Computer Monitor (27-inch) in Ontario — $22/yr to Run (30.9¢/kWh)
Your computer monitor (27-inch) in Ontario costs about $2/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
$0.07
0.2 kWh/day
Monthly Cost
$1.85
6 kWh/mo
Annual Cost
$22
72 kWh/yr
Lifetime (8yr)
$178
energy only
Monthly Cost Breakdown in Ontario
| Period | kWh | Ontario Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 0.2 | $0.07 | $0.03 | +$0.04 |
| Weekly | 1.7 | $0.52 | $0.22 | +$0.30 |
| Monthly | 6.0 | $1.85 | $0.78 | +$1.07 |
| Quarterly | 18.0 | $5.55 | $2.34 | +$3.21 |
| Annual | 72.0 | $22.22 | $9.36 | +$12.86 |
Customize Your Computer Monitor (27-inch) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Ontario.
Daily
$0.07
Monthly
$1.85
Annual
$22
8-Year
$178
Energy Saving Tips for Computer Monitor (27-inch) in Ontario
- ✓Ontario electricity rates are 137% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Computer Monitor (27-inch) in Ontario saves ~$6/year compared to standard models.
- ✓A smart Computer Monitor (27-inch) with scheduling optimization can save ~$4/year at Ontario rates.
- ✓Reduce brightness to 50-60%
- ✓Enable auto-sleep after 10 minutes
- ✓Use dark mode to save OLED power
ENERGY STAR Savings: Upgrading to an ENERGY STAR Computer Monitor (27-inch) in Ontario saves approximately $6/year at local rates — $44 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.
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Electric Furnace
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Electric Tankless Water Heater
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EV Charger (Level 2)
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Electric Water Heater (Tank)
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Water Heater (Tank Electric)
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$1,521/yr
$126.72/mo
Heat Pump
HVAC · 2,400W
$1,185/yr
$98.75/mo
Computer Monitor (27-inch) Cost in Other California Cities
| City | Rate | Annual Cost | vs Ontario |
|---|---|---|---|
| Ontario (current) | 30.9¢ | $22 | — |
| Los Angeles | 30.5¢ | $22 | $-0 |
| San Diego | 28.8¢ | $21 | $-1 |
| San Jose | 34.7¢ | $25 | +$3 |
| San Francisco | 26.5¢ | $19 | $-3 |
| Fresno | 29.9¢ | $22 | $-1 |
| Sacramento | 24.7¢ | $18 | $-4 |
| Long Beach | 33.5¢ | $24 | +$2 |
| Oakland | 27.9¢ | $20 | $-2 |
Computer Monitor (27-inch) Energy Cost FAQ — Ontario, CA
Understanding Computer Monitor (27-inch) 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 Computer Monitor (27-inch) (30W) at Ontario's rate of 30.9¢/kWh costs approximately $22 per year — $13 more than the national average of $9.
Electricity in Ontario is significantly more expensive than the national average — 137% higher. For a Computer Monitor (27-inch) used 8 hours per day, this rate premium adds up to $13 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 Computer Monitor (27-inch) can cut energy use by up to 25%, saving approximately $6 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 Computer Monitor (27-inch) produces approximately 0.05 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 Computer Monitor (27-inch) in Ontario, CA?
At Ontario's average electricity rate of 30.9¢/kWh, a Computer Monitor (27-inch) costs approximately $22 per year to run. That's about $1.85 per month with typical usage of 8 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 Computer Monitor (27-inch) use per year?
A Computer Monitor (27-inch) uses approximately 30 watts and consumes about 72 kWh per year with typical usage of 8 hours/day for 300 days/year.
Is a Computer Monitor (27-inch) expensive to run in Ontario?
Compared to the national average cost of $9/year, running a Computer Monitor (27-inch) in Ontario costs $13 more per year due to higher local electricity rates.
How can I reduce my Computer Monitor (27-inch) energy cost in Ontario?
To reduce Computer Monitor (27-inch) costs in Ontario: Reduce brightness to 50-60%. Enable auto-sleep after 10 minutes. Upgrading to an ENERGY STAR model saves up to 25% on energy costs. Also check with Pacific Gas & Electric for local energy efficiency rebates and programs.