Does a Gas Stove Need Electricity: What Works When the Power Is Out

A gas range burns gas, so it should keep working when the power fails. Part of it does.

Short answer: a gas stove needs electricity, but not for everything. The range plugs into a 120 V outlet that powers the spark igniters, the oven igniter, the clock and controls, the oven light and any convection fan. In an outage, the cooktop burners on most ranges can be lit with a match because the burner valves are mechanical. The oven will not work on nearly all modern ranges: its hot-surface igniter must draw current before the oven's safety valve will open, and that takes 120 V.

Switching the range for electric or induction is a separate decision, covered in replacing a gas range with electric and induction vs gas cooking. This page is about what the gas range itself needs from the outlet.

What the outlet powers

Lighting the burners without power

On a range with electronic spark ignition, turning the knob normally sends 120 V to a spark module, which clicks until the burner lights. The gas path is a plain mechanical valve under the knob. With the power out, the valve still opens; only the spark is missing.

GE Appliances' support page for lighting electric-ignition burners during a power failure gives the procedure: hold a lighted match next to the burner, then turn the knob to the low position. The same page says the oven cannot be manually lit in an outage because its ignition system and gas valve require power. GE's power-outage tips page repeats both points and adds the safety rule: make sure every burner is either lit or turned off, so an unlit burner isn't left flowing gas.

A few things to check for your range:

• Read the manual. Most open-burner and sealed-burner ranges allow match lighting and say so. Follow the maker's steps.
• Some models won't flow gas without power. Ranges with electronic valves, a safety lock-out, or a flame-failure feature on the cooktop can block the gas when the controls are dead. If the manual doesn't describe match lighting, don't assume it works.
• Use a long match or a lighter, strike it first, then turn the knob. Never turn the gas on and then hunt for a flame.
• Simmer settings and burner lighting behave a little differently without the spark; a burner that pops out at a low setting won't relight itself.

Why the oven is different

Nearly every gas oven made in the last few decades uses a hot-surface igniter, often called a glow bar. It is wired in series with the oven's safety valve. When you turn the oven on, the igniter heats up, its electrical resistance drops, and current through it rises. Only when that current reaches the valve's threshold does the bi-metal valve open and release gas to the oven burner, where the glowing igniter lights it. The igniter stays energized the whole time the burner is on.

That design is a safety feature: gas can't flow unless there is something hot enough to light it. The consequence is that no electricity means no oven. There is no match-lighting workaround, because the valve itself won't open.

How much power does it take? Robertshaw, which makes replacement igniters for most major brands, rates its 41-200 series 120 V residential range and oven igniters at 3.2 to 3.6 A, with some models at 3.3 to 3.8 A. At 120 V that is roughly 380 to 460 W while the oven burner is firing. Spark-ignition ovens exist on some models and draw far less, but they still need power for the valve and controls.

Standing-pilot ovens, with a small flame that burns continuously, do work without power. They are rare on ranges built this century.

The 120 V receptacle

A gas range needs a receptacle behind it, and the range's cord plugs into it. On most ranges the rating-plate current is low, often a couple of amps or less, dominated by the oven igniter. NEC 210.52(B)(2) Exception No. 2 permits the receptacle for the supplemental equipment and lighting on a gas range to be supplied from the kitchen's 20 A small-appliance branch circuit, so it rarely needs a dedicated circuit; local amendments and the range's installation manual govern, and NEC 110.3(B) makes the manual binding. Many installers put it on its own circuit anyway so a tripped kitchen breaker doesn't take the oven with it. Either way, if the outlet is dead the oven is dead, which is the first thing to check when a gas oven won't light; see outlet not working troubleshooting.

The range hood is a separate appliance on its own outlet or circuit. In an outage it is off, which is one more reason to keep outage cooking short.

Running a gas range on backup power

Because the whole range draws only a few hundred watts, it is one of the easiest appliances to back up. The oven igniter at about 400 W is the main load, and it only runs while the oven burner is on, which is a fraction of the time once the oven is at temperature.

• A portable power station with a 120 V outlet covers it. Pull the range forward, unplug its cord, plug it into the station. Runtime is the station's watt-hour rating divided by the average draw; a station in the 2 kWh class could run the oven igniter for several hours of oven time, longer with the burner cycling.
• A portable generator outdoors, at least 20 feet from the house with the exhaust pointed away, feeding a heavy-duty outdoor extension cord. A small inverter generator is more than enough.
• Never backfeed the house wiring through an outlet; see backfeeding dangers.

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A station in that class runs the oven igniter and the range's controls from its own 120 V outlets, so the oven works normally in an outage instead of only the cooktop. Check the station's watt-hour rating against the hours of oven use you expect.

If the same outage also takes out a refrigerator or a furnace, those are the loads that decide the station's size; see can a power station run a refrigerator and how to size a portable power station.

Safety during an outage

Never use the range to heat the house. A gas range vents into the room, not outdoors. Burners or an oven running for hours with no hood put carbon monoxide, nitrogen dioxide and water vapor into the living space. That risk exists every day and is covered in gas stove indoor air quality; in an outage, with the hood dead and the house closed up, it is worse.

Keep a CO alarm with battery backup on every level, because an outage silences plug-in alarms without one.

Other rules for match-lit cooking:

• Light the match first, then open the valve. If a burner doesn't light within a few seconds, turn it off, wait for the gas to clear, and try again.
• Don't leave a burner knob in the Lite or On position with no flame.
• Keep a flashlight in the kitchen so you can see the flame and the knobs.
• If you smell gas with everything off, leave and call the gas utility from outside.

When the power returns

Spark modules sometimes click continuously after an outage, and oven controls may need a reset. Unplugging the range for a minute clears most of it. If the oven still won't light with the power back, the igniter is the usual suspect: a glow bar that heats but never draws enough current to open the valve is the most common gas-oven failure, and the fix is a replacement igniter, not a gas repair.

Standards and code reference

The standards behind this guide, for looking up in the edition your jurisdiction has adopted:

• NEC 210.52(B)(2) Exception No. 2. Receptacle for supplemental equipment and lighting on a gas range on the small-appliance branch circuit.
• NEC 110.3(B). Listed appliances installed and used per the manufacturer's instructions.
• NEC Article 422. Appliance circuits and disconnecting means; the plug and receptacle serve as the disconnect (422.33).
• NFPA 54 (National Fuel Gas Code) / IFGC. Gas supply, connectors and shutoff valves for ranges.
• GE Appliances support, "Gas Range & Cooktop - Lighting Electric Ignition Burners During a Power Failure" and "Range, Cooktop & Wall Oven - Power Outage Tips and Operation."
• Robertshaw, 41-200 Series Cooking Hot Surface Ignitors sell sheet (150-2354 Rev E): 120 V AC ratings of 3.2 to 3.6 A and 3.3 to 3.8 A.

Code editions and local amendments vary. Confirm the adopted edition with your AHJ, and treat manufacturer instructions as governing wherever they are more restrictive.

Where to go next

• Gas stove indoor air quality
• Does a gas water heater need electricity
• Carbon monoxide safety
• Smoke and CO alarm placement
• Size the backup: generator sizing calculator

More in our home electrification guides.