If your existing service panel is old, then it may be delivering insufficient or inefficient power. It may be overloaded with the demands of modern electrical appliances and computers. If your circuits have been tripping, it may be time to look into replacing it to meet your electrical demands. Check your panel to see if it looks burnt, melted, discolored, rusted or broken, then it is time for a replacement. Replacing your old panel could save you money on future electrical bills and extend the life of your electronics.