Here's a list of electrical needs you may have or want, together with their amperage draw. The table can be printed out or written into your spreadsheet program and used to figure your total electrical needs
How to draw up a table of projected electric appliance loads for use in planning battery capacity, alternator size, solar power effects and other parameters of your electrical system. Sample tables for 12-volt and 115-volt loads..
Balancing energy demands and sources is critical. How to make an energy budget, with tips for keeping the loads down. 3 pages.