Here is something the entire "shop your electricity rate" industry is oddly quiet about: for most Americans, you cannot.
Not "it is complicated." Not "you have to look harder." In most of the country, there is exactly one company legally permitted to sell you electricity, the price is set by a state regulator, and no amount of comparison shopping changes that. The switch button does not exist.
This is not a small footnote. It is the first question anyone should answer before spending an evening comparing rates, and it takes about two minutes. So let us do that first, then talk about what to do in each case.
The two halves of your electric bill
Before the state list, you need one concept, because it explains everything else.
Your electricity bill is really two bills stapled together.
Delivery
The poles, wires, transformers, and meter that physically bring power to your house. Also the crew that shows up when a storm takes the line down.
This is a natural monopoly. Nobody is building a second set of poles down your street to compete. Your delivery company is assigned by geography, it is regulated, and you cannot switch it anywhere in America.
Supply
The actual electricity. The generation.
This is the half that can be opened to competition, because electrons from one generator are identical to electrons from another. Some states opened it. Most did not.
When people talk about "switching electricity providers," they mean switching the supply half only. Your wires company stays the same, your meter stays the same, the same crew still fixes your outage. What changes is the line item for generation.
This is why switching suppliers is less dramatic than it sounds. The lights do not go out. Nobody visits your house. In practice it is an accounting change that appears on your next bill.
So which states let you do it?
According to the US Energy Information Administration, retail choice is available to all customers of investor-owned utilities in the District of Columbia and 13 states: California, Connecticut, Delaware, Illinois, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, and Rhode Island.
Texas is its own case. Customers of utilities connected to the ERCOT grid, which is most of the state, are required to pick a retail provider. There is no default utility rate to sit on. Texas is the most fully competitive residential electricity market in the country, which is why it dominates the conversation online out of all proportion to the number of Americans it applies to.
Six more states have retail choice for businesses only: Michigan, Montana, Nevada, Oregon, Virginia, and Washington. If you live in one of these, you may read that your state is "deregulated" and then discover that as a household you have no options. That is why.
Everywhere else, and that is the majority of states, residential electricity supply is a regulated monopoly. One company, one rate, set by the public utility commission.
Three exceptions that catch people out
The state list gets you most of the way. Three details decide the rest, and they are the reason people in "deregulated" states still find they cannot switch.
1. Municipal utilities and co-ops usually do not participate. Retail choice laws generally apply to investor-owned utilities. If your power comes from a city-owned municipal utility or a member-owned rural electric cooperative, you are typically outside the program entirely, even in a choice state. Co-ops serve a lot of rural America, and Nebraska is served entirely by public power. This catches an enormous number of people who did everything right and still hit a wall.
2. California is not what the list implies. California appears on the retail choice list, but residential Direct Access has been suspended to new customers since September 2001, following the state's energy crisis. Direct Access today is available to non-residential customers only. What Californian households do have is Community Choice Aggregation, where a city or county becomes the default supplier for everyone in its jurisdiction. That is real supplier choice, but it is made collectively by your local government, not individually by you. Your decision is limited to opting out and returning to the utility.
3. Choice does not guarantee savings. In states where shopping is allowed, competitive supply is sometimes cheaper than the utility's default rate and sometimes more expensive, particularly on variable-rate plans that reset monthly. Several state regulators publish comparison sites for exactly this reason.
The most expensive mistake in a retail choice state is not failing to switch. It is switching to a teaser rate that converts to a variable rate after a few months and then climbs. If you shop, read what happens when the introductory term ends, and put the end date in your calendar the day you sign up.
The two-minute check
Step 1. Find your state on the list above. Not on it, or on the business-only list? You cannot switch supply. Skip to the section below.
Step 2. Find out what kind of utility you have. Look at your bill. If the company name includes "Electric Cooperative," "Public Power," "Municipal," or the name of your city, you are probably outside retail choice even in a choice state. Their website will say so.
