What Does It Cost to Run a Window AC in Baltimore, Maryland?
This page estimates the energy-only cost to run a window ac in Baltimore using city-level rate assumptions from our methodology and the same appliance runtime assumptions as the statewide pages.
Key metrics
| Metric | Value |
|---|---|
| City estimate basis | City configured reference rate |
| Estimated city rate | 20.40 ¢/kWh |
| Assumed wattage | 900 W |
| Typical usage assumption | 8 hours/day |
| Estimated monthly city cost | $44.06 |
City vs state estimate for Window AC
City values on this page are reference estimates for context. They are not utility tariff quotes or exact bill predictions.
Methodology and disclosure
Appliance usage assumptions use the same state-level appliance model: 500-1,500 W and 8 hours/day. Estimated monthly usage is 216.0 kWh.
City configured reference rate when available; still an estimate for comparison context. City-level appliance pages are available for a limited set of city and appliance combinations and are intended for comparison context, not utility tariff quoting.
How these pages fit together
- State appliance cost page uses the statewide average residential rate.
- City electricity page focuses on city electricity cost context.
- Appliance calculator is best when you want to change hours or assumptions interactively.
Related pages
- State appliance cost page: Maryland — Primary appliance cost page using the statewide average rate
- City electricity page: Baltimore — City electricity page with methodology notes
- Window AC calculator in Maryland — Calculator for adjusting hours and assumptions
- Maryland electricity bill estimator — Household profile bill scenarios for this state
- Appliance comparison guide — More appliance and city comparison links
- Electricity cost comparison index — State-to-state electricity cost comparisons
Source & Method
Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: March 2026. Estimates are energy-only and exclude delivery charges, taxes, and fixed utility fees. For how rates and estimates are defined, see the methodology hub.