Long‑lasting transformers and short‑lifecycle IT are not a natural pairing. Utilities run process installations designed to last for decades, while the control software ages far faster. Deferring replacement isn’t an option, because operations must stay online with up‑to‑date security. So how do you resolve this? How can you procure operational technology (OT) – the technology that runs the power grid – today with confidence it will still run reliably by 2035? Alliander found a way.Dutch energy infrastructure was built to last for decades, with assets such as power transformers a