TerraWatt

Data Center Signal is tracking 15 clips about TerraWatt data center developments across 3 states, including MO, IL, PA.

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15Clips
3States

States

Topics

government93%
environmental87%
opposition80%
electricity80%
zoning73%
legal47%
water40%
announcement33%
Alton Steel Inc. site proposed for redevelopment as data center campus
News ClipRiver County News·Alton, Madison County, IL

Alton Steel Inc. site proposed for redevelopment as data center campus

Alton Steel Inc. and TerraWatt are exploring the purchase and redevelopment of the former Alton Steel property in Alton, Illinois, as a data center campus. No permit or zoning application has been filed, and the city plans to hire consultants to evaluate the proposal's economic, environmental, water, energy, noise and traffic impacts.

10/22/2026
News ClipFirst Alert 4·Alton, Madison County, IL

As a plan seeks to turn the Alton Steel site into a data center, residents weigh in

TerraWatt is seeking to buy and redevelop the former 381-acre Alton Steel site in Alton, Illinois, into a data center campus. Residents are divided, with some supporting redevelopment and investment while others raise concerns about water use, electricity demand, noise, environmental impacts and rezoning; the sale and required city approvals remain pending.

10/22/2026
Data centers drive huge power plant buildout in Ameren Missouri 20-year plan
News ClipSTLPR·St. Louis, St. Louis City County, MO

Data centers drive huge power plant buildout in Ameren Missouri 20-year plan

Ameren Missouri has released a 20-year plan to significantly expand power plant construction, primarily natural gas, to meet the surging electricity demand driven by data center development. The utility's new Integrated Resource Plan omits previous goals for net-zero carbon emissions, sparking criticism from environmental advocates. The proposal is currently under review by the Missouri Public Service Commission and is facing organized opposition.

9/30/2026
St. Louis data center developers promise game-changing tax revenue. City officials want to make sure
News ClipSTLPR·St. Louis, St. Louis City County, MO

St. Louis data center developers promise game-changing tax revenue. City officials want to make sure

St. Louis city officials plan to fine data center developer TerraWatt if its Midtown project, near the historic Armory building, fails to meet promised tax revenue and job creation targets. This accountability is part of a newly agreed-upon community benefit agreement. The project faces lawsuits from both TerraWatt, which claims city requirements are excessive, and anti-data center groups seeking to halt development.

9/29/2026
News ClipMorrisons Cove Herald·Taylor, Blair County, PA

Appvion Property Under Evaluation for Potential Data Center Construction

TerraWatt LLC is evaluating a former Appvion papermill property in Taylor Township, Blair County, Pennsylvania, for a potential data center development. Taylor Township officials are proactively updating their Land Development Ordinance to include specific regulations for data centers, addressing concerns like buffers, noise, and water usage. This is an early stage, with no official plans submitted yet, but the township aims to finalize zoning changes soon.

9/25/2026
How data center noise is different from regular noise pollution, according to a St. Louis scientist
News ClipSTLPR·St. Louis, St. Louis City County, MO

How data center noise is different from regular noise pollution, according to a St. Louis scientist

A St. Louis scientist explains that data center noise is a unique low-frequency pollution, traveling further and impacting human health more severely than other urban sounds. She raises concerns about a proposed Armory Data Center project in Midtown, St. Louis, citing health risks for nearby residents and facilities. While the city has passed new noise regulations for data centers, the scientist argues they are insufficient and do not apply to the already-approved Armory project.

9/24/2026
Midtown Data Center Site Faces $2.4M Tax Sale
News Clipstl.news·St. Louis, St. Louis City County, MO

Midtown Data Center Site Faces $2.4M Tax Sale

A proposed multi-billion dollar data center in Midtown St. Louis, the Armory Innovation Data Center, faces an Oct. 6 land-tax sale due to over $2.4 million in unpaid taxes, which could halt its permitting process. The project, already approved for a conditional-use permit with numerous requirements, is also facing legal challenges from its developer against the city and lawsuits from environmental groups and residents. The city has recently enacted a new ordinance establishing citywide zoning and operating standards for data centers, influenced by this project.

