{"id":"f6b83182-0a0d-448e-9e52-8aed60c10086","slug":"alterra-marshall-michigan","name":"Alterra Marshall Technology & Energy Center","aliases":["Marshall Technology Center","Marshall Technology Park"],"locationId":"ca5f5333-63f8-4e35-8a2e-8b75cd4acb82","lat":null,"lng":null,"locationPrecision":null,"landStatus":"greenfield","lifecycleState":"stalled","powerSourceMix":"mixed","interconnectionQueueStatus":"Frozen locally, and shrinking: Marshall has a moratorium that blocks approval of any data center until at least August 2027. The developer has since dropped the on-site gas plant that would have carried a gigawatt, cutting the projected power demand by about 60 percent.","interconnectionQueueId":null,"expectedEnergizationDate":null,"dedicatedSubstation":null,"gridOperator":null,"waterSourceNotes":"Closed-loop liquid cooling proposed to minimize water use; developer said it would not draw from Stuart Lake (reported, Dec 2025). No gpd figure sourced.","servingUtility":null,"acreage":270,"totalBuildingSqft":null,"streetAddress":null,"notes":"Contested Alterra Development proposal for a data center plus on-site gas plant on ~270 acres (112 buildable) in Brooks Industrial Park, a SEPARATE parcel from the Ford BlueOval/MAJOR megasite. Land bought from the Marshall LDFA for $1.12M on 2025-10-30, but a city data-center moratorium delays approval to ~Aug 2027 and EGLE wetland review is ongoing. No air permit for the ~1,000 MW gas turbine has been filed; final capacity, offtaker, and supplying utility are unconfirmed.","keyFacts":[],"reviewStatus":"reviewed","sources":[{"url":"https://wwmt.com/news/local/story/data-center-gas-generation-plant-proposed-in-marshall-alterra-development-calhoun-county-energy-electricity-water","date":"2025-12-15","title":"Data center, gas generation plant proposed in Marshall","publisher":"WWMT"},{"url":"https://wwmt.com/news/local/marshall-data-center-moratorium-delays-development-one-year-alterra-brooks-industrial-park-acres-wetland-lake-energy-environment-calhoun-county-west-michigan","date":"2026-01-15","title":"Marshall data center moratorium delays development by at least one year","publisher":"WWMT"},{"url":"https://wtvbam.com/2025/12/18/new-technology-park-planned-for-marshall/","date":"2025-12-18","title":"New Technology Park planned for Marshall","publisher":"WTVB"}],"reviewNote":null,"createdAt":"2026-08-17T20:24:18.603Z","updatedAt":"2026-08-28T18:02:10.150Z","location":{"id":"ca5f5333-63f8-4e35-8a2e-8b75cd4acb82","name":"Marshall","slug":"marshall-michigan","kind":"city","parentLocationId":"0a54c4e7-bc0e-4913-a6ae-ed3d29b01882","region":"Michigan","lat":42.2721367,"lng":-84.9642008,"reviewStatus":"reviewed","aliases":[],"collisionRisk":"high","reviewNote":null,"createdAt":"2026-08-17T20:24:18.222Z","updatedAt":"2026-08-21T03:20:12.226Z"},"parties":[{"id":"998b0964-05de-454f-9598-3eac52d5852a","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","companyId":null,"externalName":"Alterra Development","role":"developer","structureNotes":"Toronto-based; founder James Jarvis; bought Brooks Industrial Park land from Marshall LDFA.","createdAt":"2026-08-17T20:24:20.602Z","company":null},{"id":"00dfcc6d-ada2-4738-b50d-705b336a8ca5","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","companyId":null,"externalName":"City of Marshall Local Development Finance Authority","role":"land_owner","structureNotes":"Land seller; authorized sale of the 270-acre parcel Oct 30 2025.","createdAt":"2026-08-19T00:14:45.061Z","company":null}],"capacityClaims":[{"id":"6be304ad-2b32-4698-95c4-6210320b7e45","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","series":"announced","valueGw":1.4,"asOf":"2025-12-18T00:00:00.000Z","sourceUrl":"https://wwmt.com/news/local/story/data-center-gas-generation-plant-proposed-in-marshall-alterra-development-calhoun-county-energy-electricity-water","sourceType":"journalist_report","evidenceTier":"reported","supersedesId":null,"note":"Up to 1,400 MW at full buildout per developer statements in local press; not permitted.","createdAt":"2026-08-17T20:24:19.285Z"}],"financialClaims":[{"id":"6c20210b-e963-431d-ae41-4a96f58cf938","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","kind":"capex","label":"270-acre land purchase (Brooks Industrial Park)","valueUsd":"1120000","capUsd":null,"conditions":"LDFA-authorized sale of the 270-acre parcel; total project capex characterized only as 'billions' (no figure).","asOf":"2025-12-01T00:00:00.000Z","sourceUrl":"https://wwmt.com/news/local/story/data-center-gas-generation-plant-proposed-in-marshall-alterra-development-calhoun-county-energy-electricity-water","sourceType":"journalist_report","evidenceTier":"reported","createdAt":"2026-08-19T00:14:42.612Z"}],"metricClaims":[{"id":"2f390405-b867-4806-9cea-a6dc349ae013","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","metricType":"cooling_type","valueNumeric":null,"valueText":"Closed-loop liquid cooling (proposed)","unit":null,"grantingJurisdiction":null,"asOf":"2025-06-01T00:00:00.000Z","sourceUrl":"https://wwmt.com/news/local/story/data-center-gas-generation-plant-proposed-in-marshall-alterra-development-calhoun-county-energy-electricity-water","sourceType":"journalist_report","evidenceTier":"reported","supersedesId":null,"note":null,"createdAt":"2026-08-19T00:14:44.283Z"},{"id":"fd38deec-1077-4a4a-8811-6612fa0adb58","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","metricType":"jobs_permanent","valueNumeric":300,"valueText":"300 to 500 skilled jobs (Alterra estimate to LDFA; no construction/permanent split)","unit":null,"grantingJurisdiction":null,"asOf":"2025-06-01T00:00:00.000Z","sourceUrl":"https://wwmt.com/news/local/story/data-center-gas-generation-plant-proposed-in-marshall-alterra-development-calhoun-county-energy-electricity-water","sourceType":"journalist_report","evidenceTier":"reported","supersedesId":null,"note":null,"createdAt":"2026-08-19T00:14:43.890Z"}],"powerProjects":[{"id":"46174e20-8a4d-4f72-8d90-4e2fcaa9b34c","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","name":"Grid import (peak)","type":"grid_interconnect","capacityGw":0.4,"lifecycleState":"announced","sourceUrl":"https://wwmt.com/news/local/story/data-center-gas-generation-plant-proposed-in-marshall-alterra-development-calhoun-county-energy-electricity-water","evidenceTier":"reported","note":"Up to ~400 MW grid import at peak; MISO region, supplying utility unconfirmed.","createdAt":"2026-08-17T20:24:20.191Z"},{"id":"ee7c30d1-54d3-4756-a8d1-954e4f99f593","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","name":"On-site natural gas turbine plant","type":"gas","capacityGw":1,"lifecycleState":"announced","sourceUrl":"https://wwmt.com/news/local/story/data-center-gas-generation-plant-proposed-in-marshall-alterra-development-calhoun-county-energy-electricity-water","evidenceTier":"reported","note":"~1,000 MW behind-the-meter gas; air permit not yet filed.","createdAt":"2026-08-17T20:24:19.816Z"},{"id":"10611f65-a6c5-4ec0-9157-59944d50e673","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","name":"Marshall Technology & Energy Center on-site gas plant","type":"gas","capacityGw":1,"lifecycleState":"cancelled","sourceUrl":"https://wwmt.com/news/local/marshall-data-center-moratorium-delays-development-one-year-alterra-brooks-industrial-park-acres-wetland-lake-energy-environment-calhoun-county-west-michigan","evidenceTier":"reported","note":"~1,000 MW on-site natural-gas turbines originally proposed; Alterra later reportedly decided not to build the gas plant (mayor's statement, Aug 2026), cutting project energy use ~60%.","createdAt":"2026-08-19T00:14:43.465Z"}],"facilities":[],"incidents":[],"events":[{"id":"ff3a6795-b06d-49d2-9a17-2d4311a186db","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","eventType":"party_added","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"land_owner: City of Marshall Local Development Finance Authority","occurredAt":"2026-08-19T00:14:45.450Z","createdAt":"2026-08-19T00:14:45.450Z"},{"id":"2c3524c9-8f74-47bc-814f-bbecfa52e27c","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","eventType":"financial_recorded","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"capex: 270-acre land purchase (Brooks Industrial Park)","occurredAt":"2026-08-19T00:14:43.000Z","createdAt":"2026-08-19T00:14:43.000Z"},{"id":"31e293ed-1973-41a1-b5df-ab73a42a019e","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","eventType":"party_added","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"developer: Alterra Development","occurredAt":"2026-08-17T20:24:20.973Z","createdAt":"2026-08-17T20:24:20.973Z"},{"id":"65ed2824-c4c4-44b2-a826-949c63690563","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","eventType":"capacity_changed","series":"announced","oldValue":null,"newValue":"1.4","claimId":"6be304ad-2b32-4698-95c4-6210320b7e45","detail":null,"occurredAt":"2026-08-17T20:24:19.589Z","createdAt":"2026-08-17T20:24:19.589Z"},{"id":"e3dabd69-fcb4-4371-92dd-097872561e57","dataCenterId":"f6b83182-0a0d-448e-9e52-8aed60c10086","eventType":"claim_recorded","series":"announced","oldValue":null,"newValue":"1.4","claimId":"6be304ad-2b32-4698-95c4-6210320b7e45","detail":"reported · journalist_report","occurredAt":"2026-08-17T20:24:19.437Z","createdAt":"2026-08-17T20:24:19.437Z"}],"capacity_picture":{"announced_gw":1.4,"contracted_gw":null,"under_construction_gw":null,"energized_gw":null,"announced_minus_energized_gw":1.4,"by_series":{"announced":{"valueGw":1.4,"asOf":"2025-12-18T00:00:00.000Z","evidenceTier":"reported","sourceUrl":"https://wwmt.com/news/local/story/data-center-gas-generation-plant-proposed-in-marshall-alterra-development-calhoun-county-energy-electricity-water"},"contracted":null,"under_construction":null,"energized":null}},"jsonLd":{"@context":"https://schema.org","@type":"Place","name":"Alterra Marshall Technology & Energy Center","url":"https://registry.deploy.report/datacenters/alterra-marshall-michigan","address":{"@type":"PostalAddress","addressLocality":"Marshall"}}}