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Peak Time Savings - ecobee

ecobee is launching a new way to participate in the Ameren Missouri Peak Time Savings Program. Check your ecobee app to get the new eco+ offer and access even more ways to manage energy use around your home.

Purchase a Qualifying Thermostat

Ameren Missouri's Peak Time Savings program helps you save in a few ways.

Family of four plays in their livingroom while their smart thermostat keeps their home comfortable

The program's smart technology works in the background to learn your preferred temperature ranges and how your home uses energy based on factors like weather, your typical AC runtime, and how quickly or slowly the temperature changes in your home.

Mother and daughter pack for a trip knowing they can adjust their smart thermostat from a smart phone
Energy Efficiency Days

The Peak Time Savings Program checks for energy-saving opportunities every day. When an opportunity arises to help you save, a custom schedule is sent to your smart thermostat. By adjusting the temperature a few degrees, you'll save energy and might not even notice.

Updates sent to your smart phone from Peak Time Savings make it easy to participate
Program Events

There may be a few days in the summer that create a heavier demand for energy. To ensure everyone's energy needs are met efficiently, we'll announce a Peak Time Savings Program event to reduce demand where we can. These events pre-cool your home when energy demand is lowest and limit your air conditioning usage during the event. This helps you stay comfortable before, during and after the event, while conserving energy during those peak times. You'll always be notified when an event is scheduled.

Woman on her couch with her dog while her smart thermostat saves her money and energy
Effortless Control

To help you stay comfortable and lower your energy costs, our smart technology automatically adjusts your temperature based on learned preferences. Rest assured that you can still adjust the temperature in your home at any time. Otherwise, enjoy the energy savings.

Tree on a hot summer St. Louis day that would trigger a Peak Time Savings event
Make a Difference

The Ameren Missouri Peak Time Savings Program events are an easy way to save money and energy, reduce your carbon footprint, and keep energy costs more affordable for all Ameren Missouri customers - without ever lifting a finger.

Make a Difference

Earn $50 just for signing up!

Your thermostat already does a lot to keep you comfortable and conserve energy. But now Ameren Missouri Peak Time Savings Program is here to help your thermostat do even more. By understanding how your home uses energy, the weather in your area, and your unique comfort settings, Peak Time Savings uses its cutting-edge technology to create the most energy-efficient schedule for you and your family. Peak Time Savings easily fits your lifestyle to help you save the most while still keeping you comfortable.

How it Works

  1. Make sure that your home's cooling system is operated by a qualifying WiFi-enabled smart thermostat. (See our FAQ page for a list of qualifying smart thermostats.) Don't have a smart thermostat? You can purchase one at the Ameren Missouri Online Store and install it.
  2. Complete the Peak Time Savings program enrollment form online. You may also call 1.877.215.5752 for additional questions.
  3. You will receive a confirmation email from the Peak Time Savings Program and then you are officially enrolled. You'll now receive $50 as a sign-up bonus.
  4. On a daily basis, the Peak Time Savings Program will incorporate your preferences along with information about how your home uses energy, the local weather, and your billing information to create a more efficient schedule that will maximize your savings while maintaining your comfort.
  5. On the rare occasions that demand on the electrical grid is exceedingly high - and only on Monday through Friday during the months of May through September - your smart thermostat will automatically adjust to circulate the already-cooled air in your home. These times are called 'events' and will only last a few hours before your smart thermostat adjusts back to your preprogrammed cooling settings.
  6. Within a month of the anniversary of your enrollment, you'll receive $25.

