Why is my electric bill so high?

Your bill went up. Maybe it jumped $60 last month with no obvious explanation. Maybe it has been creeping higher for two years and you’ve finally decided to look into it. Either way, there is almost always a specific reason, and once you know what it is, you can decide how much you want to do about it.

Start here: Check whether your electric rate on your utility bill changed before assuming you changed your habits. US electricity prices have risen about 30% over the past five years, according to the US Energy Information Administration, and most utilities have raised rates at least once in the past 18 months. If your usage is identical to last year but your bill is higher, a rate increase is the most likely explanation, and no amount of turning off lights will fix it.

Using the most recent electric bill data from US Energy Information Administration

If your rate has not changed, one of the following is almost certainly the cause.

Your heating or cooling system is working harder than usual.

Heating and cooling account for about 52% of a typical home's energy use, according to the EIA. That makes your HVAC system the first place to look when your bill spikes unexpectedly.

A hotter summer or a colder winter can add $40-80 to a monthly bill without any change in behavior. The right comparison is the same month last year. If July 2026 was significantly hotter than July 2025, your bill reflects that.

If the weather was not unusual and your bill still jumped, your HVAC system may be losing efficiency. Systems older than 12-15 years work harder to produce the same output, which shows up directly on your bill. A clogged air filter has the same effect. It forces the system to work against resistance. If you have not changed your filter in more than 90 days, do it today. It takes five minutes and costs under $20.

Something in your home changed.

A new electric vehicle, a new roommate, a chest freezer in the garage, a teenager who discovered high-end gaming: all of these add real load and increase your costs. EVs in particular can add $30-60 per month to a typical household bill depending on how often and when you charge.

Your home is leaking air.

The US Department of Energy estimates that nine out of ten American homes are under-insulated. Air leaking through gaps around windows, doors, and electrical outlets forces your HVAC system to run longer to maintain temperature, which adds cost you never see.

A simple test: hold your hand near the window and door frames on a windy day. If you feel airflow, you are heating or cooling the outdoors. Weatherstripping is inexpensive and fixes most of this. A professional energy audit can identify less obvious leaks and typically pays for itself within a year in bill savings.

Adapted from the Department of Energy.

Devices are drawing power when you are not using them.

TVs, game consoles, cable boxes, and phone chargers draw power in standby mode. This phantom load, also called vampire energy, can account for 5-10% of a home's electricity use, according to the Lawrence Berkeley National Laboratory. On a $250 monthly bill, that is $12-25 you are paying for nothing.

Smart power strips and smart plugs let you cut standby power automatically on a schedule. Neither requires significant investment.

What you can do about it

The actions below are ordered by what would have the biggest impact on your bill.

Check your rate. Log into your utility account or look at the rate schedule on your bill. If your rate changed, you now know what you are dealing with.

Change your HVAC filter. Check this now if it has been more than 90 days. Immediate effect on system efficiency, for a low cost.

Seal air leaks. Weatherstripping around doors and windows takes an afternoon and typically reduces heating and cooling costs by 10-15%, according to the Department of Energy.

Adjust your thermostat. Raising your cooling set point by 2-3 degrees in summer, or lowering your heat set point in winter, reduces HVAC runtime meaningfully. A programmable thermostat can handle this automatically.

Get an energy audit. A professional audit identifies insulation gaps, duct leaks, and inefficient equipment you would not find on your own. Many utilities offer them free or subsidized.

If your bill keeps climbing despite all of this

Habit changes and weatherstripping help at the margins. If your electricity costs have been trending up for a year or more regardless of what you do, the root cause is usually one of two things: rising utility rates, or aging equipment that is becoming less efficient over time. 

A modern heat pump heats and cools your home more efficiently than any other HVAC technology available. For most homes replacing gas or older electric systems, the Department of Energy estimates that switching to a heat pump lowers annual heating and cooling costs, with the gap widest in homes currently on heating oil or propane. Solar panels reduce how much electricity you buy from the grid, which helps protect you from future rate increases. Battery storage lets you use the energy you generate during the hours when grid electricity is most expensive.

None of these require large upfront payments. Through the Palmetto's Plan, solar, battery storage, and heat pumps are available on a predictable monthly lease with no money down, typically structured so the monthly payment is lower than what you are currently spending, and most of the plans come with lifetime service and maintenance included. 

A good next step

If you want to know what is actually driving your bill and what it would cost to address it, a Palmetto's Energy Advisor can help you explore your specific needs, and what might be possible based on address, utility, and current usage. See what Palmetto can do for your home.

Last updated September 2026. Electricity rates and incentive programs change frequently. Verify current rate information with your utility and current federal incentive details at energystar.gov.