Defending the Power Grid in an Age of Digital Threats

Defending the Power Grid in an Age of Digital Threats

June 18, 2026 · 35 min

About this episode

The episode discusses the vulnerabilities of power grids in the face of digital threats and the implications for security investment.

As power grids become more digital and interconnected, they are also becoming more exposed. Utilities are facing a growing mix of physical and cyber threats, from attacks on substations to increasingly sophisticated efforts to infiltrate the systems used to monitor and operate the grid. Smart meters, distributed energy resources and connected devices are creating new vulnerabilities, while AI has the potential to both strengthen defenses and lower the barrier to more complex attacks. Yet security spending remains difficult to prioritize, forcing utilities and regulators to weigh uncertain risks against other pressing investment needs. So how should the power sector think about grid security, and what does resilience look like in an increasingly connected energy system? On today’s show, Tom Rowlands-Rees is joined by Hayley Lai, an analyst from BNEF’s grids team, to discuss findings from her note “Physical and Cyber Threats Reshape US Grid Investment.” Complementary BNEF research on the trends driving the transition to a lower-carbon economy can be found at BNEF<GO> on the Bloomberg Terminal or on bnef.com Links to research notes from this episode…

People in this episode

Host: Tom Rowlands-Rees

Guest: Hayley Lai

Topics covered

Keywords

Mentioned in this episode

Organizations: BNEF

Books & works: Physical and Cyber Threats Reshape US Grid Investment

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