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In August 2025, Heatmap Pro and Embold Research asked 3,741 registered voters whether they would support or oppose a data center being built near them. The country was evenly split: 44% in favor, 42% opposed. A year later, with the question worded the same way, 75% were opposed and only 4% were strongly in favor, down from 13%. Other pollsters, using their own questions and samples, have recorded the same direction through 2026, with opposition to a local data center landing between 61% and 75% depending on the poll. Gallup's first reading, in March, put it at 71%, compared with 53% for a nuclear plant in the same survey; opposition to a local nuclear plant has not passed 63% since Gallup began asking in 2001.

The turn, in five polls

Heatmap's own series is the cleanest because the wording never changed. Opposition was about 42% in August 2025, 51% in February 2026, about 70% in May (with 55% strongly opposed), and 75% in August, when more than six in ten were strongly opposed. Emerson College found a similar slope among likely voters: 42% opposed to an AI data center in or near their community in December 2025 and 63% in a July 19 to 20 poll, with 27% in support and 10% neutral, according to Newsweek's report of the survey. The Annenberg Public Policy Center at the University of Pennsylvania found 49% opposed in a spring wave and 61% by mid-July, with support falling from 21% to 14%; the center called it the largest shift on any AI question in its surveys. In mid-September, PBS News, NPR and Marist found 65% of registered voters opposed to construction in their own community, 43% of them strongly. That is higher than the 58% who said new construction by large tech companies would have a mostly negative effect on the country.

The turn shows up at the state level too. A Washington Post and George Mason University Schar School poll of 1,101 Virginia registered voters, taken March 26 to 31, found 35% comfortable with a new data center in their community, down from 69% in 2023. Northern Virginia is the largest market on the Digest's own map. Support for tax breaks for data centers that create at least 1,000 jobs fell from 61% to 37%, and 67% of those polled said the state's sales-tax exemption should end, against 26% who would keep it.

What changed in people's minds

Pew Research Center's American Trends Panel shows the shift as a change in perceived effects. Between January and a July 20 to August 9 survey of 10,548 adults, the share calling data centers mostly bad for the environment rose from 39% to 54%, for home energy costs from 38% to 50%, and for the quality of life of people nearby from 30% to 49%. About 4% called any of those three mostly good. Local jobs and local tax revenue, the benefits developers cite most, drew a split verdict: about 22% called each mostly good, while the share calling them mostly bad rose from 15% to 24% for jobs and from 12% to 21% for tax revenue. The cost side of the ledger gained new believers; the benefit side did not.

Pew also found 60% not too or not at all comfortable with a new data center in their area, and 7% extremely or very comfortable. Awareness rose over the same months: 35% said they had heard a lot about data centers, up from 25% in January, and the share who had heard nothing at all fell from 25% to 12%. The survey cannot say whether attention drove opinion, but the two moved together. The movement crossed party lines: the share of Republicans calling data centers mostly bad for nearby quality of life rose from 24% to 42%, and among Democrats from 37% to 57%.

What people say worries them

Gallup followed its March poll with an open-ended question in April to 2,054 panel members, asking supporters and opponents to explain themselves in their own words. About two-thirds of supporters cited economic benefits, including 55% who named jobs and 13% who named tax revenue. Opponents gave a wider range of reasons. Half cited excessive resource use, including 18% who named water and 18% who named energy. Another 16% cited pollution, such as noise and air or water contamination. About one in five raised quality-of-life effects such as population growth, traffic or land use, and a similar share cited economic costs such as higher utility bills and building costs. Most of the remaining opposition came from general or specific concerns about AI itself.

A November 2025 YouGov survey of 1,000 Americans, designed by Harvard's Stephen Ansolabehere just before the turn, suggests why quality of life can outweigh the electric bill. Two-thirds of respondents expected a nearby data center to raise electricity prices and 58% expected more pollution, yet support sat near neutral on a zero-to-one scale, at 0.51, between an auto factory (0.57) and a petrochemical plant (0.37). Nearly two-thirds also expected a data center to create long-term jobs, and a similar share expected economic growth. When the analysis weighed all the factors together, perceived effects on community quality of life were about three times as important to support as any other single factor, electricity prices included. People who expected a data center to lower prices were 36 percentage points more likely to support it, but that gap roughly halved once the other factors were included.

