AI Power
The Signal's coverage of AI Power stocks — sharp analysis on earnings, contracts, and market-moving catalysts.

Nvidia Just Admitted the AI Bottleneck Isn't Chips — It's Electricity
Nvidia's 15%+ price hikes on AI hardware and its new stake in data-center power developer Cloverleaf Infrastructure point to the same conclusion: the AI buildou...

Power, Explained: The Real Reason Your AI Data Center Can't Plug In
The most expensive part of an AI data center isn't the chips anymore. It's getting someone to turn the lights on. Front-of-the-meter vs behind-the-meter, and wh...

Oklo's Moat Isn't the Reactor. It's the Fuel Cycle, the Licensing Wall, and Hyperscalers Who Can't Wait.
Oklo has spent six years grinding through the hardest licensing gauntlet in US energy and emerged with a triple-stacked moat: a first-mover position under the D...

From Retirement Path to AI Backbone
Vistra signed the largest corporate-backed nuclear uprate deal in U.S. history, stacked a pending $4.7B gas acquisition on top, and printed record Q2 EBITDA — w...

Riot Platforms Just Became an AI Landlord. The Market Still Isn't Buying It.
Riot has stacked nearly $10 billion in contracted data-center revenue in six months, anchored by a lease with a frontier AI lab that Bloomberg reports is Anthro...

Eaton Is the AI Trade's Toll Collector — and the Grid-to-Chip Moat Just Got Wider
Eaton reported a record second quarter with $8.5 billion in sales, data-center organic revenue up 65%, and electrical backlog up 43% — fresh proof that the AI b...

Constellation Energy Delivers a Beat-and-Raise — and the Free Cash Flow Inflection Is Finally Here
Constellation Energy beat Q2 2026 estimates with $2.55 adjusted EPS, raised full-year guidance to $11.50–$12.50, and quantified the free cash flow inflection th...

Caterpillar's Record Quarter Just Proved the AI Buildout Is a Dirt-and-Diesel Story
Caterpillar reported a record Q2: $20.5 billion in revenue, an adjusted EPS of $8.17 versus the $6.25 estimate, raised full-year revenue growth guidance, and a ...

When the AI Infrastructure Trade Cracks: 2 Overhyped 'Deals' to Avoid — And 2 Long-Term Growth Steals to Buy on the Dip
Not every AI infrastructure stock on sale is a bargain. Low-margin server assemblers and stretched cooling plays carry hidden downside traps — while nuclear uti...

Oracle's AI Infrastructure Bet Is a Leveraged Gamble — and the Market Knows It
Oracle spent $55.7 billion on capex in FY2026 — more than 80% of its own revenue. Total debt sits at $167 billion. Free cash flow is negative $23.7 billion. The...

Vistra's Nuclear Bet with Meta Looks Like the Trade of the Year at 28% Off the High
Vistra Corp has signed the largest corporate nuclear uprate agreement in U.S. history with Meta — a 20-year, 2,609 MW deal that positions the utility as a linch...

Constellation Energy Has the Nuclear Fleet AI Data Centers Are Desperate For
America's largest nuclear operator, Constellation Energy controls 25% of domestic nuclear capacity with a 32GW fleet. Between the Three Mile Island restart with...

Vertiv Is the Most Important AI Stock You've Never Heard Of
While everyone obsesses over which GPU maker wins the AI race, Vertiv quietly sells the picks and shovels every data center needs — power distribution, thermal ...

The AI Power Play Wall Street Is Still Sleeping On
Vistra Corp (VST) is the overlooked middle ground in the AI power race — nuclear baseload from the Energy Harbor acquisition, a massive gas fleet for peaking, 5...

Eaton Announced Its Q2 Date Today — And the Stock Just Gave You an Entry
Eaton Corporation announced Q2 2026 earnings for July 31, sending a signal to investors watching the AI infrastructure buildout. The stock sits at $401.55 — dow...

Four Energy Stocks Feeding the AI Beast — The Only Power Trade That Matters Right Now
The AI infrastructure buildout is an energy crisis disguised as a computing boom. With hyperscalers guiding to $710B+ in combined 2026 CapEx, the companies gett...

The Power Behind the Prompt
GE Vernova holds a $163B backlog, controls ~30% of global gas turbine supply, and is sold out through 2030 — all while AI data centers scramble for power. With ...

Eaton — The Invisible $155 Billion Monopoly Powering Every AI Data Center on Earth
Eaton Corporation is the only company on earth that covers the full power delivery chain — utility grid to chip-level distribution — making it a structural bott...

The $280 Billion Bottleneck Nobody's Talking About — GE Vernova Is the Grid Behind the AI Boom
GE Vernova makes the gas turbines, transformers, and switchgear that AI data centers physically cannot run without. Orders are up 71%, the electrification backl...

Microsoft, Meta, And Walmart Just Bet Everything On Nuclear. The Stock Is Down 36%.
Three of the biggest companies in the world — Microsoft, Meta, Walmart — just signed long-term nuclear deals with Constellation Energy. The first retired nuclea...

Half the AI Data Center Budget Goes to Cooling. Vertiv Just Proved It Owns the Lane.
Vertiv's $15B backlog, Nvidia Vera Rubin lock-in, and 50% EPS growth make VRT the overlooked AI infrastructure king. Up 200% in a year with a first-ever dividen...