EnergyCostHub

Water Heaters / North Carolina

Cost to run a water heater in North Carolina

A typical ENERGY STAR water heater costs about $162.52 a year to run in North Carolina, or $13.54 a month, at the state’s average residential price of 15.16 cents per kWh (July 2026).

Typical yearly cost
$162.52
Over ten years
$1625 today’s price
Price in North Carolina
15.16 ¢/kWh

“Typical” means the median annual energy use of 712 current ENERGY STAR certified water heaters (1072 kWh a year), multiplied by the price. It is a standardized figure, not a measurement of your home.

By type of water heater

TypeModelsMedian kWh/yrCost per yearPer monthRange per year
240 Volt Integrated HPWH539970$147.05$12.25$97.48 to $222.40
Split System HPWH101923$139.93$11.66$103.24 to $263.94
120 Volt Integrated HPWH721082$164.03$13.67$109.76 to $250.75

Costs use each type’s median listing; the range runs from its lowest to its highest listed energy use. Source: ENERGY STAR certified water heaters dataset (EPA) and EIA residential prices.

How North Carolina compares

North Carolina’s average residential price is 6% below the median US state, ranking 36 of 51 from highest to lowest. The same typical water heater would cost $136.36 a year in Louisiana, the cheapest state, and $514.56 in Hawaii, the most expensive. Over the last 12 months North Carolina’s price rose 13.4%.

Cost to run a water heater in every state · North Carolina electricity price history · Replacing an old water heater? Savings calculator

Lowest running cost by type

The published model with the lowest listed annual energy use in each type, with its cost at North Carolina’s price:

These are the lowest among the models published on this site, not among every certified model. Browse all water heaters by energy use.

Questions

How much does it cost to run a water heater in North Carolina?

A typical ENERGY STAR water heater (the median of 712 current listings, 1072 kWh a year) costs about $162.52 a year, or $13.54 a month, at North Carolina's average residential price of 15.16 cents per kWh. By type it ranges from $139.93 (split system hpwh) to $164.03 (120 volt integrated hpwh).

Is electricity expensive in North Carolina?

North Carolina's average residential price is 15.16 cents per kWh (July 2026, EIA), 6% below the median state and 36 of 51 when states are ranked from highest to lowest price. The same typical water heater would cost $136.36 a year in Louisiana, the cheapest state, and $514.56 in Hawaii.

Will my water heater cost the same?

Probably not exactly. The annual figure is a standardized ENERGY STAR value, and your own price per kWh may differ from the statewide average. Enter your rate in the calculator on any water heater page for a closer number.

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