When we’re talking about energy or energy infrastructure, we’re usually talking about either a) moving energy around, b) changing the form it takes, or c) storing it while we wait to do A or B.

Solar energy has fluctuated from zero to a peak of 46GW, but the variation is even more dramatic as a % of total energy production: from zero to more than 50% of the total .

How to deal with this huge fluctuation in production? What will happen if that fluctuation increases even more, following plans for additional wind and solar parks?

There are a

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