Heat Pump Water Heater in Ontario — $338/yr to Run (30.9¢/kWh)
Your heat pump water heater in Ontario costs about $28/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
$0.93
3.0 kWh/day
Monthly Cost
$28.16
91 kWh/mo
Annual Cost
$338
1,095 kWh/yr
Lifetime (15yr)
$5,069
energy only
Monthly Cost Breakdown in Ontario
| Period | kWh | Ontario Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 3.0 | $0.93 | $0.39 | +$0.54 |
| Weekly | 21.0 | $6.48 | $2.73 | +$3.75 |
| Monthly | 91.3 | $28.16 | $11.86 | +$16.30 |
| Quarterly | 273.8 | $84.48 | $35.59 | +$48.89 |
| Annual | 1095.0 | $337.92 | $142.35 | +$195.57 |
Customize Your Heat Pump Water Heater Cost
Adjust usage hours and electricity rate to calculate your exact cost in Ontario.
Daily
$0.93
Monthly
$28.16
Annual
$338
15-Year
$5,069
Energy Saving Tips for Heat Pump Water Heater in Ontario
- ✓Ontario electricity rates are 137% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Heat Pump Water Heater in Ontario saves ~$101/year compared to standard models.
- ✓A smart Heat Pump Water Heater with scheduling optimization can save ~$68/year at Ontario 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 Ontario saves approximately $101/year at local rates — $1,521 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
Water Heater (Tank Electric)
Water Heating · 4,500W
$1,521/yr
$126.72/mo
Heat Pump
HVAC · 2,400W
$1,185/yr
$98.75/mo
Heat Pump Water Heater Cost in Other California Cities
| City | Rate | Annual Cost | vs Ontario |
|---|---|---|---|
| Ontario (current) | 30.9¢ | $338 | — |
| Los Angeles | 30.5¢ | $334 | $-4 |
| San Diego | 28.8¢ | $315 | $-23 |
| San Jose | 34.7¢ | $380 | +$42 |
| San Francisco | 26.5¢ | $290 | $-48 |
| Fresno | 29.9¢ | $327 | $-11 |
| Sacramento | 24.7¢ | $270 | $-68 |
| Long Beach | 33.5¢ | $366 | +$29 |
| Oakland | 27.9¢ | $306 | $-32 |
Heat Pump Water Heater Energy Cost FAQ — Ontario, CA
Understanding Heat Pump Water Heater 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 low-draw appliance like the Heat Pump Water Heater (500W) at Ontario's rate of 30.9¢/kWh costs approximately $338 per year — $196 more than the national average of $142.
Electricity in Ontario is significantly more expensive than the national average — 137% higher. For a Heat Pump Water Heater used 6 hours per day, this rate premium adds up to $196 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 Heat Pump Water Heater can cut energy use by up to 30%, saving approximately $101 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 Heat Pump Water Heater produces approximately 0.78 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 Heat Pump Water Heater in Ontario, CA?
At Ontario's average electricity rate of 30.9¢/kWh, a Heat Pump Water Heater costs approximately $338 per year to run. That's about $28.16 per month with typical usage of 6 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 Heat Pump Water Heater use per year?
A Heat Pump Water Heater uses approximately 500 watts and consumes about 1,095 kWh per year with typical usage of 6 hours/day for 365 days/year.
Is a Heat Pump Water Heater expensive to run in Ontario?
Compared to the national average cost of $142/year, running a Heat Pump Water Heater in Ontario costs $196 more per year due to higher local electricity rates.
How can I reduce my Heat Pump Water Heater energy cost in Ontario?
To reduce Heat Pump Water Heater costs in Ontario: Keep in a warm area like a garage. Dont block airflow around unit. Upgrading to an ENERGY STAR model saves up to 30% on energy costs. Also check with Pacific Gas & Electric for local energy efficiency rebates and programs.