Tankless Water Heater (Electric) in Santa Rosa — $811/yr to Run (24.7¢/kWh)
Your tankless water heater (electric) in Santa Rosa costs about $68/month at 24.7¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Santa Rosa, CA Electricity Rate
24.7¢/kWh
Utility: Pacific Gas & Electric
+90% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$2.22
9.0 kWh/day
Monthly Cost
$67.56
274 kWh/mo
Annual Cost
$811
3,285 kWh/yr
Lifetime (20yr)
$16,215
energy only
Monthly Cost Breakdown in Santa Rosa
| Period | kWh | Santa Rosa Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $2.22 | $1.17 | +$1.05 |
| Weekly | 63.0 | $15.55 | $8.19 | +$7.36 |
| Monthly | 273.8 | $67.56 | $35.59 | +$31.97 |
| Quarterly | 821.3 | $202.68 | $106.76 | +$95.92 |
| Annual | 3285.0 | $810.74 | $427.05 | +$383.69 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Santa Rosa.
Daily
$2.22
Monthly
$67.56
Annual
$811
20-Year
$16,215
Energy Saving Tips for Tankless Water Heater (Electric) in Santa Rosa
- ✓Santa Rosa electricity rates are 90% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in Santa Rosa saves ~$162/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$122/year at Santa Rosa 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 Santa Rosa saves approximately $162/year at local rates — $3,243 over the appliance lifetime.
Highest-Cost Appliances in Santa Rosa, CA
See which appliances cost the most to run at Santa Rosa's 24.7¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$3,199/yr
$266.54/mo
Electric Furnace
HVAC · 10,000W
$2,221/yr
$185.10/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$1,621/yr
$135.12/mo
EV Charger (Level 2)
Garage · 7,200W
$1,599/yr
$133.27/mo
Boiler (Electric)
HVAC · 6,000W
$1,333/yr
$111.06/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$1,216/yr
$101.34/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$1,216/yr
$101.34/mo
Heat Pump
HVAC · 2,400W
$948/yr
$78.98/mo
Tankless Water Heater (Electric) Cost in Other California Cities
| City | Rate | Annual Cost | vs Santa Rosa |
|---|---|---|---|
| Santa Rosa (current) | 24.7¢ | $811 | — |
| Los Angeles | 30.5¢ | $1,003 | +$192 |
| San Diego | 28.8¢ | $946 | +$135 |
| San Jose | 34.7¢ | $1,140 | +$329 |
| San Francisco | 26.5¢ | $869 | +$58 |
| Fresno | 29.9¢ | $982 | +$171 |
| Sacramento | 24.7¢ | $810 | $-0 |
| Long Beach | 33.5¢ | $1,099 | +$289 |
| Oakland | 27.9¢ | $917 | +$106 |
Tankless Water Heater (Electric) Energy Cost FAQ — Santa Rosa, CA
Understanding Tankless Water Heater (Electric) Energy Costs in Santa Rosa, CA
Santa Rosa 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 Tankless Water Heater (Electric) (18,000W) at Santa Rosa's rate of 24.7¢/kWh costs approximately $811 per year — $384 more than the national average of $427.
Electricity in Santa Rosa is significantly more expensive than the national average — 90% higher. For a Tankless Water Heater (Electric) used 0.5 hours per day, this rate premium adds up to $384 in extra annual costs. Energy-efficient models and usage habits have an outsized impact in high-rate markets like this.
Santa Rosa has a high cost of living (index: 142), 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 Tankless Water Heater (Electric) can cut energy use by up to 20%, saving approximately $162 per year at Santa Rosa rates.
Santa Rosa's moderate climate (avg 68.8°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. Santa Rosa 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 Santa Rosa.
Compare All Energy Costs in Santa Rosa
See energy costs for 178+ household appliances at Santa Rosa's local electricity rate.
Frequently Asked Questions
How much does it cost to run a Tankless Water Heater (Electric) in Santa Rosa, CA?
At Santa Rosa's average electricity rate of 24.7¢/kWh, a Tankless Water Heater (Electric) costs approximately $811 per year to run. That's about $67.56 per month with typical usage of 0.5 hours per day.
What is the electricity rate in Santa Rosa, CA?
The average residential electricity rate in Santa Rosa, CA is 24.7¢/kWh, which is 90% above the national average of 13.0¢/kWh. The primary utility provider is Pacific Gas & Electric.
How much electricity does a Tankless Water Heater (Electric) use per year?
A Tankless Water Heater (Electric) uses approximately 18,000 watts and consumes about 3,285 kWh per year with typical usage of 0.5 hours/day for 365 days/year.
Is a Tankless Water Heater (Electric) expensive to run in Santa Rosa?
Compared to the national average cost of $427/year, running a Tankless Water Heater (Electric) in Santa Rosa costs $384 more per year due to higher local electricity rates.
How can I reduce my Tankless Water Heater (Electric) energy cost in Santa Rosa?
To reduce Tankless Water Heater (Electric) costs in Santa Rosa: Provides hot water on demand with no standby loss. Flush annually to remove scale. Upgrading to an ENERGY STAR model saves up to 20% on energy costs. Also check with Pacific Gas & Electric for local energy efficiency rebates and programs.