American Transmission Company

Data Center Signal is tracking 21 clips about American Transmission Company data center developments across 1 states, including WI.

21Clips

1States

States

Topics

electricity100%

government100%

opposition38%

legal33%

zoning29%

moratorium14%

environmental10%

announcement10%

water5%

News ClipWisconsin Watch·Mount Pleasant, Racine County, WI

Microsoft, ratepayer advocates challenge ATC plan for data center transmission costs

Microsoft and Wisconsin ratepayer advocates are challenging a proposal by We Energies and American Transmission Company (ATC) to federal regulators regarding the allocation of transmission infrastructure costs for data centers. They argue the plan fails to adequately protect Wisconsinites from bearing the construction expenses, specifically referencing Microsoft's Mount Pleasant data center. ATC anticipates over $500 million in upgrades to connect the Mount Pleasant facility to the electrical grid.

electricity government legal

Microsoft

8/25/2026

News ClipGreater Milwaukee Today·Port Washington, Ozaukee County, WI

‘We will be refiling’: Utility says the need to power data center has not changed

American Transmission Company plans to refile its application for new transmission lines to provide power for an AI data center in Port Washington, Wisconsin. This action highlights the ongoing need for expanded electricity infrastructure to support the data center's operations.

electricity government

8/25/2026

News ClipMilwaukee Journal Sentinel·WI

Finding the right path on data centers means compromise | Letters

This letter discusses the need for compromise in balancing the energy demands of data centers with local quality of life and environmental concerns in Wisconsin. It highlights a Public Service Commission decision to send American Transmission Company back to the drawing board on a major grid project due to data center expansion concerns. The author advocates for smart, sustainable design for data centers rather than a complete moratorium.

electricity opposition moratorium water environmental government

8/25/2026

News ClipMilwaukee Neighborhood News Service·Port Washington, Ozaukee County, WI

Oracle drops lawsuit challenging Wisconsin data center credit rules

Oracle voluntarily dropped its lawsuit challenging Wisconsin's utility regulator over new credit rating requirements for data center developers. These rules, intended to protect ratepayers from financial risks, now stand unchallenged and could serve as a blueprint for other areas. The Port Washington data center project, co-developed by Oracle, OpenAI, and Vantage, continues to face challenges, including delays in transmission line approvals.

legal electricity government

Oracle OpenAI Vantage

8/23/2026

News ClipUrban Milwaukee·Port Washington, Ozaukee County, WI

Oracle Drops Lawsuit Opposing Wisconsin Data Center Credit Rules

Oracle has voluntarily dropped its lawsuit against Wisconsin's utility regulator, the Public Service Commission (PSC), over new credit rating requirements for data center developers. These rules require companies with lower credit ratings to post substantial collateral to cover electricity costs, intended to protect ratepayers from potential insolvency risks. The decision allows the PSC's credit rating standards, which Oracle had argued were overly stringent, to remain in place unchallenged.

legal electricity government

Oracle OpenAI Vantage

8/17/2026

News ClipWisconsin Watch·Port Washington, Ozaukee County, WI

Wisconsin regulators send ATC back to the drawing board on data center connection project

The Wisconsin Public Service Commission has required the American Transmission Company (ATC) to restart its application process for connecting the Port Washington data center to the electrical grid. This decision, prompted by ATC's repeated design adjustments, aims for a clearer understanding of the more than $1 billion infrastructure project. ATC warned this move could deter energy sector investment in Wisconsin.

electricity government

8/7/2026

News ClipWLUK·Port Washington, Ozaukee County, WI

Port Washington AI data center dealt massive blow

The Public Service Commission of Wisconsin revoked the completeness determination for American Transmission Company's (ATC) application to construct power lines for a large AI data center in Port Washington. This decision, prompted by significant changes to ATC's application, halts the regulatory process and requires ATC to restart it. Public hearings for the project have been cancelled.

electricity government

8/7/2026

News Clip2:38TMJ4 News·Ozaukee County, WI

Residents fight against data center power lines

Residents in Ozaukee County, Wisconsin, continue to fight against a proposed 1.4 billion dollar power line project intended for the Port Washington Data Center Campus. Over 2,500 citizens have submitted comments to the Wisconsin Public Service Commission (PSC), demanding the approval process be restarted due to significant changes in the proposal.

electricity opposition government

8/6/2026

News ClipMilwaukee Neighborhood News Service·Port Washington, Ozaukee County, WI

ATC asks feds to reopen bidding for Wisconsin transmission project

American Transmission Company (ATC) has asked the Federal Energy Regulatory Commission (FERC) to intervene in a dispute over a major transmission project in eastern Wisconsin. The project, initially awarded to Viridon, is crucial for connecting a large data center campus in Port Washington to the grid by late 2027. ATC's appeal challenges the competitive bidding process, seeking to either redo the bidding or be awarded the full project to ensure timely grid connection for the data center.

electricity government zoning legal

7/20/2026

News ClipWisconsin Watch·Port Washington, Ozaukee County, WI

Fight over who expands Wisconsin’s power grid heads to Washington

American Transmission Company (ATC) has requested federal intervention from the Federal Energy Regulatory Commission (FERC) to challenge a decision by the Midcontinent Independent Systems Operator (MISO). The dispute concerns a major transmission project awarded to a competitor, and it is directly linked to plans to connect a large data center campus in Port Washington, Wisconsin, to the power grid.