Heatmap's August 2025 poll tested arguments directly. The most convincing case for a data center was construction and operating jobs, which 63% found very or somewhat convincing, followed by local tax revenue for schools and services. The argument that data centers are needed to win the AI race with China scored far lower, at a net of plus 4. The most convincing case against was large electricity use raising utility bills (net plus 46), followed by heavy water consumption (net plus 34). Heatmap's reading was that tangible local effects mattered more to respondents than abstract ones. In Virginia, the Post and Schar School poll found 57% saying data centers are hurting home energy bills and 59% saying they are harming the local environment.

Who opposes, and where the politics moved

The opposition is bipartisan but uneven, and the Republican shift is the sharpest. In Heatmap's August 2025 poll, net support for a nearby data center was plus 14 among Republicans, minus 5 among independents and minus 8 among Democrats. A year later, Republicans were underwater by 43 points, independents by 65 and Democrats by 75. Annenberg's July numbers show a narrower gap, with 69% of Democrats, 54% of Republicans and 53% of independents opposed, and Gallup found 56% of Democrats, 39% of Republicans and 48% of independents strongly opposed.

Education draws a sharper line than geography does. Emerson found 79% of respondents with a postgraduate degree opposed, up 27 points since December, against 72% of college graduates (up 25) and 37% of those with a high school education (up 9). Annenberg found opposition at 70% among adults under 30 and 57% among those 65 and older. Place matters less than might be expected: Heatmap found rural voters underwater by 63 points, with urban and suburban voters only a few points more supportive, and PBS, NPR and Marist found opposition above 60% in big cities, suburbs, small towns and rural areas alike. Familiarity with AI does not predict it either. Annenberg found 64% of people who had not used AI opposed to local data centers, against 60% of heavy users, and said baseline AI use did not predict later opposition.

The politics are already visible, weeks before the November midterms. In Pew's September 28 to October 4 survey, 61% of registered voters said they dislike political leaders who support building data centers near them, and 8% said they like such leaders. Among Democratic candidate supporters the dislike figure was 75%; among Republican candidate supporters it was 44%, with 42% feeling neither way.

What the polls can and cannot say

Question wording explains part of the spread between 61% and 75%. Annenberg asks about new local data centers, Emerson about AI data centers in or near the community, Gallup about AI data centers in the local area, Heatmap about a data center near the respondent, and Pew about comfort. Only a few of these are true trend lines, meaning the same question asked repeatedly: Heatmap's four waves, Emerson's two, Annenberg's two, Pew's two, and the Virginia comparison with 2023. The rest are single readings that add context but not direction. All of them record attitudes toward hypothetical or generic projects, not reactions to a specific proposal with specific terms, and none shows how those attitudes translate into approvals or denials. On that side, PBS reported that Data Center Watch counted at least 75 projects worth roughly $130 billion blocked or delayed in the first quarter of 2026.

Little in the published polling tests what could move opinion back. The Harvard survey found that people who expect lower electricity prices are more supportive, and Heatmap's 2025 poll found that renewable power and local jobs persuaded some respondents, but those results predate the turn, and whether they still hold is an open question. What the data do show is a majority position that formed within about twelve months, across parties, ages, education levels and kinds of place, and that rests, in Gallup's open-ended answers, on resource use, pollution and local quality of life more than on any single issue.

The Memphis City Council voted Tuesday to reject an 18-month moratorium on new data center construction and expansions, with the measure failing in a 6-6 tie. Council Member JB Smiley Jr., who sponsored the ordinance, said he proposed it after learning through social media that SpaceXAI, which operates the Colossus supercomputer facility in southwest Memphis, was planning an expansion. Council Member Jerri Green said the council had failed citizens who had been pushing for the moratorium for over a year. The vote followed a chaotic October 6 meeting that ended with protesters using a megaphone on the chamber floor and two women exchanging blows in the lobby.

Meta has published engineering details on Prometheus, its gigawatt-scale AI supercluster located in New Albany, Ohio, which the company describes as its most ambitious AI infrastructure project to date. The first phase is complete and was used to train Meta's Muse foundational models; the cluster currently comprises hundreds of thousands of GPUs across multiple interconnected buildings and will scale to roughly 1 million distributed GPUs. Prometheus deploys two NVIDIA GPU platforms, the GB200 NVL72-based Catalina and the GB300 NVL72-based Clemente, with a third platform based on NVIDIA's Vera Rubin NVL72 arriving soon. Meta reported achieving more than 85 percent goodput for pre-training runs and a wall-clock mean time between interruptions of approximately 54,000 GPU hours after firmware fixes.

