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California Data Center Intel
Latest data center news, projects, power and policy across California — updated daily.
California · Construction & power moves · 1
full tracker →Land, power, and interconnection moves across California — each traced to primary filings.
Top JUST IN — California
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CAISO schedules Large Loads Initiative stakeholder meeting and draft final proposal comment period
Source: California ISO · Sep 10, 2026According to CAISO, the ISO will host a hybrid stakeholder meeting on Oct. 1, 2026 for the Large Loads Initiative, post a draft final proposal on Sep. 24, 2026, and open comments due by Oct. 15, 2026. CAISO also says stakeholders will review the proposal before it goes to the Board of Governors and before the ISO files tariff language with FERC, indicating an active regulatory process for large loads in California.
Backed by 1 primary filing — sign in or book a call to see all sources.
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Large Loads Initiative: Additional discussion of operational and technical requirements, call on 8/24/26
Source: California ISO · Aug 17, 2026California ISO said it scheduled an additional stakeholder meeting for the Large Loads Initiative “to provide additional time, if needed, to discuss the operational and technical requirements” in the Large Loads Straw Proposal and Large Loads Technical Requirements Straw Proposal, with topics including “Operational requirements” and “Technical requirements” (California ISO, Aug. 17, 2026). The notice also says the Aug. 24 meeting was contingent and ultimately unnecessary because “We were able to cover all of the material and will no longer need the meeting on 8/24.”
Backed by 1 primary filing — sign in or book a call to see all sources.
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Large Loads Initiative: Straw proposal posted, meeting on 8/19/26
Source: California ISO · Aug 12, 2026California ISO says that, following the FERC “June 18, 2026, Order to Show Cause,” its Large Loads Initiative is the “primary forum” for possible “tariff, policy, and process enhancements” affecting large-load integration on the ISO-controlled grid, including “planning, interconnection, transmission service, reliability, and operational considerations.” CAISO also says the straw proposal will address “Cost Shifting Risk Among Transmission Customers,” “Co-Location Arrangements and Load with Behind the Meter Generation,” and “Interconnection Customers Serving Electrically Proximate Large Load and Co-Located Load.”
Backed by 1 primary filing — sign in or book a call to see all sources.
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Large Loads Considerations: Comment deadline on information session moved to 2/25/26
Source: California ISO · Feb 12, 2026California ISO said it “has moved the deadline for written comments on the Large Load Considerations issue paper and Feb. 5 meeting discussion to Feb. 25, 2026,” and asked stakeholders to submit comments by end of day Feb. 25, 2026. The notice also says the “issue paper, presentation, and meeting recording are available” on CAISO’s Large Load webpage.
Backed by 1 primary filing — sign in or book a call to see all sources.
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2025 Draft Participating Transmission Owner Per Unit Cost Guides Posted
Source: California ISO · Apr 03, 2025CAISO said it “has posted the Draft Per Unit Cost Guides” and that “participating transmission owners update and publish per unit costs annually as part of the current interconnection study cycle for estimating the cost of facilities required to interconnect resources,” with written comments due by April 30, 2025, according to the California ISO notice.
Backed by 1 primary filing — sign in or book a call to see all sources.
Recent California data center news
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Constellation Completes Acquisition of Calpine; Groups Have 55 GW of Generation Capacity
Constellation has completed its acquisition of Calpine Corp. from Energy Capital Partners (ECP).
- Transaction completed: Constellation completed the announced cash-and-stock acquisition of Calpine (initially announced as a $16.4-billion deal a year earlier); the transaction has a total value of $26.6 billion including debt, and the combined company will have 55 GW of generation capacity and serve 2.5 million retail and business customers. The merged company will maintain headquarters in Baltimore, Maryland, with a significant presence in Houston, Texas, and will supply power to data centers, advanced manufacturing, and critical infrastructure.
- Regulatory settlement and divestitures: To resolve U.S. antitrust concerns the DOJ Antitrust Division and the Texas Attorney General required the divestiture of six power plants (four serving PJM and two serving ERCOT): Bethlehem Energy Center; York Energy Center (York 1 and York 2); Hay Road Energy Center; Edge Moor Energy Center; Jack A. Fusco Energy Center; Gregory Power Plant. The DOJ filed a proposed consent decree (the Division’s first electricity-merger consent decree in 14 years) to address competition concerns in ERCOT and PJM.
