Biden's recent climate action blitz also included measures to accelerate domestic production of battery technology, as well as jumpstarting historic investments in clean transmission infrastructure and large-scale renewables like offshore wind.

Regan brings to the role a focus on the environmental justice side of climate change, spending eight years with the Environmental Justice Fund as VP for clean energy and the Southeast regional director.

Beyond simpler changes like rejoining the Paris Climate Agreement, other changes to federal energy policy and expenditure will be more complicated. With that in mind, bipartisanship was a common refrain during the panel.