Facing rising community opposition ahead of 2026 midterm elections, Amazon, Google, Meta, and Microsoft are pledging increased financial payments, reduced use of non-disclosure agreements, and greater transparency about data center projects. Amazon, Meta, and Google each announced or are targeting $1 billion in financial incentives or local program investments for host communities, while Google said it will pay full real property taxes on all new data center campuses. The moves follow a Senate Democrats report this month criticizing the companies for using NDAs to exclude the public and for seeking aggressive tax breaks without covering full grid upgrade costs. Critics, including the group Concerned Citizens of Montour County in Pennsylvania, have called the commitments propaganda.

The Tippecanoe County Area Plan Commission in Lafayette, Indiana, held a public hearing Wednesday on a proposed ordinance that would establish permanent zoning regulations for data centers and large data centers. The new ordinance is intended to replace temporary regulations adopted last year that are set to expire in November. Residents raised concerns about electricity demand, water usage, environmental impacts, and effects on nearby neighborhoods. Supporters cited potential economic investment and demand for construction and technical services.

The Memphis City Council failed to pass a 12-month moratorium on new data centers in a 6-to-6 tie vote, with Council Member Yolanda Cooper-Sutton absent due to a family emergency. The council did pass Ordinance 18, sponsored by Councilman Warren, which establishes siting and development standards, bans routine evaporative and once-through cooling, requires closed-loop water-circulation systems, and sets a schedule for phasing out carbon-based electricity. A packed crowd exceeded the 407-person chamber capacity, with dozens watching from outside city hall on a monitor. Shelby County leaders are separately debating their own temporary moratorium.

Neocloud Crusoe has developed Crusoe Spark Liquid, a liquid-cooled modular data center system delivering up to 3.5MW of compute per unit and scalable to 100MW across multiple units. Cofounder and President Cully Cavness said production will begin next year at the company's factory in Brighton, Colorado, representing a five-fold density increase over the existing air-cooled Spark model. The system supports Nvidia GB300 NVL72 and Vera Rubin NVL72 racks and is the first modular platform to achieve Nvidia Exemplar status for cloud reliability. All liquid modular deployments planned for next year are allocated to Crusoe Cloud, with 20 to 50MW described as the target deployment sweet spot.

Virginia's Section 15.2-2209.5, enacted as 2026 Chapters 567 and 568 and effective July 1, 2026, requires applicants for facilities projected to use 100 megawatts or more of electrical power to submit a sound study covering residential units and schools within 500 feet, along with utility disclosure of substations and transmission voltage. Del. Sam Rasoul of Roanoke's 38th District is one of ten patrons of HB 153, the House companion bill to SB 94; Gov. Abigail Spanberger signed both into law. The statute is explicitly a disclosure measure: it sets no decibel ceiling, no water cap, and no minimum setback, and exemptions apply to expansions of existing facilities. A broader predecessor bill was vetoed by Gov. Glenn Youngkin on May 2, 2025.

Google has proposed a deal with Xcel Energy to build a 780-megawatt data center in Pine Island, Minnesota, a town of about 4,000 residents, while financing 1,400 megawatts of wind, 200 megawatts of solar, and 300 megawatts of battery storage, exceeding the facility's own capacity needs. Under the agreement, Google will pay for at least 75% of its contracted capacity even if it uses less, and would owe up to eight years of minimum demand charges if it exits early. Critics including Jigar Shah of Multiplier argue operators could instead use smaller facilities in areas with existing grid capacity, and watchdog David Pomerantz of the Energy and Policy Institute warns that utilities earn roughly 10% returns on new infrastructure investment, creating an incentive to build rather than optimize. The agreement is pending approval by the Minnesota Public Utilities Commission.

Nvidia introduced the DSX Pod at GTC Berlin, a containerized AI data center module housing seven Vera Rubin NVL72 racks with networking, cabling, and cooling pre-installed, designed to reduce deployment time at a prepared site from roughly six months to as little as 14 days. The company is working with 17 partners, including Dell Technologies, HPE, Lenovo, Schneider Electric, and Vertiv, to make the product available in early 2027. Ian Buck, Nvidia's vice president of hyperscale and high-performance computing, described the unit as a building block for AI factories intended for worldwide deployment, not only Europe. IDC analyst Ashish Nadkarni identified sovereign AI deployments, smaller-footprint AI builds, and edge AI environments as the three most likely use cases.

