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All stationsMarylandFrederick
MD-270835

Annex Garage

140 W Patrick St, Frederick, MD, 21701
Own this location? This page was built from public charging data. Claim it free to add photos, set hours and pricing, and respond to drivers.Claim this location
no photos uploaded
🌐Imported from open data
🅿️Parking garage
📅Open since 2015
🚚Fits Light-duty (cars, SUVs)
Max power
7.2 kW
AC Level 2
Ports
2
ports
Hours
24/7
Open 24 hours
Pricing
Free
Free

Stations & ports

1 station · 2 ports
Annex Garage · L2 J1772
Non-Networked
AC L2 · 7.2 kW
1AJ1772· 7.2 kW· 240V/30A
1BJ1772· 7.2 kW· 240V/30A

Estimated charging time

Level 2 (AC) · 7.2 kW
~8 h 6 min

For a typical EV (75 kWh battery) charging from 10% to 80%. Real-world times vary with vehicle, temperature, and station load. Estimate for your EV →

140 W Patrick St · Frederick, MD · 21701

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Frequently asked questions

Where is Annex Garage located?
Annex Garage is located at 140 W Patrick St, Frederick, MD.
What kind of charging does Annex Garage offer?
Annex Garage offers Level 2 (AC) charging, with stations rated up to 7.2 kW. There is 1 charging station and 2 total ports at this location.
How long does it take to charge an EV at Annex Garage?
A typical EV with a 75 kWh battery charging from 10% to 80% takes about 8 h 6 min on 7.2 kW Level 2 (AC) charging at Annex Garage. Actual times vary with vehicle, temperature, and station load.
How much does it cost to charge at Annex Garage?
Free
What are Annex Garage's charging hours?
Open 24 hours
What charging network operates Annex Garage?
Annex Garage is part of the Non-Networked network. See more Non-Networked charging across MD on SpotCharge.
Can anyone use the chargers at Annex Garage?
Yes — Annex Garage is a publicly accessible charging location.
Is the Annex Garage listing owner-managed?
Not yet. This page was generated from open charging data (NREL) and is refreshed by SpotCharge's weekly sync. If you own or operate this location, you can claim the listing for free and manage it directly.

Area electrification status

Maryland · 2024
Plug-in vehicles
132K
#14 in US
Battery-electric
95K
72% of fleet
EVs per public port
24.4
5,397 ports listed

As of 2024, Maryland had 131,500 plug-in vehicles registered — 94,900 fully battery-electric (72%) and 36,600 plug-in hybrid (28%). That ranks Maryland #14 nationally and represents about 2.2% of all US plug-in registrations.

Across 5,397 publicly-listed ports in Maryland (3,619 Level 2 and 1,774 DC fast), that works out to roughly 24.4 EVs per public port and 53.5 BEVs per DC fast port.

Maryland's public charging is keeping pace with adoption — but registrations keep climbing. Listing your stations here helps drivers discover charging close to where they already shop, dine, and stay.

Source: AFDC (data from Experian Information Solutions) · See full Maryland market data →

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Royal Farms - Tesla Supercharger

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DC FastTesla
1 station · 12 ports50 kW

Fort Detrick

Frederick, MD

Level 2Non-Networked
1 station · 16 ports7.2 kW
Details
Hours
Open 24 hours
Pricing
Free
Phone
301-600-2843
Network
Non-Networked
Access
Public access

Data from NREL

Source data

Every field returned by the public data sources for this location, including empty values. For developers, AI agents, and curious drivers.

NREL Alternative Fuels Data Center74 fields▾

From U.S. DOE AFDC · Public domain

id69737
zip21701
cityFrederick
plus4—
stateMD
ng_psi—
cng_psi—
countryUS
latitude39.414063
bd_blends—
longitude-77.413739
open_date2015-09-01
rd_blends—
ev_networkNon-Networked
ev_pricingFree
updated_at2026-03-04T21:00:09Z
access_codepublic
cng_has_rng—
lng_has_rng—
lpg_primary—
status_codeE
bd_blends_fr—
hy_is_retail—
hy_pressures—
hy_standards—
rd_blends_fr—
station_nameAnnex Garage
ev_other_evse—
ev_pricing_fr—
expected_date—
facility_typePARKING_GARAGE
nps_unit_name—
station_phone301-600-2843
cards_accepted—
ev_dc_fast_num—
ev_network_web—
fuel_type_codeELEC
geocode_status200-9
hy_status_link—
street_address140 W Patrick St
funding_sources—
owner_type_codeP
access_days_time8am-5pm daily
e85_blender_pump—
lpg_nozzle_types—
ng_vehicle_class—
related_stations—
cng_dispenser_num—
cng_total_storage—
cng_vehicle_class—
ev_charging_units
[
  {
    "network": "Non-Networked",
    "connectors": {
      "J1772": {
        "power_kw": null,
        "port_count": 1
      },
      "J3271": {
        "power_kw": null,
        "port_count": 0
      },
      "TESLA": {
        "power_kw": null,
        "port_count": 0
      },
      "CHADEMO": {
        "power_kw": null,
        "port_count": 0
      },
      "NEMA515": {
        "power_kw": null,
        "port_count": 0
      },
      "NEMA520": {
        "power_kw": null,
        "port_count": 0
      },
      "NEMA1450": {
        "power_kw": null,
        "port_count": 0
      },
      "J1772COMBO": {
        "power_kw": null,
        "port_count": 0
      }
    },
    "port_count": 1,
    "charging_level": "2",
    "funding_sources": []
  },
  {
    "network": "Non-Networked",
    "connectors": {
      "J1772": {
        "power_kw": null,
        "port_count": 1
      },
      "J3271": {
        "power_kw": null,
        "port_count": 0
      },
      "TESLA": {
        "power_kw": null,
        "port_count": 0
      },
      "CHADEMO": {
        "power_kw": null,
        "port_count": 0
      },
      "NEMA515": {
        "power_kw": null,
        "port_count": 0
      },
      "NEMA520": {
        "power_kw": null,
        "port_count": 0
      },
      "NEMA1450": {
        "power_kw": null,
        "port_count": 0
      },
      "J1772COMBO": {
        "power_kw": null,
        "port_count": 0
      }
    },
    "port_count": 1,
    "charging_level": "2",
    "funding_sources": []
  }
]
lng_vehicle_class—
ng_fill_type_code—
restricted_accessNo
access_detail_code—
cng_fill_type_code—
ev_connector_typesJ1772
ev_level1_evse_num—
ev_level2_evse_num2
access_days_time_fr—
date_last_confirmed2024-11-06
ev_renewable_source—
cng_renewable_source—
lng_renewable_source—
cng_total_compression—
ev_workplace_chargingNo
maximum_vehicle_classLD
rd_max_biodiesel_level—
groups_with_access_codePublic
intersection_directions—
e85_other_ethanol_blends—
rd_blended_with_biodiesel—
groups_with_access_code_frPublic
intersection_directions_fr—
SpotCharge · Owner-listed EV charging