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Breaking: EPA Cracks Down on xAI’s Unauthorized Datacenter Power Generation
The Environmental Protection Agency (EPA) has ruled that xAI operated methane gas turbines at its Colossus 1 datacenter without required air quality permits and clarified such turbines are not exempt even when used temporarily, bringing permitting under federal law.
- Main announcement: The EPA found xAI used up to 35 methane gas turbines at Colossus 1 in Tennessee without necessary permits (exploiting a local loophole for generators operating less than 364 days); the agency ruled these turbines are not exempt from air quality permits, subjecting such datacenter power generation to federal permitting requirements.
- Background and details: xAI later received permits for 15 turbines and is currently operating 12 permitted machines at the site; the article also notes UK regulator Ofcom is investigating xAI’s Grok chatbot over content-moderation/misuse, cites the U.S. Department of Energy figure that U.S. datacenters consumed about 70 billion kWh in 2020, and lists renewable energy progress for Google (100% achieved 2017) and Microsoft (74% in 2020) while stating xAI: Unknown.
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With All Eyes on AI, Data Centers Are Commercial Real Estate’s Jewel for 2026
The article reports that the data center sector is entering an unprecedented growth phase.
- Record leasing activity and sustained hyperscaler demand are driving the market; the piece notes first-quarter 2026 deployments are already underway, highlights emerging demand from “neo-clouds”, and cites historic leasing/absorption across major US and European markets (Atlanta; Dallas–Fort Worth; Milan; Frankfurt; Paris).
- The article is an analytical market summary referencing recent earnings call commentary and market reports, and it identifies power access as the primary constraint (fast-growth markets vs. grid/permitting-constrained markets such as London, Northern Virginia, Amsterdam, Dublin); it also cites financial metrics of stabilized NOI >10% and development profit margins >50%. This is commentary/analysis rather than a first-time corporate announcement.
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California biomass plant conversion to create carbon-negative AI facility
New owners announced conversion of a biomass power facility in California into a carbon-negative data centre.
- Main action: The facility, currently a biomass power plant in California, will be converted by its new owners into what they call a “carbon-negative data centre” intended to host artificial intelligence infrastructure.
- Additional details: The report references the facility type (biomass power) and the intended use (AI infrastructure); no owner names, timelines, financials, or project capacity details are provided in the article.
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The State of the Science 1 Year On: Environment
The Trump administration has announced multiple rollbacks of U.S. environmental protections and actions to fast-track permits for mining, AI infrastructure, and data centers.
- Major policy actions: Executive orders and budget proposals from the Trump administration include fast-tracking federal permitting for data-center infrastructure (July executive order), expediting mining permitting (goal: as little as 28 days), and an April executive order to revive coal and designate coal as a critical mineral; the administration also ordered closure of 25 USGS Water Science Centers and proposed cuts to NOAA labs and programs.
- Concrete budget and project details: The FY2026 Omnibus proposal (OBBB / OMB materials) includes $2.46 billion cut to EPA Clean and Drinking Water State Revolving Funds, $1.01 billion cut to categorical grants for air and water quality, and $721 million cut to USDA Rural Development programs; the Interior announced plans to complete the Velvet-Wood mine environmental assessment in 2 weeks and construction of that uranium/vanadium mine began in November 2025.
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Illinois Governor Signs Wide-Ranging Energy Legislation Addressing Battery Storage, Nuclear Power, Renewables, and More
Illinois Governor J.B. Pritzker signed the Illinois Clean and Reliable Grid Affordability Act (CRGA) on January 8, 2026.
- Overview of the action: CRGA directs the Illinois Power Agency (IPA) to prepare a Storage Procurement Plan (stakeholder review and comment in 2027) and mandates an initial energy storage procurement on or about August 26, 2026 for slightly more than 1 GW, followed by additional procurements for 3 GW; CRGA lifts the moratorium on new Illinois nuclear plants over 300 MW, expands regulator authority (ICC, IPA, IFA, Illinois EPA) to develop an Integrated Resource Plan (IRP), and imposes additional emissions permitting for diesel- and natural gas‑powered backup generators at data centers.
- Background and key implementation details: CRGA requires an IRP evaluating needs over 5/10/15/20-year horizons; directs the ICC and IPA to publish an Illinois-specific ISO study by December 1, 2026 (with possible follow-up study); creates a Geothermal Homes and Businesses Program with up to $10 million worth of RECs per delivery year (program to be included in the IPA Long‑Term Plan beginning June 1, 2028 through June 1, 2035); mandates each electric public utility file an initial VPP tariff by June 1, 2026 (short‑term VPP beginning no later than June 30, 2026, with a compensation floor of $10 per kW of average dispatch), expands Project Labor Agreement (PLA) requirements and raises community solar size caps to 10,000 kW AC.
