Aaron Stemplewicz

Senior Attorney Clean Energy Program


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Kathryn McGrath
Public Affairs and Communications Strategist
(202) 516-6932

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Aaron Stemplewicz graduated from Temple Law School in 2011 and joined Earthjustice in May of 2019 as a senior attorney in the Clean Energy and Coal programs. His work focuses on breaking down barriers to clean energy in various federally regulated wholesale electricity markets. In his career, he has brought and argued cases before the D.C. Circuit Court of appeals, the Second Circuit Court of Appeals, the Third Circuit Court of Appeals, the D.C. Federal District Court, the Eastern District Court of Pennsylvania, and the Pennsylvania Environmental Hearing Board.

Aaron enjoys brewing his own beer, spending time at Lake Wallenpaupack, and running with his rescue “potcake” dog Gracie.

The Latest from Aaron Stemplewicz

October 10, 2023

Grid operator MISO’s outdated ban on renewables providing essential services threatens future reliability of the grid

FERC did not strike down the MISO prohibition on renewables providing ancillary services, but warned MISO to prepare for a future with more clean energy generation
April 20, 2021

Correcting the Power Imbalance: FERC’s Office of Public Participation

A change coming to FERC will help us break down barriers to the work that the agency does and its impact on the public.