What the Average Electric Bill in Missouri Actually Is
The average Missouri household pays roughly $136.94 a month for electricity. That comes from an average residential rate of 13.68 cents per kilowatt-hour as of May 2026 — about 26 percent below the national average of 18.44 cents — applied to 1,001 kilowatt-hours a month, which is about 16 percent above the national average of 863. The cheap rate more than absorbs the heavy usage, and the resulting bill lands roughly 14 percent under the national average of $159.14.
What that single number hides is a state with two distinct seasonal peaks. Missouri gets genuinely hot and humid from June through early September and genuinely cold from December through February, and a lot of households run substantial electric loads in both directions. The result is a bill curve with two humps and two mild shoulder seasons, rather than the single summer spike of the Deep South or the single winter spike of northern New England. A household's April and October bills can be less than half of its July and January bills.
Geography splits it further. St. Louis and Kansas City households, mostly on natural gas heat, see a summer-dominant profile. Rural southern Missouri, where electric heat and manufactured housing are more common, often sees the year's worst bill in January. The Ozarks, the Bootheel, and the northern plains counties are not one climate and do not produce one bill. If you want your own figure rather than the state's, the electricity bill calculator takes your kilowatt-hours and rate directly.
Why Missouri's Rate Sits Near 13.7 Cents
Missouri is a regulated state: utilities own generation, transmission, and distribution, and sell a bundled product at prices set by the Missouri Public Service Commission through rate cases. Residential customers have no competitive supply market, so nothing about the price is negotiable at the household level.
The rate is low for reasons that are mostly historical and physical. Missouri's fleet was built around large baseload coal plants sited near cheap Powder River Basin coal delivered by rail, and those plants are long since depreciated — an old asset that still runs produces some of the cheapest electricity on any system. Ameren Missouri also operates the Callaway nuclear plant, and nuclear output has similar economics once the capital is behind you: high fixed cost, very low fuel cost, steady around the clock. Wind capacity across Missouri and the surrounding plains has grown substantially and bids into the wholesale market at essentially zero fuel cost.
Delivery costs are moderate. The state has two large metropolitan load centers, which spreads distribution costs efficiently, alongside a wide rural territory that does not. Missouri's utilities sit inside regional wholesale markets — MISO and SPP depending on the utility — so a portion of the energy on your bill is priced by regional dispatch rather than by any one plant.
The forces pushing the rate up are the ones to watch. Retiring coal units still carry undepreciated balances that must be recovered somewhere. Replacement capacity, transmission upgrades, and storm and reliability spending all enter through rate cases, and Missouri regulatory proceedings over how quickly utilities may recover new plant investment have been consistently contested. A low rate today is a statement about the past fleet, not a guarantee about the next decade.
Why Missouri Households Use About 1,001 kWh a Month
Missouri's usage runs above the national average because the state pays a climate penalty at both ends of the year, and because the housing stock is old.
Summer. Missouri summers are hot and humid, not hot and dry. Air conditioners here spend meaningful energy on dehumidification, and July stretches of high overnight temperatures mean the system never gets the cheap recovery period that a dry climate offers after sunset. Central air is close to universal in newer housing and common in older housing.
Winter. Cold is real here. Most urban Missouri homes heat with natural gas, which keeps electricity usage moderate in December and January but simply moves the cost onto a different bill — a point worth remembering before congratulating yourself on a low winter electric bill. Where heating is electric, particularly in rural and southern counties and in manufactured housing, winter can be the year's worst month, especially in heat-pump homes where a cold snap brings on resistance backup strips.
Housing. Missouri has a lot of pre-1970 housing, especially in the older neighborhoods of St. Louis and Kansas City and across small towns. Balloon-framed walls with little insulation, uninsulated basements and rim joists, and original single-pane windows all raise the load a heating and cooling system has to meet. Homes are also reasonably large by national standards, and floor area is one of the most reliable predictors of consumption there is.
If the gas bill is the other half of your energy picture, the natural gas bill calculator is the companion to this page; treating the electric bill alone as your energy cost is the most common mistake households in gas-heated states make.
What You Can Control in a Regulated Market
There is no supplier to shop for in Missouri, so the levers are rate structure, timing, and the building itself.
Rate plan selection is the underused one. Missouri's large utilities offer optional time-of-use and peak-time rate structures alongside the standard flat rate. A time-of-use rate charges more during a defined afternoon and early-evening window and less the rest of the day; it can be a genuinely large saving for households with electric vehicles, controllable water heating, or the flexibility to run laundry and dishwashers late. It is a genuinely bad deal for households that are home all day, cook at six, and cannot move load. Read the peak window and the peak price before switching, and be honest about your own schedule — the time-of-use guide explains what to check.
Budget billing is well suited to a two-peak state like this one, because it flattens both the July and January spikes. It does not reduce the annual total; it redistributes it and trues up later.
Efficiency work that pays back in Missouri is weighted toward the envelope, not the equipment, precisely because the state has both a heating and a cooling season and envelope improvements work in both directions. Attic insulation and air sealing in an older home are the highest-return items on most lists. Basement rim joist sealing is cheap, ugly, and effective. Duct sealing matters where ducts run through unconditioned attics or crawlspaces.
