On April 17, 2026, staff of the Federal Energy Regulatory Commission (FERC or Commission) released a draft revised Section 9.0 of its Security Program for Hydropower Guidance addressing cybersecurity for hydropower projects. FERC staff explains that the revisions are intended to modernize the existing guidance to reflect technological advancements, lessons learned from inspections and audits, and evolving practices for protecting cyber and control-system assets. Comments on the draft are due Monday, May 18, 2026.