About Casey Horan

Casey Horan

Attorney, Electrification

Contact

San Francisco Office

Work

Areas of expertise:

Energy & Transportation

As an attorney with EDF, Casey plays a key role in litigation and regulatory proceedings to drive EDF’s energy transition initiatives. Casey advocates for federal, regional and state policies that promote climate action, equitable access to clean energy, grid modernization and environmental justice. 

Background

Prior to joining EDF, Casey served as an AmeriCorps member with the Hawaii Department of Land and Natural Resources, where she contributed to environmental conservation and climate change efforts. Before that, she worked as a conservation biologist with a focus on protecting rainforests and other biodiverse ecosystems. Her experiences in both policy and fieldwork have deepened her commitment to environmental justice and sustainable resource stewardship.

Education

J.D., Lewis & Clark Law School (Natural Resources and Environmental Law)

Trinity College Dublin, Master of Science (Biodiversity and Conservation)

University of North Carolina, Bachelor of Science (Ecology and Evolutionary Biology)

Publications

Horan, C., Zimmerman, M., Jermyn, C.,  Godo-Solo, D., 2025. "Let's Get Flexible: Considerations for Unlocking Grid Capacity Using Flexible Interconnection." Environmental Defense Fund, https://library.edf.org/AssetLink/q812pd5afr3hboi61cm503fprla5ge0p.pdf