St. Louis County, Missouri is considering new regulations that would create a four-tier classification system for data centers based on facility size and energy demands, with the largest facilities required to maintain at least 500 feet of separation from residential neighborhoods. The St. Louis County Planning Commission has recommended the framework to the County Council, though the Council has not yet adopted it. County Executive Sam Page is pushing for additional noise legislation beyond what the Commission proposed, citing continuous low-frequency sounds from cooling and ventilation systems that he says existing industrial noise standards may not adequately address. The proposed rules would also cover water usage, energy consumption, and require annual reporting with independent reviews.

5C Data Centers filed a $575 million commercial alteration permit on October 6, 2026 for the fourth phase of its MEM01 facility at 4300 Getwell Road in Memphis, covering approximately 504,000 square feet of a former Fred's discount retailer distribution complex. The company, which acquired the 1.1 million-square-foot property for $25 million in June 2026, plans to expand available power from roughly 20 MW to 84 MW over six months using fuel cell technology rather than drawing additional capacity from Memphis Light, Gas and Water, according to 5C Group Chief Revenue Officer Brad Nimri. The planned AI architecture includes NVIDIA GB200 and GB300 NVL72 systems with liquid cooling. The development comes as Memphis is conducting a 90-day policy review and considering a data center moratorium.

Virginia Gov. Abigail Spanberger's Data Center Accountability Framework, announced September 18 and accompanied by Executive Order 22, is reshaping development conditions across the state through immediate agency directives and proposed future legislation. Immediate changes include banning new nondisclosure agreements that conceal material information about proposed data centers and excluding projects with anticipated peak electrical demand of 25 MW or more from the Virginia Business Ready Sites Program. Loudoun County officials warned at an October 6 Board of Supervisors meeting that rescinding grandfathering protections for certain previously filed projects could expose the county to roughly $60 million in litigation costs, and Amazon was told it could not proceed by right with plans for more than 800,000 square feet of data centers on the former George Washington University campus in Ashburn. A separate proposal, not yet enacted statewide, would eliminate by-right approval for projects using more than 25 MW.

Goldman Sachs' "Powering the AI Era" report estimates that $5 trillion in total investment will be needed for AI digital infrastructure and the power and utilities sector by 2030, split between $2 trillion for digital infrastructure and $3 trillion for power and utilities. Global data center power demand is projected to surge 170 percent over the same period, with more than 60 percent of the increase expected in the United States. The report notes that operating a single 250 MW AI data center costs approximately $12 billion including computing equipment, and that AI server rack power requirements in 2027 are projected to be 50 times higher than cloud rack requirements five years earlier. Goldman Sachs also found that annual new high-voltage transmission line construction in the United States fell from an average of 1,700 miles in 2010 to 2014 to an average of 350 miles in 2020 to 2023, and that roughly 2,600 gigawatts of generation and energy storage projects are currently awaiting grid connections.

Linda Li, chief strategy officer of Re-Teck and parent company Li Tong Group, argued at the DCF Trends Summit 2026 in Northern Virginia that accelerating GPU refresh cycles are turning lifecycle management into a capital preservation and facilities design challenge, not just an IT asset disposal task. Speaking on the DCF Show podcast hosted by Data Center Frontier Contributing Editor Doug Black, Li outlined a four-factor framework for disposition decisions: remaining capability, component-level economics, risk (including data security and regulatory compliance), and material recovery. She recommended that operators negotiate take-back and decommissioning obligations into procurement contracts at the time of purchase, citing the telecom industry's 3G-to-5G transition as a model. Li also cautioned that secondary market prices for hardware such as H100 accelerators are not guaranteed to hold, making timing of resale decisions a financial variable.

A Marquette Law School Poll found that 74 percent of Wisconsin voters believe the costs of building data centers outweigh the benefits, including 57 percent of Republicans, 83 percent of independents, and 90 percent of Democrats. Despite widespread opposition, only about 5 percent of respondents identified data centers as their top election issue, and the issue consistently ranked behind cost of living, immigration and border security, and the economy and jobs among a list of ten key election issues. Marquette Law School Poll director Charles Franklin described it as a "real paradox" that opposition is high but electoral salience is low, and expressed skepticism that data centers would be a decisive issue in Wisconsin's congressional or gubernatorial races. In Wisconsin Rapids, opposition has been particularly intense at a former paper mill site, where the developer PNK submitted a conditional use permit application for a proposed data center.

