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Data centers · Minnehaha County, South Dakota

Minnehaha County

5 projects on record · 2 moratorium or ban actions

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Projects in Minnehaha County
Gemini Data Center (Sioux Falls Technology Park)Gemini Data Center SD LLC500ApprovedJan. 6, 202650 MW+
Midco Sioux Falls Data CenterMidco—OperatingJan. 12, 2026Under 50 MW
SDN Communications Data CenterSDN Communications—OperatingMarch 2022Under 50 MW
TierPoint Sioux Falls EastTierPoint—OperatingOct. 2026Under 50 MW
TierPoint Sioux Falls WestTierPoint—OperatingOct. 2026Under 50 MW

Moratoriums and bans

  1. Aug. 24, 2026 Minnehaha County: Regulations (in drafting, not adopted). County staff presented an initial draft data center ordinance to the planning commission; commissioners planned to revise it before a formal text-amendment hearing. Not yet adopted. (Dakota News Now, Aug. 25, 2026)
  2. Oct. 16, 2026 Sioux Falls: Regulations (in drafting, not adopted). The council formed a regulatory oversight committee to gather input and draft data center rules, with meetings set for Nov. 9 and Nov. 30, 2026, and Jan. 4, 2027; a citizen coalition has asked for a permitting pause, which the council has not adopted. (SDPB, Oct. 16, 2026; Dakota News Now, Oct. 5, 2026)

Updates, newest first

  1. Oct. 27, 2026 TierPoint Sioux Falls West · TierPoint's site describes the facility as having more than 25,000 sq ft, about 4,300 sq ft of raised floor and a 1 MW generator, linked to its Sioux Falls East and Omaha sites. (TierPoint, Oct. 27, 2026)
  2. Oct. 27, 2026 TierPoint Sioux Falls East · TierPoint's site describes about 16,000 sq ft, including some 4,200 sq ft of raised floor and 8,100 sq ft of recovery seating, backed by two 800 kW generators. (TierPoint, Oct. 27, 2026)
  3. Oct. 27, 2026 SDN Communications Data Center · Designer TSP describes a windowless, 12-inch concrete building serving as SDN's colocation hub and recovery site, fed by two substations. (TSP, Oct. 27, 2026)
  4. Oct. 27, 2026 Midco Sioux Falls Data Center · Midco's business site lists an 11,000 sq ft Tier III, SOC 2 colocation facility with over 9,000 sq ft of raised floor and 2N backup power. (Midco, Oct. 27, 2026; Midco, Oct. 27, 2026)
  5. Oct. 16, 2026 Sioux Falls: Regulations (in drafting, not adopted) · The council formed a regulatory oversight committee to gather input and draft data center rules, with meetings set for Nov. 9 and Nov. 30, 2026, and Jan. 4, 2027; a citizen coalition has asked for a permitting pause, which the council has not adopted. (SDPB, Oct. 16, 2026; Dakota News Now, Oct. 5, 2026)
  6. Oct. 5, 2026 Gemini Data Center (Sioux Falls Technology Park) · Citizen groups asked the city for a temporary pause on hyperscale data center building permits; city leaders signaled they favor rules over a moratorium. (SDPB, Oct. 5, 2026)
  7. Aug. 24, 2026 Minnehaha County: Regulations (in drafting, not adopted) · County staff presented an initial draft data center ordinance to the planning commission; commissioners planned to revise it before a formal text-amendment hearing. Not yet adopted. (Dakota News Now, Aug. 25, 2026)
  8. March 2, 2026 Gemini Data Center (Sioux Falls Technology Park) · Gemini launched a project website describing a master-planned campus to be built and run by a future end user. (KELOLAND, March 2, 2026)
  9. Feb. 4, 2026 Gemini Data Center (Sioux Falls Technology Park) · A House committee voted 9-3 against a 50-year data center sales-tax exemption on equipment and software. (South Dakota Searchlight, Feb. 4, 2026)
  10. Jan. 30, 2026 Gemini Data Center (Sioux Falls Technology Park) · A referendum petition on the rezoning fell short of the required signatures and was rejected by the city clerk. (SiouxFalls.Business, Jan. 30, 2026)
  11. Jan. 19, 2026 Gemini Data Center (Sioux Falls Technology Park) · Developer said it bought the land from Xcel Energy in late 2023 and had finished an interconnection study, with a facility study under way and no tenant yet. (SiouxFalls.Business, Jan. 19, 2026)
  12. Jan. 12, 2026 Midco Sioux Falls Data Center · Midco's president said the company has one internal and one colocation data center in Sioux Falls and no expansion plans. (KELOLAND, Jan. 12, 2026)
  13. Jan. 6, 2026 Gemini Data Center (Sioux Falls Technology Park) · City council voted 7-0 to rezone about 145.6 of the acres to light industrial and approved a preliminary plan, limiting city water to domestic use. (SDPB, Jan. 7, 2026; KELOLAND, Jan. 7, 2026; SiouxFalls.Business, Jan. 19, 2026)
  14. Aug. 8, 2025 Gemini Data Center (Sioux Falls Technology Park) · KELOLAND reported the city council had moved the land into its Tier 1 growth area in the 2040 plan, opening the way to industrial zoning; Brandon officials raised noise and growth concerns. (KELOLAND, Aug. 8, 2025)
  15. March 21, 2022 SDN Communications Data Center · SDN said all suites were leased and began adding a 25,000 sq ft pod, with room for more pods later. (SiouxFalls.Business, March 21, 2022; Dakota News Now, March 22, 2022; SDN Communications, Oct. 27, 2026)
  16. April 10, 2016 Midco Sioux Falls Data Center · Midco agreed to buy Dataware LLC, which ran data centers in Sioux Falls and Yankton. (Midco, April 10, 2016)

