People on the Move: PJM, TVA and Westinghouse Mark Leadership Shifts

Why It Matters

These appointments position the organizations to address mounting grid reliability pressures, accelerate nuclear fleet expansion, and execute strategic growth plans in a rapidly evolving energy market.

Key Takeaways

• David Mills becomes PJM’s permanent CEO amid record capacity auctions
• TVA appoints veteran Mike Skaggs as interim CEO to steer nuclear modernization
• Westinghouse confirms Dan Sumner as CEO, backing $80 B AP1000 reactor partnership
• AEP names Maryam Brown COO of Indiana Michigan Power, eyeing growth
• PSO hires Bryan Walsh to lead generation transformation for 4,400 MW fleet

Pulse Analysis

PJM’s leadership change arrives at a critical juncture for the 13‑state regional transmission organization. Mills, who previously chaired the board, inherits a grid strained by soaring demand and a backlog that forced the interconnection queue to shut down in 2022. By reopening the queue with more than 800 projects, PJM signals confidence in its market design, but reliable execution will hinge on strategic coordination with state regulators and member utilities—areas where Mills has emphasized his "north star" of reliability.

At the Tennessee Valley Authority, the appointment of Mike Skaggs as interim CEO underscores the federal utility’s focus on nuclear as a cornerstone of its clean‑energy strategy. Skaggs’ hands‑on experience with Watts Bar Unit 2 and Browns Ferry’s steam‑generator replacements equips him to navigate the complex regulatory and financing landscape of new reactor construction. His tenure also follows a politically charged salary cap controversy, highlighting the delicate balance between public oversight and the need for seasoned leadership to drive the nation’s second‑largest transmission grid toward modernization.

Westinghouse’s confirmation of Dan Sumner as permanent CEO dovetails with an $80 billion partnership with the U.S. government to deploy AP1000 reactors, positioning the company at the forefront of the nuclear renaissance. Sumner’s financial stewardship during a period of repositioning will be pivotal as the firm scales services for both existing plants and new builds. Together with parallel executive moves at AEP and PSO, the industry’s talent shuffle reflects a broader trend: utilities are consolidating expertise to accelerate growth, integrate renewable resources, and secure long‑term generation assets amid an accelerating energy transition.