Mike Dolt Enterprises Logo Mike Dolt Enterprises

Topic: Residential load calculation worksheet

User: Ravenvalor, Location: Piedmont region of NC

Asked on: Tuesday, March 29, 2011 at 6:01 pm EDT
Answered on: Tuesday, May 14, 2024 at 3:27 am EDT

Question: Hello Friends,Can someone recommend a good work sheet for a residential load calculation.I have a customer with a 1,100sq ft home that has gas heat, gas water heat, electric dryer, central a/c, washer, toaster, microwave, coffeepot, refrigerator, TV and computer. I am trying to determine whether or not she needs to upgrade her 100amp service.Thanks,

Residential Load Calculation WorksheetBasic Information House Size: 1,100 sq ft Number of Bedrooms: N/A Number of Bathrooms: N/A Heating System: Gas Water Heating System: Gas Dryer: Electric Air Conditioning: Central A/CAppliance List| Appliance | Load (Amps)

---|---
Washer | 6
Dryer | 10
Toaster | 2
Microwave | 1.5
Coffee Pot | 1
Refrigerator | 7
TV | 1
Computer | 1 |Total Connected Load Calculation| Load Source | Total Load (Amps)
---|---
Appliances | 28.5
Heating | N/A (gas) || Air Conditioning | N/A (central A/C) |Dermand Factor
100 amps or less: 0.8 101-200 amps: 0.7 201-400 amps: 0.6Total Demand Load Calculation Total Load (Amps) Demand Factor = Total Demand Load (Amps) 28.5 0.8 = 22.8Service Upgrade Determination Current Service Amperage

100


Total Demand Load

22.8

Conclusion

Based on the load calculation, the customer's total demand load is 22.8 amps, which is within the capacity of their current 100-amp service. Therefore, they do

not
need to upgrade their service. Flag for review

Previous Question Next Question