California Data Center Moratorium Tracker
California has 13 state-level data-center restrictions in force and 1 active pause. 48 city and county measures are tracked here, 31 of them in force. Every entry below links to its primary source: a legislature page, a governor's office, a local government, or the reporting of record.
California
CA
In force
17
State-level measures on record, 14 in force
48
City and county measures, 31 in force
64
Primary sources cited on this page
#6
of 50 states with anything on record, by measure count
State-level measures in California
Every statewide moratorium, pause, siting restriction, or tax-incentive rollback in California we can verify against a primary source. Strongest status first.
| Measure | Status | What it does | Source |
|---|---|---|---|
| SB 57California SB 57 directs the CPUC to assess whether investor-owned utility costs from new data center loads result in cost shifts to other retail customers. | In force 2025-10 | California SB 57 directs the CPUC to assess whether investor-owned utility costs from new data center loads result in cost shifts to other retail customers. Report is due to the Legislature by January 1, 2027. Signed by Governor Newsom on October 11, 2025 (Chapter 647, Statutes of 2025). The law takes a study-only approach; earlier prescriptive provisions were removed. | |
| AB 1577Data center reporting requirements | In force 2026-09 | Signed by Gov. Newsom on Sept. 21, 2026 (Chapter 434, Statutes of 2026). Creates data center reporting obligations to the California Energy Commission, including energy use and local land use disclosures. | |
| AB 2383Fair Share in Energy Act | In force 2026-09 | Signed by Gov. Newsom on Sept. 21, 2026 (Chapter 435, Statutes of 2026). The Fair Share in Energy Act adds Public Utilities Code provisions on electricity service to data centers. | |
| AB 2469Data centers: water use disclosures | In force 2026-09 | Signed by Gov. Newsom on Sept. 21, 2026 (Chapter 436, Statutes of 2026). Requires data center water use disclosures. | |
| SB 1168Data center electricity rate structures | In force 2026-09 | Signed by Gov. Newsom on Sept. 21, 2026 (Chapter 440, Statutes of 2026). Establishes data center electricity rate structure provisions in the Public Utilities Code. | |
| SB 886California Technology Innovation and Ratepayer Protection Act | In force 2026-09 | Signed by Gov. Newsom on Sept. 21, 2026 (Chapter 438, Statutes of 2026). The California Technology Innovation and Ratepayer Protection Act directs the CPUC to adopt data center tariffs that assign transmission upgrade costs to data centers. | |
| SB 887CEQA treatment of data centers | In force 2026-09 | Signed by Gov. Newsom on Sept. 21, 2026 (Chapter 439, Statutes of 2026). Amends CEQA provisions covering environmental leadership development projects, data centers and geothermal power plant projects. | |
| AB 2619California AB 2619 would establish comprehensive water reporting requirements with three data center size categories: hyperscale (>25 MW), mid-range (2-25 MW) | In force 2026-09 | Signed by Gov. Newsom on Sept. 21, 2026 (Chapter 437, Statutes of 2026). Requires data centers to report annual water use. | |
| Seven bills to improve data center transparency | In force 2026-09 | California Governor Gavin Newsom signed seven bills on Monday requiring greater transparency from data center developers and operators. The bills aim to provide residents with better insight into energy, water, and land use for data centers. | |
| Newsom clamps down on California data centers as voters turn against the industry | In force 2026-09 | Governor Gavin Newsom signed seven data center bills into law, signaling a shift toward stricter regulation of the industry. The laws focus on environmental and consumer impacts related to data centers. | |
| Cities get more say in data center development under new California laws | In force 2026-09 | Governor Gavin Newsom signed seven bills into law that give cities more authority over data center development. The laws require data center developers to disclose energy and water use, pay more for grid infrastructure, and undergo environmental review. | |
| Data centers are black boxes, but California wants to change that | In force 2026-09 | California Governor Gavin Newsom signed a slate of bills requiring data centers to disclose more information about their electricity and water use. The new laws aim to provide communities with better data and more say over how data centers impact local resources. | |
