--- title: "Southaven: what it means · The AI Compute Race · DRYBURGH" source: https://dryburgh.com/vol1/glossary/southaven description: "Southaven: The city in Mississippi, across the state line from Memphis, where the mobile turbines that power Colossus 2 run on the grounds of a retired Duke…" --- # Southaven What does “Southaven” mean? SouthavenThe city in Mississippi, across the state line from Memphis, where the mobile turbines that power Colossus 2 run on the grounds of a retired Duke Energy plant, and where a permanent plant of forty-one turbines is permitted. *Chapter 9.* From *The AI Compute Race*. [Read the book](https://dryburgh.com/vol1#buy) Defined in [Chapter 9 — The Price of Permission](https://dryburgh.com/vol1/notes/chapter-9). ## Where the book uses it - [Chapter 9 — The Price of Permission](https://dryburgh.com/vol1/notes/chapter-9)Who gets to say yes or no to a campus: counties, air regulators, courts and legislatures, and what their permits, abatements and refusals cost in time and money. ## Where the record uses it - Dated test [Chapter 12, Southaven’s calendar, due 27 August 2026](https://dryburgh.com/vol1/tests#2026-1) - Dated test [Chapter 12, Southaven’s calendar, due 28 September 2026](https://dryburgh.com/vol1/tests#2026-3) - Dated test [Chapter 12, Southaven’s calendar, due 31 December 2026](https://dryburgh.com/vol1/tests#2026-6) - Dated test [Chapter 12, Southaven’s calendar, due 31 December 2026](https://dryburgh.com/vol1/tests#2026-7) - Dated test [Chapter 12, Southaven’s calendar, due 14 July 2027](https://dryburgh.com/vol1/tests#2027-2) - Person [Pearson, Justin J](https://dryburgh.com/vol1/people#pearson-justin-j) - Person [Samsa, Shannon](https://dryburgh.com/vol1/people#samsa-shannon) - Person [Tipton, Robert, Jr](https://dryburgh.com/vol1/people#tipton-robert-jr) ## Sources that use it - SpaceXAI, job posting on Greenhouse, accessed 4 September 2026: “Electrical Commissioning Technician,” Southaven, Mississippi / Memphis, Tennessee. [In the Sources](https://dryburgh.com/vol1/sources/company#xai-careers-commissioning) - xAI (SpaceXAI), job posting on Greenhouse, accessed 4 September 2026: “Electrician, Construction (Colossus),” Memphis, Tennessee (“Install, terminate, and land new substation and campus electrical equipment, including breakers, transformers, switches, relays, buswork, control systems, and batteries” — as held in the capture of 29 August 2026, the posting being rewritten afterwards, so that by 19 September 2026 it described 480 V work based in Southaven and named no substation, relays or 161 kV; “medium-voltage switching and operations up to 161 kV in support of construction and first energization”; “frequent overtime and weekend support is required”). [In the Sources](https://dryburgh.com/vol1/sources/company#xai-careers-electrician) - City of Southaven, April 2026 business-starts report, MZX Tech entry dated 21 April 2026 (2400 Stateline Road West; 30 full-time employees). [In the Sources](https://dryburgh.com/vol1/sources/filing#southaven-business-starts) - City of Southaven, DeSoto County and taxing authorities, MZX Tech LLC ad valorem (fee-in-lieu) tax agreement, published 9 January 2026 (more than $10 billion; at least 20 jobs; one-third of ordinary tax on eligible property for up to ten years per item). [In the Sources](https://dryburgh.com/vol1/sources/filing#southaven-fil-agreement) - City of Southaven, Mississippi, Minutes of the Mayor and Board of Aldermen, regular meeting of 18 August 2026, Part 1 (the mayor’s report on the land swap, page 15 of the minutes; Mayor Darren Musselwhite “stated that the City of Southaven has entered a contract with MZX Tech, LLC, an affiliate of SpacexAI, to relocate our former Police/Fire training center on Tulane Road to property on Swinnea Road just south of Stateline Road”; “This land swap deal will transfer ownership of the City’s 51-acre site in exchange for 69 acres of new land surrounding an existing 20-acre parcel of City property and $40 million to construct new facilities.”; the contract itself is not published; the minutes are a scan with no text layer, read from the page image) [In the Sources](https://dryburgh.com/vol1/sources/filing#southaven-boma-aug26) And 26 more: [search the Sources](https://dryburgh.com/vol1/sources). ## Related terms - [Colossus](https://dryburgh.com/vol1/glossary/colossus) - [Agreed order](https://dryburgh.com/vol1/glossary/agreed-order) - [Clean Air Act](https://dryburgh.com/vol1/glossary/clean-air-act) - [Conversion, prevention](https://dryburgh.com/vol1/glossary/conversion-prevention) - [Evidentiary hearing](https://dryburgh.com/vol1/glossary/evidentiary-hearing) - [Injunction](https://dryburgh.com/vol1/glossary/injunction) - [Mobile and temporary](https://dryburgh.com/vol1/glossary/mobile-and-temporary) - [NAACP](https://dryburgh.com/vol1/glossary/naacp) - [Nitrogen oxides](https://dryburgh.com/vol1/glossary/nitrogen-oxides) - [Stateline](https://dryburgh.com/vol1/glossary/stateline) - [Catalytic controls](https://dryburgh.com/vol1/glossary/catalytic-controls) - [Consent](https://dryburgh.com/vol1/glossary/consent) From the glossary of The AI Compute Race. - [Campuses](https://dryburgh.com/vol1/ledger) - [Tests](https://dryburgh.com/vol1/tests) - [Scorecard](https://dryburgh.com/vol1/scorecard) - [Data](https://dryburgh.com/vol1/data/releases) - [Chapter by chapter](https://dryburgh.com/vol1/companion) - [The record at a glance](https://dryburgh.com/vol1/observatory) - [The machine](https://dryburgh.com/vol1/machine) - [One campus, four futures](https://dryburgh.com/vol1/hyperion) - [Glossary](https://dryburgh.com/vol1/glossary) - [People](https://dryburgh.com/vol1/people) - [Sources](https://dryburgh.com/vol1/sources) - [Notes](https://dryburgh.com/vol1/notes) - [Where the book was wrong](https://dryburgh.com/vol1/corrections) - [Where its sources were wrong](https://dryburgh.com/corrections?book=vol1) - [The Paper](https://dryburgh.com/vol1/paper) - [Consent](https://dryburgh.com/vol1/consent) - [Who builds and pays](https://dryburgh.com/vol1/parties) *The AI Compute Race: Five Races, One Machine* is a book by Lee S. Dryburgh, the first volume of THE COMPUTE ECONOMY, published by Dryburgh, an imprint of Contestra OÜ, Tallinn, Estonia; its record closes on 8 November 2026. [About the book](https://dryburgh.com/vol1)[Tell me when it is out](https://dryburgh.com/vol1#notify)