Utility rate cases are public. When your utility files for an increase, there is a comment process and a state Office of the Public Counsel that represents residential customers. Few households ever engage with it. It is the only formal input a Missouri ratepayer has into the price, and it is free.
The Utilities Serving Missouri and What Differs Between Them
Ameren Missouri serves St. Louis and much of eastern and central Missouri and is the state's largest electric utility. It is investor-owned, regulated by the Missouri PSC, operates in the MISO wholesale market, and owns a generation portfolio that includes the Callaway nuclear plant, coal capacity, hydro, and a growing renewable position. It is also a combination utility, selling natural gas in parts of its territory.
Evergy serves the Kansas City metropolitan area and a band of western and northwestern Missouri. Its Missouri operations are historically two separate legacy companies with two distinct rate territories, which is why neighbors a few miles apart can be on different tariffs with different terms — a structural quirk worth checking before comparing your bill to a friend's. Evergy operates in the SPP market rather than MISO, a different regional grid with a different generation mix and different congestion patterns.
Liberty Utilities, the former Empire District Electric, serves southwestern Missouri around Joplin. It is much smaller than the other two, which matters more than it sounds: a small utility spreads any single large investment across far fewer customers, so major capital projects move its rates more sharply than the same project would move Ameren's. Liberty has leaned heavily into wind generation in recent years.
Beyond the three investor-owned companies, Missouri has a substantial network of member-owned rural electric cooperatives and several municipal utilities. Co-op rates are set by a board elected by the members rather than by the state commission, and municipal utility rates are set by city government. If you are served by either, the PSC is not your regulator and the rate case process described above does not apply to you.
The Two-Season Problem, and What It Means for Comparisons
Missouri households comparing bills with friends or relatives elsewhere routinely reach the wrong conclusion, because the state's position is unusual: below-average price, above-average usage, below-average bill. Each of those three framings puts Missouri in a different place in the rankings, and none of them is wrong.
The practical version of this is that a Missouri household should not benchmark against a national figure at all. Benchmark against your own house last year, same month, adjusted for how the weather actually behaved. A 20 percent year-over-year increase in a July bill after a hotter July is not evidence of a problem. The same increase in a mild October is.
The other Missouri-specific point concerns the split between gas and electric heat. Roughly speaking, a gas-heated Missouri home has a summer-dominant electric bill and a winter-dominant gas bill, and looking at either in isolation produces a misleading picture of the household's energy spending. An electrically heated home concentrates everything into one bill, which looks worse on the electric line but is not automatically worse in total. Before deciding your electric bill is out of line, add the two together and compare annual totals — that is the number that reflects what your house actually costs to condition.
For a per-appliance breakdown of where the kilowatt-hours are going, the appliance energy cost calculator will price individual loads at Missouri's rate, which is usually more illuminating than another look at the monthly total.
Frequently asked questions
Is $136.94 a month a good electric bill in Missouri?
It is the state average, which is about 14 percent below the national average of $159.14 — but whether it is good for your household depends on how you heat. A gas-heated home in Kansas City or St. Louis with a bill near that figure is probably running high, because its winter electric usage should be modest. An all-electric home in southern Missouri at the same figure is doing well. The state average blends both patterns together, which is exactly why it describes almost nobody. Compare against your own house in the same month last year instead.
Can I switch electricity suppliers in Missouri?
No. Missouri is a regulated state with no residential retail choice, so there are no competing suppliers to shop and no supply contracts to sign. Your utility provides both the electricity and the delivery at a single bundled rate approved by the Missouri Public Service Commission, or by a co-op board or city council if you are served by a cooperative or municipal system. Offers to lower your electricity supply rate in Missouri should be treated with suspicion. What you can choose is the rate structure your own utility offers, such as time-of-use options, and how you use power.
Why does my Missouri electric bill peak twice a year?
Because Missouri has both a hot humid summer and a cold continental winter, and many homes run electric loads in both. Air conditioning drives the July and August peak; heating drives the December through February one, sharply so in homes with heat pumps or electric resistance heat. Households on natural gas heat see a much smaller winter electric peak, but that cost has simply moved to the gas bill rather than disappeared. April, May, and October are the shoulder months where neither system runs much, and those are the bills that tell you what your baseline household load really is.
Is a time-of-use rate worth it in Missouri?
It depends entirely on whether you can move load out of the late-afternoon peak window. Households with an electric vehicle charging overnight, a controllable water heater, or a schedule that keeps them out of the house until evening frequently come out clearly ahead. Households with someone home all day, evening cooking, and no shiftable large loads often come out behind, sometimes significantly, because the peak price is meaningfully higher than the flat rate it replaces. Look up your utility's specific peak hours and peak price, then check them against a week of your own actual usage before enrolling.
Who regulates electricity rates in Missouri?
The Missouri Public Service Commission sets rates for the investor-owned utilities: Ameren Missouri, Evergy, and Liberty Utilities. Rate changes happen through formal rate cases that include public hearings and a comment process, and the state's Office of the Public Counsel participates on behalf of residential customers. Rural electric cooperatives are governed instead by boards elected by their own members, and municipal utilities are governed by city government, so neither is subject to PSC rate approval. Which body sets your rate depends on which of the three types of utility serves your address.