| Executive Order on AI Safety | In force 2026-09 | California Governor Gavin Newsom issued an executive order addressing AI safety, specifically independent auditors and kill switches. The order was released amid a federal stalemate on AI regulation. | |
| Governors take major actions on AI | Paused 2026-09 | An executive order by California Gov. Gavin Newsom looks to boost oversight of the tech, while Virginia Gov. Abigail Spanberger’s order tightens data center standards. | |
| AB 222California Assembly Bill 222 would require data center operators to report energy consumption and efficiency metrics, including Power Usage Effectiveness | Failed / vetoed 2026-08 | AB 222, which would have required data center energy use reporting, was held under submission in committee on Aug. 29, 2025 and saw no further action before the 2025-26 session ended on Aug. 31, 2026. | |
| Bill to create California PUC inspector general | Failed / vetoed 2026-09 | Governor Newsom vetoed a bill that would have created an inspector general for the California Public Utilities Commission. The veto occurred as Newsom signed other data center-related laws, including those strengthening energy reporting and requiring new rate structures. | |
| What bills did Gavin Newsom sign into law — or veto — in his final year leading California? | Failed / vetoed 2026-09 | California lawmakers sent Gavin Newsom hundreds of bills in his final months as governor. Here's how he handled proposals to counter the Trump administration, lower the cost of living, crack down on data centers and boost retirement plans for public employees. |
City and county moratoria in California
Most of the movement is local, where a building pause or permit halt does not need a legislative session. 48 tracked measures in California, each with its source.
Alhambra
2026-06
City moratorium on data centers with no end date
Ordinance O2M26-4863 (effective Aug 1, 2026) prohibits data centers in office and industrial zones. Planning Commission unanimously recommended approval (Resolution 26-07). Measure DB on the Nov 3, 2026 ballot would extend the ban to all zones and lock it into the city charter, requiring voter approval to reverse. If passed, Alhambra would be the second CA city after Monterey Park to enact a voter-approved permanent ban. The measure has no end date by design.
Angels Camp
2026-08
45-day urgency moratorium on data centers
The Angels Camp City Council voted 5-0 on Aug. 18, 2026 to impose a 45-day moratorium on data centers within city limits. The action preceded a similar 45-day moratorium adopted by the Calaveras County Board of Supervisors for unincorporated areas.
Arcata (Humboldt County)
2026-09
45-day urgency moratorium on data centers
Arcata City Council unanimously adopted an urgency data center moratorium that halts permit processing for 45 days, with a likely extension of up to 10 months and 15 days. The vote was the evening of Sept. 16, 2026.
Baldwin Park
2026-04
City moratorium on data centers for a stated term
One-year urgency moratorium suspending approval, establishment, or operation of data centers within city limits. Extended from an initial short-term urgency ordinance adopted in March 2026. Vote 3-0. Water/groundwater protection cited as primary concern, city sits atop the San Gabriel Valley Groundwater Basin. Part of the San Gabriel Valley wave alongside Monterey Park, El Monte, and Montebello. The measure has a stated duration whose end date is not recorded.
Calaveras County
County moratorium on data centers through October 9, 2026
Board of Supervisors adopted 45-day urgency ordinance 4-0 (chair absent) on Aug 25, 2026. Can be extended up to two years. Planning Director said large-scale data centers warrant further study on water, electricity, noise, lighting impacts. The measure runs to October 9, 2026.
Calexico
2026-09
Permanent citywide data center ban
The Calexico City Council adopted an ordinance prohibiting all new data centers citywide on second reading on September 16, 2026, by a 3-0 vote with two members absent. The first reading was September 2, and the ordinance takes effect 30 days after adoption. The council had earlier declined a temporary urgency moratorium in favor of a permanent Municipal Code amendment.
