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10 Easy Ways to Lower Your Electric Bill

Updated October 2026

Small changes at home can add up to real savings. These ten tips come from the US Department of Energy, ENERGY STAR and the US Energy Information Administration.

1. Turn the thermostat back

Turning your thermostat back 7 to 10°F for 8 hours a day can save up to 10% a year on heating and cooling, according to the Department of Energy.

2. Use a smart or programmable thermostat

Heating and cooling are almost half of a typical home's energy bill (ENERGY STAR). A smart thermostat does the work for you.

3. Switch to LED bulbs

LED bulbs use at least 75% less energy than old bulbs and last up to 25 times longer (DOE).

4. Wash clothes in cold water

About 90% of the energy a washer uses goes to heating water. ENERGY STAR washers use about 20% less energy (ENERGY STAR).

5. Change air filters

Check your heating and cooling filters every month and change them when dirty (ENERGY STAR).

6. Turn off standby power

TVs, game consoles and chargers use power even when off. Plug them into a power strip and switch it off at night.

7. Measure big users

A plug-in usage monitor shows how much a device uses. The DOE formula: watts × hours per day ÷ 1,000 = kWh per day (DOE).

8. Seal drafts

Caulk and weatherstripping around doors and windows keep heat in and cold out (DOE).

9. Turn down the water heater

Water heating is a big part of home energy use. A slightly lower setting and shorter showers help.

10. Know your number

The average US home uses about 899 kWh a month (EIA). Check yours on your bill and watch it go down as you make changes.

Trying StopWatt too?

If you are trying StopWatt, track your meter readings as you go, using our bill tracking guide, and remember the 60-day Power Saving Guarantee.

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Frequently asked questions

What is the easiest way to lower my electric bill?

Adjust your thermostat, switch to LED bulbs and wash clothes in cold water. These are simple and proven.

How much can a thermostat setting save?

The DOE says turning it back 7 to 10°F for 8 hours a day can save up to 10% a year on heating and cooling.

How much electricity does an average home use?

About 899 kWh a month, according to the US Energy Information Administration.

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Independent deals page. Not affiliated with StopWatt. We may earn a commission when you buy through links on this page. Savings are not guaranteed: independent tests of plug-in power savers have found little or no effect on home electricity bills.