Ameren is an electric utility company that operates in the state of Missouri. The company serves over 1.2 million customers in the state, providing them with reliable and affordable energy solutions. Ameren operates a diverse mix of energy resources, including coal, natural gas, nuclear, and renewable energy sources such as wind and solar. The company has also invested in modernizing its infrastructure and implementing innovative technologies to improve the efficiency and reliability of its operations. In addition to providing energy, Ameren is committed to engaging with its customers and the community, offering energy efficiency programs and supporting local initiatives.
(314) 621-3222
ameren.com
Ameren's energy comes from coal, nuclear, hydroelectric, and natural gas. Coal is the largest source of electricity, providing 84% of Ameren's energy. Nuclear is the second largest source, making up 12%. Hydroelectric provides 2% of Ameren's electricity. Natural Gas provides 1% of Ameren's electricity.
85%
Coal
12%
Nuclear
2%
Hydroelectric
1%
Natural Gas
The average electricity rate for Ameren customers is 10.81 cents/kWh. Ameren has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| RESIDENTIAL ULTIMATE SAVER SERVICE | TOU | 5¢ to 816¢ |
| RESIDENTIAL SMART SAVER SERVICE(OPTION-B) | TOU | 7¢ to 36¢ |
| RESIDENTIAL SMART SAVER SERVICE(OPTION-A) | TOU | 6¢ to 36¢ |
| RESIDENTIAL OVERNIGHT SAVER SERVICE(OPTION-B) | TOU | 7¢ to 17¢ |
| RESIDENTIAL ANYTIME SERVICE | Fixed | 7¢ to 14¢ |
| RESIDENTIAL EVENING/MORNING SAVER SERVICE | TOU | 7¢ to 15¢ |
| 1(M)TOD-Residential Time Of Day | TOU | 6¢ to 34¢ |
| 1(M) Residential Service Rate | Fixed | 6¢ to 13¢ |
| RESIDENTIAL OVERNIGHT SAVER SERVICE(OPTION-A) | TOU | 6¢ to 17¢ |
| GRANDFATHERED OPTIONAL TOD (TIME-OF-DAY) RATE PILOT | TOU | 7¢ to 36¢ |
In 2021, the average Ameren customer lost electricity one time for a duration of 287 minutes. In total, the average Ameren customer had their electricity out for about 293 minutes during the whole year.
Credited to customer's next bill at avoided-cost rate; credits expire after 12 months or upon termination of customer's utility service or net metering relationship.