City of Brawley (data center moratorium passed 3-2), CA
2026-05
City of Brawley (data center moratorium passed 3-2), CA data center moratorium
On May 19, 2026, the Brawley City Council voted 3-2 (Grass and Kelley dissenting) to approve Ordinance No. 2026-03, an immediate moratorium on data centers requiring more than 50 MW of electrical demand or exceeding 250,000 sq ft of gross floor area (smaller server rooms and telecom hubs exempt). Introduced by Councilmember Gil Rebollar to give the city time to draft zoning, environmental, and infrastructure standards.
Coachella
2026-08
Permanent citywide ban on large-scale data centers
The City Council gave final approval on Aug. 26, 2026 to an ordinance permanently prohibiting large-scale data centers anywhere in the city, after a first reading on Aug. 12. Coachella is the second California city to adopt a ban, following Monterey Park. Residents raised water, energy and other environmental impacts.
Commerce
2026-08
45-day urgency moratorium on data centers
The City of Commerce City Council adopted an urgency ordinance in August 2026 prohibiting approval of land use permits, entitlements or agreements for data centers for 45 days, with a possible extension of up to 10 months and 15 days after a public hearing.
Desert Hot Springs
2026-06
Local moratorium on data centers through June 17, 2028
45-day urgency ordinance extended unanimously on Jul 7 by 22 months 15 days, the full two years California law allows. The measure runs to June 17, 2028.
Dixon
2026-09
45-day urgency moratorium on data centers
The Dixon City Council voted unanimously at a special meeting on Wednesday, Sept. 30, 2026 to impose a 45-day moratorium on the approval of new land-use applications for data centers within the city. Reporting indicates the pause also covers battery energy storage facilities and that the city expects to consider an extension while it reviews infrastructure impacts.
El Monte
2026-03
City moratorium on data centers through February 2, 2027
Interim Urgency Ordinance No. 3063 (45-day moratorium); extended Apr 22 by Ordinance No. 3065 (7-0) for 10 months 15 days under Gov. Code 65858. Prohibits accepting or processing new data center land use applications. The measure runs to February 2, 2027.
Escondido
2026-08
45-day moratorium on data centers
The City Council unanimously adopted an urgency ordinance in late August 2026 imposing a 45-day moratorium on data centers and other high-intensity computing uses while staff develops land use and zoning regulations. No data center application had been filed. Staff is due back on Oct. 10, 2026, and the council may extend the moratorium by 10 months and then a further 12 months.
Eureka
Local moratorium on data centers through October 17, 2026
City council unanimously adopted urgency ordinance Bill No. 1061-C.S. establishing 45-day moratorium effective immediately. Can be extended under CA Gov Code 65858 while city updates Local Coastal Program (up to two years). The measure runs to October 17, 2026.
Gilroy
2026-09
Proposed urgency moratorium on data center applications
The Gilroy City Council unanimously approved a 45-day urgency moratorium on new data center applications on September 14, 2026, effective immediately under Government Code Section 65858. It can be extended up to two years and does not affect an Amazon facility already under construction.
Imperial
2026-06
Emergency data center moratorium
The City of Imperial approved an emergency data center moratorium in early June 2026 and extended it in July through May 2027.
Imperial County (data center moratorium + by-right elimination advancing), CA
2026-06
Imperial County (data center moratorium + by-right elimination advancing), CA data center moratorium
On June 2, 2026, after 1+ hour of public comment and 296 emailed comments, the Imperial County Board of Supervisors declined to adopt staff-drafted 'Data Center Development Guidelines' (21 safeguards including elimination of by-right development, infrastructure-impact assessments, 1,000-ft setbacks, water-use disclosure, local hiring, and a Good Neighbor Community Benefit Agreement), which opponents called full of loopholes. Supervisor Jesus Eduardo Escobar pushed for a six-month moratorium 'with more teeth.' Staff was directed to return June 16 with two items: an amended resolution creating an ad hoc study committee, and a moratorium urgency ordinance for immediate effect. A controversial carve-out for a second project (Tomcat Development near Brawley/Imperial) drew criticism. On June 16 the Imperial County Board of Supervisors approved a 45-day moratorium on pending and future data center projects, citing energy, water, and public-health concerns. The developer (Huntington Beach's Sebastian Rucci, ~1M-sq-ft project) threatened a lawsuit, saying the vote 'sends a... On 2026-07-14, the Board of Supervisors voted unanimously to extend the data-center moratorium by 10 months and 15 days (through June 2027) and formed a Data Center Advisory Committee.
