You can get a snapshot of your energy usage with a plug-in kW meter to check each of your electric appliances. Running fewer high energy appliances simultaneously will lessen the peakload.
If you have solar panels, put them to optimal use when its sunny.
A heat pump or a solar collector connected to your hot water tank converts summer heat into hot water.
A mason stove provides heat for cooking, warmth and hot water (for showering).
