Electricity rates — KCP&L Greater Missouri Operations

What a typical bill costs

At 1,000 kWh a month the 4 generally available plans here run from $1,387.35 on Residential Time of Use - Two Period (RTOU-2) to $1,977.48 on Residential Other Use (GMO), with a median of $1,495.90.

Effective rates, bill divided by kilowatt-hours, span 11.6¢ to 16.5¢ per kWh at that usage.

What KCP&L Greater Missouri Operations's customers were billed in 2024

Priced at 978 kWh a month, what KCP&L Greater Missouri Operations's customers used on average, its open plans come within 1% of what EIA reports they were billed in 2024: the plans here describe its bills well.

How it compares

Among the 109 utilities indexed, KCP&L Greater Missouri Operations's cheapest open plan is the 28th-lowest, 16% less than their median of $1,649.16. It sits between Jackson Electric Member Corp ($1,381.37) and Entergy New Orleans Inc ($1,391.52).

In Missouri it is the 2nd-cheapest of the 4 utilities indexed; Union Electric Co starts lowest, at $1,169.34.

Residential Service (GMO) is tiered: past 1,000 kWh a month, each kWh costs 1.1¢ more. Of the 51 utilities whose plans step, that is the 15th-smallest step.

General Service Time-of-Day-Frozen (GMO) changes price with the season: a kWh costs 6.2¢ more in June to September than in October to May, and the same 1,000 kWh is billed $145.77 in its dearest month against $113.59 in its cheapest.

In the guides: The price that changes once the meter passes a line · The price that changes with the month

How the answer changes with usage

Residential Time of Use - Two Period (RTOU-2) is cheapest at every level tested — $771.08 a year at 500 kWh a month, $2,619.80 at 2,000 kWh.

The penalty for a poor choice grows with usage: $289.72 a year at 500 kWh against $1,191.16 at 2,000 kWh.

Cheapest 6 plans at 1,000 kWh a month

Residential Time of Use - Two Period (RTOU-2) — $1,387.35 a year, 11.6¢ per kWh effective, time-of-use. It carries a $12.90 monthly standing charge. In effect since August 2025.

Residential Service Time-of-Day-Frozen rate (GMO) — $1,399.13 a year, 11.7¢ per kWh effective, time-of-use. It carries a $18.46 monthly standing charge. In effect since March 2017. Too old to quote as a current price.

Residential Time of Use - Three Period — $1,469.15 a year, 12.2¢ per kWh effective, time-of-use. It carries a $12.90 monthly standing charge. In effect since August 2025.

General Service Time-of-Day-Frozen (GMO) — $1,503.67 a year, 12.5¢ per kWh effective, time-of-use. It carries a $24.86 monthly standing charge. In effect since March 2017. Too old to quote as a current price.

Residential Service (GMO) — $1,522.64 a year, 12.7¢ per kWh effective, tiered and priced by season. It carries a $12.90 monthly standing charge. In effect since August 2025.

Residential Service With Electric Space Heating (GMO) — $1,522.64 a year, 12.7¢ per kWh effective, tiered and priced by season. It carries a $12.90 monthly standing charge. In effect since August 2025. Restricted: needs electric heating.

How these plans are structured

Of 7 priceable plans: 2 tiered, 4 time-of-use, 3 priced by season.

Fixed monthly charges run from $12.00 to $24.86.

Who provides these plans

EIA-861 lists KCP&L Greater Missouri Operations serving homes in Missouri and in no other state, which is how its plans are placed there. 7 of its 7 published residential schedules can be priced.

The largest saving available here

Moving from Residential Other Use (GMO) to Residential Time of Use - Two Period (RTOU-2) saves $590.13 a year at 1,000 kWh a month, with no change in consumption.

What this does not cover

4 of these plans price by the hour, so their figures are marked lower confidence.