Kate Zerrenner

Manager, Energy-Water Initatives

Areas of expertise: Energy efficiency, climate change, energy-water nexus


Kate Zerrenner leads EDF’s Texas and national energy-water nexus efforts, as well as develops and implements strategies to promote energy and water efficiency in Texas. While breaking down financial, regulatory, and behavioral barriers, Kate works to advance clean energy options that reduce climate change impacts, water intensity, and air pollution.

Kate’s expertise includes a sound understanding of technologies and policies affecting traditional energy generation, energy efficiency business models, and the energy-water nexus. She collaborates with key stakeholders and legislative sponsors on passage of clean energy and energy-water legislation, including drafting legislative language and providing oral and written testimony.

Kate also participates in the Energy Efficiency Implementation Project at the PUC of Texas, submitting written comments and providing input to rulemaking and utility efficiency program design. She serves on the City of Austin Integrated Water Resource Planning Community Task Force and the Advisory Board of the Smart Cities Council.

Throughout the year, she can be found speaking at major conferences in Texas and across the country, such as SXSW Eco, Clear Air through Energy Efficiency, and the National Council for Science and the Environment.


Prior to joining EDF, Kate worked at the U.S. Government Accountability Office analyzing U.S. action on climate change and the voluntary carbon offset market; SAIC, on climate change projects for the U.S. Department of Energy and the U.S. Environmental Protection Agency; and U.S. Department of Energy on the Energy Policy Act of 2005. She has also worked for the Texas Sunset Advisory Commission and the U.S. Commission on National Security/21st Century (Hart-Rudman Commission) at the U.S. Department of Defense.


Kate holds a Master’s degree in International Energy and Environmental Policy and Economics from the Johns Hopkins University’s School of Advanced International Studies, a Master’s in Comparative Politics from the University of Glasgow in Scotland, and a Bachelor’s degree from the University of Texas.

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    Kate Zerrenner


Austin, Texas office

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Media Contact

Catherine Ittner
(512) 691-3458 (office)
(713) 416-7000 (cell)
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