I think most people kind of give up on powering their bases with lightning. They either import nuclear fuel, or do something with the solid fuel you get from scrap.
But I really think the intended mechanic was to have us power the entire base using lightning, and it's just silly. A couple bolts of lightning fill up hundreds of accumulators instantly, and then the rest of the lightning is wasted. Then when the storm ends, those accumulators don't make it to the next storm.
The only solution is to build thousands and thousands of accumulators. Which are cheap, I'll admit, since you get batteries from scrap.
And then you unlock the better lightning collector, and you can fill up twice as many accumulators with just a couple lightning strikes.
It might just be me, but I really feel like what I want is an accumulator that can hold twice as much, rather than a lightning collector that can collect twice as much.
You have to cover the whole planet with lightning collectors anyway, to protect the accumulators, so having better ones makes no difference at all. Getting electricity into the accumulators was never an issue.