Giant Lightening Grabber

Here is a great idea if a bit bonkers. Lightening is one of the most powerful sources of free energy on the planet. But, it is so powerful it is impractical to harness. So, I suggest a collection grid as follows. In an area that is known for frequent thunder storms we select a plot about a mile square, which is dozed flat. A layer of styrofoam insulation is laid out that has an aluminum surface on the side up. Then another layer and another layer of the thin foam backed with aluminum foil. The foam is impregnated with a special electrolyte material. After say ten or twenty layers are laid out over the square mile, leads are connected to the layers....alternating layers are positive and negative layers (We will have built a monstrous electrcial capacitor that stores huge quanities of electricity)...the (+) leads come out to gigantic lightening rods...towers that collect the lightening during storms...the other leads (-) are attached to the power grid. Power is taken from the capacitor as needed...and our capacitor is recharged by the occassional storms that pass overhead. Of course...I have not worked out all the details for an apparatus this size....but, it works in smaller models.