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I'm going to assume that you don't have upwards of $25k available to begin investing in photovoltaic solar panels and wind turbines, along with a massive battery bank to store all your free energy in. Instead, I'll take a simple, low cost, back to basics approach to off-the-grid lighting in this post. I'm only going to deal with non-electric, simple solar, and battery operated alternatives. I'm also going to cover day-lighting otherwise dark interior spaces, and lighting at night.
