WattCost

Electricity cost in Maryland

Short answer

Electricity in Maryland averages about 17.5¢/kWh. At that rate, running central AC costs about $112/month — above the U.S. average of 16.8¢.

Avg rate

17.5¢/kWh

ApplianceCost / month in Maryland
Central air conditioner$112
Electric water heater$64
Refrigerator$6
Space heater$40
Electric clothes dryer$16
EV charger (Level 2)$115

Any appliance

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Frequently asked questions

What is the average electricity rate in Maryland?

About 17.5¢/kWh for residential customers — versus the U.S. average of 16.8¢. Your exact rate depends on your utility and plan.

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

About $64 per month at Maryland's 17.5¢/kWh rate, assuming typical use. Heat-pump water heaters cost far less.

How much does a space heater cost to run in Maryland?

Around $40 per month if run ~5 hours a day at 17.5¢/kWh. Space heaters are cheap to buy but expensive to run.