Alterra Marshall Technology & Energy Center
Alterra Development has proposed a 1400 MW data center in Calhoun County, Michigan (proposed). 2 sources report this facility in the Kapwork Grow tracker.
- Capacity
- 1400 MW
- Site
- 270 acres
Who's on this build
Named in the cited sources. No source reports who builds it.
Operator
Alterra Development
Timeline
Dates as reported. Not a bid calendar. A planned date is not evidence that work occurred.
- Today
Proposed
Last material change Sep 24, 2026.
- 9 mo ago
Announced
- 9 mo ago
Event date: · First observed: Not reported
Record quality
- Datasets
- 2, figures differ
- Location
- Street address reported
- Summary
- From published records
- Source as of
- Last material change
Site and infrastructure
CA Compute AtlasSC Server CountryKW Kapwork Grow tracker record
Status
- Operator
- Alterra Development
- Stage
- Proposed
- Facility type
- Enterprise
Scale
- Reported capacity
- 1400 MW
- Capacity as the sources range
- 1400 to 1500 MW
- Site area
- 270 acres
Reported dates
- Announced
- 2025-12-18Reported date — see the source for the event evidenced.
Site
- City
- Marshall
- County
- Calhoun
- State
- Michigan
- Location precision
- Street address reported
- Community response
- Local opposition reported
Power and cooling
- Power source
- Mixed sources
- Cooling
- Closed loop
Sources, method and limits
Show 8 sourcesHide
What each source reports
| Dataset | Reported name | Reported status | Reported MW |
|---|---|---|---|
| Compute Atlas | Alterra Marshall Technology & Energy Center | Proposed | 1400 MW |
| Server Country | Alterra Marshall Technology Center | Suspended | 1500 MW |
Sources and evidence
- CACompute Atlas facility record (Kubiak, E., 2026, CC BY 4.0)As of: Sep 9, 2026 · Record: alterra-development-marshall-mi
- CAWWMT (cited by Compute Atlas)As of: Aug 8, 2026
- CAAd-Visor & Chronicle (Marshall Advisor) (cited by Compute Atlas)As of: Aug 8, 2026
- CAWWMT (cited by Compute Atlas)As of: Sep 9, 2026
- CAARC West Michigan (cited by Compute Atlas)As of: Aug 8, 2026
- CAWWMT Newschannel 3 (cited by Compute Atlas)As of: Sep 9, 2026
- CAWWMT Newschannel 3 (cited by Compute Atlas)As of: Sep 9, 2026
- SCServer Country project record (CC BY 4.0)As of: Sep 24, 2026 · Record: 0725
- KWKapwork Grow tracker record, merged from the sources listed here (free account)As of: Sep 23, 2026 · Record: 44154866721606
Limitations and interpretation
- This record is the Kapwork Grow tracker's merged view of a facility, from the tracker snapshot built 2026-09-23. Facts tagged KW are the tracker's resolved values; the per-source rows it was merged from are listed under Sources and on the tracker record.
- Sources on this record: Compute Atlas: Kubiak, E. (2026). Compute Atlas [Data set]. https://doi.org/10.5281/zenodo.22284476 (CC BY 4.0) · Server Country, https://servercountry.org/data/ (CC BY 4.0). Every source is licensed for commercial use with attribution.
- An announced or permitted build is not a contract, an open bid or a purchase order.
- Capacity figures are as reported by the cited sources and may describe planned rather than energised capacity.
Cite or correct this record
Kapwork Grow, “Alterra Marshall Technology & Energy Center”, https://kapwork.com/grow/directory/datacenters/alterra-marshall-technology-energy-center-mi-dc_28289b256346, materially updated Sep 24, 2026.
Report an error in this record and we will check it against the cited sources.
An announced or permitted build is not a contract, an open bid or a purchase order. Capacity and dates are as reported by the cited sources. “Not reported” means missing information, not zero. Completed and withdrawn records can remain available as historical records.
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