Tankless Water Heater (Electric) in Rochester — $695/yr to Run (21.1¢/kWh)
Your tankless water heater (electric) in Rochester costs about $58/month at 21.1¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Rochester, NY Electricity Rate
21.1¢/kWh
Utility: Rochester Gas & Electric (RG&E)
+63% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.90
9.0 kWh/day
Monthly Cost
$57.90
274 kWh/mo
Annual Cost
$695
3,285 kWh/yr
Lifetime (20yr)
$13,896
energy only
Monthly Cost Breakdown in Rochester
| Period | kWh | Rochester Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $1.90 | $1.17 | +$0.73 |
| Weekly | 63.0 | $13.32 | $8.19 | +$5.13 |
| Monthly | 273.8 | $57.90 | $35.59 | +$22.31 |
| Quarterly | 821.3 | $173.69 | $106.76 | +$66.93 |
| Annual | 3285.0 | $694.78 | $427.05 | +$267.73 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Rochester.
Daily
$1.90
Monthly
$57.90
Annual
$695
20-Year
$13,896
Energy Saving Tips for Tankless Water Heater (Electric) in Rochester
- ✓Rochester electricity rates are 63% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in Rochester saves ~$139/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$104/year at Rochester 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 Rochester saves approximately $139/year at local rates — $2,779 over the appliance lifetime.
Highest-Cost Appliances in Rochester, NY
See which appliances cost the most to run at Rochester's 21.1¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$2,741/yr
$228.42/mo
Electric Furnace
HVAC · 10,000W
$1,904/yr
$158.63/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$1,390/yr
$115.80/mo
EV Charger (Level 2)
Garage · 7,200W
$1,371/yr
$114.21/mo
Boiler (Electric)
HVAC · 6,000W
$1,142/yr
$95.17/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$1,042/yr
$86.85/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$1,042/yr
$86.85/mo
Heat Pump
HVAC · 2,400W
$812/yr
$67.68/mo
Tankless Water Heater (Electric) Cost in Other New York Cities
| City | Rate | Annual Cost | vs Rochester |
|---|---|---|---|
| Rochester (current) | 21.1¢ | $695 | — |
| New York | 23.2¢ | $761 | +$67 |
| Oyster Bay | 19.0¢ | $624 | $-71 |
| Buffalo | 22.3¢ | $732 | +$37 |
| North Hempstead | 18.6¢ | $611 | $-83 |
| Babylon | 19.4¢ | $636 | $-59 |
| Yonkers | 23.0¢ | $755 | +$60 |
| Huntington | 18.1¢ | $595 | $-100 |
| Syracuse | 24.1¢ | $792 | +$97 |
Tankless Water Heater (Electric) Energy Cost FAQ — Rochester, NY
Understanding Tankless Water Heater (Electric) Energy Costs in Rochester, NY
Rochester is a mid-sized New York city where residential electricity rates from Rochester Gas & Electric (RG&E) are shaped by regional energy supply and local demand patterns. Running a high-draw appliance like the Tankless Water Heater (Electric) (18,000W) at Rochester's rate of 21.1¢/kWh costs approximately $695 per year — $268 more than the national average of $427.
Electricity in Rochester is significantly more expensive than the national average — 63% higher. For a Tankless Water Heater (Electric) used 0.5 hours per day, this rate premium adds up to $268 in extra annual costs. Energy-efficient models and usage habits have an outsized impact in high-rate markets like this.
Rochester has a high cost of living (index: 123), 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 $139 per year at Rochester rates.
Rochester's moderate climate (avg 43.7°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. Rochester 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 Rochester.
Compare All Energy Costs in Rochester
See energy costs for 168+ household appliances at Rochester's local electricity rate.