Residential Fixed-Price Supply + Delivery Benchmark
Service area: ComEd electric service territory in northern Illinois
Rate version: Effective January 2026 billing period · verified 2026-09-29
Monthly customer, metering and low-income recovery charges are excluded from marginal energy calculations.
| Season | Period | Hours | Rate |
|---|---|---|---|
| Summer | Fixed-price marginal benchmark | All hours | 14.8200¢/kWh |
| Non-summer | Fixed-price marginal benchmark | All hours | 14.5620¢/kWh |
Modeling boundary
Benchmark includes ComEd fixed-price supply, transmission, single-family non-space-heating distribution and published per-kWh statewide riders from the January 2026 residential line-item summary. Purchased Electricity Adjustment, municipal franchise costs, taxes and monthly fixed charges are excluded because they vary by bill or location.
Official sources
EV charging cost examples on ComEd
Vehicle-specific pages below apply Residential Fixed-Price Supply + Delivery Benchmark to each EV’s verified charging-efficiency profile and compare it with the Illinois statewide average.
How ComEd differs from the Illinois average
Eligibility / billing boundary: Benchmark includes ComEd fixed-price supply, transmission, single-family non-space-heating distribution and published per-kWh statewide riders from the January 2026 residential line-item summary. Purchased Electricity Adjustment, municipal franchise costs, taxes and monthly fixed charges are excluded because they vary by bill or location.
The state average is a benchmark, not a substitute for this tariff. A low or high encoded period is a marginal energy price and should not be interpreted as a complete monthly bill unless the page explicitly says whole-bill modeling is supported.
Official source: ComEd 2026 residential line-item summary and ICC rate book.
Can this utility estimate a full monthly bill?
Calculator-safe for supported marginal/period calculations, but not a complete monthly bill reproduction.
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