Tennessee Data Center News

Apr 23, 2026

“Colossus Failure”: Elon Musk’s Data Centers Face Lawsuit for Polluting Black Neighborhoods in Memphis

The NAACP has sued Elon Musk’s xAI, accusing the company of operating over two dozen unpermitted methane gas turbines to power its Colossus I and Colossus II data centers in Memphis, allegedly violating the Clean Air Act.

Lawsuit details & immediate action: The NAACP lawsuit alleges xAI is operating over two dozen methane gas-burning turbines without legal permits, powering Colossus I and Colossus II, and emitting nitrogen dioxide, formaldehyde and other toxic chemicals; activists say the turbines generate enough power to power over half a million homes and are running without permits under the Clean Air Act.
Background & local context: Memphis Community Against Pollution (MCAP) and executive director KeShaun Pearson describe the project as environmental racism concentrated in southwest Memphis; xAI purchased a former Electrolux factory site previously subsidized by local government, and advocacy groups (NAACP, Southern Environmental Law Center, Earthjustice, Safe and Sound Coalition) are coordinating legal and community responses. Maine’s recent statewide data center moratorium is cited as a related policy precedent.

Apr 23, 2026

Kairos breaks ground on Hermes 2

The US-based Kairos Power has broken ground on the Hermes 2 Demonstration Plant in Oak Ridge, Tennessee.

Groundbreaking announced and project scope: Kairos Power announced the Hermes 2 groundbreaking; Hermes 2 is a two-unit demonstration plant (35MWt each) that will supply up to 50MW-electrical to the TVA grid under Kairos Power’s deal with Google. The NRC issued a construction permit for Hermes 2 in November 2024, and Hermes 1 (non-power 35MWt test reactor) had first concrete poured in May 2025. This announcement is a new, on-site groundbreaking event and confirms ongoing construction activity at the Oak Ridge demonstration campus.
Construction, fabrication and timeline details:Barnard Construction Company is the general contractor; reactor equipment modules will be fabricated at Kairos Power’s Manufacturing Development Campus in Albuquerque and shipped to Oak Ridge. Hermes 2 will use modular construction (precast concrete) and a seismically isolated foundation, will be built on the former K-33 site (land acquired in 2021), and is the immediate precursor to planned 188MWt commercial plants starting in 2030. ETU testing milestones: ETU 1.0 molten salt testing in Albuquerque; ETU 2.0 installed in 2025; ETU 3.0 installed in Oak Ridge in July 2025.

Apr 22, 2026

Kairos Power Breaks Ground On Hermes 2 Demonstration Plant In Tennessee

Kairos Power has broken ground on its Hermes 2 Demonstration Plant in Oak Ridge, Tennessee.

Main announcement: Kairos Power has started construction on Hermes 2, its first commercial-scale fluoride salt-cooled high-temperature reactor (KP-FHR) and the first Generation IV reactor to receive a US NRC construction permit; the plant is intended to supply up to 50 MW of electricity to the TVA grid to help decarbonise Google data centres in Tennessee and Alabama.
Background and details: Hermes 2 follows the Hermes Low-Power Demonstration Reactor (Hermes 1), for which nuclear construction began at the same site last year; the project builds on Triso fuel and Flibe molten fluoride salt coolant technologies, and is positioned to advance technology, licensing, supply chain, and construction certainty for future Kairos deployments.

Apr 22, 2026

How to secure philanthropic funding in a competitive climate

Nature reports on trends in philanthropic funding for scientific research and provides guidance for applicants.

Main finding: The article outlines that philanthropic foundations (for example, the Simons Foundation, Wellcome, the Novo Nordisk Foundation and the Sloan Foundation) are increasingly important funders of basic and applied research; key quantitative details include a rise in philanthropic share of US university and nonprofit research funding from 10% to 16% (1980–2023) and a fall in federal share from 66% to 50%. It also cites specific grants and endowments such as US$1 million (Sloan award for data-centre study) and more than US$1.4 million (Sloan award on methane flaring research).
Context and guidance: This is a journalistic analysis and guidance piece (not a single institutional announcement). It summarises foundation priorities (e.g., Novo Nordisk Foundation: health, sustainability, local life-science ecosystem; Wellcome: climate and health, infectious diseases, mental health, discovery research) and offers practical advice for applicants, including geographic preferences (around 35% of grants and 49% of funds go to recipients in the donor’s same state) and changing success rates (Wellcome funded 16.6% of open-scheme applicants in 2024–25, down from 22.3% the previous year).

Apr 20, 2026

BYOP Moves to the Center of Data Center Strategy

Data Center Frontier analyzes the growing adoption of “bring your own power” (BYOP) strategies by data center developers and hyperscalers.

Main finding: BYOP (onsite natural gas, modular fuel cells, co-located plants, and future advanced nuclear) is being adopted to accelerate energization, reduce grid-related costs, and close the time-to-power gap; modeling from Camus, Encoord, and Princeton’s ZERO Lab suggests a 500 MW data center using a hybrid approach could reach full operation 3–5 years faster and reduce grid-related costs by roughly $78 million per GW.
Context and examples: Live projects and corporate moves illustrate implementation: Crusoe + Engine No. 1 JV expected to draw on roughly 4.5 GW; Crusoe ordered 29 LM2500XPRESS units (~1 GW); Meta El Paso includes 366 MW behind-the-meter gas; xAI received approval for 41 turbines (1.2 GW) in Mississippi. The article documents permitting, equipment orders, turbine backlog pressures (GE Vernova ~80 GW backlog), and regulatory/community scrutiny (El Paso, Memphis/Southaven, PJM).