9/23/2026
Data center developer sues city after requiring company to supply renewable energy on-site
News ClipThe Independent·St. Louis, St. Louis City County, MO

Data center developer sues city after requiring company to supply renewable energy on-site

Data center developer TerraWatt has sued the St. Louis Board of Adjustment, claiming the board illegally required the company to supply renewable energy on-site for its proposed $3.1 billion data center. The lawsuit also contests the board's requirement for aldermen to approve a community benefits agreement. Meanwhile, local residents and environmental groups continue to voice opposition to the project over concerns about water usage, air quality, and utility costs.

9/17/2026
Developer behind controversial data center near Armory sues St. Louis
News ClipSTLPR·St. Louis, St. Louis City County, MO

Developer behind controversial data center near Armory sues St. Louis

TerraWatt, the developer of a proposed $3.1 billion data center in St. Louis, is suing the city over two allegedly illegal conditions imposed on its conditional use permit: renewable energy requirements and a community benefits agreement clause. The developer claims these conditions are beyond the Board of Adjustment's authority and practically impossible to meet. Separately, the Missouri Coalition for the Environment and other plaintiffs are also suing the city and developer over the project's use permit.

9/17/2026
St. Louis OKs plan for Midtown data center estimated to generate $445M in tax revenue over 10 years
News ClipSTLPR·St. Louis, St. Louis City County, MO

St. Louis OKs plan for Midtown data center estimated to generate $445M in tax revenue over 10 years

St. Louis development officials have approved a community benefit plan with TerraWatt for a $3 billion data center campus in Midtown, projected to generate significant tax revenue. Despite this, opponents have filed a lawsuit to halt the project. New city-wide zoning rules for data centers are also awaiting the mayor's signature, though they will not apply to this specific project.

9/15/2026
St. Louis could get $8.3 million from Armory data center by spring
News ClipSTLtoday.com·St. Louis, St. Louis City County, MO

St. Louis could get $8.3 million from Armory data center by spring$

St. Louis is expected to receive $8.3 million as early as next spring from a data center project proposed for the Armory site. A city development board is anticipated to approve a benefits deal with TerraWatt, pending the submission and approval of the first building permit. An Ameren Missouri electric substation is already located adjacent to the site.

9/14/2026
St. Louis becomes the latest battleground in fight over data centers
News ClipCBS News·St. Louis, St. Louis City County, MO

St. Louis becomes the latest battleground in fight over data centers

St. Louis has become a battleground over a proposed data center development by TerraWatt, which plans to convert a million square feet of warehouse space. A lawsuit was filed by local residents, including a Saint Louis University biologist, expressing concerns about noise, water and electricity use, and a lack of environmental impact assessments.

9/1/2026
City of St. Louis approves permit for Armory Innovation Data Center project
News ClipThe Labor Tribune·St. Louis, St. Louis City County, MO

City of St. Louis approves permit for Armory Innovation Data Center project

The City of St. Louis Board of Public Service unanimously approved a conditional use permit for the 120-megawatt Armory Innovation Data Center project. The approval comes with significant conditions to address community concerns regarding noise, sustainability, and resource use, as well as a robust community benefits agreement. The project is expected to create union jobs and generate substantial tax revenue for the city and public schools.

4/30/2026
Unions speak in favor of Armory data center project
News ClipThe Labor Tribune·St. Louis, St. Louis City County, MO

Unions speak in favor of Armory data center project

Unions are strongly supporting a proposed $3 billion Armory Innovation District in Midtown St. Louis, which includes a 120-megawatt data center. Developers are seeking a conditional use permit for the project, which is expected to create over 1,000 union construction jobs and significant tax revenue. The city's Board of Adjustment will vote on the permit after a lengthy public hearing.

3/26/2026