How to Lower Your Electric Bill: 12 Ways That Actually Work

How to Lower Your Electric Bill: 12 Ways That Actually Work

Electricity is one of the bills people assume they cannot control, but a large part of it comes down to a handful of big energy users and a few easy habits. The mistake most people make is starting with lightbulbs, which feel virtuous but move the needle very little. The energy in your home is not spread evenly, so the smart approach is to spend your effort where the power actually goes. Here are twelve ways to bring the number down, ordered roughly from biggest impact to smallest, with the reasoning behind each so you can judge which are worth your time.

Where your electricity actually goes

Before changing anything, it helps to know the rough shape of a typical bill. The US Energy Information Administration's residential survey and equivalent data in the UK and Canada all point to the same broad pattern: a small number of jobs dominate, and lighting and gadgets are a minor share.

Energy use Typical share of the bill Why it is worth targeting
Heating and cooling Often the largest single chunk Small thermostat changes scale across many hours
Water heating Frequently the second largest Runs constantly to keep a tank hot
Large appliances (fridge, oven, dryer) A meaningful middle share Old or hard-worked units use far more
Lighting and electronics Usually the smallest share Cheap to fix but limited savings

The lesson is blunt: a few degrees on the thermostat beats every LED bulb in the house combined. Start at the top of that table and work down.

Tackle the big energy users first

1. Adjust your thermostat. Heating and cooling dominate most bills, so this is the single highest-impact change. Turning the heat down a few degrees in winter or the cooling up a few in summer works because the saving applies to every hour the system runs, not to one moment. A programmable or smart thermostat that eases off while you sleep or are out multiplies the effect without you thinking about it.

2. Lower your water heater temperature. Water heating is often the second biggest cost because a tank reheats around the clock to stay hot, whether or not you use it. A modestly lower setting still delivers plenty of hot water while cutting the standing loss. Aim for a temperature that is comfortable and safe rather than scalding.

3. Wash clothes in cold water. Most of a washing machine's energy goes into heating the water, not turning the drum. Modern detergents are formulated to work in cold water, so everyday laundry comes out just as clean while you skip the biggest part of the machine's energy use.

4. Air dry when you can. Tumble dryers are among the heaviest energy users in the home because generating heat is expensive. Drying on a rack or line, even for part of your loads, makes a visible difference, and it is gentler on clothes so they last longer too.

A worked example

Numbers make the priority obvious. Suppose your electricity costs a certain rate per kilowatt-hour, and you make three changes for a week.

Change Rough energy saved Relative payoff
Thermostat eased 3 degrees, many hours a day Large High
Skipping the dryer for half your loads Moderate Medium
Swapping five old bulbs for LED Small Low but permanent

The exact currency amount depends on your rate and climate, which is why it is not worth quoting a false precise figure. What holds everywhere is the ranking: the thermostat change alone typically saves more than the bulbs and the dryer put together, because it acts on the biggest user across the most hours.

Fix the quiet, constant drains

These are smaller individually, but they run every hour of every day, which is what makes them add up.

5. Cut standby power. Devices left plugged in draw power even when off, sometimes called phantom or vampire load. A cluster of chargers, a TV, a games console and a set-top box can quietly sip power all year. Group them on a power strip you can switch off, or unplug what you rarely use.

6. Switch to LED bulbs. If you still have older incandescent or halogen bulbs anywhere, LEDs use a small fraction of the energy for the same light and last for years, so they pay for themselves and keep saving. This is low-impact per bulb but genuinely free money over time.

7. Seal drafts. Gaps around doors, windows and letterboxes force your heating and cooling to work harder to hold a temperature. Cheap weatherstripping and draft excluders pay back quickly because they cut the load on the biggest user in the house.

8. Use appliances efficiently. Run full loads in the dishwasher and washing machine so you pay to run the cycle once, not twice. Keep the fridge and freezer at sensible temperatures rather than colder than needed, and keep freezer coils clear, because an overworked motor draws more power.

Change how, and when, you buy energy

Some of the best savings do not change your habits at all, only the price you pay for the same electricity.

9. Shift use to off-peak hours if you are on a time-of-use tariff. Running the dishwasher, laundry or an EV charger overnight or outside peak windows lowers the cost of identical tasks. Check whether your plan even has peak and off-peak rates first, because not all do.

10. Compare and switch your plan. If you have been with the same provider on the same rate for a long time, you may have rolled onto a higher default rate without noticing. Comparing plans and switching can cut your unit rate with zero change to how you live. In the UK, Ofgem sets a price cap that limits default tariffs but switching can still beat it; in the US, availability depends on whether your state has a deregulated retail market; in Canada, options vary by province, with some markets regulated and others open to competition.

11. Ask about available discounts. Some providers offer paperless billing, direct-debit or autopay, and loyalty discounts you may not be claiming. There may also be help you qualify for: the US runs the Low Income Home Energy Assistance Program (LIHEAP), UK suppliers offer schemes such as the Warm Home Discount, and Canadian provinces run their own low-income energy programmes. A phone call can surface money you are entitled to.

12. Track your usage. Many providers show usage online, through an app, or via a smart meter display. Simply seeing where the power goes, and watching the number respond when you change something, helps you target the worst offenders and keep the good habits.

How it differs across the US, UK and Canada

Feature United States United Kingdom Canada
Regulator to know State public utility commissions, plus federal FERC Ofgem Provincial regulators, such as the OEB in Ontario
Can you switch supplier Only in deregulated states Yes, nationwide Depends on the province
Price protection Varies by state Energy price cap on default tariffs Regulated rates in some provinces
Common bill driver Air conditioning in hot states, heating in cold ones Heating dominates Heating dominates, cooling in some regions

Wherever you are, the same order of attack applies: fix the big heat-driven users, seal the leaks, cut the standby drip, then make sure you are on the cheapest rate your market allows.

The bottom line

Focus your effort where the energy actually goes: heating, cooling and hot water first, then the quiet standby drains, then the rate you pay. You do not need to do all twelve. Start with your thermostat and your energy plan, the two highest-impact moves, and add the smaller habits over time. Together they can take a meaningful slice off every month's bill without asking you to live in the cold or the dark.

Frequently Asked Questions

What uses the most electricity in a home?

Heating and cooling usually top the list, followed by water heating, then large appliances like ovens, dryers and refrigerators. Lighting and small electronics are a smaller share, so focus your effort on the big three first.

Does turning off devices at the wall really save money?

Yes, though modestly. Many devices draw standby power when plugged in but switched off. Cutting standby across a whole home saves a small but real amount every month, and it adds up over a year.

Is it worth switching energy providers to save money?

Often yes. If you have been on the same plan for a while, you may be on a higher default rate. Comparing plans and switching can lower your unit rate with no change to how you live.

Sources

Primary sources used for this guide. Last checked August 10, 2026.

  1. Residential Energy Consumption SurveyUS Energy Information Administration
  2. Energy SaverUS Department of Energy
  3. Energy advice for householdsOfgem