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Model, estimate or measure? What matters in video energy use
Analyzing the difference between energy and power estimates from software models vs a hardware analyzer in video communications.
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David Mytton
Overestimating data center public health costs
Energy & carbon aren’t the only environmental impacts of computing, but are the public health impacts overstated?
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David Mytton
7
If only data centers would participate in demand response
Even for AI training workloads, data center demand response remains an academic exercise - intriguing but impractical.
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David Mytton
1
How useful is GPU manufacturer TDP for estimating AI workload energy?
Manufacturer provided Thermal Design Power (TDP) figures are often used to estimate energy consumption of GPU AI workloads, but how useful are they?
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David Mytton
Data center energy and AI in 2025
Global data center energy consumption was 240-340 TWh in 2022, but AI is now a major driver of future projections. An update on the 2024 US Data Center…
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David Mytton
1
Network energy use not directly proportional to data volume
It is commonly assumed that data volume and network energy consumption are directly proportional, a notion perpetuated by numerous studies and media…
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David Mytton
Expect more overestimates of AI energy consumption
We’ve started to see AI doomerism spread to predictions of the vast quantity of energy AI is undoubtably going to consume.
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David Mytton
1
Paper Notes - ICT sector electricity consumption and greenhouse gas emissions 2020
An updated look at the total electricity consumption and associated GHG emissions for the ICT sector in 2020. Paper notes on Malmodin et al. (2023).
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David Mytton
Overestimating AI's water footprint
Researchers need to be more careful about the inputs into their models. Overestimates undermine the goal of reducing the environmental impact of IT.
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David Mytton
2
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Environmental technology and sustainable computing.

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