Tankless Water Heater (Electric) in Jacksonville — $471/yr to Run (14.3¢/kWh)
Your tankless water heater (electric) in Jacksonville costs about $39/month at 14.3¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Jacksonville, FL Electricity Rate
14.3¢/kWh
Utility: JEA (Jacksonville Electric Authority)
+10% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.29
9.0 kWh/day
Monthly Cost
$39.23
274 kWh/mo
Annual Cost
$471
3,285 kWh/yr
Lifetime (20yr)
$9,415
energy only
Monthly Cost Breakdown in Jacksonville
| Period | kWh | Jacksonville Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $1.29 | $1.17 | +$0.12 |
| Weekly | 63.0 | $9.03 | $8.19 | +$0.84 |
| Monthly | 273.8 | $39.23 | $35.59 | +$3.64 |
| Quarterly | 821.3 | $117.69 | $106.76 | +$10.92 |
| Annual | 3285.0 | $470.74 | $427.05 | +$43.69 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Jacksonville.
Daily
$1.29
Monthly
$39.23
Annual
$471
20-Year
$9,415
Energy Saving Tips for Tankless Water Heater (Electric) in Jacksonville
- ✓Jacksonville electricity rates are 10% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in Jacksonville saves ~$94/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$71/year at Jacksonville rates.
- ✓Provides hot water on demand with no standby loss
- ✓Flush annually to remove scale
- ✓Requires dedicated electrical circuit
ENERGY STAR Savings: Upgrading to an ENERGY STAR Tankless Water Heater (Electric) in Jacksonville saves approximately $94/year at local rates — $1,883 over the appliance lifetime.
Highest-Cost Appliances in Jacksonville, FL
See which appliances cost the most to run at Jacksonville's 14.3¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,857/yr
$154.76/mo
Electric Furnace
HVAC · 10,000W
$1,290/yr
$107.48/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$941/yr
$78.46/mo
EV Charger (Level 2)
Garage · 7,200W
$929/yr
$77.38/mo
Boiler (Electric)
HVAC · 6,000W
$774/yr
$64.48/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$706/yr
$58.84/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$706/yr
$58.84/mo
Heat Pump
HVAC · 2,400W
$550/yr
$45.86/mo
Tankless Water Heater (Electric) Cost in Other Florida Cities
| City | Rate | Annual Cost | vs Jacksonville |
|---|---|---|---|
| Jacksonville (current) | 14.3¢ | $471 | — |
| Miami | 14.7¢ | $482 | +$11 |
| Tampa | 14.4¢ | $475 | +$4 |
| Orlando | 13.6¢ | $447 | $-23 |
| St. Petersburg | 13.0¢ | $426 | $-45 |
| Hialeah | 13.1¢ | $429 | $-42 |
| Port St. Lucie | 15.5¢ | $509 | +$38 |
| Tallahassee | 14.6¢ | $479 | +$8 |
| Cape Coral | 13.7¢ | $450 | $-21 |
Tankless Water Heater (Electric) Energy Cost FAQ — Jacksonville, FL
Understanding Tankless Water Heater (Electric) Energy Costs in Jacksonville, FL
In a major metro like Jacksonville, electricity demand is high and rates reflect the cost of maintaining infrastructure for 0.9 million residents. Running a high-draw appliance like the Tankless Water Heater (Electric) (18,000W) at Jacksonville's rate of 14.3¢/kWh costs approximately $471 per year — $44 more than the national average of $427.
Jacksonville rates are 10% above the national average — a modest premium that adds $44 per year to Tankless Water Heater (Electric) operating costs. Over the appliance's 20-year lifespan, that's $874 in cumulative extra spending versus the national average.
With a cost of living index of 102, Jacksonville is near the national median. The Tankless Water Heater (Electric)'s monthly cost of $39.23 represents a typical share of the average Jacksonville electric bill of $116/month. Upgrading to an ENERGY STAR Tankless Water Heater (Electric) can cut energy use by up to 20%, saving approximately $94 per year at Jacksonville rates.
Jacksonville's moderate climate (avg 63.4°F) helps keep seasonal energy cost swings manageable for most appliances. A Tankless Water Heater (Electric) produces approximately 2.35 tons of CO2 annually at typical usage. Jacksonville 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 Jacksonville.
Compare All Energy Costs in Jacksonville
See energy costs for 168+ household appliances at Jacksonville's local electricity rate.