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Podcast
Columbia Energy Exchange

The Path Forward for Residential Solar

Guest

Mary Powell

CEO of Sunrun

The Biden Administration recently released a blueprint for how the U.S. could get nearly half of its electricity from the sun by 2050 called, “The Solar Futures Study.” But reaching that 50% will require an expansive, multi-sector investment of money and resources toward the clean electricity source that meets only about 4% of the nation’s power demand now.

Host Bill Loveless dug into the hows of deploying solar widely and effectively with Mary Powell, the recently-appointed CEO of Sunrun, a leading residential solar company in the U.S. 

Mary previously headed up the Vermont-based electric utility, Green Mountain Power. 

While there, Mary was known for being a disruptor in the utility space in her embrace of clean energy reforms. 

Bill and Mary spoke about the tricky nature of the residential solar market, how solar is figuring into congressional legislation and how electric utilities can work with the clean energy transition instead of fighting it.

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Regulatory Progress for Project-Based Carbon Credit Markets: Pre-COP30 Roundtable Summary

On November 6, 2025, in the lead-up to the annual UN Conference of the Parties (COP30), the Center on Global Energy Policy (CGEP) at Columbia University SIPA convened a roundtable on project-based carbon credit markets (PCCMs) in São Paulo, Brazil—a country that both hosted this year’s COP and is well-positioned to shape the next phase of global carbon markets by leveraging its experience in nature-based solutions.

Summaries by Gautam Jain, Preetha Jenarthan, Victoria Prado + 3 more • December 04, 2025
Regulatory Progress for Project-Based Carbon Credit Markets: Pre-COP30 Roundtable Summary
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