High energy users look into switching your plan to Time of Use through Edison, my Electric bill went down $200 per month average, There is a calculator online to see if it works for you, if you use over 700kw a month it will be less. You can also tune your system to use more energy at night when energy costs the least on Time of Use. JD Ellis look into a heat exchange gas water heater to heat your outdoor systems, make a trip over to Steve Garrett's to see his system, heats your tank at 1/8th the cost of electric for large garage systems.