Microwave Oven in Ontario — $41/yr to Run (30.9¢/kWh)
Your microwave oven in Ontario costs about $3/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
$0.11
0.4 kWh/day
Monthly Cost
$3.38
11 kWh/mo
Annual Cost
$41
131 kWh/yr
Lifetime (10yr)
$406
energy only
Monthly Cost Breakdown in Ontario
| Period | kWh | Ontario Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 0.4 | $0.11 | $0.05 | +$0.06 |
| Weekly | 2.5 | $0.78 | $0.33 | +$0.45 |
| Monthly | 11.0 | $3.38 | $1.42 | +$1.96 |
| Quarterly | 32.9 | $10.14 | $4.27 | +$5.87 |
| Annual | 131.4 | $40.55 | $17.08 | +$23.47 |
Customize Your Microwave Oven Cost
Adjust usage hours and electricity rate to calculate your exact cost in Ontario.
Daily
$0.11
Monthly
$3.38
Annual
$41
10-Year
$406
Energy Saving Tips for Microwave Oven in Ontario
- ✓Ontario electricity rates are 137% above the national average — energy efficiency matters more here.
- ✓A smart Microwave Oven with scheduling optimization can save ~$2/year at Ontario rates.
- ✓Use for reheating instead of oven
- ✓Cover food to heat faster
- ✓Clean interior for peak efficiency
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
Microwave Oven Cost in Other California Cities
| City | Rate | Annual Cost | vs Ontario |
|---|---|---|---|
| Ontario (current) | 30.9¢ | $41 | — |
| Los Angeles | 30.5¢ | $40 | $-0 |
| San Diego | 28.8¢ | $38 | $-3 |
| San Jose | 34.7¢ | $46 | +$5 |
| San Francisco | 26.5¢ | $35 | $-6 |
| Fresno | 29.9¢ | $39 | $-1 |
| Sacramento | 24.7¢ | $32 | $-8 |
| Long Beach | 33.5¢ | $44 | +$3 |
| Oakland | 27.9¢ | $37 | $-4 |
Microwave Oven Energy Cost FAQ — Ontario, CA
Understanding Microwave Oven 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 moderate-draw appliance like the Microwave Oven (1,200W) at Ontario's rate of 30.9¢/kWh costs approximately $41 per year — $23 more than the national average of $17.
Electricity in Ontario is significantly more expensive than the national average — 137% higher. For a Microwave Oven used 0.3 hours per day, this rate premium adds up to $23 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. While no ENERGY STAR version is available, a smart Microwave Oven with automated scheduling can reduce consumption by 5%, saving $2/year.
In Ontario's warm climate (avg 79°F), HVAC-related appliances tend to run more frequently, compounding energy costs. A Microwave Oven produces approximately 0.09 tons of CO2 annually at typical usage. Ontario residents can reduce this footprint by 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 Microwave Oven in Ontario, CA?
At Ontario's average electricity rate of 30.9¢/kWh, a Microwave Oven costs approximately $41 per year to run. That's about $3.38 per month with typical usage of 0.3 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 Microwave Oven use per year?
A Microwave Oven uses approximately 1,200 watts and consumes about 131 kWh per year with typical usage of 0.3 hours/day for 365 days/year.
Is a Microwave Oven expensive to run in Ontario?
Compared to the national average cost of $17/year, running a Microwave Oven in Ontario costs $23 more per year due to higher local electricity rates.
How can I reduce my Microwave Oven energy cost in Ontario?
To reduce Microwave Oven costs in Ontario: Use for reheating instead of oven. Cover food to heat faster. Consider using a smart plug to monitor and optimize usage. Also check with Pacific Gas & Electric for local energy efficiency rebates and programs.