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Estimate Your System Benefit Charge

To estimate your SBC, you need to know your Building Type and its corresponding Enclosed Area. You can receive this information by contacting the customer service center at 301-952-7635.

You will have to provide the customer service representative with your 7-digit account number. Your account number can be found on your County Tax Bill.

The table below shows different examples of representative SBC's.

Building Type Generator Category Unit Charge ($/100 ft2/yr) Enclosed Area (ft2) Annual Charge ($/yr)
Warehouse (distribution) Low




44,000 $2,107.60
Motel Low




32,000 $1,532.80
Garage (service) Medium




6,000 $718.80
Day Care Center Medium




5,500 $658.90
Restaurant High




5,200 $872.04
Convenience Store High




2,000 $335.40
Use the following formula or calculate below: SBC = SBC Rate x Enclosed Area
100 ft2

Calculate your estimated System Benefit Charge


Building Types Reflected in Drop Down List Above
Low ($4.79) Medium ($11.98) High ($16.77)
Armory Bank (branch) Auto Dealership
Auditorium Beauty/Barber Shop  
Bank (main office) Club House Automobile Show Room
Bank (mini office) Dairy Sales Automotive Center
Bowling Alley Day Care Center Convenience Store
Branch Post Office Dental Clinic Food Booth
Center Unit Department Store House
Church Discount Store Mall (covered)
City Club Dispensary Mall (enclosed)
Classroom Garage (service) Mall (open)
Cold Storage Industrial (heavy manufacturing) Market
Computer Center Industrial (manufacturing) Mixed Retail/Residential
Condo Garage Laundromat Other (High)
Condo Townhouse Loft Restaurant
Condominium Medical Office Building Restaurant (fast food)
Convalescent Hospital Mini-Lube Retail Store
Country Club Other (Medium) Service Station
Discount Warehouse Shell (community shopping center) Special Use
Dormitory Shell (neighborhood shopping center) Tavern
End Unit Shell (regional shopping center)  
Finish (neighborhood shopping center) Shopping Center (community)  
Finish (regional shopping center) Shopping Center (neighborhood)  
Fire Station (staffed) Shopping Center (regional)  
Fire Station (volunteer) Surgical Center  
Fraternal Building Theater  
Garage (storage)    
Government Building    
Group Home Care    
Handball/Racquetball Club    
Health Club    
High School    
Home for Elderly    
Hospital (general)    
Indoor Tennis Club    
Industrial (research/engineering)    
Industrial Flex    
Interior Industrial Office Space    
Laboratory Building    
Manual Arts Building    
Mega Warehouse    
Mobile Home    
Multiple Residence    
Multipurpose School Building    
Office Building    
Other (Low)    
Passenger Terminal    
Post Office Main    
Restroom Building    
Shell (light industrial)    
Shower Building    
Skating Rink    
Split Foyer    
Split Level    
Standard Unit    
Storage Hangar    
Veterinary Hospital    
Warehouse (distribution)    
Warehouse (storage)    
Warehouse (transit)