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Dell bolsters PowerStore array with capacity, security features
Dell Technology has announced an update to its PowerStore unified file and block storage array, and the software update (PowerStore 4.3) is available now for existing customers.
- Main announcement: Dell announced PowerStore 4.3 and a 30TB QLC drive that enables up to 2 petabytes in a 2U rack (doubling capacity per rack unit) and claims to reduce total cost of ownership by 15%; the update is available immediately to existing customers with integrated features and AI capabilities activated.
- Details and background: The release adds synchronous replication over Fibre Channel, asynchronous replication with RPO down to five minutes, Metro sync replication for zero RPO/RTO, NFSv4.2 support (server-side copy, sparse files, labeled NFS), AI-powered anomaly detection, improved QoS and Top Talkers monitoring, and up to 23% better power efficiency versus 15TB QLC-equipped 3200Q appliances introduced in 2024.
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Idled California Biomass Power Plant to Be Rebuilt as Carbon-Negative AI Factory
NewYork GreenCloud has acquired the idled Buena Vista Biomass Power facility and announced plans to convert it into a 41-MW carbon-negative AI factory.
- Main announcement: NYGC (NewYork GreenCloud) acquired the Buena Vista facility in Ione, CA and plans to repower the legacy 18-MW biomass plant into a 41-MW carbon-negative AI factory, replacing combustion with pyrolysis, integrating on-site immersion-cooled GPU compute, and pairing generation with Tesla Megapack battery storage; the announcement was made on Jan. 14.
- Project structure & details: Impact Capital Partners advised on capital strategy; project materials estimate total capital expenditures of $156 million, note the site is interconnected to CAISO, currently permitted and located on fiber routes, describe a two-phase delivery (refurbishment/repowering then conversion to carbon-negative pyrolysis), and cite a 2026–2028 rollout evaluation window and specific agreements (e.g., a $6 billion Atlas Cloud AI / NYGC partnership with an initial $250 million deployment to host 288 HGX B300 systems with full deployment by February 2026).
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Sustainable Data Centers in the Age of AI: Page Haun, Chief Marketing and ESG Strategy Officer, Cologix
Cologix explained its sustainability approach for AI-era data centers through design, engineering, community engagement, and transparency (as presented by Page Haun on The Data Center Frontier Show).
- Main announcement/action: Cologix described its AI-era sustainability baseline and concrete practices including Montreal 8 (MTL8) achieving LEED Gold, an average WUE of 0.203, PUE of 1.486, 65% carbon-free energy reported in its 2024 ESG report, and deployment plans such as onsite fuel cells in central Ohio under a 15-year contract (Cologix covers full cost while AEP completes transmission upgrades). The company also cites hydropower in Montreal, deep lake water cooling in Toronto, natural air cooling in California, and closed-loop water systems as part of its siting and engineering strategy.
- Background and implementation details: Cologix emphasized collaboration with utilities and governments (sharing long-term load forecasts and infrastructure plans), community engagement (town meetings, local leaders, STEM and relief programs), and transparency (reporting to CDP and EcoVadis, ISO 14001 process, Energy Star expansion). The episode serves as a descriptive briefing rather than a new standalone financial deal announcement; implementation timelines referenced include the 15-year fuel cell contract and multi-year transmission upgrades by utilities.
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Google warns grid connection delays are now the biggest threat to data center expansion
Google warns transmission grid connection delays up to 12 years are becoming the defining limit on AI-era data center growth.
- Main announcement/action: Google (via Marsden Hanna, global head of sustainability and climate policy) said “transmission barriers are the number one challenge we’re seeing on the grid,” reporting utilities quoting four-to-ten-year interconnection timelines and one utility citing 12 years just to study an interconnection request; Google is exploring co-location adjacent to power plants but states a strong preference for grid-connected load.
- Background and details:Berkeley Lab projects data center electricity consumption rising from 176 TWh (2023) to 325–580 TWh (2028); nearly 2,300 GW of generation and storage capacity sits in interconnection queues; permitting for regional transmission lines takes 7–11 years; co-location pricing has jumped 20% in power-constrained markets; Goldman Sachs Research estimates $720 billion in grid spending may be needed through 2030, and the DOE estimates up to 100 GW could be unlocked via advanced transmission technologies.