Indio
2026-06
Urgency data center moratorium
Indio City Council unanimously adopted a 45-day urgency moratorium June 3, 2026, then extended it 90 days and directed staff to draft a permanent ban.
Irwindale
2026-09
Ordinance No. 821 banning data centers
The Irwindale City Council unanimously approved Ordinance No. 821, a data center ban in the city zoning code, on September 9, 2026. The ordinance followed a first reading on August 26 and takes effect 30 days after adoption.
Lake Elsinore
2026-08
City moratorium on data centers through October 9, 2026
Emergency ordinance establishing 45-day moratorium on new data center applications. Unanimous vote. Requested by Councilmember Steve Manos after resident concerns. City zoning code does not specifically address data centers. The measure runs to October 9, 2026.
Mendocino County
2026-09
45-day urgency moratorium on data centers
The Board of Supervisors voted 5-0 on Sept. 1, 2026 to adopt an urgency ordinance barring any new data center in the unincorporated county. It took effect immediately and runs 45 days, to Oct. 16, 2026. County code does not define or regulate data centers, so one could otherwise be approved through a routine building permit. A hearing set for Oct. 6 could extend the moratorium for up to two years while permanent regulations are written.
Monterey Park
2026-06
Measure NDC permanent data center ban
After a January 2026 urgency moratorium, voters passed Measure NDC (86% in favor) on June 2, 2026, permanently prohibiting new data centers citywide.
Morgan Hill
2026-08
City moratorium on data centers through October 10, 2026
45-day urgency moratorium covering data centers AND grid-scale battery energy storage. Unanimous vote. City has no zoning standards for either use. Extendable up to 2 years under CA Gov. Code 65858. The measure runs to October 10, 2026.
Newsom Signs Legislation
2026-10
Newsom Signs Legislation to Regulate Data Centers in California
Governor Newsom signed legislation regulating data centers in California. The action took place on 2026-10-02.
Oakley
2026-01
City moratorium on data centers through April 14, 2027
Initial 45-day urgency ordinance Apr 15; extended May 16 for 10 months 15 days (through ~Apr 2027). Working toward permanent ban. Voted 5-0 on extension. The measure runs to April 14, 2027.
Palm Springs
2026-09
Two-year data center moratorium, extended Sept. 30, 2026
The Palm Springs City Council voted unanimously on Wednesday, Sept. 30, 2026 to extend its data center moratorium by 22 months and 15 days, for a total of two years, the maximum allowed under state law. The original 45-day urgency ordinance was adopted Aug. 26, 2026 and had been set to expire Oct. 10, 2026. The moratorium bars acceptance, processing or approval of applications and permits for data centers while the city updates its zoning code.
Patterson
2026-07
City moratorium on data centers through July 15, 2027
Interim Urgency Ordinance No. 889 (initial 45-day). Extended unanimously Aug 18 via Ordinance No. 890 for 10 months 15 days. Data centers were previously permitted by right in industrial zones. Key concern is water, city faces state requirements to reduce groundwater pumping. The measure runs to July 15, 2027.
Poway
2024-10
Ordinance banning AI data centers, initial approval
The Poway City Council unanimously advanced the ordinance banning standalone AI data centers, with final approval scheduled for October 6, 2024, and an effective date 30 days later. Mayor Steve Vaus emphasized the ban aligns with community interests due to lack of jobs and limited land.
Richmond
2026-09
Richmond becomes 3rd Bay Area city to impose data center moratorium
The Richmond city council enacted a data center moratorium. The action was reported on 2026-09-16.
