Portable AC Electricity Calculator in Maryland
A portable ac in Maryland costs about $43.10 a month ($524.44 a year) to run at the state's average rate of 21.77 ¢/kWh. Use this calculator to compare light, typical, and heavy use.
Key metrics
| Metric | Value |
|---|---|
| Maryland average rate | 21.77 ¢/kWh |
| Assumed wattage | 1,100 W |
| Typical usage pattern | 6 hours/day |
| Typical monthly cost | $43.10 |
| Typical yearly cost | $524.44 |
Portable AC in Maryland vs U.S. benchmark
Calculator assumptions
This calculator uses a typical wattage range of 700-1,400 W, and we assume 1,100 watts for 6 hours/day. The formula is kWh = (watts × hours) / 1000.
At this profile, the appliance uses 198.0 kWh per month and 2409.0 kWh per year.
Appliance calculator scenarios
| Scenario | Hours/day | Annual energy | Maryland monthly | U.S. monthly | Maryland yearly |
|---|---|---|---|---|---|
| Light usage | 3 hours/day | 1204.5 kWh | $21.55 | $18.26 | $262.22 |
| Typical usage | 6 hours/day | 2409.0 kWh | $43.10 | $36.51 | $524.44 |
| Heavy usage | 9 hours/day | 3613.5 kWh | $64.66 | $54.77 | $786.66 |
Appliance cost reference page
Want the full write-up? The appliance page below uses the same rate and wattage assumptions:
More comparison links
Browse related comparisons from the energy comparison hub:
City electricity context for Maryland
City electricity pages add local rate context. They don't change the statewide math here.
- Baltimore electricity context - 22.21 ¢/kWh; est. monthly appliance profile cost $43.97
See your exact bill in Maryland
Set your own usage to match your home — fees included. Then compare the retail plans available in Maryland.
Know when Maryland rates change
Maryland rates move with each monthly EIA update. Get an email when 198 kWh in Maryland gets cheaper — or more expensive.
Other appliance calculators in Maryland
- Refrigerator calculator — Model refrigerator electricity cost in Maryland at 21.77 ¢/kWh.
- Space Heater calculator — Model space heater electricity cost in Maryland at 21.77 ¢/kWh.
- Window AC calculator — Model window ac electricity cost in Maryland at 21.77 ¢/kWh.
- Central AC calculator — Model central ac electricity cost in Maryland at 21.77 ¢/kWh.
- Clothes Dryer calculator — Model clothes dryer electricity cost in Maryland at 21.77 ¢/kWh.
- Washing Machine calculator — Model washing machine electricity cost in Maryland at 21.77 ¢/kWh.
- Dishwasher calculator — Model dishwasher electricity cost in Maryland at 21.77 ¢/kWh.
State cost and bill pathways for Maryland
- Average power price in Maryland — What a kWh of electricity costs in Maryland
- Maryland electricity rates — Core authority page with statewide pricing context
- Electricity cost in Maryland — State-level cost, affordability, and value overview
- Electricity cost in Baltimore, Maryland — City electricity page with methodology notes where city coverage is available
- Maryland monthly electricity bill estimate — What a typical monthly bill looks like
- Electric bill estimator scenarios in Maryland — Estimate your bill from your monthly usage
Historical and trend pages
- Historical electricity prices in Maryland — Historical context and trend interpretation
- Electricity inflation in Maryland — State electricity inflation analysis
- Maryland electricity price volatility — Volatility and rate movement profile
Fixed-usage and calculator pathways
- Electricity cost for 250 kWh in Maryland — Cost for this usage amount in the same state
- Electricity cost for 100 kWh in Maryland — Cost for this usage amount in the same state
- Electricity cost for 300 kWh in Maryland — Cost for this usage amount in the same state
- Custom usage calculator for Maryland — Custom kWh and scenario cost calculation
Appliance and estimator pathways
- Refrigerator cost in Maryland — Appliance operating-cost page for this state
- Refrigerator calculator in Maryland — Calculator page for adjusting wattage and usage for this appliance
- Space Heater cost in Maryland — Appliance operating-cost page for this state
- Space Heater calculator in Maryland — Calculator page for adjusting wattage and usage for this appliance
- Window Ac cost in Maryland — Appliance operating-cost page for this state
- Window Ac calculator in Maryland — Calculator page for adjusting wattage and usage for this appliance
State comparison pathways for Maryland
- Compare Maryland with other states — State-to-state comparison hub
- Maryland vs California electricity cost — Head-to-head comparison page
- Maryland vs Florida electricity cost — Head-to-head comparison page
Discovery and navigation hubs
- Maryland electricity hub — Guide to this state's electricity rate, usage, comparison, and tool pages
- Electricity cost scenario hub — Entry point for residential and industry scenario pages
- Maryland electricity cost overview — State-level electricity cost page with rates and typical bill context
- Maryland average electricity bill benchmark — Typical monthly bill estimate using a standard household usage assumption
- Maryland electricity bill estimator — Household profile bill scenarios for this state
- Electricity usage hubs — Browse cost pages by common household usage tiers
Consumer electricity drivers
- Price drivers in Maryland — Understand what influences state electricity prices
Source & Method
Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: May 2026. Estimates use the EIA all-in average residential rate — energy, delivery, fixed charges, and utility fees together, not just the electricity itself. Fees are inside the rate, not an extra on top; how your own bill splits fixed versus per-kWh charges varies by utility. For what's inside the all-in rate, see hidden electricity fees; for how rates and estimates are defined, see the methodology hub.