As Oneok Drew Regulatory Line for Gas,So Does EPSA for Electricity

Quite recently in these pages, we discussed a then-new Supreme Court decision carefully parsing the respective boundaries of federal oversight compared to state regulation of the natural gas industry. ¹ 1 Sabino, M. A. (2016, January). Supreme Court clarifies federal versus state authority over natural gas. Natural Gas & Electricity, 32 (6), 1–7 (discussing Oneok, Inc. v. Learjet, Inc., 575 U.S. ____ 135 S. Ct. 1591 (2015).
But what about the electricity industry? Does not that segment of the energy sector deserve equal consideration from the Supreme Court on the crucial matter of who is authorized to regulate its operations?