The blocks-based program was introduced to customers in 2018 and includes two solar facilities and had a 50% of usage enrollment cap. All future facilities will be built under the percentage-based program.

The new percentage-based Community Solar program was introduced to customers in Fall 2022. This offers customers the flexibility to enroll up to 100% of their electric usage and a lower, one-time $25 participation fee.

The estimated rate for the program is:

Residential (1M): $0.1732/kWh
Small Business (2M): $0.1565/kWh

This will be updated with the tariff-based rate prior to billing commencement.

Note: Existing Community Solar customers can continue on the blocks-based rate and will still be capped at 50% of their usage. No new enrollments will be accepted on the blocks-based program.

One great benefit of this program is that approximately 50% of the rate (the Solar Generation Rate component) is capped. This portion of the rate cannot increase once it is set in the tariff. The Facilities Rate component (the other half of the rate) is subject to change.

Community Solar offers participants the opportunity to lock in the benefits of solar generation cost savings over time with a partial rate cap.

This partial rate cap works as follows:

• Your Community Solar rate is made of two parts:
  • Solar Generation Charge – This covers the cost of building and generating solar energy.
  • Facilities Charge – This covers the costs of providing service to your home or business.
• Over time, the Facilities Charge may rise due to the costs of providing service to your home.
• The Solar Generation Charge, however, once capped can never increase.

Customers can log in to their online account to adjust or cancel their community solar subscription by going to Programs, and then selecting Community Solar. Customers can also receive assistance from the Ameren Missouri contact center at 800.552.7583.

The Community Solar unit (energy center) you subscribe to will go through a construction planning process as subscribers join the program. Once Ameren Missouri formally commits to construction, the options available change. Where the energy center is in this process determines how you can adjust your subscription:

• Prior to construction commitment, you can adjust your percentage subscribed up or down or cancel completely with no restrictions.
• Once construction commitment occurs, you can adjust your subscribed percentage up or down as long as you remain subscribed to a minimum of one percent.
  • If you request additional capacity and none is available, your request will be placed on a waitlist.
• At the time of and after construction commitment, you are able to cancel your entire subscription as long as there is a person on the waiting list to take your place or if you move out of the Ameren Missouri service territory.

Your subscription is subject to a two-year enrollment commitment unless a waitlist exists that can fill your canceled subscription. You can decrease your subscription to as low as one block or 1% to meet this enrollment requirement.

If a waitlist does exist, it will take 1-2 business days for Ameren Missouri's system to process your cancelation request and unenroll you from the system. During this 1-2 day period, your account may continue to appear as enrolled at a minimum level of one block or 1% in order for Ameren Missouri's system to check on waitlist availability to fill your subscription.

Over time, due to the capped Solar Generation Rate component, you may experience a cost-savings as standard rates increase. However, currently, the indicative, estimated rate for this program is above standard rates. This means you will pay a premium to participate in Community Solar. The premium covers the costs of operating a specialized program for customers interested in up to 100% green energy that Ameren Missouri builds, maintains, and operates on behalf of participants.

If you would like more information about statement charges, visit Ameren Missouri's Understanding Your Energy Statement page.