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Field notes

What the metersare telling us.

Short, sourced notes on energy, servers and the figures behind them. Every number links to where it came from.

Cover: hourly emissions, January to March of the sample year

Energy · 2 min read · 26 October 2026

Why a generator hour costs 2.4 to 4.5 times a grid hour

Diesel ran for about 5% of the sample site’s hours but made up 10–17% of its energy bill. Here’s the arithmetic, with the prices you can swap for your own.

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