If your jointer or planer knives get a nick or two, they may still have lots of life in them. Simply stagger the knives as needed. The good knives will clean up the raised lines left by the nicked knives. Before turning the power back on, make sure all blades spin freely.
Use small electric pans or toaster ovens for small meals rather than your large stove or oven. A toaster oven uses a third to half as much energy as a full-sized oven.