Matt Matern talks with Garrett Nilsen, Deputy Director of the US Department of Energy's Solar Energy Technologies Office, about the future of solar energy. Garrett discusses ambitious goals for solar deployment, efforts to boost domestic manufacturing, and new technologies like cadmium telluride and perovskites.  They explore integrating solar with the grid, advanced storage solutions, and agrivoltaics. Garrett advocates for immediate solar investment and emphasizes the Department of Energy's role in driving innovation and reducing costs for a sustainable energy future.