Data through April 2026
Cost to run · Maryland · 22.1¢/kWh residential average
How much does it cost to run an electric water heater in Maryland?
$239/yr · median certified model
Maryland pays 22.1¢/kWh for residential power — 17% above the national average — lifting the median certified electric water heater to about $239 a year, versus $204 nationally.
Maryland ranks 39 of 51 jurisdictions for electric water heater running costs — solidly mid-table. At local rates, certified models span $142 (Friedrich PROH40 T2 FD400-15) to $384 (Smart Solar SSG2-ES 120) per year — $242 of annual headroom that depends entirely on which unit you buy. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median electric water heater would cost $134 and $504 a year there.
The cheapest water heaters (electric) to run at Maryland rates
| # | Model | kWh/yr | $/yr in MD |
|---|---|---|---|
| 1 | Friedrich PROH40 T2 FD400-15 | 643 | $142 |
| 2 | Rheem PROPH40 T2 RH375-15 | 643 | $142 |
| 3 | Rheem PROPH40 T2 RH400-15 | 643 | $142 |
| 4 | Rheem XE40T10H22U0 | 643 | $142 |
| 5 | Rheem XE40T10H22U1 | 643 | $142 |
| 6 | Richmond 10E40-HP515 | 643 | $142 |
| 7 | Richmond 10E40-HP5U15 | 643 | $142 |
| 8 | Ruud PROUH40 T2 RU375-15 | 643 | $142 |
| 9 | Ruud PROUH40 T2 RU400-15 | 643 | $142 |
| 10 | Eco-Logical OMNI-50HP1-1A | 681 | $150 |
Price any model at Maryland rates
Your rate, your numbers
- Per day
- 65¢
- Per month
- $19.90
- Per year
- $239
1,082 kWh/yr × 22.1¢/kWh = $239/yr
Prefilled with the median certified electric water heater (1,082 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 $239 a year for the median ENERGY STAR certified electric water heater, at Maryland's average residential rate of 22.1¢/kWh — that's $19.90 a month.
- Is electricity expensive in Maryland?
- Maryland's residential average of 22.1¢/kWh is 17% above the U.S. average of 18.8¢/kWh, ranking 39 of 51 jurisdictions (1 = cheapest).
- What's the cheapest electric water heater to run in Maryland?
- Among currently certified models, the Friedrich PROH40 T2 FD400-15 costs the least at about $142 a year at Maryland rates (643 kWh/yr).
- How does Maryland compare with other states?
- The same median electric water heater costs $134 a year in North Dakota (the cheapest state) and $504 in Hawaii (the priciest). Maryland sits at $239.
Keep digging
- All certified water heaters (electric) compared
- Water Heaters (Electric) costs in Michigan (rank 37 of 51)
- Water Heaters (Electric) costs in Pennsylvania (rank 38 of 51)
- Water Heaters (Electric) costs in New Jersey (rank 40 of 51)
- Water Heaters (Electric) costs in Vermont (rank 41 of 51)
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Rate source: US EIA, average residential price of electricity, see methodology.