Stalled

Spartan Data Centers Riverbank Industrial Complex (Aemetis)

Spartan Data Centers Riverbank Industrial Complex (Aemetis), a data center project in Riverbank, CA associated with Spartan Data Centers / Aemetis, has stalled. The facility is reported at 60 MW. Spartan Data Centers, working with Aemetis, has floated a roughly 60 MW data center at the Riverbank Industrial Complex (the former Army ammunition plant) on Claus Road on the southeast edge of Riverbank. No formal application has been filed; the Riverbank City Council enacted a data center moratorium on Sept. 8, 2026 while the company defends its plan. (Source dated 2026-09-23.).

60 MWPlanned capacity

Aerial imagery: USGS The National Map (public domain)

Project status

Announced
Stalled

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What’s next

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Latest news

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Records and documentation

California state legislation

CPUC Resolution E-5420 - PG&E Service to STACK Infrastructure (San Jose)Approvaldocs.cpuc.ca.govApproved PG&E special facilities/service arrangement for a 90MW STACK Infrastructure data center in San Jose.Download
CPUC Resolution E-5439 - PG&E Service to Microsoft "SJC02" (San Jose)Approvaldocs.cpuc.ca.govApproved PG&E special facilities/service arrangement for a 90MW Microsoft data center campus in San Jose.Download
CPUC Application A.24-11-007 - PG&E Electric Rule 30 Revision (Large Transmission-Load Tariff)Approvalapps.cpuc.ca.govPG&E-filed revision to Electric Rule 30 creating tariff terms for large transmission-voltage loads (data centers), including minimum-take and collateral provisions.Download
SB 886 - Data center electricity rates: separate rate classLegislationdatacenterbans.comCreates a separate electricity rate class for data centers.Download
SB6231 - Removes data center equipment replacement tax exemptionLegislationdatacenterbans.comRemoves the tax exemption for replacement of data center equipment.Download
SB 2406 - Data center nondisclosure agreement penaltiesLegislationdatacenterbans.comEstablishes penalties for data center nondisclosure agreements.Download
SB960 - Data center electric cost allocation studyLegislationdatacenterbans.comDirects the SCC to determine whether non-data-center customers subsidize data centers.Download
HB05076 - AI data center energy/water efficiency requirementsLegislationdatacenterbans.comConcerns energy and water efficiency requirements for AI data centers.Download
SB 887Legislationfas.orgCalifornia bill removing CEQA categorical exemptions as applied to data center projects.Download
S08540 - Accountability of Costs for Data Centers ActLegislationdatacenterbans.comEstablishes independent classification of service for large energy-use facilities to allocate data center costs.Download
HB1246 - Prohibits nondisclosure of data center agreementsLegislationdatacenterbans.comProhibits nondisclosure of certain agreements related to data centers.Download
SB 1168 - Data centers: rate structuresLegislationdatacenterbans.comEstablishes rate structures applicable to data centers.Download
CPUC Rulemaking R.26-04-009 - Advanced Rate Design (Large Load / Data Center Cost Allocation)Documentapps.cpuc.ca.govStatewide rulemaking opened 2026, driven by SB 57, addressing cost allocation and rate design for large-load customers including data centers.Download
CPUC Advice Letter 7785-E / Draft Resolution E-5455 - PG&E Service to Google (San Jose, 250MW)Documentdocs.cpuc.ca.govPending as of Sep 2026 -- PG&E advice letter for a 250MW Google data center in San Jose, protested by the Public Advocates Office over ratepayer cost allocation.Download
AB2469 - Data centers: water use disclosures.Legislationlegiscan.comEnacted Sep 21, 2026Description comingDownload
AB1095 - Data centers: waste heat energy.Legislationlegiscan.comIn committee Feb 2, 2026Description comingDownload
AB93 - Water resources: data centers.Legislationlegiscan.comConsideration of Governor's veto… Jan 22, 2026Description comingDownload
SB57 - Electrical corporations: data centers: report.Legislationlegiscan.comEnacted Oct 11, 2025Description comingDownload
AB2619 - Water resources: data centers.Legislationlegiscan.comEnrolled and presented to the Governor… Sep 4, 2026Description comingDownload
SB978 - Data centers: labor: electricity rates.Legislationlegiscan.comIn committee May 14, 2026Description comingDownload
AB1577 - Data centers: reporting.Legislationlegiscan.comEnacted Sep 21, 2026Description comingDownload
AB2383 - Electricity: data centers.Legislationlegiscan.comEnrolled and presented to the Governor… Sep 15, 2026Description comingDownload
AB222 - Data centers: power usage effectiveness: cost shifts.Legislationlegiscan.comIn committee Aug 29, 2025Description comingDownload

Site details

Operator: Spartan Data Centers / Aemetis
County: Stanislaus County, CA
Capacity: 60 MW
Address: Riverbank, CA
Stage: Stalled

Size: not on file

Map

Photos

Aerial imageryUSGS The National Map · public domain
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