electricity government legal

7/15/2026

News ClipWisconsin Watch·WI

Wisconsin lawmakers oppose utility push to pause competition for power line projects

Twelve Republican lawmakers in Wisconsin are urging the Federal Energy Regulatory Commission to reject a utility coalition's request to pause competitive bidding for major electrical transmission projects in the Midwest. Lawmakers argue competition benefits ratepayers with lower costs, while utilities claim it slows down critical upgrades needed for the data center boom. This debate highlights the tension between consumer protection and the rapid infrastructure demands of the AI and data center industry.

electricity government

6/2/2026

News ClipThe Monroe Times·WI

Wis. regulators: Data centers must cover full cost of their energy needs

The Wisconsin Public Service Commission (PSC) has approved a new payment structure requiring large data centers to fully cover the costs of the electricity generation and fuel they consume. This decision aims to prevent existing customers from subsidizing data center energy needs and sets a significant precedent for utility regulation in the state, impacting facilities like those from Vantage and Microsoft.

electricity government

Vantage Microsoft

4/28/2026

News ClipMilwaukee Journal Sentinel·Mount Pleasant, Racine County, WI

Regulators boost customer protections in We Energies data center rate

Utility regulators approved We Energies' special electric rate for large data centers after making significant changes to protect existing customers. The Public Service Commission's modifications ensure that data centers, including projects by Microsoft and Vantage, will cover the costs of new power generation and transmission infrastructure. This decision aims to prevent existing ratepayers from subsidizing data center energy demands.

electricity government

Microsoft Vantage

4/28/2026

News ClipMilwaukee Journal Sentinel·WI

Data centers might cost us now, but they could pay off later | Opinion

This opinion piece from American Transmission Company (ATC) defends the use of Construction Work in Progress (CWIP) for financing new transmission projects to serve data centers in Wisconsin. It argues that while consumers may pay upfront, CWIP ultimately leads to lower rates over time compared to other financing methods. ATC emphasizes that data centers will cover their allocated construction costs and that the infrastructure build-out will benefit all consumers in the state.

electricity government

4/17/2026

News ClipVernonReporter·WI

Wisconsin utilities seek federal pause on grid bidding amid AI-driven power demand

A coalition of Wisconsin electrical utilities has filed a complaint with the Federal Energy Regulatory Commission (FERC), seeking a pause on competitive bidding for transmission projects. They argue that current bidding processes cause delays in building crucial infrastructure for AI-driven data center power demand. Ratepayer advocacy groups oppose the move, warning it could lead to higher electricity bills.

electricity government opposition announcement legal moratorium

Meta Vantage

4/10/2026

News ClipWisconsin Watch·WI

Utilities seek federal pause on grid bidding amid AI-driven power demand

A coalition of utilities, including Xcel Energy and American Transmission Company, has asked the Federal Energy Regulatory Commission (FERC) to pause competitive bidding for transmission projects, arguing that delays hinder the infrastructure needed for AI and data centers. Ratepayer advocacy groups, such as the Wisconsin Citizens Utility Board, oppose this, warning it could lead to higher electricity bills for consumers.

electricity government opposition

4/10/2026

News ClipPBS Wisconsin·Port Washington, Ozaukee County, WI

Competition intensifies over who builds Wisconsin's electricity grid as data centers drive demand

The Midcontinent Independent System Operator (MISO) reversed its decision, assigning a crucial substation project in eastern Wisconsin to American Transmission Company (ATC) instead of Viridon. This decision is critical for powering a new Port Washington data center by its 2027 deadline, amidst ongoing disputes over competitive bidding and who will bear the costs for extensive grid upgrades to serve the region's data center boom.

electricity government zoning opposition

3/30/2026

News ClipE&E News by POLITICO·Janesville, Rock County, WI

No one wanted to redevelop this polluted property. Then came AI.

A Colorado-based firm, Viridian Partners, proposes an $8 billion, 800 MW data center campus on a former General Motors brownfield site in Janesville, Wisconsin. The project, supported by city officials as a redevelopment opportunity, faces local opposition due to environmental concerns, electricity demands, and worries about economic dependency. A ballot initiative to stop the project will be presented to voters in November.

zoning opposition environmental electricity government moratorium

3/30/2026

News ClipMilwaukee Neighborhood News Service·Port Washington, Ozaukee County, WI

As data centers surge, competition grows over who builds Wisconsin’s grid

The Midwest's grid operator, MISO, reversed its decision, reassigning a key eastern Wisconsin transmission project from Blackstone-backed Viridon to American Transmission Company (ATC). This change aims to ensure substations are built in time for a new Port Washington data center, expected online by early 2028. The decision has implications for Wisconsin ratepayers, who may bear a larger share of the $1.3 billion buildout cost for the data center's power supply.

electricity government announcement zoning

3/29/2026

News ClipUrban Milwaukee·Port Washington, Ozaukee County, WI

Who Will Build Wisconsin’s Grid for New Data Centers?

A dispute has emerged over who will build the critical electrical transmission infrastructure needed for a new Vantage Data Centers facility in Port Washington, Wisconsin, and other data centers in the Midwest. The regional grid operator, MISO, reversed its decision, reassigning substation projects from Viridon (backed by Blackstone) to American Transmission Company (ATC) due to urgency. This is part of a larger debate about competitive bidding versus local monopolies and who ultimately pays for these significant grid upgrades.

electricity government zoning opposition

3/25/2026