Data through June 2026
Cost to run · Maryland · 21.8¢/kWh residential average
How much does it cost to run an electric water heater in Maryland?
$264/yr · median certified model
Maryland pays 21.8¢/kWh for residential power — 19% above the national average — lifting the median certified electric water heater to about $264 a year, versus $222 nationally.
Maryland ranks 38 of 51 jurisdictions for electric water heater running costs — solidly mid-table. At local rates, certified models span $149 (Eco-Logical OMNI-50HP1-1A) to $380 (Smart Solar SSG2-ES 120) per year — $232 of annual headroom that depends entirely on which unit you buy. For reference, the national extremes are Nevada (13.1¢/kWh) and Hawaii (52.7¢/kWh); the same median electric water heater would cost $159 and $638 a year there.
The cheapest water heaters (electric) to run at Maryland rates
| # | Model | kWh/yr | $/yr in MD |
|---|---|---|---|
| 1 | Eco-Logical OMNI-50HP1-1A | 681 | $149 |
| 2 | GE Profile PF40S10FPY01 | 724 | $158 |
| 3 | Eco-Logical OMNI-50HP2-1A | 769 | $168 |
| 4 | GE Profile PH40S10BPY01 | 773 | $169 |
| 5 | Friedrich PROH40 T0 FD120-M | 780 | $170 |
| 6 | Friedrich PROH40 T0 FD120-MSO | 780 | $170 |
| 7 | Rheem PROPH40 T0 RH120-M | 780 | $170 |
| 8 | Rheem PROPH40 T0 RH120-MSO | 780 | $170 |
| 9 | Rheem XE40T10HM00U0 | 780 | $170 |
| 10 | Rheem XE40T10HMS00U0 | 780 | $170 |
Price any model at Maryland rates
Your rate, your numbers
- Per day
- 72¢
- Per month
- $22.02
- Per year
- $264
1,210 kWh/yr × 21.8¢/kWh = $264/yr
Prefilled with the median certified electric water heater (1,210 kWh/yr). Every model page on this site carries its exact certified figure.
Questions, answered with the data
- How much does it cost to run an electric water heater in Maryland?
- About $264 a year for the median ENERGY STAR certified electric water heater, at Maryland's average residential rate of 21.8¢/kWh — that's $22.02 a month.
- Is electricity expensive in Maryland?
- Maryland's residential average of 21.8¢/kWh is 19% above the U.S. average of 18.3¢/kWh, ranking 38 of 51 jurisdictions (1 = cheapest).
- What's the cheapest electric water heater to run in Maryland?
- Among currently certified models, the Eco-Logical OMNI-50HP1-1A costs the least at about $149 a year at Maryland rates (681 kWh/yr).
- How does Maryland compare with other states?
- The same median electric water heater costs $159 a year in Nevada (the cheapest state) and $638 in Hawaii (the priciest). Maryland sits at $264.
Keep digging
- All certified water heaters (electric) compared
- Water Heaters (Electric) costs in Illinois (rank 36 of 51)
- Water Heaters (Electric) costs in Pennsylvania (rank 37 of 51)
- Water Heaters (Electric) costs in Michigan (rank 39 of 51)
- Water Heaters (Electric) costs in Connecticut (rank 40 of 51)
- Running an air purifier in Maryland
- Running a clothes dryer in Maryland
- Running a clothes washer in Maryland
- Running a computer monitor in Maryland
Rate source: US EIA, average residential price of electricity, see methodology.