Featured in How low can they go? – 07-2018

AC, or DC: That is the question

Energy storage is here to stay, no doubt about that. We know where to put excess energy from a solar installation; but where in a system should the battery be placed? On the AC side, where the stored power is ready to flow into the grid at a moment’s notice, or on the DC side, where current from solar panels can flow directly into the battery?

By

John Fitzgerald Weaver

25 Jul 2018

Historically, solar power salespeople had to contend with the comment, ‘What happens when the sun goes down?’ In those darker times, the answer was a song and dance that ended with ‘batteries are expensive’. Today, they get to deliver a solid answer about semi-dispatchable solar power. This energy storage opportunity allows solar power to take …

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