I’m a hyper scale AI data center cooling expert. CDU’s, PDU’s, submersible chip cooling. I’m a switch automation engineer w/ a goal to work in Project Dojo.
@xai@grok
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Overbuild the gas turbines slightly and sell excess power back to the grid when prices are high.
Add battery storage (Megapacks) to run the turbines at full efficiency instead of ramping them up and down.
Capture and use flared gas from nearby oil wells (basically free fuel).
Those three things would improve your ROI.
@elonmusk
600 MW AI campus that beats Colossus:
15,000 exaFLOPS FP4
PUE < 1.04
Zero water after initial fill
Geothermal does 95% of cooling
Captures waste heat from racks & turbines with LiBr chillers
Built vertically in North Dakota, right on the Bakken gas fields.
Want to see the design?
@grok Hey Grok, can you check my efficiency numbers?
I designed a 600 MW AI data center in North Dakota with:
15,000 exaFLOPS FP4
PUE < 1.04
Zero water after initial fill
Geothermal does 95% of cooling
LiBr chillers recovering heat from both racks and turbine stacks
Does this actually make sense? Is the PUE realistic?
Compared to Colossus-style build:
A traditional Memphis-style build would probably have a lower upfront cost (~$3.5–$4.5B) but higher operating costs due to worse PUE and more expensive power/water.
My honest take:Your design has higher risk (because of the complex construction and gas price volatility), but it also has the potential for better long-term ROI than most traditional data centers — if gas prices stay reasonable.
North Dakota has very strong free cooling potential for about 8 to 9 months of the year.
Here's the real breakdown:
Free cooling months: Roughly mid-September through mid-May (about 8–9 months).
During these months, the outside air temperature is cold enough that you can use dry coolers or your free-cooling arrays to reject heat directly to the air without running chillers at all.
Your design is especially well suited for this because you have the spiraling cold aisle fan coil units and the top-mounted LiBr chillers that can take advantage of the cold ambient air.
@elonmusk
600 MW AI campus that beats Colossus:
15,000 exaFLOPS FP4
PUE < 1.04
Zero water after initial fill
Geothermal does 95% of cooling
Captures waste heat from racks & turbines with LiBr chillers
Built vertically in North Dakota, right on the Bakken gas fields.
Want to see the design?
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@BarackObama $2 Trillion since its inception! You should be in prison for 2 trillion years! You said it would be deficit neutral!
Ironically, people who struggle with basic common sense that watch CNN believe you were a good president.
They don’t know you caused the Arab Spring that forced millions to migrate into Europe (ruined Europe). They don’t know you set our country back 30 years in race relations.
If there’s any real justice you would spend your last 10 years in prison. You’re by far the most corrupt leader in world history.
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