Water Heater (Tank Electric) in Ontario — $1,521/yr to Run (30.9¢/kWh)
Your water heater (tank electric) in Ontario costs about $127/month at 30.9¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Ontario, CA Electricity Rate
30.9¢/kWh
Utility: Pacific Gas & Electric
+137% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$4.17
13.5 kWh/day
Monthly Cost
$126.72
411 kWh/mo
Annual Cost
$1,521
4,928 kWh/yr
Lifetime (12yr)
$18,248
energy only
Monthly Cost Breakdown in Ontario
| Period | kWh | Ontario Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 13.5 | $4.17 | $1.76 | +$2.41 |
| Weekly | 94.5 | $29.16 | $12.29 | +$16.88 |
| Monthly | 410.6 | $126.72 | $53.38 | +$73.34 |
| Quarterly | 1231.9 | $380.16 | $160.14 | +$220.01 |
| Annual | 4927.5 | $1520.63 | $640.58 | +$880.05 |
Customize Your Water Heater (Tank Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Ontario.
Daily
$4.17
Monthly
$126.72
Annual
$1,521
12-Year
$18,248
Energy Saving Tips for Water Heater (Tank Electric) in Ontario
- ✓Ontario electricity rates are 137% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Water Heater (Tank Electric) in Ontario saves ~$NaN/year compared to standard models.
- ✓A smart Water Heater (Tank Electric) with scheduling optimization can save ~$76/year at Ontario rates.
- ✓Lower temperature to 120F
- ✓Insulate tank with blanket
- ✓Drain sediment twice yearly
ENERGY STAR Savings: Upgrading to an ENERGY STAR Water Heater (Tank Electric) in Ontario saves approximately $NaN/year at local rates — $NaN over the appliance lifetime.
Highest-Cost Appliances in Ontario, CA
See which appliances cost the most to run at Ontario's 30.9¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$3,999/yr
$333.29/mo
Electric Furnace
HVAC · 10,000W
$2,777/yr
$231.45/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$2,028/yr
$168.96/mo
EV Charger (Level 2)
Garage · 7,200W
$2,000/yr
$166.64/mo
Boiler (Electric)
HVAC · 6,000W
$1,666/yr
$138.87/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$1,521/yr
$126.72/mo
Heat Pump
HVAC · 2,400W
$1,185/yr
$98.75/mo
Hot Tub / Spa
Pool & Spa · 3,000W
$1,111/yr
$92.58/mo
Water Heater (Tank Electric) Cost in Other California Cities
| City | Rate | Annual Cost | vs Ontario |
|---|---|---|---|
| Ontario (current) | 30.9¢ | $1,521 | — |
| Los Angeles | 30.5¢ | $1,504 | $-16 |
| San Diego | 28.8¢ | $1,419 | $-102 |
| San Jose | 34.7¢ | $1,709 | +$189 |
| San Francisco | 26.5¢ | $1,303 | $-217 |
| Fresno | 29.9¢ | $1,473 | $-48 |
| Sacramento | 24.7¢ | $1,216 | $-305 |
| Long Beach | 33.5¢ | $1,649 | +$129 |
| Oakland | 27.9¢ | $1,375 | $-146 |
Water Heater (Tank Electric) Energy Cost FAQ — Ontario, CA
Understanding Water Heater (Tank Electric) Energy Costs in Ontario, CA
Ontario is a mid-sized California city where residential electricity rates from Pacific Gas & Electric are shaped by regional energy supply and local demand patterns. Running a high-draw appliance like the Water Heater (Tank Electric) (4,500W) at Ontario's rate of 30.9¢/kWh costs approximately $1,521 per year — $880 more than the national average of $641.
Electricity in Ontario is significantly more expensive than the national average — 137% higher. For a Water Heater (Tank Electric) used 3 hours per day, this rate premium adds up to $880 in extra annual costs. Energy-efficient models and usage habits have an outsized impact in high-rate markets like this.
Ontario has a high cost of living (index: 146), 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 Water Heater (Tank Electric) can cut energy use by up to undefined%, saving approximately $NaN per year at Ontario rates.
In Ontario's warm climate (avg 79°F), HVAC-related appliances tend to run more frequently, compounding energy costs. A Water Heater (Tank Electric) produces approximately 3.5 tons of CO2 annually at typical usage. Ontario 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 Ontario.
Compare All Energy Costs in Ontario
See energy costs for 178+ household appliances at Ontario's local electricity rate.
Frequently Asked Questions
How much does it cost to run a Water Heater (Tank Electric) in Ontario, CA?
At Ontario's average electricity rate of 30.9¢/kWh, a Water Heater (Tank Electric) costs approximately $1,521 per year to run. That's about $126.72 per month with typical usage of 3 hours per day.
What is the electricity rate in Ontario, CA?
The average residential electricity rate in Ontario, CA is 30.9¢/kWh, which is 137% above the national average of 13.0¢/kWh. The primary utility provider is Pacific Gas & Electric.
How much electricity does a Water Heater (Tank Electric) use per year?
A Water Heater (Tank Electric) uses approximately 4,500 watts and consumes about 4,928 kWh per year with typical usage of 3 hours/day for 365 days/year.
Is a Water Heater (Tank Electric) expensive to run in Ontario?
Compared to the national average cost of $641/year, running a Water Heater (Tank Electric) in Ontario costs $880 more per year due to higher local electricity rates.
How can I reduce my Water Heater (Tank Electric) energy cost in Ontario?
To reduce Water Heater (Tank Electric) costs in Ontario: Lower temperature to 120F. Insulate tank with blanket. Upgrading to an ENERGY STAR model saves up to undefined% on energy costs. Also check with Pacific Gas & Electric for local energy efficiency rebates and programs.