Mitsubishi Heavy Industries has obtained ETL Listing from Intertek and AHRI certification for its JHT-Z270I centrifugal chiller, a 10 MW-class unit designed for AI data center cooling applications, and is beginning market introduction activities in North America. The chiller is a core component of MHI's Modular Chiller Plant, which integrates centrifugal chillers, pumps, heat exchangers, and controls into a pre-engineered platform designed for scalable deployment at large AI computing facilities. The system uses hybrid free-cooling modes that prioritize outside air and closed-loop cooling-water configurations intended to improve Power Usage Effectiveness and Water Usage Effectiveness. MHI reported an approximately 60 percent share of Japan's centrifugal chiller market based on FY2025 domestic shipment data from the Japan Refrigeration and Air Conditioning Industry Association.

Texas environmental regulators moved at least 35 data center-related permit applications forward in the month following Gov. Greg Abbott's Sept. 21 directive to halt all data center permits, according to an Oct. 19 analysis by FracTracker and Public Citizen. Actions included fast-tracking or assigning engineers to 14 power generation facility applications, approving stormwater coverage for 11 applications, issuing air emissions certifications for seven, and mailing public notices for three. Abbott's press secretary Andrew Mahaleris said Oct. 20 that no permits had been "approved," while TCEQ interim executive director Steven Schar wrote in an Oct. 19 letter that the agency had "paused the issuance" of permits for infrastructure directly supporting data centers. ERCOT is expected to complete its audit of proposed data center projects in late November and release findings in early December.

Google has expanded its partnership with Entergy Arkansas, adding a 440MW solar power purchase agreement for the entire capacity of Pattern Energy's Big Island solar plant in Mississippi County, plus support for up to 1.4GWh of battery energy storage by 2028. The storage component includes a 1,000MWh facility at the Driver Solar Project site in Mississippi County and a 400MWh facility near Hot Springs, both slated for completion in 2028. The deal also funds expansion of the Galet 500/230 kV substation and two 230kV transmission lines in West Memphis. Google will cover all associated costs, and the companies claim the arrangement will generate $2.1 billion in net benefits for Entergy Arkansas customers; Entergy Arkansas CEO Laura Landreaux said Google is "paying 100 percent of its power needs" while also contributing to the broader grid.

Researchers from North Carolina State University's FREEDM Systems Center completed what they describe as the first test of a megawatt-rated solid-state transformer on a live grid, at a research substation in Lenox, Massachusetts, with funding from the New York Power Authority. Unlike conventional transformers, solid-state transformers use silicon carbide transistors switching at high frequency to actively shape and route power, enabling smaller footprints, fewer conversion stages, and the ability to output either alternating or direct current. The technology, initially patented in 1968 but rarely deployed at scale, has attracted renewed interest from data center developers; NCSU spin-off DG Matrix, based in Raleigh, North Carolina, says it has already been selling the technology to data centers. Demand pressure is growing: NERC's most recent long-term assessment projects summer peak demand rising 224 gigawatts over the next decade, with data centers accounting for most of the increase.

Blackstone has closed Blackstone Energy Transition Partners V LP at its $8.7 billion hard cap, more than 50 percent larger than its predecessor, which closed at $5.6 billion in February 2025. The fund has already made six investments since beginning deployment in June, including three platforms that build and operate power generation and transmission assets, and three acquisitions in energy efficiency and grid reliability equipment. Among the platforms is Viridon, a Chicago company developing high-voltage transmission lines across five U.S. grid regions, and Kindle Energy, which is building Wolf Summit Energy, a 600-megawatt gas-fired plant in West Virginia backed by a $1.2 billion Blackstone commitment. In September, the fund also acquired Cincinnati-based Flow Control Holdings, which makes liquid cooling components for data centers. Blackstone says its energy transition strategy has produced a 34 percent net internal rate of return since 1997, as of June 30, 2026.

