Washington
See energy costs for 168+ household appliances at Washington's local electricity rate.