Why is my electric bill so high?

Usually it's one of six things — and only two of them are about how much electricity you actually used. Here's how to find out which one is hitting you, and what you can do about each.

Brighter Bills · Energy savings guides

Start here: it's probably not your usage

Most people assume a high bill means they left the lights on. Often it doesn't. Your bill has two halves, and they move independently:

• Supply — the cost of the electricity itself
• Delivery — the cost of getting it to your house through the wires

Pull out your bill and find those two numbers. If delivery went up and your usage didn't, nothing you do around the house will fix it. That's a rate change, not a behavior problem.

The six real causes

1. Your utility raised its rates

Utilities file for rate increases with the state, and they're approved quietly. Your usage stays flat and the bill still climbs. Compare this month's price per kilowatt-hour against the same month last year — it's printed on the bill. If the rate went up, that's your answer.

2. Seasonal swing

Air conditioning in summer and electric heat in winter can double a bill. The tell: compare against the same month last year, not last month. July against June tells you nothing useful.

3. You were billed on an estimate

When a meter isn't read, utilities estimate. Then the real reading arrives and you get a correction all at once. Look for the word "estimated" next to the meter reading. If the last few months were estimated and this one wasn't, you're paying a catch-up, not a new higher rate.

4. A supplier switch you don't remember agreeing to

In deregulated states, third-party suppliers can end up on your account after a door-knock or a phone call. Their teaser rate expires and rolls to a variable rate that can be far above the utility's. Check the supply section of your bill for a company name that isn't your utility. If one is there, that's worth a phone call today.

5. Something in the house is drawing more than you think

The usual culprits: an aging refrigerator, a dehumidifier or space heater running constantly, a well pump, a failing HVAC system, or a pool pump. An older second fridge in the garage is a classic — it can quietly cost real money every month.

6. More people or more hours at home

A household member working from home, a new baby, an adult child moving back — usage shifts without anyone noticing.

What actually lowers the bill

Honestly, most of the advice you'll find online is small. Swapping bulbs and unplugging chargers saves a few dollars. Here's the realistic order, biggest first:

1. Fix the supply rate. If a third-party supplier is overcharging you, switching back to the utility's default rate can be the single biggest change. It's free and takes one phone call.
2. Check whether community solar is available where you live. You can get a discount on the supply portion of your bill without installing anything, without upfront cost, and without changing utilities. More on this below.
3. Look into your utility's assistance and budget-billing programs. Most utilities have income-based discounts that go unclaimed, plus levelized billing that spreads the seasonal spikes evenly across the year.
4. Deal with the biggest appliance. Heating and cooling is usually more than half your usage. A serviced HVAC system and a programmable thermostat beat every small tip combined.

About community solar, plainly

You subscribe to a share of a solar farm somewhere else in your utility's territory. The power it produces generates credits that go onto your electric bill. You pay for those credits at a discount — so you come out ahead on the difference.

What it doesn't involve: no panels on your roof, no equipment, no installation, no money down, and no change to who delivers your power. Your utility stays your utility. If the power goes out, you still call them.

Whether you get one bill or two depends on your state. In New York and New Jersey the credits and charges appear on your existing utility bill — one bill, same as always. In Maine, Massachusetts, Minnesota and Delaware it's a two-bill setup, and Illinois currently has both models depending on the project: your utility bills you with the credits deducted, and your solar provider bills you separately for those credits at a discount. Two bills, but less money out the door overall. Full explanation here.

Renting is fine. You don't need to own your home. You only need an electric account in your name.

What it doesn't fix

Being straight with you: community solar discounts the supply side. It doesn't reduce delivery charges, and it won't do much if your bill is high because your air conditioner is failing or you're on a bad third-party supply contract. Fix those first. Community solar is a steady discount on top, not a rescue.