{"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":[{"label":"LDFA land sale / Brooks Industrial Park (reported MLive)","value":"MLive reported (Dec 19 2025) that Marshall's Local Development Finance Authority unanimously approved a purchase agreement selling about 270 acres in Brooks Industrial Park to Ontario-based Alterra Development for $1.12 million, with 112 buildable acres for a proposed technology park. The agreement included a $50,000 deposit and a 180-day due diligence period with paid extension options ([MLive, Dec 19 2025](https://www.mlive.com/news/jackson/2025/12/marshall-approves-112m-land-sale-for-data-center-gas-plant-project.html))","sourceUrl":"https://www.mlive.com/news/jackson/2025/12/marshall-approves-112m-land-sale-for-data-center-gas-plant-project.html"},{"label":"1 GW generation / 1.5 GW park concept (reported MLive)","value":"Per the same MLive coverage of Alterra's LDFA presentation, the project aim was a fully permitted shovel-ready site with a validated design for 1 GW of onsite power generation and a 1.5 GW technology park, privately funded, with a stated minimum investment of $10-$15 billion. Treat those GW and investment figures as developer presentation claims reported by MLive, not as permitted or energized capacity ([MLive, Dec 19 2025](https://www.mlive.com/news/jackson/2025/12/marshall-approves-112m-land-sale-for-data-center-gas-plant-project.html))","sourceUrl":"https://www.mlive.com/news/jackson/2025/12/marshall-approves-112m-land-sale-for-data-center-gas-plant-project.html"},{"label":"365-day data-center moratorium (reported WWMT)","value":"WWMT reported (Aug 10 2026) that Marshall City Council approved a 365-day moratorium delaying approval of data centers inside city limits, citing uncertainty about electricity, water use, and heat discharge, with the pause framed as lasting until at least August 2027. The same report quotes Mayor Scott Wolfersberger saying Alterra decided not to build the gas plant and cut project energy use by about 60%, describing the revised concept as more enterprise-class than hyperscale. Frame as local-press reporting of council and mayor statements ([WWMT, Aug 10 2026](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))","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"}],"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"},{"url":"https://www.mlive.com/news/jackson/2025/12/marshall-approves-112m-land-sale-for-data-center-gas-plant-project.html","date":"2025-12-19","title":"Marshall approves $1.12M land sale for data center, gas plant project","publisher":"MLive"}],"reviewNote":null,"createdAt":"2026-08-17T20:24:18.603Z","updatedAt":"2026-09-29T08:46:44.696Z","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"}}}