Step 3. Find your state's "price to compare." In retail choice states, your utility is required to publish the supply rate you are currently paying, usually called the price to compare or the default service rate. It is on your bill and on the utility's site. This is your baseline number, and without it no comparison means anything.
Step 4. Use your state's official comparison site if it has one. Several public utility commissions run one. A state-run site is a better starting point than a lead-generation site, because it is not being paid per signup.
If you cannot switch, you are not stuck
This is the part that most electricity content skips, and it is the part that applies to more people.
Being in a regulated state means the supply rate is not negotiable. It does not mean your bill is fixed. Almost everything else about what you pay is still in play.
Your rate plan may not be your only option. Regulated utilities frequently offer more than one residential tariff: time-of-use plans that charge less overnight and more in the late afternoon, budget billing that levels payments across the year, and occasionally demand-based plans. Utilities do not advertise these aggressively. If your household can shift laundry, dishwashing, and EV charging out of the late-afternoon peak, a time-of-use plan can be meaningfully cheaper on identical usage. If you cannot shift, it can be more expensive. Ask your utility what residential rate options exist and which one your usage pattern suits.
Assistance and discount programs are widely underclaimed. Most utilities administer bill assistance for income-qualified households, plus medical baseline rates for homes with equipment that must stay powered. Eligibility is broader than people assume. These are applied by request, not automatically.
Efficiency rebates are usually funded whether you use them or not. Utility efficiency programs are typically paid for through a charge on every customer's bill, including yours. Free or subsidized home energy audits, insulation and heat pump rebates, and smart thermostat programs are common. Not claiming them does not save you the money, because you already paid for the program.
The two big physical levers are the same everywhere. In most homes, heating and cooling dominates the bill, and the building envelope decides how hard that system has to work. Sealing air leaks and adding attic insulation is unglamorous and it is where the durable savings live. The second lever is your water heater, typically the next largest draw.
Whatever state you are in, start by pulling twelve months of usage in kilowatt-hours from your utility's online account. Nearly every utility provides this. The shape of that curve tells you where your money goes: a summer spike means cooling, a winter spike means heating, and a flat line means something is running constantly and is worth hunting down.
The other bills are a different story
Here is the thing worth holding onto if you just discovered your state does not allow switching.
Electricity is unusual. It is the one household service where a regulator can simply forbid you from shopping. Almost nothing else on your bill stack works that way.
Mobile phone service is competitive in all 50 states. Internet is competitive nearly everywhere, usually with two to four options at a given address. Home and auto insurance are competitive everywhere and are among the largest bills most households carry. TV and streaming are entirely a matter of choice. Pest control, lawn care, propane, home security, and trash are open markets in most places.
For most American households, the electricity bill is the least changeable line on the list and gets the most attention, while insurance and mobile are the most changeable and get the least. That is backwards, and it is worth flipping.
Almost certainly because you are served by a municipal utility or an electric cooperative. Retail choice programs typically apply only to investor-owned utilities. Co-op and municipal customers are usually outside the program even in a choice state.
The same company as always. Your local wires utility owns and maintains the poles and lines regardless of who supplies your electricity, and you call the same outage number. Switching supply does not change anything physical about your service.
Often, yes. Many regulated utilities offer a green power or renewable option you can opt into on your existing account, and community solar programs are available in a growing number of states. Neither requires retail choice.
In competitive markets some suppliers run a credit check and may ask for a deposit, which varies by state and supplier. Switching itself does not damage credit. Terms are set at the state level, so check your regulator's consumer pages.
The short version
Before you spend an evening comparing electricity rates, spend two minutes confirming you are allowed to. Check the state list, then check whether your specific utility is investor-owned rather than a co-op or a municipal.
If the answer is yes, use your state's official comparison tool and your published price to compare, and watch the expiry date on anything introductory.
If the answer is no, stop looking at electricity. Your time is worth far more pointed at the bills that are genuinely competitive, which is nearly all the others.
Sources: US Energy Information Administration, Can electric utility customers choose their electricity supplier?; California Public Utilities Commission, Direct Access.