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EnergySavings · Missouri · Comparison

Union Electric Co vs Evergy Missouri West: who pays less in Missouri?

Data as of: EIA-861 annual 2024 (released 2025) · EIA monthly state prices February 2026 · EIA weekly heating-fuel survey Mar 30, 2026 · retail-choice registry reviewed Jun 2026 · URDB tariffs pulled Jun 2026. Page generated 2026-06-12.

Union Electric Co and Evergy Missouri West customers paid essentially the same in 2024: 12.56¢/kWh versus 12.55¢/kWh (EIA-861) — a dead heat, under $5 per year apart at typical usage (10,800 kWh/yr). Their territories meet in 8 MO counties (Clay, Clinton, Daviess, …). You cannot switch wires companies — the territory is set by your address.

Side by side (MO, EIA-861)

Union Electric Co vs Evergy Missouri West — residential averages from federal EIA-861 filings
MetricUnion Electric CoEvergy Missouri West
2024 average price, ¢/kWh12.5612.55
2023 average price, ¢/kWh12.2912.62
Annual cost at 10,800 kWh, $/yr$1,357$1,355
Residential customers (2024)1,095,619305,583
OwnershipInvestor-ownedInvestor-owned
Counties served in MO6531

Average price = residential revenue ÷ sales (bundled service): the all-in price customers actually paid, including supply, delivery and riders. Profiles: Union Electric Co · Evergy Missouri West · Missouri overview.

Where the territories meet

Both utilities file EIA-861 service territory in: Clay · Clinton · Daviess · DeKalb · Gentry · Livingston · Pettis · Ray counties (MO, 2024).

Adjoining or overlapping territory in a county does not mean households there can pick between the two — service maps are parcel-level and fixed. The county overlap mainly matters when choosing where to live or comparing town-level costs.

Can you actually choose between them?

No — not for delivery. Distribution territories are exclusive and set by address; Union Electric Co and Evergy Missouri West do not compete for the same meters. Missouri is a regulated retail market — there is no residential supplier shopping; rates are set in utility-commission proceedings (psc.mo.gov). The price gap above mainly matters when choosing where to live, comparing towns, or benchmarking your bill.

Questions people ask

Is Union Electric Co cheaper than Evergy Missouri West?
They were effectively tied in 2024: Union Electric Co averaged 12.56 cents/kWh and Evergy Missouri West 12.55 (EIA-861) — less than $5 per year apart at 10,800 kWh.
Can I switch from Union Electric Co to Evergy Missouri West?
No — distribution territories are exclusive and set by address; you cannot pick between the two wires companies. Missouri has no residential supplier shopping either; rates are set in utility-commission proceedings.
About these numbers. Rates shown are averages computed from federal regulatory filings (EIA Form 861) and public tariff databases — confirm with your utility before making decisions; your actual rate depends on your tariff, usage, and riders. Distribution utility is determined by address and generally cannot be chosen; in retail-choice states you may choose your supplier for the supply portion of the bill. Savings figures use 10,800 kWh/yr (US average residential usage) and are estimates, not quotes. EnergySavings is an independent data project by CertiHomes and is not affiliated with any utility, supplier, or government agency.