Southern Maryland Electric Cooperative (SMECO) owns and operates this EV charging station at the Charlotte Hall Library in St. Mary’s County, MD. It has a single DC fast charger rated at 50 kW. See all the pertinent details below.

Charger Construction Cost

$106,688.75 Total site construction cost per the Maryland PSC PC44 EV Pilot Program

Category Amount
Equipment $81,064.13
Contractor $5,000.00
Network $7,138.00
Utility $13,486.62
Total $106,688.75

Electricity Cost vs Revenue

$1,393.17 Surplus (Since Inception)

Metric Amount
Energy Used 31,070 kWh
Revenue $9,028.82
Electricity Cost $7,635.65
Surplus $1,393.17
Note: This calculation only reflects the difference between electricity costs and revenue as of June 30, 2024. Other operating expenses, such as maintenance and repair costs, are not included.

Trend Graph: Monthly Electricity Dispensed in kWh

Charlotte Hall Library EV charging monthly usage trend in kWh
Charlotte Hall Library EV charging monthly usage trend in kWh

Site Information

Location
Address: 37600 New Market Rd., Charlotte Hall, MD 20622
County: St. Mary’s
Facility Type: Library
Coordinates: 38.4732855, -76.7764742
Directions: At SE corner of library parking lot.
Map Link: OpenStreetMap

Technical
Connector Type: CCS and CHAdeMO
DCFC: 50 kW x1
Uptime Jul-Dec 2023: 99.6%
Uptime Jan-Jun 2024: 80.7% (Hardware Failure)

Access
Network: Shell Recharge
Availability: Public
Hours: 24 hours daily
Pricing: $0.32/kWh +6% MD sales tax

Amenities
Restroom: Inside library (limited hours)
Food: None
WiFi: Library

Signage
Signs: NO PARKING EXCEPT WHILE CHARGING
Marking: Green and white EV symbol and ELECTRIC VEHICLE CHARGING ONLY pavement marking
Enforceable: Yes, signage conforms to Maryland law.

History
Open Date: 11-24-2021
Public Funding: $106,688.75 plus operating costs from SMECO ratepayers
Notes: Library facilities have limited hours.

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