Fish Tank / Aquarium (50 gallon) in Washington — $89/yr to Run (13.6¢/kWh)
Your fish tank / aquarium (50 gallon) in Washington costs about $7/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
$0.24
1.8 kWh/day
Monthly Cost
$7.43
55 kWh/mo
Annual Cost
$89
657 kWh/yr
Lifetime (15yr)
$1,337
energy only
Monthly Cost Breakdown in Washington
| Period | kWh | Washington Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 1.8 | $0.24 | $0.23 | +$0.01 |
| Weekly | 12.6 | $1.71 | $1.64 | +$0.07 |
| Monthly | 54.7 | $7.43 | $7.12 | +$0.31 |
| Quarterly | 164.2 | $22.29 | $21.35 | +$0.94 |
| Annual | 657.0 | $89.15 | $85.41 | +$3.74 |
Customize Your Fish Tank / Aquarium (50 gallon) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Washington.
Daily
$0.24
Monthly
$7.43
Annual
$89
15-Year
$1,337
Energy Saving Tips for Fish Tank / Aquarium (50 gallon) in Washington
- ✓Washington electricity rates are 4% above the national average — energy efficiency matters more here.
- ✓A smart Fish Tank / Aquarium (50 gallon) with scheduling optimization can save ~$22/year at Washington rates.
- ✓Use LED aquarium lights instead of fluorescent
- ✓Timer for lights reduces energy 50%
- ✓Insulate tank to reduce heater runtime
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
Fish Tank / Aquarium (50 gallon) Energy Cost FAQ — Washington, DC
Understanding Fish Tank / Aquarium (50 gallon) 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 Fish Tank / Aquarium (50 gallon) (150W) at Washington's rate of 13.6¢/kWh costs approximately $89 per year — $4 more than the national average of $85.
Washington rates are 4% above the national average — a modest premium that adds $4 per year to Fish Tank / Aquarium (50 gallon) operating costs. Over the appliance's 15-year lifespan, that's $56 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. While no ENERGY STAR version is available, a smart Fish Tank / Aquarium (50 gallon) with automated scheduling can reduce consumption by 25%, saving $22/year.
Washington's moderate climate (avg 44.7°F) helps keep seasonal energy cost swings manageable for most appliances. A Fish Tank / Aquarium (50 gallon) produces approximately 0.47 tons of CO2 annually at typical usage. Washington residents can reduce this footprint by 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.