Riverbank (Stanislaus County)
2026-09
45-day urgency moratorium on data centers
Riverbank City Council unanimously approved a 45-day moratorium on data centers on Sept. 9, 2026, effective immediately through Oct. 13, with the option to extend. The source reports a unanimous vote but not an explicit 5-0 tally.
Tulare County
2026-09
Data center moratorium, extended into mid-2027
The Tulare County Board of Supervisors voted 5-0 on Tuesday, Sept. 22, 2026 to extend its Aug. 18, 2026 urgency moratorium on new data center development in unincorporated areas by 10 months and 15 days, into mid-2027. In a separate 3-2 vote the board adopted a position opposing data center development, with an exception for enterprise facilities.
City of Calexico (proposed data center moratorium), CA
2026-06
City of Calexico (proposed data center moratorium), CA data center moratorium (pause)
The Calexico City Council was scheduled to consider a proposed data center moratorium at its June 3, 2026 meeting (alongside a public-safety budgeting mandate). No specific data center project in Calexico was identified, the measure appears precautionary amid the county-wide moratorium cascade. The June 3 vote outcome was not yet reported as of June 8. On 2026-07-01, council voted 5-0 to abandon the moratorium approach in favor of directing staff to draft an outright ban ordinance, to return for a second reading/vote on 2026-07-15. Councilmember Diana Nuricumbo cited existing air quality/New River pollution as reasons to go further than a pause. The council's planned final vote on the outright data-center ban, originally set for 2026-07-15, was deferred to September due to the council's August recess.
Los Angeles County
2026-09
Interim prohibition on large-scale data centers in unincorporated areas
The Los Angeles County Department of Regional Planning issued a memo on September 18, 2026 immediately prohibiting large-scale AI data centers in unincorporated areas while zoning amendments are codified. The action follows an April motion approved unanimously by the Board of Supervisors.
San Francisco
2026-10
San Francisco supervisors propose 45-day moratorium on new data centers
San Francisco’s Board of Supervisors approved a 45-day moratorium on approving new data centers on October 8, 2026, to allow time for studying their environmental and community impacts; the measure was sponsored by Supervisor Shamann Walton and co-sponsored by Supervisors Connie Chan, Chyanne Chen, and Jackie Fielder.
Calipatria
2026-07
Permanent data center ban (in development)
Calipatria City Council voted 3-2 on July 14, 2026 to advance an ordinance outlawing data centers within city limits, with a public hearing still pending.
Calipatria City Council (Imperial County, interim 5-year moratorium introduced), CA
2026-05
Calipatria City Council (Imperial County, interim 5-year moratorium introduced), CA data center moratorium (proposed)
Calipatria City Council voted 4-0 to advance an interim urgency ordinance for a temporary 5-year moratorium on large-scale data center approval/permitting/construction, the first Imperial County-area jurisdiction to formally consider blocking data centers. Tied to broader Salton Sea-area data center opposition. As of June 8, the 5-year moratorium remains an introduction only, the May 12 vote directed staff to advertise a formal public hearing to refine the ordinance before it takes full effect; no second-reading adoption has been confirmed. Mayor Michael Luellen said 'data centers, the only place that they exist, is in hell,' and council members faced recall notices around the same time.
City of Imperial (hyperscale data center moratorium advancing), CA
2026-05
City of Imperial (hyperscale data center moratorium advancing), CA data center moratorium (proposed)
On May 20, 2026, the City of Imperial council voted 4-0 to direct staff to return with a moratorium on hyperscale data centers within city limits; the item returned June 3 with the council moving to advance it (Mayor Ida Obeso: 'we have a right and a privilege to protect our residents'). The city is also the plaintiff in a separate CEQA suit against Imperial County over the IVCM project.
