Horizon 2030 for Banking: The Audited Green Ledger – Sustainability, with Julio Guijarro
By Ali Paterson · 13 October 2026
In brief: Julio Guijarro, EMEA Field CTO at Red Hat, says any green agenda needs data on what is consuming energy and how that relates to IT usage. He notes that AI is very energy intensive, describes Kepler, a Red Hat technology that uses machine learning techniques to pinpoint how compute processes consume energy, and says exposing that data to users and developers changes their behaviour.
| Series | Horizon 2030 for Banking |
|---|---|
| Episode | The Audited Green Ledger: Sustainability |
| Speaker | Julio Guijarro, EMEA Field CTO, Red Hat |
| Topic | Energy data and green IT |
Quick Summary
In this episode of Horizon 2030 for Banking from Red Hat, Julio Guijarro, EMEA Field CTO, discusses sustainability in IT: why it depends on data about energy consumption, the Kepler project, and the effect of transparency on behaviour.
Why Does He Start With Data?
Julio notes that sustainability has been discussed for a long time. For any green agenda, he says, organisations need data to understand what is affecting and consuming energy, which he describes as becoming more precious than ever, and how that consumption relates to the way IT is used. He adds that AI, while a fantastic technology, makes very intense use of energy.
What Is Kepler?
He explains that Red Hat began work several years ago on technology, called Kepler, that uses AI and machine learning techniques to pinpoint how compute processes consume energy. Working with customers, he says the benefit goes beyond tracking cost:
- It helps organisations understand where energy is being over-used and optimise it.
- When consumption is exposed to users and developers, it changes their behaviour.
What Is His Conclusion?
Without data, he says, people cannot see how their work affects consumption and it is difficult to change. His answer is to start exposing where the energy goes across IT systems and processes. Once the impact is understood, he expects technical people to work on efficiency, but he stresses the change is not only technological: the behaviour of the people using the technology has to change as well.
Find Out More
Read Red Hat's e-book: Digital banking has only just begun
Watch every episode of Horizon 2030 for Banking from Red Hat on FF News, starting with the series trailer.
Frequently asked questions
Why does Julio Guijarro say sustainability needs data?
Because a green agenda requires understanding what is consuming energy and how that relates to IT usage; without data, the impact of IT work cannot be seen or changed.
What is Kepler?
A technology Red Hat began developing several years ago that uses machine learning techniques to pinpoint how compute processes consume energy.
How does exposing energy data affect behaviour?
He says that when consumption is exposed to users and developers, their behaviour changes, and that this behavioural change is as important as the technology.