MiningStore Union Township Site (Hardin County)
Hardin County, IA
Plans have been filed for MiningStore Union Township Site (Hardin County), a data center in Hardin County, IA. The project is sized at 5 MW. Second of two ~5 MW MiningStore conditional-use-permitted crypto-mining sites in Hardin County, this one beside a Midland Power substation in Union Township. Permits granted Jan 24, 2025 with noise mitigation, surety bond and lease-renewal re-permitting conditions. (Source dated 2025-01-24.) [Reviewed 2026-10-09: verified] Hardin County Zoning Adjustment Board approved conditional use permit on January 24, 2025 for MiningStore's 5 MW crypto-mining site in Union Township beside Midland Power substation. Source: https://www.thegazette.com/energy/hardin-county-approves-two-crypto-mining-sites/.
- 5 MWPlanned capacity
Project status
- Announced
- Permitting
- Under constructionNot yet
- OperationalNot yet
Recorded changes
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Community sentiment
Should this project be built?
What’s next
Election Day is in 10 days.
Latest news
Nothing written about this data center yet.
Stories about it, and about Hardin County, IA, land here.
Records and documentation
Iowa state legislation
- QTS Cedar Rapids I Data Center Campus – Development Agreement (with Amended Agreement, Assignment of Obligations, and Recording Memoranda)City-developer development agreement (with amendments and assignment) governing TIF, infrastructure and obligations for the QTS Cedar Rapids I data center campus.Download
- HB897 - Sales/use tax exemption for data centers (clean energy)Delays effective date of retail sales/use tax exemption for data centers and adds clean energy requirements.Download
- SB4016 - Comprehensive hyperscale data center environmental/water/energy regulationEstablishes comprehensive environmental, water, and energy regulations for hyperscale data centers, including cumulative impact assessments and Water Impact Permits.Download
- Amendments to Chapter 107 of the Unified Development Code (Ordinance PA26-0001)Linn County, Iowa unified development code amendments regulating data centers, approved February 18, 2026.Download
- SSB3181 - A bill for an act making certain sales and use tax exemptions relating to nuclear electric generation facilities, web search portal businesses, and data center businesses contingent upon making contributions to institutions of higher education governed by the state board of regents.(See SF 2498.)Description comingDownload
- HF2447 - A bill for an act relating to water and energy use for data centers, including reporting and tariff requirements, and including effective date provisions.(See HF 2690.)Description comingDownload
- HF2690 - A bill for an act relating to water and energy use for data centers, including reporting and tariff requirements, and including effective date provisions.(Formerly HF 2447.)Description comingDownload
- HF2001 - A bill for an act relating to water efficiency of data centers, including requirements for water-efficient cooling technologies and encouragement for the use of nonpotable and recycled water sources, providing civil penalties, and including effective date and applicability provisions.Description comingDownload
- HF2198 - A bill for an act relating to the disclosure of tax incentives provided to web search portal businesses and data center businesses, and including effective date provisions.Description comingDownload
Site details
- Operator
- MiningStore
- County
- Hardin County, IA
- Capacity
- 5 MW
- Address
- Hardin County, IA
- Stage
- Planned
Size: not on file
Map
Photos
Aerial imageryUSGS The National Map · public domain
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