1. Most recent electricity bill - You will need one bill to begin, however, the end analysis and recommendations will be more accurate if you have copies of your bill for the past 12 months.
2. Most recent gas bill - You should use one bill to begin, however, the end analysis and recommendations will be more accurate if you have copies of your bill for the past 12 months. 
3. General information - number of employees, age of building, type of business
4. Building data - insulation quality, building size, number of windows
5. Heating, Ventilation, and Cooling Systems - type, age, temperature settings.
6. Water Heating - tanks sizes, ages, and types
7. Refrigeration - age, condition, size of refrigeration equipment
8. Lighting - type, size, wattage for indoor and outdoor
9. Cooking Equipment - type and age
10. Office Equipment- number, type of computers, terminals, copiers
11. Laundry Equipment - general questions about laundry equipment
12. Pools & Spas - size, type, heat sources
13. Elevators & Escalators - number and type
14. Seasonal loads - add in any type of equipment you may use on a seasonal basis (like irrigation, for example).
15. Other Major Loads - add in any type of other equipment you may use that uses gas or electricity and has not been covered in another section.