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ComEd Peak Hours: 1–7 PM Every Day (Delivery TOD)
On ComEd's optional Delivery Time-of-Day rate, the peak is 1 p.m. to 7 p.m. every day, and overnight (9 p.m. to 6 a.m.) is cheapest. ComEd's standard rate has no peak hours. At the widest gap (all year), power costs 10.71¢ per kWh in mid-day peak hours and 2.98¢ in overnight hours.
Checked by hand against ComEd Delivery Time-of-Day Pricing on . ComEd's page shows no effective date for these prices. Utilities change these rates, so check your bill or ComEd before you plan around them.
ComEd peak hours, hour by hour
Plan: Delivery Time-of-Day Pricing. Optional, launched in 2026; free to join or leave. ComEd's standard rate is a flat price at every hour.
Mid-day peakMorning / EveningOvernight
| Hour | Every day Every day |
|---|---|
| midnight–1 a.m. | Overnight |
| 1 a.m.–2 a.m. | Overnight |
| 2 a.m.–3 a.m. | Overnight |
| 3 a.m.–4 a.m. | Overnight |
| 4 a.m.–5 a.m. | Overnight |
| 5 a.m.–6 a.m. | Overnight |
| 6 a.m.–7 a.m. | Morning |
| 7 a.m.–8 a.m. | Morning |
| 8 a.m.–9 a.m. | Morning |
| 9 a.m.–10 a.m. | Morning |
| 10 a.m.–11 a.m. | Morning |
| 11 a.m.–noon | Morning |
| noon–1 p.m. | Morning |
| 1 p.m.–2 p.m. | Mid-day peak |
| 2 p.m.–3 p.m. | Mid-day peak |
| 3 p.m.–4 p.m. | Mid-day peak |
| 4 p.m.–5 p.m. | Mid-day peak |
| 5 p.m.–6 p.m. | Mid-day peak |
| 6 p.m.–7 p.m. | Mid-day peak |
| 7 p.m.–8 p.m. | Evening |
| 8 p.m.–9 p.m. | Evening |
| 9 p.m.–10 p.m. | Overnight |
| 10 p.m.–11 p.m. | Overnight |
| 11 p.m.–midnight | Overnight |
The same four periods apply 365 days a year.
ComEd time-of-use prices
| Period | Weekday hours | Weekends | Price per kWh |
|---|---|---|---|
| Mid-day peak | 1 p.m.–7 p.m. | 1 p.m.–7 p.m. | 10.71¢ |
| Morning | 6 a.m.–1 p.m. | 6 a.m.–1 p.m. | 4.01¢ |
| Evening | 7 p.m.–9 p.m. | 7 p.m.–9 p.m. | 3.75¢ |
| Overnight | 9 p.m.–6 a.m. | 9 p.m.–6 a.m. | 2.98¢ |
Delivery charge per kWh (distribution facilities charge) for a single-family home without electric heat, from the Citizens Utility Board's ComEd fact sheet; the standard delivery charge for these homes is 6.228¢. Your power supply price does not change.
Homes with electric heat pay less: 5.329¢ at mid-day peak and 1.550¢ overnight (single-family).
Electric vehicle owners on the rate get a $2 monthly credit per vehicle for up to 24 months (up to two vehicles).
ComEd has said it plans a combined time-of-day rate covering both delivery and supply; it was not yet listed when we checked.
What an hour of use costs: mid-day peak vs overnight
One hour of each appliance at ComEd's all year prices (10.71¢ vs 2.98¢ per kWh), using the typical wattage from our appliance usage pages.
| Appliance | kWh per hour | Mid-day peak | Overnight | You save |
|---|---|---|---|---|
| Central AC | 3.5 | $0.37 | $0.10 | $0.27 |
| Clothes Dryer | 3.0 | $0.32 | $0.09 | $0.23 |
| Dishwasher | 1.5 | $0.16 | $0.04 | $0.12 |
| Electric Vehicle Charger | 7.2 | $0.77 | $0.21 | $0.56 |
Other ComEd plans
- Hourly Pricing: Your power supply price changes every hour with the wholesale market.
- Standard rate: No peak hours; delivery about 5.9¢ per kWh in 2026, per ComEd.
How ComEd prices compare with the Illinois average
The average home in Illinois paid 19.32¢ per kWh in the latest month of EIA data, all charges included and averaged over every hour of the day. See Illinois's month-by-month price history.
EIA data for , updated · Source: U.S. Energy Information Administration
Commonwealth Edison (ComEd) rates and average bill · All Illinois utilities · Average electric bill in Illinois
Questions about ComEd peak hours
What are ComEd peak hours?
On ComEd's optional Delivery Time-of-Day rate, the peak is 1 p.m. to 7 p.m. every day, and overnight (9 p.m. to 6 a.m.) is cheapest. ComEd's standard rate has no peak hours.
Are weekends off-peak with ComEd?
No. On ComEd's Delivery Time-of-Day rate, the peak hours apply on weekends too. The same four periods apply 365 days a year.
What is the cheapest time to use electricity with ComEd?
The overnight hours: 9 p.m.–6 a.m. every day, at 2.98¢ per kWh, against 10.71¢ in the mid-day peak hours.
How much more does electricity cost during ComEd peak hours?
10.71¢ per kWh in peak hours, 3.6 times the overnight price of 2.98¢. Delivery charge per kWh (distribution facilities charge) for a single-family home without electric heat, from the Citizens Utility Board's ComEd fact sheet; the standard delivery charge for these homes is 6.228¢. Your power supply price does not change.
Sources
We read ComEd's own rate pages and tariffs on Nov 11, 2026 and copied the hours and prices by hand. These are the published prices for one plan, not a quote; your bill also depends on taxes, riders and how much you use. How we work.