Fresno
2026-09
Proposed 10-year citywide data center prohibition
The City Council voted 7-0 on Sept. 3, 2026 to begin drafting a citywide prohibition on data centers lasting 10 years, covering land later annexed into the city and requiring that councilmembers be notified of applications. Mayor Jerry Dyer co-sponsored the measure. The development code amendment must still clear environmental review, the Airport Land Use Commission and the Planning Commission before returning to the council, so no prohibition is in force yet.
Hayward
2026-09
Council starts process to prohibit future data center approvals
The Hayward City Council voted 7-0 on September 16, 2026 to direct staff to start the process for prohibiting future data center approvals. The council will revisit the issue in October 2026.
Humboldt County
Proposed county moratorium on data centers
Supervisors unanimously directed staff to draft one-year moratorium. Chose moratorium over permanent ban due to existing data center in Arcata. Not yet formally enacted. The measure has no documented term.
Oakland
2026-09
Oakland Weighs Data Center Moratorium as Opposition Mounts
Oakland City Council's Life Enrichment Committee approved a proposed 45-day moratorium on new data center projects on September 22, 2026, sending it to the full City Council for an October 6 vote.
Perris
2026-09
Proposed ordinance prohibiting high-demand data centers
The Perris Planning Commission voted on September 16, 2026 to recommend an ordinance prohibiting data centers that require high amounts of electricity and water. The recommendation must still go to the City Council.
Riverside
2026-09
Proposed 90-day data center moratorium
The Riverside City Council Land Use Committee voted unanimously on September 14, 2026 to recommend that the full council adopt a 90-day urgency moratorium on new data center proposals while staff defines data centers and drafts permanent rules. No full council vote date was reported.
San Joaquin County
2026-09
Proposed county moratorium on data centers
The San Joaquin County Board of Supervisors voted on September 1, 2026 to direct staff to study large-scale AI data center impacts. After initial findings in October, the board is to consider an initial 45-day moratorium on approval of data center projects.
Whittier (Los Angeles County)
2026-08
Council directs staff to draft data center urgency moratorium
On Aug. 25, 2026, Whittier City Council voted 5-0 to direct staff to study data centers and other land uses and return with moratorium options and longer-term rules. No urgency ordinance was adopted at that meeting.
Imperial County
2026-08
County moratorium set aside by court; replacement under review
The temporary moratorium governed final County approvals for data centers in unincorporated areas. Imperial County reported on August 28 that Superior Court directed the measure to be set aside; the County was reviewing next steps and preparing a possible replacement. It is not treated as a current parcel block.
Montebello
2026-02
Expired city moratorium on data centers through March 28, 2026
Urgency Ordinance No. 2491 (5-0 vote). 45-day moratorium on AI data centers. Expired on schedule ~Mar 28. No extension adopted per review of all council agendas through Jul 2026. Adjacent to Monterey Park which permanently banned data centers. The measure runs to March 28, 2026.
Tuolumne County
2026-09
Proposed 45-day data center moratorium not advanced
On Sept. 1, 2026 the Tuolumne County Board of Supervisors declined to advance Supervisor Ryan Campbell's proposal for a 45-day data center moratorium, with three supervisors opposed. The board instead voted unanimously to direct staff to develop data center regulations, and the county scheduled a public input meeting for Oct. 7, 2026.
Where California stands
Across the whole tracker we hold 334 state-level measures in 49 states and 1253 city and county measures, against 1419 primary sources. California accounts for 17 of the state-level measures and 48 of the local ones.
By total measures on record it is #6 of the 50 states and DC carrying any tracked action, and #7 by city and county measures alone. Ranking is by count of sourced entries in this dataset, so it measures documented activity, not the size of the buildout.
Sources for California
64 citations behind the entries above. Each opens in a new tab.
