DS-1 Residential Zone 2

Ameren Illinois Company · Time-of-use + tiered · filed 2026

$0.1903per kWh, all in

$2,284a year at 1,000 kWh/mo

$14.01fixed, before any usage

$0.1176utility's actual average

What this tariff charges

Fixed charge	$14.01 per month
Structure	Time-of-use + tiered
Filed	2026-01-01

Energy rates

The charged price is the base rate plus its adjustment. Adjustments carry fuel and rider costs and are frequently most of the bill, so a comparison built on the base rate alone is meaningless.

Period 0

Tier	Up to	Base	Adjustment	Charged $/kWh
1	800.0 kWh	0.04572	0.12268	0.16840
2	no limit	0.02427	0.12268	0.14695

Period 1

Tier	Up to	Base	Adjustment	Charged $/kWh
1	no limit	0.07811	0.12268	0.20079

What it costs at different usage levels

kWh per month	Annual total	Effective $/kWh
500	$1,243.28	$0.2072
1000	$2,284.12	$0.1903
2000	$4,262.85	$0.1776

Effective rate includes the fixed charge, which is why it falls as usage rises. This is a time-of-use tariff, so the result also depends on when power is used; an average residential pattern is assumed. Details →

Ameren Illinois Company offers a cheaper tariff at this usage. DS-1 Residential Zone 1 comes to $2,280.04 a year against this one's $2,284.12 — a difference of $4. Eligibility rules may apply; check with the utility.

Rooftop solar on this tariff

A 7 kW system costing $21,000 before incentives would save between $878 and $1,611 a year on this tariff, paying back in 13–24 years . No federal tax credit is included: Section 25D ended on December 31, 2025.

no sell rate filed, but this utility reports residential net metering - the range spans no export credit to full retail netting. Compare across this state →

URDB rate id 69cad030a035e584860dc1a8 · utility source document · all Ameren Illinois Company tariffs