When it comes to converting to renewable energy, the biggest success story in the islands is on Kaua‘i. Less than a decade ago, about five percent of the Garden Island’s energy came from renewable sources. Now it’s more than eight times that figure. But the island is also making progress on another important issue: how to make use of solar energy when the sun isn’t shining. HPR contributing reporter Scott Giarman has more from Kaua‘i.