- Statewide · SB 57 — California SB 57 directs the CPUC to assess whether investor-owned utility costs from new data center loads result in cost shifts to other retail customers. sd18.senate.ca.gov →
- Statewide · AB 1577 — Data center reporting requirements leginfo.legislature.ca.gov →
- Statewide · AB 2383 — Fair Share in Energy Act leginfo.legislature.ca.gov →
- Statewide · AB 2469 — Data centers: water use disclosures leginfo.legislature.ca.gov →
- Statewide · SB 1168 — Data center electricity rate structures leginfo.legislature.ca.gov →
- Statewide · SB 886 — California Technology Innovation and Ratepayer Protection Act leginfo.legislature.ca.gov →
- Statewide · SB 887 — CEQA treatment of data centers leginfo.legislature.ca.gov →
- Statewide · AB 2619 — California AB 2619 would establish comprehensive water reporting requirements with three data center size categories: hyperscale (>25 MW), mid-range (2-25 MW) leginfo.legislature.ca.gov →
- Statewide — Seven bills to improve data center transparency w.media →
- Statewide — Newsom clamps down on California data centers as voters turn against the industry calmatters.org →
- Statewide — Cities get more say in data center development under new California laws constructiondive.com →
- Statewide — Data centers are black boxes, but California wants to change that theverge.com →
- Statewide — Executive Order on AI Safety axios.com →
- Statewide — Governors take major actions on AI route-fifty.com →
- Statewide · AB 222 — California Assembly Bill 222 would require data center operators to report energy consumption and efficiency metrics, including Power Usage Effectiveness leginfo.legislature.ca.gov →
- Statewide — Bill to create California PUC inspector general utilitydive.com →
- Statewide — What bills did Gavin Newsom sign into law — or veto — in his final year leading California? calmatters.org →
- Alhambra — City moratorium on data centers with no end date laist.com →
- Angels Camp — 45-day urgency moratorium on data centers uniondemocrat.com →
- Arcata (Humboldt County) — 45-day urgency moratorium on data centers lostcoastoutpost.com →
- Baldwin Park — City moratorium on data centers for a stated term citizenportal.ai →
- Calaveras County — County moratorium on data centers through October 9, 2026 mymotherlode.com →
- Calexico — Permanent citywide data center ban calexicochronicle.com →
- City of Brawley (data center moratorium passed 3-2), CA — City of Brawley (data center moratorium passed 3-2), CA data center moratorium thedesertreview.com →
- Coachella — Permanent citywide ban on large-scale data centers kesq.com →
- Commerce — 45-day urgency moratorium on data centers mynewsla.com →
- Desert Hot Springs — Local moratorium on data centers through June 17, 2028 riversiderecord.org →
- Dixon — 45-day urgency moratorium on data centers yahoo.com →
- El Monte — City moratorium on data centers through February 2, 2027 ci.el-monte.ca.us →
- Escondido — 45-day moratorium on data centers ncpipeline.substack.com →
- Eureka — Local moratorium on data centers through October 17, 2026 lostcoastoutpost.com →
- Gilroy — Proposed urgency moratorium on data center applications cityofgilroy.org →
- Imperial and 1 other locality — 2 separate measures, cited together kpbs.org →
- Imperial County (data center moratorium + by-right elimination advancing), CA — Imperial County (data center moratorium + by-right elimination advancing), CA data center moratorium inewsource.org →
- Indio — Urgency data center moratorium indio.org →
- Irwindale — Ordinance No. 821 banning data centers sgvtribune.com →
- Lake Elsinore — City moratorium on data centers through October 9, 2026 elsinore247.com →
- Mendocino County — 45-day urgency moratorium on data centers pressdemocrat.com →
- Monterey Park — Measure NDC permanent data center ban montereypark.ca.gov →
- Morgan Hill — City moratorium on data centers through October 10, 2026 morganhilltimes.com →
- Newsom Signs Legislation — Newsom Signs Legislation to Regulate Data Centers in California news.google.com →
- Oakley — City moratorium on data centers through April 14, 2027 contracosta.news →
- Palm Springs — Two-year data center moratorium, extended Sept. 30, 2026 kesq.com →
- Patterson — City moratorium on data centers through July 15, 2027 cbsnews.com →
- Poway — Ordinance banning AI data centers, initial approval 10news.com →
- Richmond — Richmond becomes 3rd Bay Area city to impose data center moratorium news.google.com →
