ComEd, the Illinois‑based regulated subsidiary of Exelon, introduced a new Delivery Time‑of‑Day (DTOD) rate program for residential customers on February 11, 2026. The program divides the day into four time blocks—morning (6 a.m.–1 p.m.), mid‑day peak (1 p.m.–7 p.m.), evening (7 p.m.–9 p.m.), and overnight (9 p.m.–6 a.m.)—and applies lower delivery charges during off‑peak periods while charging higher rates during peak times. ComEd estimates that participants will save roughly $2.31 per month, about 5% of the average delivery cost, and offers electric‑vehicle owners a $2 monthly credit per vehicle for up to 24 months, capped at two vehicles per household.
Enrollment is available through the ComEd customer portal and the ComEd mobile app. Residential customers can sign up by logging into their account, selecting the DTOD option, and confirming their participation. The program is open to all residential customers with a standard electric service; no additional equipment is required. ComEd has also provided a step‑by‑step guide and a customer support hotline to assist households in optimizing their usage patterns to maximize savings.
The DTOD program is designed to shift load away from the mid‑day peak, which historically accounts for the highest demand on the grid. Compared to the existing Hourly Pricing program, DTOD offers a simpler structure with fewer rate changes, reducing the risk of billing surprises for customers. For households with electric heat or electric‑vehicle charging, the overnight and evening blocks provide the greatest savings potential, while customers with primarily air‑conditioning loads benefit most from the morning block. By encouraging usage during lower‑cost periods, ComEd aims to reduce peak demand and improve grid reliability without the need for costly infrastructure upgrades.
ComEd plans to roll out a unified time‑of‑day rate that will combine delivery and supply charges later in 2026. The company has indicated that the transition will occur in the third quarter, pending regulatory approval. The new unified rate will further simplify billing and provide a more transparent cost structure for customers. The DTOD program aligns with the Illinois Climate and Equitable Jobs Act (CEJA), which encourages utilities to adopt demand‑side management programs that support clean‑energy adoption and equitable access to affordable electricity.
The introduction of the DTOD rate program reflects ComEd’s broader strategy to enhance affordability and reliability for its 4 million customers in northern Illinois. By incentivizing load shifting, the utility expects to lower operating costs and improve grid stability, which can support future rate‑base growth and regulatory approvals. The EV credit component also positions ComEd as a partner in the growing electric‑vehicle market, potentially increasing customer engagement and fostering a more resilient, low‑carbon grid.
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