Sebastian Rucci, a 66-year-old lawyer based in Huntington Beach, proposed a nearly 1 million-square-foot AI datacenter in Imperial County's Sonoran desert, requiring 330 megawatts of electricity and drawing on Colorado River water supplies. Rucci claimed Google had expressed interest in the facility for training its Gemini AI models, though a Google spokesperson said the company is not involved in the project. A county judge ruled the project cannot move forward until it completes an extensive environmental review, after more than half a dozen lawsuits were filed, a recall effort targeting supportive local officials launched, and a temporary 45-day datacenter moratorium approved. Rucci said he has already invested about $5 million in the project.

Alcoa Corporation has entered into definitive agreements to sell portions of its former Massena East smelter in upstate New York to an unnamed data center firm for up to $315 million, announced during the company's Q3 2026 earnings. Alcoa expects to receive approximately $50 million to $65 million at closing, with an additional $60 million to $250 million possible over a seven-year period as data center capacity is approved and commissioned. Although the buyer was not named in the announcement, BizJournal reports the site will be developed by North Country Colocation Services, an affiliate of cryptominer NYDIG; site plans filed with the town of Massena planning board show an 88-acre project totaling up to 635 megawatts across two buildings and 870,000 square feet. Alcoa CEO Bill Oplinger said the deal advances the company's asset monetization strategy across ten former smelter sites it has been marketing to data center firms.

Developer NorthPoint Development has offered $10,000 checks to each of approximately 4,500 households in Hazle Township, Pennsylvania, part of a broader $165 million community fund that also includes a new police station and lower trash fees, in an effort to win support for its data center project. Residents, including retiree Ed Negra who lives at Eagle Rock Resort adjacent to the site, have called the payments a bribe and helped secure a court-ordered construction halt and a municipal moratorium. More than 1,200 acres of land below the resort were cleared before opposition mobilized, and NorthPoint has continued sending letters to local mailboxes contesting what it calls misinformation. Data Center Watch found that local opposition blocked or delayed at least 75 data center projects in the first three months of 2026.

About 100 supporters gathered at the Loudoun County courthouse in Leesburg for a rally organized by the Piedmont Environmental Council, pressing for a statewide pause on new data center construction in Virginia. Sen. Russet Perry submitted Senate Bill 843, which would impose a three-year moratorium to allow time for new regulations governing the scale, design, location, and financing of data centers. Del. John McAuliff outlined a five-point plan including ending diesel generator use at existing centers, banning new centers in low-groundwater areas and on farmland, and requiring data centers to pay for all their energy and infrastructure costs. Loudoun County, described at the rally as home to 233 data centers with 100 more planned, hosted the event a week after Perry's bill was submitted and days before a Board of Supervisors vote on slowing project reviews.

A surge in token demand driven by agentic AI workflows has created a severe compute shortage, with on-demand GPU prices rising even for older Hopper-generation chips and every neocloud cluster reportedly locked up, according to SemiAnalysis. The shortage is concentrated at TSMC's N3 process node, where AI accelerators from Nvidia, AMD, Google, AWS, and Meta are all converging in 2026; AI-related N3 demand is projected to account for just under 60 percent of total N3 output this year. Nvidia is transitioning from 4NP-based Blackwell to N3P-based Rubin, Google's TPU v7 is already in production on N3E, and AWS's Trainium3 is ramping on N3P, while TSMC's capacity expansion has not kept pace. SemiAnalysis notes that Google's 2026 capital expenditure expectations have roughly doubled versus prior consensus estimates, primarily driven by datacenter and server spending.

Pennsylvania Governor Shapiro has filed a petition for formal party status in a Public Utility Commission proceeding involving PPL Electric, marking the first time in at least 15 years that a governor has intervened in a PUC proceeding. The petition supports a complaint by the Pennsylvania Office of Consumer Advocate, which argues that PPL's current rates and service classifications fail to protect existing customers from costs and reliability risks caused by large data centers. Shapiro is advocating for PPL to establish a separate customer class for large data centers and to allocate grid costs driven by their electricity demand to that class. The case is docketed at PUC Docket No. C-2026-3065756.

Lumentum, Astera Labs, and Corning demonstrated optical PCIe technology at the 2026 OCP Global Summit in San Jose, combining Astera Labs' Scorpio Smart Fabric Switch, Lumentum's optical interconnect, and Corning multimode fiber in a rack-level proof of concept. The demonstration showed fully operational optical links using multiple 32 GB/s channels and an error-free PCIe 5 link, according to Lumentum senior director Christian Urricariet, who stressed it was not a product announcement. Optical PCIe carries PCIe signals over fiber rather than copper, which Corning commercial technology manager Joshua Fennimore said allows connections spanning tens to hundreds of meters inside a data center, compared to a few meters for passive copper. The technology could allow GPU, switch, and memory hardware to be placed in separate dedicated racks rather than confined by copper's reach limits.