Participation Requirements

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The requirements for participating in the Peak Time Savings program are as follows:

  • Customers must have Ameren Missouri residential electric service to participate.
  • This program is available to customers with individual, dedicated HVAC systems with central air conditioning only (including air-source heat pumps). Window AC units do not qualify, and customers are not eligible if their HVAC system is shared between units or centrally controlled.
  • Customers must have or purchase an eligible thermostat - ecobee3, ecobee3 lite, ecobee4 ecobee SmartThermostat with voice control, Google Nest Learning Thermostat (any generation), Google Nest Thermostat E, Sensi Smart Thermostat, or Sensi Touch Smart Thermostat
  • Any smart thermostat(s) participating in the program must be connected to Wi-Fi within the home
  • Any smart thermostat(s) participating in the program must be connected to and control a central air conditioner or air-source heat pump
  • No more than 2 smart thermostats per household and all smart thermostats in the home must be from the same manufacturer and be participating in the program
  • There can be no additional thermostats controlling temperature within the home
  • In 2019, ecobee may be offering some customers an opportunity to take part in a pilot called eco+. Customers cannot participate in both the ecobee pilot and Peak Time Savings program at the same time. If you currently participate in the ecobee pilot, you can elect to enroll in Peak Time Savings, at which time you will be removed from the ecobee eco+ 2019 pilot.
  • Net metering customers are not eligible
  • Customer's account must not be in the Medical Equipment Registry
  • Customers participating in a Time-of-Use (TOU) rate are not eligible
  • Agreement to the program Terms and Conditions which can be found here.

Frequently Asked Questions - Overall

How do I sign up?
Visit here to enroll your existing thermostat. If you need to purchase a qualifying thermostat visit the Ameren Missouri Online Store. Once you receive and install your new thermostat, visit here to complete your enrollment.
How is this different from just having a smart thermostat?
The Peak Time Savings Program makes your smart thermostat even smarter. Most smart thermostats offer custom schedules, but these schedules often do not account for variations in weather, how your home uses energy, Peak Demand events, or energy pricing. Peak Time Savings Program learns your preferences and proactively manages your thermostat daily to meet them, all while keeping your home comfortable.
Does the program save money on my bill?
In addition to participating in Peak Time Savings Program events, the program will help to optimize your daily thermostat settings to ensure your comfort and help save you money on your bill.
What thermostats are eligible?
The following thermostats are eligible for the program: ecobee3, ecobee3 lite, ecobee4 ecobee SmartThermostat with voice control, Google Nest Learning Thermostat (any generation), Google Nest Thermostat E, Sensi Smart Thermostat, or Sensi Touch Smart Thermostat.
Can I participate with my Nest thermostat?
The Peak Time Savings Program is actively working to include additional thermostat models including Nest. Please check back with us for additional information on when this will be available.
Can I use my existing ecobee thermostat?
Yes! You can enroll your existing thermostat in the program by going to the enrollment page.
What if I don't have a qualifying thermostat?
If you don't have a qualifying thermostat, simply visit the Ameren Missouri Online Store. There you can select and purchase a qualifying thermostat. Once you receive and install your new thermostat, visit here to complete your enrollment.
What do I get for participating?
You will receive a one-time $50 sign-up bonus for enrolling your thermostat into the Peak Time Savings Program. Additionally, you will receive $25 each year you continue to participate in the Peak Time Savings Program. Each qualifying thermostat is limited to one $50 sign-up bonus, so if you purchase and enroll a new ecobee thermostat through the Ameren Missouri Online Store, you will receive the sign-up bonus as an instant rebate at time of purchase. Should you unenroll and decide to reenroll at a later date, you will be eligible to receive the annual incentive based on your new enrollment date, but cannot receive the sign-up bonus again.
When will I receive my incentive?
When you enroll your existing thermostat in the program, your sign-up bonus check will be received within 4 weeks of completed enrollment. In addition, for continued participation in the Peak Time Savings Program, the annual incentive will be received within 4 weeks of the anniversary of your enrollment.
Who do I contact if I have additional questions?
If you have questions or require assistance, then email the program at savings@amerenmissouri.com or simply call the Peak Time Savings Program at 1.877.215.5752.

