How Much Electricity Does a Dishwasher Use?

Alright, let’s be honest—how often have you stared at your dishwasher mid-cycle and wondered, “Is this thing quietly draining my wallet?” Yeah, we’ve all been there. It hums away dutifully in the background, but what’s it really doing to your electricity bill?

If you’re trying to be more eco-conscious, cut down on costs, or just satisfy that curious itch in your brain, you’re in the right place. Dishwashers might seem like little boxes of mystery, but trust me, they’re not as power-hungry as you might think (well… most of them).

Now, before we dive into the nitty-gritty, try thinking of it this way: if your dishwasher were a roommate, would it be the kind who leaves every light on and blasts the AC… or the kind who quietly sips a cup of tea by candlelight? Let’s find out.


What’s the Average Energy Use of a Dishwasher?

So, how much electricity does this kitchen MVP really use? On average, a modern dishwasher uses between 1.2 to 1.5 kWh (kilowatt-hours) per load. That might sound like abstract energy-speak, but let’s break it down with a real-world comparison.

Think of it this way: running your dishwasher once a day for a month could cost you around $4 to $6 in electricity, depending on your local rates. That’s like skipping one fancy coffee—totally manageable, right?

But Wait—What About Energy Star Dishwashers?

Ah, yes. Those little Energy Star stickers aren’t just for show. Energy Star-certified dishwashers are designed to be more efficient, using about 12% less energy and 30% less water than non-certified models. That adds up, especially over the course of a year.

If you’re looking to upgrade, it’s worth checking that label. Not only is it better for your bill, but Mother Earth will give you a virtual high-five too.


Do Settings and Cycles Matter?

You bet they do. Not all dishwasher cycles are created equal. Ever noticed that “Eco” or “Light Wash” option? Here’s why it matters:

  • Normal Cycle: Around 1.2–1.5 kWh
  • Heavy/High Temp Cycle: Can bump up to 1.7–2.0 kWh
  • Eco or Energy-Saving Cycle: Often closer to 0.9–1.1 kWh

So yeah, those little buttons? They’re not just there to confuse you. If you’ve got a lightly soiled load, using the Eco cycle could actually save you a noticeable chunk of energy over time.

👉 Try This: Next time you’re loading up, ask yourself—do I really need that “pot scrubber” level of intensity, or can I get away with a lighter touch?


Tips to Save Even More Electricity

Want to shave off a few more watts? Here’s the playbook:

  • Skip the heated dry: Open the door and let dishes air dry. Old-school, but it works!
  • Run full loads: A half-empty dishwasher still uses the same amount of juice.
  • Clean your filter: A gunked-up filter makes your machine work harder—and burn more power.
  • Wash during off-peak hours: Some utility companies charge less at night. Free energy savings? Yes, please.

Final Thoughts: Is the Dishwasher a Power Hog?

Spoiler: Not really.

In fact, using a dishwasher—especially a modern, efficient one—can actually use less water and energy than hand-washing your dishes. (Yes, seriously. Those long, steamy sink sessions are sneaky.)

So if you were feeling guilty about pressing that “Start” button, relax. Your dishwasher is pulling its weight without draining your bank account.

Imagine this: with a few smart tweaks and the right settings, your dishwasher becomes not just a chore-buster, but a quiet hero in your home’s energy game.

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