Plain-English framing of the South Dakota context. South Dakota tried in February-March 2026 to pass a statewide data-center moratorium and failed; the legislature instead passed SB 135, which authorized counties and municipalities to regulate or ban data centers locally. So local moratoriums in South Dakota since March 2026 sit on a stronger statutory foundation than equivalent moratoriums in states like Texas (where the Hood County moratorium was rescinded last week after a developer lawsuit). What the Yankton resolution does. Three distinctive provisions: (1) A 250 kW capacity threshold — much lower than the 75 MW threshold ERCOT uses or the 100 MW threshold most state-level rules use. 250 kW is roughly the size of a few servers; the broad threshold is designed to catch any 'service establishment' that might claim it isn't a hyperscale facility. (2) A 12-month duration, the standard 'study moratorium' window. (3) Explicit coverage of both data centers and cryptocurrency / bitcoin mining facilities — the bundled prohibition pattern we noted yesterday in Nassau County FL. Why Commissioner Heine drafted this. The article references an organization attempting to enter Yankton County 'under the guise of a service establishment similar to hotels and repair shops.' The 'service establishment' framing is Yankton County's existing zoning category for commercial uses like hotels — a small data-center developer who categorized the project that way could potentially avoid more restrictive zoning review. The 250 kW threshold is designed to close that loophole. The article does not name the alleged developer. Vote outcome. The commission meeting was scheduled for 6 PM June 15 at the Yankton County Government Center. The outcome has not been reported as of this morning. Whether passed or deferred, Yankton extends the moratorium tracker into South Dakota and adds a fifth state-level pattern (SD now joins TX, MN, FL, CA, AZ, VA, GA, KY, MD as states with active local-level moratorium activity).
Primary source · Yankton Daily Press & Dakotan / Buffalo's Fire / South Dakota Searchlight / Yankton County Commission agenda ↗
Why it matters
Three regulatory-graph updates: (1) Yankton's 250 kW threshold is the lowest threshold seen in any moratorium tracked to date — Cliff's moratorium-tracker schema needs an explicit 'threshold' field because the operational impact is very different depending on whether the threshold catches everything (250 kW) vs. only hyperscale (75 MW). (2) The 'service establishment / hotel / repair shop' framing is a useful new data point on how developers are trying to enter restrictive jurisdictions — i.e. by re-categorizing the project under broad existing zoning. Cliff's site-readiness diligence in restrictive states should explicitly check 'what zoning category is the project being permitted under?' because that is exactly the trick local opponents are now trying to close. (3) SB 135 makes South Dakota the cleanest example of a state explicitly authorizing local moratoriums — Cliff's per-state legal-authority page should track which states have done this (SD = yes; OK partially; CA via General Plan amendment power; etc.) because the moratorium durability follows from the state-level authorization, not from the local ordinance text alone.
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