HomeWattCost

Ameren Missouri 1(M) Anytime vs 1(M) Evening/Morning

1(M) Anytime and 1(M) Evening/Morning cost about the same for a typical Missouri home (within $1 a year). They stay within about 1% of each other at every level of use from 200 to 2,500 kWh a month, with the same daily pattern of use.

Utility Ameren MissouriTariffs checked 2026-10-12Typical use 1,039 kWh/mo, Missouri

Head to head

Scenario1(M) Anytime1(M) Evening/MorningCheaper
Typical home, per month$145$145Tie
All-in price per kWh14.0¢14.0¢Tie
Home + EV, charged at the cheapest hour$175$175Tie
Home + EV, plugged in at 6 pm$175$176Tie
Fixed charge$9.19$9.19

Typical home: Missouri average use by month (EIA), shaped hour by hour (NREL ResStock), before taxes. EV: Tesla Model Y Long Range AWD, 1,000 miles a month; cheapest start any hour on 1(M) Anytime, 12 am on 1(M) Evening/Morning.

Month by month

Typical-home bill each month on each plan.

PlanJanFebMarAprMayJunJulAugSepOctNovDec
1(M) Anytime$145$125$108$96$102$193$242$233$172$99$101$128
1(M) Evening/Morning$145$124$108$96$102$193$242$233$172$99$101$128

1(M) Anytime: price by hour

July weekday.

Same price all day
16.6¢12a3a6a9a12p3p6p9p12a

1(M) Evening/Morning: price by hour

July weekday.

Off-peakPeak
16.2¢16.8¢16.2¢12a3a6a9a12p3p6p9p12a

1(M) Anytime or 1(M) Evening/Morning: common questions

Is 1(M) Anytime or 1(M) Evening/Morning cheaper?

1(M) Anytime and 1(M) Evening/Morning cost about the same for a typical Missouri home (within $1 a year). They stay within about 1% of each other at every level of use from 200 to 2,500 kWh a month, with the same daily pattern of use. Adding an EV driven 1,000 miles a month and charged at each plan’s cheapest hour, both plans cost about the same ($175 and $175 a month).

What is the difference between 1(M) Anytime and 1(M) Evening/Morning?

1(M) Anytime is tiered: the price per kWh rises with monthly use, with a fixed charge of $9.19 a month. 1(M) Evening/Morning is time-of-use (summer weekdays: Peak 9 am–9 pm; lowest price 9 pm–9 am next day), with a fixed charge of $9.19 a month.

More Ameren Missouri comparisons

How the two plans work

1(M) Anytime: Anytime Users

  • In July every kWh costs about 16.6¢, whatever the month's use.
  • Fixed charge: $9.19 a month.

1(M) Evening/Morning: Evening/Morning Savers

  • Peak 9 am–9 pm on July weekdays; 12 of 24 hours carry the top price of 16.8¢.
  • The cheapest July weekday hour costs 16.2¢, so moving 1 kWh out of the top hours saves 0.6¢.
  • In January every hour costs the same (8.0¢).
  • Summer pricing applies Jun–Sep; winter pricing Oct–May.
  • Fixed charge: $9.19 a month.

Your own pattern of use decides the winner: compare every Ameren Missouri plan on your usage, or see all Ameren Missouri plans, sources and peak hours.