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Another option for seasonal variation is to overbuild. Build enough solar for winter and just discard or figure out something to do with the excess power supply

Another option for seasonal variation is to overbuild. Build enough solar for winter and just discard or figure out something to do with the excess power supply in summer. (I'm not sure that would be cheaper, it's just another possibility.)

pfdietz 7y ago
That's curtailment. A twist on that is to install some of the solar at an angle appropriate for winter instead of summer.