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Benchmarking cybersecurity investments in the EU electricity sector

Transformers are seen on May 9, 2025 in Courcelles, Belgium. Elia plays a crucial societal role by transmitting electricity from generators to distribution systems, which in turn deliver it to consumers.
Photo: Thierry Monasse/Getty Images

By promoting a consistent and data-driven approach to investment evaluation, ACER’s Guide will enable regulators and industry stakeholders to work collaboratively.

The European Union’s electricity sector faces an increasingly complex and sophisticated landscape of cyber threats. As digitalization intensifies and cross-border electricity flows become more interconnected, robust cybersecurity investments are paramount.

In response to this critical need, the Agency for the Cooperation of Energy Regulators (ACER) has recently issued a guide

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