Delmarva Power is a subsidiary of Illinois-based Exelon Corporation. Delmarva Power provides electric service throughout the Upper and Lower Eastern Shore of Maryland, and in Delaware. Delmarva Power serves 208,000 Maryland electric customers. Delmarva Power’s last rate case was in 2022 and was a multi-year rate case. The Public Service Commission order in the case was issued on Dec 14, 2022. You can access the order and the case here.

Why is my Delmarva Power bill so high?

If you’ve had sticker shock from your recent Delmarva Power bill, you’re not alone. Most Delmarva Power customers are seeing substantial increases in their monthly bills. Click here to read an explainer on why bills are going up.

Current rates

Electric bills include two primary categories of charges: distribution charges and supply charges. These categories of charges and additional charges are explained here. The distribution rate covers most of the average customer’s distribution costs. For the average Delmarva Power customer in 2024, the volumetric rate makes up 87 percent of distribution costs.

Note: The distribution rates referenced below are base rates which may vary from what you see on your bill because of additional adjustments, such as adjustments made for weather and changes in usage.

(The graph above is as of October 2024.)

Watch a previously recorded webinar on how to read your Delmarva Power bill.