Apr 20, 2026

NAACP Sues Elon Musk’s xAI Over Alleged Pollution From Southern Data Centers

The NAACP has filed a lawsuit in Mississippi federal court accusing Elon Musk’s xAI of operating unpermitted methane gas turbines at its Colossus and Colossus II data centers, alleging violations of the Clean Air Act and seeking to stop turbine operations and impose penalties.

Main action:NAACP filed suit (April 14) in Mississippi federal court against xAI over the Colossus and Colossus II data centers; the complaint alleges operation of dozens of methane gas turbines without permits and seeks to halt turbine use and impose financial penalties and require installation of the “best available control technology” if operations continue.
Background/details: The facilities serve xAI’s chatbot technology and are located near the Tennessee–Mississippi border (notably Memphis and Southaven); the complaint cites emissions of nitrogen oxides and formaldehyde, persistent noise complaints, and alleges violations of the Clean Air Act; the article cites reporting from The Guardian and Futurism.

Apr 19, 2026

Prichard Mayor says she talked to potential new developer about noise, traffic, and environmental impact concerns

Prichard Mayor Carletta Davis said she met with Edged Energy to review a proposed data center development in the City of Prichard.

Main announcement: The City hosted a Community Meeting (April 7, 2026) where Edged Energy introduced plans for a proposed data center representing an estimated $93 million investment, potentially bringing approximately 20 jobs with salaries exceeding $70,000 per year; the Mayor emphasized careful evaluation balancing community impact, economic opportunity, and long-term sustainability.
Background and details: Meeting attendees discussed noise, traffic, and environmental impact (especially water usage); Edged Energy said facilities are designed to operate quietly (“comparable to a normal conversation”), are typically sited in industrial areas, use advanced technology to reduce strain on local resources, and committed to transparency and ongoing community engagement.

Apr 16, 2026

Industry Leaders Urge Congress to Boost Chip Policy to Win AI Race Against China

Industry experts urged Congress to adopt policies to boost domestic semiconductor manufacturing, R&D, permitting reform, and tariff exemptions to better compete with China.

Main announcement: During a House Subcommittee on Commerce, Manufacturing, and Trade hearing (reported April 16, 2026), four industry experts testified urging Congress to pass policies to expand chip production, increase semiconductor R&D, extend tax credits, create tariff exemptions for semiconductor manufacturing equipment, and enact permitting reform to speed construction of semiconductor fabs and data centers. Key proponents include Jason Oxman (ITI), Jason Grebe (Intel), Asad Ramzanali (Vanderbilt University), and Representatives Gus Bilirakis, Darren Soto, Kathy Castor, and Yvette Clarke.
Background and details: The article references the CHIPS and Science Act (2022) which provided more than $50 billion in manufacturing incentives, warns of funding cuts and staff layoffs at the CHIPS program and the National Semiconductor Technology Center, notes the advanced manufacturing tax credit is slated to expire at the end of this year, and cites concerns about reliance on foreign supply chains (notably Taiwan) and slower U.S. approvals for specialty chemicals compared with Taiwan, Korea, and Japan.

Apr 14, 2026

NAACP lawsuit accuses Elon Musk’s xAI of polluting Black neighborhoods near Memphis

The NAACP has filed a lawsuit in Mississippi federal court against Elon Musk’s xAI seeking to stop operation of unpermitted methane gas turbines powering xAI’s datacenters.

Main announcement: The NAACP, represented by the Southern Environmental Law Center and Earthjustice, filed suit alleging violations of the Clean Air Act by xAI for operating up to 27 gas turbines in Southaven, Mississippi that power datacenters in south Memphis (including the Colossus/Colossus II facilities, the latter occupying 1m sq ft). The suit seeks injunctive relief, civil penalties and fees and was filed in Mississippi federal court (filed on a Tuesday as reported).
Background and details: xAI responded that “the temporary power generation units are operating in compliance with all applicable laws”; community groups and local politicians (including Justin Pearson and Memphis mayor Paul Young) have opposed the rapid deployment of generators after xAI announced Colossus in 2024. The Southern Environmental Law Center says the turbines can emit tons of nitrogen oxides per year and toxic chemicals like formaldehyde; aerial photos previously showed at least 18 generators 122 days after the facility was announced, with numbers increasing by April of the following year. Local appeals were made to the county air pollution control board over permitting and ozone standard concerns.

Apr 14, 2026

States are Struggling to Meet Their Clean Energy Goals. Data Centers are to Blame

NV Energy warns it will need three times the electricity required to power Las Vegas to serve proposed data centers and may have to rely on fossil fuels, putting Nevada’s 50% renewable-by-2030 target at risk.

NV Energy warning & actions: NV Energy (which provides electricity to 90% of the state) says it will need three times the electricity required to power Las Vegas to handle proposed data centers and that it “probably can’t do that without fossil fuels.” The utility will require companies to fund their own infrastructure and sign contracts ensuring commitment before energy is built, and it plans to publish a report with more specifics by the end of the month. The situation mirrors broader industry moves (e.g., utilities delaying coal retirements or building gas plants; NextEra Energy dropped its zero-emissions-by-2045 goal citing the “demand for all forms of power generation”).
Background & related details: Some operators like Switch say they run on renewables and have built 1 gigawatt of solar and can self-supply at peak demand; environmental groups warn proposed centers would deploy hundreds of diesel backup generators that could worsen air quality and raise concerns about noise, water supply, and energy bills. Nevada’s volunteer funding model (companies fund clean energy development and count it toward corporate goals) produced a geothermal plant with Google as a partner; lawmakers are debating making such funding mandatory and the Public Utilities Commission may fine or grant exemptions if clean energy goals aren’t met.

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