I liked how the lighting looked in your first version. However, the light sources themselves weren't visible. Usually one sees the glare of the lights themselves, with the structural skeleton ghosting through (Well, that's how I describe it.) Pretty good effect overall of getting it to look like something lit with sodium vapor lamps. Now you need some variety of terrain around it, cyclone fences, and trees in the distance. Since the trees will be in the dark - it will probably work best to use 2D trees (silhoettes should work ok even.) Then add that patchy fog that's usually visible in the wee hours of the morning for atmosphere. It's funny but as far as I know, most people regard industrial structures as ugly. But I guess I'm not the only one who thinks function biased forms actually look cool (why else would people model them?) I'm considering modeling a powerplant at night with steam and all, but I think it'll be rendering hell on my laptop (400Mhz AMD K6II) to get the atmospherics and lighting right.

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Barbequed Pixels?

Your friendly neighborhood Wings3D nut.
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There might be something worth downloading.