Your new espresso machine draws more power than your kitchen circuit may allow

The espresso machine has moved from the café to the kitchen island, the butler's pantry and the basement wet bar. Machines like the Breville Barista and Oracle lines, the Fellow Espresso Series 1 and the Meraki dual boiler make café drinks at home, and a good home-barista channel like Weird Coffee Guy will have you pulling shots and steaming milk like a pro. They also draw roughly 1,500 to 1,800 watts each, about as much as a space heater, from an ordinary countertop outlet.

In a newer kitchen that is usually fine. In an older home, or at a wet bar wired like a living room, it is often the reason the breaker trips every morning. Sometimes, worse, it is why an outlet or a wire runs hotter than it should.

What these machines actually draw

Here are the manufacturers' published U.S. (120-volt) ratings for some of the most popular models:

Machine	Rated power (120 V)	Approximate current
Fellow Espresso Series 1	1,500 W	12.5 A
Breville Bambino / Bambino Plus	1,560 W	13.0 A
Breville Barista Express	1,600 W	13.3 A
Meraki Espresso Machine (100–120 V version)	1,600 W	13.3 A
Breville Barista Touch	1,680 W	14.0 A
Breville Oracle Jet	1,700 W	14.2 A
Breville Barista Express Impress / Barista Touch Impress	1,750 W	14.6 A
Breville Oracle Dual Boiler	1,800 W	15.0 A

Current is simply watts divided by volts. The peak comes when a machine is heating its boilers, either at warm-up or while it recovers after you steam milk, and that is also when its built-in grinder may be running.

Some retailers recommend a dedicated 15–20 amp circuit for machines in this class. Some prosumer and commercial-style machines go further and ship with a 20-amp plug (the one with a sideways "T" slot) or need 240 volts. Check the manual before you buy, and before the cabinet is built around the outlet.

Why the breaker trips

A household circuit is protected by a breaker that is usually rated 15 or 20 amps. The National Electrical Code limits any single plug-in appliance to 80 percent of the circuit's rating, which is 12 amps on a 15-amp circuit and 16 amps on a 20-amp circuit.

Every machine in the table needs more than that 12-amp share of a 15-amp circuit. On a 20-amp circuit the machine fits, but only with about 1 to 3 amps of room left over. A circuit doesn't care which plug the power goes through, so the trouble starts when something else is running at the same time:

• A microwave or air fryer is typically 1,000–1,800 W.
• An electric kettle is typically about 1,500 W, and people often run it next to the espresso machine for tea or an americano.
• A toaster or toaster oven is typically 900–1,500 W.
• At a wet bar, an ice maker, wine or beverage fridge, or a blender often shares the same circuit.

An espresso machine and a kettle running together on one 20-amp circuit draw about 26 amps. That will trip a properly working breaker, which is the breaker doing its job.

Why older homes and wet bars have it worse

Older kitchens. Current code requires at least two 20-amp "small-appliance" circuits for the kitchen counters, pantry and dining area, kept separate from the rest of the house. Many homes built before those rules took hold, or remodeled without updating the wiring, have counter outlets on a single 15-amp circuit. That circuit is sometimes shared with the dining room, a bathroom or the lights. One espresso machine can use up nearly all of it.

Wet bars, coffee nooks and butler's pantries. The small-appliance circuit rule covers the kitchen, pantry, breakfast room and dining room. A bar in the family room, a basement or a home theater is usually wired like any other room: a general-purpose 15-amp circuit shared with lights, the TV and the outlets in the next room. That is the worst place to put a 1,700-watt machine, and it is exactly where many people put them.

Aging wiring and devices. A breaker that trips is the good outcome. The concerning one is a weak connection that heats up without tripping anything:

• a worn receptacle whose contacts have loosened;
• a "backstabbed" outlet, where the wires are pushed into holes in the back instead of wrapped around the screws;
• older aluminum branch wiring, used in many homes built roughly 1965–1973, connected to devices not rated for it.

A machine that pulls 13–15 amps for minutes at a time, every day, finds those weak points. Florida has a lot of 1960s and 1970s housing stock, and we see all three.

Ground-fault and arc-fault breakers. Kitchen counters and anything within six feet of a bar sink need ground-fault (GFCI) protection, and newer homes also use arc-fault (AFCI) breakers in kitchens. Both are important safety devices. An older machine whose heating element has started to leak a little current to ground can trip a GFCI, and some appliances can trip an AFCI at startup. If an outlet trips only with the espresso machine plugged in, don't swap in a regular outlet or breaker. Have the machine checked, and have an electrician check the circuit.

Warning signs to take seriously

Stop using the outlet and call a licensed electrician if you notice any of these:

• The outlet cover or plug feels warm or hot after the machine has run.
• You see discoloration, browning or melting at the outlet or plug.
• You hear crackling or buzzing, or smell something hot or burning, near the outlet or the wall.
• Lights on the same circuit dim noticeably when the machine heats up.
• The plug fits loosely or falls out of the outlet.
• The breaker trips repeatedly. Resetting it again and again is not a fix; the circuit is telling you something.

Practical tips

1. Find out what's on the circuit. Turn the breaker off and walk the house to see which outlets and lights went dead. You may find the coffee counter shares a circuit with the microwave, the dining room or a bathroom. Then add up what runs together with our free electrical load calculator: its circuit check tells you whether the espresso machine, kettle and toaster can share a 15- or 20-amp circuit, and lays out the panel if you are adding one.
2. Give the machine its own outlet, and keep the big heaters apart. Don't run the espresso machine, kettle, microwave and toaster on one circuit at the same time. Put them on outlets fed by different circuits, or take turns.
3. Plug it straight into the wall. Most espresso machine manuals warn against extension cords and power strips. Light-gauge cords and strips heat up at this load, and a surge protector strip doesn't add capacity.
4. Let it finish warming up. The biggest draw is at warm-up and boiler recovery. Running the kettle or microwave while the machine heats is the most common way to trip the breaker.
5. Use the timer and standby settings. An auto-on timer warms the machine before anyone starts the toaster. Shorter standby times also cut how long it holds the boilers hot.
6. Plan a dedicated 20-amp circuit for a new coffee station or wet bar. It costs very little when the walls are open and much more once the tile and cabinetry are in. If the machine you want needs a 20-amp plug or 240 volts, choose the outlet and wiring to match before you build.
7. Check the panel before adding circuits. Older homes with 60- or 100-amp service may not have spare breaker spaces or capacity for another circuit, especially if you are also adding an induction range, an EV charger or a heat pump. An electrician can run a load calculation and tell you whether you need a panel or service upgrade.
8. Hire a licensed electrician and pull the permit. New circuits are permitted work in most jurisdictions. A permitted installation is inspected, and that record matters when you sell the house or file an insurance claim.

If you are remodeling

The best time to plan for an espresso machine is on paper. A kitchen, pantry or wet-bar remodel is the moment to decide where the coffee station goes and which circuit it gets, and to note on the drawings any outlet that needs to be 20 amps or 240 volts. That way the electrician, the cabinetmaker and the plan reviewer all work from the same plan.

Oasis Engineering prepares sealed plans for remodels, additions and new homes. If you are planning a kitchen or bar renovation, start a project and tell us about the appliances you plan to use. For the wiring itself, always use a licensed electrician.

Wattages are the manufacturers' published U.S. ratings as of October 2026; check the label or manual of your specific machine. This article is general information, not an electrical design for your home. Local codes and amendments vary.