Is electricity expensive in Missouri?

Missouri's residential average of 14.0¢/kWh is 26% below the U.S. average of 18.8¢/kWh, ranking 8 of 51 jurisdictions (1 = cheapest).

What's the cheapest electric water heater to run in Missouri?

Among currently certified models, the Friedrich PROH40 T2 FD400-15 costs the least at about $90 a year at Missouri rates (643 kWh/yr).

How does Missouri 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). Missouri sits at $152.

Data through April 2026

Cost to run · Missouri · 14.0¢/kWh residential average

How much does it cost to run an electric water heater in Missouri?

$152/yr · median certified model

Missouri's 14.0¢/kWh rate undercuts the national average by 26%, so the typical certified electric water heater costs roughly $152 a year here instead of $204.

In the national ranking, Missouri lands at 8 of 51 for what an electric water heater costs to run. Model choice matters as much as geography: at Missouri rates the most efficient certified model (Friedrich PROH40 T2 FD400-15) costs $90 a year while the most power-hungry (Smart Solar SSG2-ES 120) costs $244 — a spread of $154 every year. 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.

Missouri

$152

US average

$204

North Dakota

$134

Hawaii

$504

Median certified electric water heater (1,082 kWh/yr) per year, at each rate

The cheapest water heaters (electric) to run at Missouri rates

Top 10 by certified kWh, priced at 14.0¢/kWh
#	Model	kWh/yr	$/yr in MO
1	Friedrich PROH40 T2 FD400-15	643	$90
2	Rheem PROPH40 T2 RH375-15	643	$90
3	Rheem PROPH40 T2 RH400-15	643	$90
4	Rheem XE40T10H22U0	643	$90
5	Rheem XE40T10H22U1	643	$90
6	Richmond 10E40-HP515	643	$90
7	Richmond 10E40-HP5U15	643	$90
8	Ruud PROUH40 T2 RU375-15	643	$90
9	Ruud PROUH40 T2 RU400-15	643	$90
10	Eco-Logical OMNI-50HP1-1A	681	$95

Price any model at Missouri rates

Your rate, your numbers

Annual use (kWh)

Electricity rate

Per day: 42¢
Per month: $12.63
Per year: $152

1,082 kWh/yr × 14.0¢/kWh = $152/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 Missouri?: About $152 a year for the median ENERGY STAR certified electric water heater, at Missouri's average residential rate of 14.0¢/kWh — that's $12.63 a month.
Is electricity expensive in Missouri?: Missouri's residential average of 14.0¢/kWh is 26% below the U.S. average of 18.8¢/kWh, ranking 8 of 51 jurisdictions (1 = cheapest).
What's the cheapest electric water heater to run in Missouri?: Among currently certified models, the Friedrich PROH40 T2 FD400-15 costs the least at about $90 a year at Missouri rates (643 kWh/yr).
How does Missouri 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). Missouri sits at $152.

Keep digging

Rate source: US EIA, average residential price of electricity, see methodology.