Frequently Asked Questions - Event Questions

What is a Peak Time Savings event?
On certain days during the summer, the Peak Time Savings Program will run an event to save energy during high demand times. During these events, the Peak Time Savings Program will manage your cooling schedule to reduce the runtime of your HVAC system when there is the most demand for energy. To ensure your comfort, we cool your home in advance of a Peak Time Savings event when energy demand is low. By doing this, we can prepare your home for the Peak Time Savings event to keep it comfortable while your air conditioning is off during the Peak Time Savings event.
When could an event occur and how often?
Events can occur Monday through Friday in the months of May through September. Typically, events are called in the late afternoon. Up to 10 events can be called each summer. Peak Time Savings Program events can last up to four hours.
How do I know when an event is occurring?
The program will send an email to you let you know that an event is planned the same day as the event is scheduled. The program will also send an email letting you know when an event is beginning and ending.
Can I adjust my thermostat during Peak Time Savings Events?
The Peak Time Savings Program takes into consideration your comfort preferences and will always operate within a comfort band based on your thermostat settings to make sure you and your family stay comfortable throughout the event. Average indoor temperature typically increases around two degrees Fahrenheit.

If you wish to opt out of the event and adjust your thermostat settings, then you can call the Peak Time Savings Program at 1.877.215.5752. Ameren Missouri reserves the right to remove participants from the Peak Time Savings Program or make the customer ineligible for the next annual incentive if they opt out of three or more events in the year.

Frequently Asked Questions - Thermostat Optimization Questions

What is Peak Time Savings doing when it is optimizing on Energy Efficiency days?
Peak Time Savings uses the weather, the unique characteristics of your home, and your preferences to create a personalized thermostat schedule for the day that keeps you comfortable and helps you save. This may mean that you see some different setpoints on your ecobee!
The temperature in my home is uncomfortable on Energy Efficiency days. What can I do?
In general, the key ingredient in Peak Time Savings' energy efficiency algorithms are your preset home, sleep, and away schedules. So, if you're uncomfortable during certain parts of the day, the best and easiest thing to do is check your standard home, sleep, and away schedules and adjust them accordingly: if you're too warm, try lowering the set temperature of your schedule.

Have you already recalibrated your schedule? Simply adjust your thermostat. You're always in control of your thermostat.

Why should I set my smart thermostat schedule?
Setting your smart thermostat schedule will help us understand how you like to keep your home. Do you like it a little warmer in the morning? A little cooler at night? Adjust your schedule to reflect these preferences, and we'll do the rest.
Can I adjust my thermostat during Energy Efficiency Days?
When the program sees an opportunity to help you save even more on non-event days, it may set your thermostat above or below your settings by around two degrees. The goal is for this change to be so small that you stay comfortable. These optimizations are always provided to you for your energy savings. If you are not comfortable, make sure your thermostat schedule is set to temperatures that you like. Setting your thermostat schedule will help us understand how you like to keep your home. You can change your thermostat schedule at any time. The Peak Time Savings Program will adjust to your new preferences to continue to help you save the most.

Also, you can adjust the set point on your thermostat. The Peak Time Savings Program will resume when the next EE schedule is dispatched, which is typically at a 2-hour cadence.

It looks like my Smart Home, Smart Away, or Smart Recovery is off. Is that a change you made?
When Peak Time Savings sees an opportunity to help you save even more, it may turn off certain features on your ecobee, including your Smart Home, Smart Away, and Smart Recovery settings. Our goal is for these changes to be so small that you don't even notice, but if you are uncomfortable, you can adjust your thermostat set point.

When Peak Time Savings isn't optimizing your schedule for more savings, we'll always follow your regular thermostat settings.

Does Peak Time Savings work with my ecobee sensors?
Yes. If your ecobee came with sensors, you can use them with Peak Time Savings. Peak Time Savings will look at the temperatures on each of your sensors, and your thermostat, to create a custom schedule.

To get the best schedule, avoid putting your sensors close to a place that is drafty or unusually warm, such as a vent, fan, window, or oven.

How does Peak Time Savings operate with my sensors?
Peak Time Savings respects your sensor configurations. If you have a sensor in your bedroom, make sure that it is set up to align with your sleep schedule. If you're still too hot at night, try adjusting your sleep schedule to a lower temperature.
Can I unenroll from daily energy efficiency optimization and stay in Peak Time Savings events?
Not at this time. Peak Time Savings is working to make your smart thermostat even smarter. You save more energy on a daily basis and help to shift energy out of peak demand windows when Peak Time Savings events are called.