MINNEAPOLIS (AP) -- Officials in Minnesota's energy industry are trying to figure out how they will be impacted by the tax overhaul that President Donald Trump signed last week.

Local utilities have been using tax credits to improve the state's renewable energy resources. Energy officials say it's unclear whether the new law will continue to help fund such projects.

Gregg Mast is the executive director of Clean Energy Economy Minnesota, a nonprofit that represents clean energy businesses. He says the tax law creates uncertainty, which isn't good for business.

An increase in companies and individuals wanting clean power, and a decrease in technology costs, has spurred growth in wind and solar energy in the state. Growth is expected to continue next year.

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