In general, solar panels can be stacked for transport as long as they are properly packaged. You will want them stacked with the “sun-side” up and have layers of foam or cardboard between each layer. Nothing else should be stacked on top of the panel and the stack itself should not. . Would heavy duty bubble wrap and being stacked in a corner of a garage be appropriate? Stacking the panels on top of each other should be fine, but I would not suggest stacking all off them on top of each other as the bottom one will have to bear tremendous weight and might warp it. Try and place. . To effectively stack solar panels on the ground, one must consider several critical factors, including 1. Optimal angle for sunlight exposure, 4. Space optimization involves arranging the panels to maximize solar energy. . Solar cells are constrained by something called the radiative efficiency limit, also known as the Shockley-Queisser limit.