Statewide

SB 135 (2026), the 'Data Center Bill of Rights for Citizens': signed by Gov. Rhoden in March 2026 and effective July 1; for data centers with peak demand of 10 MW or more it requires utilities to set separate service terms so costs are not shifted to other customers, adds water-use notice and reporting rules, and bars the state from preempting local data center regulation (codified at SDCL 49-50). A ban on state tax incentives was stripped before passage. (KELOLAND News, March 24, 2026; LegiScan, March 30, 2026; South Dakota Legislative Research Council, June 2026) HB 1038 (2026): signed; lets the PUC bill the actual cost of reviewing an electric service contract for a data center of 10 MW or more (SDCL 49-34A-56.1). (KELOLAND News, March 24, 2026; South Dakota Legislative Research Council, June 2026) South Dakota has no data center sales tax exemption: 2025 SB 177 (sales tax refund on data center equipment) failed 17-18 in the Senate, and 2026 HB 1005 (50-year sales and use tax exemption) died 9-3 in House State Affairs on Feb. 4, 2026. (South Dakota Legislature, 2025; South Dakota Searchlight, June 16, 2025; SDPB, Feb. 4, 2026) SB 239 (2026), which would have opened a separate reinvestment payment (tax rebate) track for large projects such as data centers, died when a Senate motion to reconsider failed 16-17 on Feb. 24, 2026. (LegiScan, Feb. 24, 2026; South Dakota Searchlight, Feb. 18, 2026) HB 1301 (2026), a statewide moratorium on new data center construction through June 2027, was killed 10-2 in House State Affairs (Feb. 19, 2026). (SDPB, Feb. 19, 2026) HB 1198 (2026), requiring facilities using 20 MW or more within a mile of another city or county to get that jurisdiction's conditional use permit, failed 21-41 on the House floor (Feb. 12, 2026). (KELOLAND News, Feb. 13, 2026) HB 1246 (2026), barring confidentiality agreements between governments and data center developers, failed 30-37 on the House floor (Feb. 20, 2026). (FastDemocracy (legislative journal summary), Feb. 20, 2026; South Dakota Searchlight, Feb. 18, 2026) PUC docket EL24-027: Leola Data Center's request for Montana-Dakota Utilities service in FEM Electric territory under SDCL 49-34A-56; settlement approved in September 2026. (South Dakota Public Utilities Commission, Sept. 1, 2026; SDPB, Sept. 9, 2026) PUC docket EL26-008: Black Hills Energy's request (filed March 19, 2026) for approval of a blockchain interruptible electric service agreement with an unnamed customer; pending, amended contract filed Aug. 19, 2026. (South Dakota Public Utilities Commission, March 19, 2026) PUC docket EL26-021: Otter Tail Power petition (filed July 27, 2026) for a new rate class and schedule for very large customers. (South Dakota Public Utilities Commission, Oct. 27, 2026) South Dakota data centers →