Hawaii homeowners are rushing to get solar panels installed on their rooftops before a federal tax credit expires at the end of the year.

Due to the passage in July of H.R.1, the “big, beautiful bill,” the 30% federal tax credit for residential solar PV panels and batteries ends Dec. 31 instead of the end of 2032.

Solar companies are swamped with customers hoping to beat that deadline. Some are even backlogged, and some, such as Revolusun, said they are so booked they have to turn away customers this month.

“A lot of times it’s folks that have been looking at it and were not ready to pull the trigger and make the decision,” said Rock Mould, executive director of the Hawaii Solar Energy Association. “This is the catalyst for pulling that trigger.”

The bump in demand started as early as

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