Try KCP&L's Home Energy Analyzer to view and manage your home energy profile.
Heating and cooling account for 45% of the average household energy costs.
Water Heater: 11%
Refrigerator: 6%
Dishwasher: 2%
Clothes Washer & Dryer: 10%
Computer & Monitor: 2%
TV, VCR, DVD: 2%
Lighting: 7%
Other (stoves, ovens, microwaves, small appliances): 15%
Source:EnergyStar.gov