Electricity rates in Marissa, IL
Marissa (1,856 people, St. Clair County) is served by 3 electric utilities. Homes on Ameren Illinois Company pay about 17.28¢/kWh, 8% less than the Illinois average.
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Electric companies serving Marissa
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Ameren Illinois Company | Investor-owned utility | 17.28¢ | $153 | 588K | 287 |
| Tri-County Electric Co-op, Inc (IL) | Electric cooperative | 17.18¢ | $213 | 16K | 132 |
| Egyptian Electric Co-op Association | Electric cooperative | 17.21¢ | $208 | 14K | 773 |
Power outages in St. Clair County right now
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Outage history in St. Clair County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 200 | 398 |
| Days with outages | 47 | 66 |
| Most customers out at once | 4,529 (4.8%) | 18,062 (19.1%) |
| Worst day | 2024-07-16 | 2025-03-15 |
Outage minutes by month, 2025
More outage time than 2024 (200 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- New Athens 17.3¢
- Sparta 17.3¢
- Red Bud 17.3¢
- Freeburg 17.3¢
- Okawville 17.3¢
- Mascoutah 17.3¢
- Smithton 17.3¢
- Steeleville 17.3¢
- New Baden 17.3¢
- Scott Air Force Base 17.3¢
ZIP codes: 62257
Frequently asked questions
What is the electricity rate in Marissa?
Most homes in Marissa get power from Ameren Illinois Company, where residential customers pay an average of 17.28¢/kWh including all charges. The Illinois average is 18.79¢ and the U.S. average 17.99¢. Other utilities serving parts of Marissa: Tri-County Electric Co-op, Inc (IL) (17.18¢), Egyptian Electric Co-op Association (17.21¢).
What is the average electric bill in Marissa?
About $153 a month, based on 888 kWh a month (the average for Ameren Illinois Company customers) at 17.28¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Marissa, IL?
3 utilities serve Marissa's ZIP codes: Ameren Illinois Company, Tri-County Electric Co-op, Inc (IL), Egyptian Electric Co-op Association. Which one serves you depends on your street address.
How often does the power go out in Marissa?
In 2025, customers in St. Clair County averaged 6 hr 38 min without power. Outages hit 66 days of the year, and the worst day was 2025-03-15, when 18,062 customers (19.1%) were out. Source: ORNL EAGLE-I.