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Ameren Missouri Peak Hours: 3–7 PM Summer Weekdays

Ameren Missouri's peak hours depend on your rate plan. On the Smart Saver and Ultimate Saver plans, peak is 3 p.m. to 7 p.m. on weekdays from June to September, and 6–8 a.m. plus 6–8 p.m. on weekdays from October to May. Overnight Savers pay more from 6 a.m. to 10 p.m. every day, and Evening/Morning Savers from 9 a.m. to 9 p.m. At the widest gap (summer), power costs 40.5¢ per kWh in on-peak hours and 7.7¢ in off-peak hours.

Checked by hand against Ameren Missouri time-of-use rates on . Ameren Missouri's page shows no effective date for these prices. Utilities change these rates, so check your bill or Ameren Missouri before you plan around them.

Ameren Missouri peak hours, hour by hour

Plan: Smart Savers. Optional. Customers with a smart meter can choose any Ameren Missouri plan.

On-peakMid-peakOff-peak

HourSummer weekdays
June–September
Winter weekdays
October–May
Weekends and holidays
All year
midnight–1 a.m.Off-peakOff-peakOff-peak
1 a.m.–2 a.m.Off-peakOff-peakOff-peak
2 a.m.–3 a.m.Off-peakOff-peakOff-peak
3 a.m.–4 a.m.Off-peakOff-peakOff-peak
4 a.m.–5 a.m.Off-peakOff-peakOff-peak
5 a.m.–6 a.m.Off-peakOff-peakOff-peak
6 a.m.–7 a.m.Mid-peakOn-peakMid-peak
7 a.m.–8 a.m.Mid-peakOn-peakMid-peak
8 a.m.–9 a.m.Mid-peakMid-peakMid-peak
9 a.m.–10 a.m.Mid-peakMid-peakMid-peak
10 a.m.–11 a.m.Mid-peakMid-peakMid-peak
11 a.m.–noonMid-peakMid-peakMid-peak
noon–1 p.m.Mid-peakMid-peakMid-peak
1 p.m.–2 p.m.Mid-peakMid-peakMid-peak
2 p.m.–3 p.m.Mid-peakMid-peakMid-peak
3 p.m.–4 p.m.On-peakMid-peakMid-peak
4 p.m.–5 p.m.On-peakMid-peakMid-peak
5 p.m.–6 p.m.On-peakMid-peakMid-peak
6 p.m.–7 p.m.On-peakOn-peakMid-peak
7 p.m.–8 p.m.Mid-peakOn-peakMid-peak
8 p.m.–9 p.m.Mid-peakMid-peakMid-peak
9 p.m.–10 p.m.Mid-peakMid-peakMid-peak
10 p.m.–11 p.m.Off-peakOff-peakOff-peak
11 p.m.–midnightOff-peakOff-peakOff-peak

Off-peak holidays on Smart Savers and Ultimate Savers: New Year's Day, Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving, the day after Thanksgiving, Christmas Eve and Christmas Day.

Ameren Missouri time-of-use prices

SeasonPeriodWeekday hoursWeekends and holidaysPrice per kWh
Summer
June–September
On-peak3 p.m.–7 p.m.—40.5¢
Summer
June–September
Mid-peak6 a.m.–3 p.m. and 7 p.m.–10 p.m.6 a.m.–10 p.m.12.2¢
Summer
June–September
Off-peak10 p.m.–6 a.m.10 p.m.–6 a.m.7.7¢
Winter
October–May
On-peak6 a.m.–8 a.m. and 6 p.m.–8 p.m.—not published
Winter
October–May
Mid-peak8 a.m.–6 p.m. and 8 p.m.–10 p.m.6 a.m.–10 p.m.not published
Winter
October–May
Off-peak10 p.m.–6 a.m.10 p.m.–6 a.m.not published

Summer prices per kWh as listed (rounded to a tenth of a cent) on Ameren Missouri's time-of-use page. That page's winter prices for this plan do not match its own hours, so we leave them out; check them with Ameren.

Ultimate Savers has the same peak hours (34.1¢ peak and 5.8¢ off-peak in summer) plus a demand charge of $9.28 per kW in summer and $3.83 in winter.

What an hour of use costs: on-peak vs off-peak

One hour of each appliance at Ameren Missouri's summer prices (40.5¢ vs 7.7¢ per kWh), using the typical wattage from our appliance usage pages.

AppliancekWh per hourOn-peakOff-peakYou save
Central AC3.5$1.42$0.27$1.15
Clothes Dryer3.0$1.22$0.23$0.98
Dishwasher1.5$0.61$0.12$0.49
Electric Vehicle Charger7.2$2.92$0.55$2.36

Other Ameren Missouri plans

  • Anytime Users (standard): No peak hours: 15.6¢ per kWh in summer; 10.6¢ for the first 750 kWh and 7.1¢ above that in winter.
  • Evening/Morning Savers: Peak 9 a.m.–9 p.m. every day, only slightly higher: 15.81¢ vs 15.24¢ in summer.
  • Overnight Savers: Peak 6 a.m.–10 p.m. every day: 18.4¢ vs 7.3¢ overnight in summer; 10.3¢ vs 6.3¢ in winter.
  • Ultimate Savers: Peak 3–7 p.m. summer weekdays (34.1¢) and 6–8 a.m. and 6–8 p.m. winter weekdays, plus a demand charge.

How Ameren Missouri prices compare with the Missouri average

The average home in Missouri paid 16.02¢ per kWh in the latest month of EIA data, all charges included and averaged over every hour of the day. See Missouri's month-by-month price history.

EIA data for , updated · Source: U.S. Energy Information Administration

All Missouri utilities · Average electric bill in Missouri

Questions about Ameren Missouri peak hours

What are Ameren Missouri peak hours?

Ameren Missouri's peak hours depend on your rate plan. On the Smart Saver and Ultimate Saver plans, peak is 3 p.m. to 7 p.m. on weekdays from June to September, and 6–8 a.m. plus 6–8 p.m. on weekdays from October to May. Overnight Savers pay more from 6 a.m. to 10 p.m. every day, and Evening/Morning Savers from 9 a.m. to 9 p.m.

Are weekends off-peak with Ameren Missouri?

Mostly. Weekends and holidays have no on-peak hours on Ameren Missouri's Smart Savers plan, but they do have a mid-peak price: 6 a.m.–10 p.m., all year.

What is the cheapest time to use electricity with Ameren Missouri?

The off-peak hours: 10 p.m.–6 a.m. every day in summer (June–September), at 7.7¢ per kWh, against 40.5¢ in the on-peak hours.

How much more does electricity cost during Ameren Missouri peak hours?

40.5¢ per kWh in peak hours in summer (June–September), 5.3 times the off-peak price of 7.7¢. Summer prices per kWh as listed (rounded to a tenth of a cent) on Ameren Missouri's time-of-use page. That page's winter prices for this plan do not match its own hours, so we leave them out; check them with Ameren.

Do Ameren Missouri peak hours change with the seasons?

Yes. Peak hours are 3 p.m.–7 p.m. weekdays in summer (June–September); 6 a.m.–8 a.m. and 6 p.m.–8 p.m. weekdays in winter (October–May).

Sources

We read Ameren Missouri's own rate pages and tariffs on Nov 11, 2026 and copied the hours and prices by hand. These are the published prices for one plan, not a quote; your bill also depends on taxes, riders and how much you use. How we work.

Peak hours for 15 utilities · Missouri electricity prices