AI data centers are driving a rethinking of power conversion system architecture, as concentrated and fast-changing workloads create steep demand ramps that challenge both on-site generators and utility grid operators. Modern power conversion systems in AI facilities are now being designed to regulate active and reactive power, limit current, shape ramp rates, and support voltage and frequency stability across grid-connected and islanded operating modes, rather than functioning solely as conversion devices. A layered architecture pairing bidirectional power conversion systems with battery energy storage and power plant controllers can buffer sudden load changes, support islanding transitions, and allow campuses to operate within agreed interconnection envelopes. Validation approaches are shifting from nameplate ratings to performance specifications that define response time, ramp-rate control, reactive capability, and fault recovery behavior.

Gov. Tina Kotek directed the Oregon Department of Environmental Quality to pause approvals of state and federal air and water pollution permits for data center projects until July 1, 2027. The order, issued in a letter to DEQ Director Leah Feldon, follows a separate pause Kotek recently ordered on data center development on state land and in state buildings. Oregon Rural Action, a La Grande-based nonprofit, said the permit pause could affect a proposed Amazon hyperscale facility in Boardman, where an air pollution permit is currently under review. Kotek cited upcoming recommendations from her seven-member Data Advisory Committee and potential policy reforms in the 2027 legislative session as reasons for the pause.

Microsoft unveiled its third-generation in-house AI accelerator, Maia 300, on October 12, while announcing that Maia 200 is now in production across data centers in the US, Europe, and Australia. Maia 200 delivers up to 1.7 times more tokens per watt than leading GPU infrastructure and currently powers Microsoft Teams, Copilot, and Cowork, with GitHub Copilot and Microsoft Foundry expected to follow by year-end. Maia 300, slated for production deployment in 2027, promises 40% more tokens per megawatt than leading GPU-based systems and up to seven times the rack-scale token throughput of Maia 200 in a full 96-accelerator rack. Microsoft said it plans to scale the Azure Maia family at multi-gigawatt scale in 2027, according to a blog post by Executive Vice President Scott Guthrie.

Data center electricity demand could grow at a compound annual rate of 24% through 2030, but power infrastructure availability will determine how much computing capacity developers can actually bring online, according to McKinsey's Global Energy Perspective 2026. Sam DeFabrizio, a McKinsey partner, said that in all of the firm's most likely scenarios through 2030, power supply falls short of IT compute demand. Developers are increasingly turning to on-site gas engines, turbines, fuel cells, and battery storage to bypass utility construction timelines, though competition for pipeline infrastructure could cause delays. More than 60% of operators now view their strategy as combining on-site generation with grid access, DeFabrizio said.

Tennessee state Rep. Justin J. Pearson filed suit Thursday against Memphis City Council after he, his brother, his mother, and other residents were expelled from a meeting on October 6 and banned from future sessions for protesting delays to a data center moratorium vote. Pearson and five co-plaintiffs, including a high school senior, argue the two-month ban violates First Amendment rights to free expression. The lawsuit arrives days before the October 20 council meeting where the moratorium vote is finally scheduled, locking Pearson out of the proceeding. Pearson has centered his congressional campaign on opposition to Elon Musk's xAI data centers in Memphis, which Reuters found are powered by 59 onsite gas turbines.

Aurora Mayor Mike Coffman called a special City Council meeting for Monday at 6 p.m. to consider a potentially indefinite moratorium on data center applications, reversing his earlier position after community backlash grew significantly. Coffman had previously cast the tie-breaking vote against a six-month moratorium but now says the city cannot risk another situation like the proposed Trident Data Center, an approximately 860,000-square-foot Vantage Data Centers project on East 48th Avenue close to residential neighborhoods. Councilmember Amy Wiles, who sponsored the moratorium proposal, credited residents in the Windler, Reserve, and Green Valley Ranch neighborhoods for shifting votes. Separately, Councilmember Rob Andrews said Vantage is exploring alternative locations, though Vantage spokesperson Mark Freeman confirmed no relocation decision has been made.