- Riverbank (Stanislaus County) — 45-day urgency moratorium on data centers news.theregistrysf.com →
- Tulare County — Data center moratorium, extended into mid-2027 recorderonline.com →
- City of Calexico (proposed data center moratorium), CA — City of Calexico (proposed data center moratorium), CA data center moratorium (pause) ivpressonline.com →
- Los Angeles County — Interim prohibition on large-scale data centers in unincorporated areas abc7.com →
- San Francisco — San Francisco supervisors propose 45-day moratorium on new data centers sfexaminer.com →
- Calipatria City Council (Imperial County, interim 5-year moratorium introduced), CA — Calipatria City Council (Imperial County, interim 5-year moratorium introduced), CA data center moratorium (proposed) inewsource.org →
- City of Imperial (hyperscale data center moratorium advancing), CA — City of Imperial (hyperscale data center moratorium advancing), CA data center moratorium (proposed) kyma.com →
- Fresno — Proposed 10-year citywide data center prohibition thebusinessjournal.com →
- Hayward — Council starts process to prohibit future data center approvals localnewsmatters.org →
- Humboldt County — Proposed county moratorium on data centers lostcoastoutpost.com →
- Oakland — Oakland Weighs Data Center Moratorium as Opposition Mounts cbsnews.com →
- Perris — Proposed ordinance prohibiting high-demand data centers hoodline.com →
- Riverside — Proposed 90-day data center moratorium raincrossgazette.com →
- San Joaquin County — Proposed county moratorium on data centers sjgov.org →
- Whittier (Los Angeles County) — Council directs staff to draft data center urgency moratorium whittier360newsnetwork.com →
- Imperial County — County moratorium set aside by court; replacement under review imperialcounty.org →
- Montebello — Expired city moratorium on data centers through March 28, 2026 citizenportal.ai →
- Tuolumne County — Proposed 45-day data center moratorium not advanced uniondemocrat.com →
What does bind large loads in California
A moratorium is only one way a data center gets stopped. The grid operator decides whether it can connect at all, and on what terms. California sits in 2 footprints.
CAISODominant
Surplus capacity; large-load rules still in stakeholder process to a November filing.
Non-RTO utility territory
No RTO or ISO market here. Interconnection terms, study queues and curtailment rights for a large load are set by the individual utility and its state commission.
CAISO covers ~80% of state load; LADWP, BANC/SMUD, and IID are separate non-RTO balancing authorities.
States next door
3 of the 3 states bordering California have at least one data-center measure on record. Restrictions tend to travel between neighbors, so this is usually where the next one comes from.
Data centers in California
The US Data Center Map identifies 482 facilities run by 148 operators in California, each one placed from primary sources and listed by city and by operator, with the measures on this page beside them.
Open the California data center map → · The US Data Center Map →
Alabama
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How to read this page
In force = a moratorium, siting restriction, or tax-incentive rollback that is currently enacted, by statute or executive order. Paused = a temporary hold on new incentives or applications. Proposed = introduced and still pending. Failed / vetoed = died in committee, was voted down, or was vetoed.
This page is generated from the same primary-sourced dataset as the national U.S. Data Center Moratorium Tracker and is re-checked on the same weekly cycle, whether or not anything changed. Legislative status changes quickly; it is informational, not legal advice. Spot something out of date in California? Tell us.
Companion references: the Data Center Grid Operator Watchlist for the interconnection and curtailment rules that bind here, the Data Center Water Tracker for water mandates, and the Data Center Delay Watchlist for named projects.
Why California is pushing back
The objections repeat from state to state: strain on the electric grid, water drawn for cooling, and the sense that a facility takes local resources without giving much back. SAVRN builds AI factories designed around those three objections: on-site power that does not lean on the public grid, direct-to-chip cooling that does not consume municipal water, and a training institute that puts local people to work inside the building.
See how a SAVRN factory works Talk to us about a California site