How do Ameren Illinois Company DS-1 Residential Zone 2 tiered rates work?
DS-1 Residential Zone 2 from Ameren Illinois Company is a tiered plan: the price per kWh steps up as monthly usage rises. The first tier is about $0.14/kWh; usage above the baseline allowance is billed at higher tiers.
Highest rate
14¢/kWh
Lowest rate
11¢/kWh
Fixed charge
$11.17/mo
Usage tiers
| Tier | Up to | $/kWh |
|---|---|---|
| Tier 1 | 800 kWh | $0.14 |
| Tier 2 | no limit | $0.12 |
Frequently asked questions
How do Ameren Illinois Company DS-1 Residential Zone 2 tiered rates work? +
DS-1 Residential Zone 2 from Ameren Illinois Company is a tiered plan: the price per kWh steps up as monthly usage rises. The first tier is about $0.14/kWh; usage above the baseline allowance is billed at higher tiers.
Who offers DS-1 Residential Zone 2? +
DS-1 Residential Zone 2 is a residential electricity plan from Ameren Illinois Company (Ameren Illinois Company).
About this data
Compiled by Optiwatt from the OpenEI U.S. Utility Rate Database (66428f9d9d801e5401079bdd). Representative — verify exact prices on your Ameren Illinois Company bill or tariff sheet.
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Data last updated June 18, 2026. Compiled by Energy Advisor from published utility tariffs.