Bloomington, Illinois is holding two public hearings on draft data center regulations that classify facilities into three tiers: accessory, commercial, and hyperscale, with hyperscale centers requiring a special use permit approved by both the planning commission and city council. Violations under current zoning code carry fines of $100 to $750 per day plus attorney and court costs, though a city spokesperson confirmed the draft regulations currently reference a Schedule of Fees that does not include fine amounts, and an update is anticipated. City Manager Jeff Jurgens said the city does not plan to extend the existing six-month moratorium on data center proposals, though he acknowledged the council could choose to do so. The council is expected to act on the final regulations at its November 23 meeting, one week before the moratorium expires.

New Jersey's Department of Environmental Protection fined DataOne, an AI data center operator in Vineland, $1.07 million after finding the facility installed and operated 62 natural gas generators without required air permits; the enforcement action was announced September 22. DataOne disputed the agency's determination regarding the temporary generators but said it would apply for air permits and engage with regulators, according to the New Jersey Monitor. Forrester senior analyst Abhijit Sunil told Data Center Knowledge that AI data centers are increasingly functioning as power plants, and that infrastructure can now be deployed faster than permitting processes were designed to oversee. IDC senior research manager Luis Fernandes noted that a recent IDC worldwide operator survey found waste heat reuse ranked last among sustainability priorities, with reducing water usage third from the bottom.

A commentary by Kleinman Center senior fellow John Quigley argues that Pennsylvania has not meaningfully regulated data center development despite 81 active proposals statewide, a projected $5 billion operating deficit this year, and a sales tax exemption for data center equipment projected to cost the state at least $1.9 billion through 2031. The average Pennsylvania electricity bill has increased 20.6% since 2024, and a record 387,000 households faced utility shutoffs in 2025; the House voted to repeal the sales tax exemption, but the legislation died in the Senate. Across the PJM region, data center-driven capacity charges totaled $29.4 billion across the last four base capacity auctions, nearly half of $63.6 billion in total capacity charges during that period. In Lackawanna County alone, at least 11 major data center projects are proposed, including seven in Archbald Borough, population 7,508, with one project proposing 588 backup diesel generators across 14 buildings.

Meta has been publicly identified as the developer behind a nearly 3,000-acre data center campus in Mason County, Kentucky, following an October 13 Mason County Fiscal Court meeting where a community benefits agreement was approved. Under the agreement, Meta will invest $10 billion in the project, generate more than 4,000 construction jobs and 300 long-term positions, and contribute $115 million toward roads, water treatment plants, and pipelines. The county granted Meta a 40-year local property tax break, backed by $800 billion in Industrial Revenue Bonds, with an estimated $10 billion per phase. The site could feature six data center buildings of 718,740 square feet each, three substations, and up to 2.2 gigawatts of power capacity, though a community petition opposing the project had collected 1,429 signatures at the time of reporting.

Residents of Cromwell, Connecticut are organizing against a planned data center campus on a 159-acre site off Geer Street, adjacent to the town's middle school and parks, even though no formal zoning application has yet been submitted. Global Common LLC, a Long Island-based energy services company, has advertised plans for a facility that would deliver up to 300-plus megawatts of IT power at full buildout, powered by fuel cells supplied by natural gas from three Enbridge interstate pipelines; the company says it intends to file for site plan approval in early 2027. A planning and zoning commission voted 5-2 to reject a proposed one-year moratorium on data centers last month, and a community group called Stop Cromwell CT Data Center has been organizing opposition online. Mayor James Demetriades noted that no formal application has been submitted and that any proposal would go through a public hearing process once filed.

Public opposition to data center expansion has grown rapidly enough to become a factor in U.S. midterm elections, with community groups organizing against data centers more than doubling to 833 during the first months of this year, according to research from Data Center Watch. An unnamed Democratic senator is working on new federal legislation to curb data center expansion, and Rep. Suhas Subramanyam has already introduced a four-part federal plan addressing siting, power costs, energy and water measurement, and security. In Ohio, Republican Senator John Husted has softened his support for data centers after polls found a majority of Ohio voters oppose them, while Democrat Sherrod Brown is leading Husted in recent polls after campaigning on opposition to new facilities. Arizona Governor Katie Hobbs enacted a three-year pause on new data center tax breaks in July following constituent pressure, and a Pew Research Center report cited in the article puts the current U.S. data center count at approximately 3,000, with that number potentially doubling in coming years.