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Field notes

This is the section that surprises people most: an AI database where half the records are about electricity. It isn't a detour — power is now the industry's binding constraint, and the deals here (20-year nuclear contracts, restarted reactors) will outlive every chip on this site.

Start with these three

Crane Clean Energy Center (Three Mile Island Unit 1) Three Mile Island, restarted for Microsoft — the deal that defined the nuclear turn. PN Palisades Nuclear Plant The restart that actually happened first. Proof the playbook works. Homer City Energy Campus A demolished coal giant reborn as a 4.5 GW gas-for-AI plan — the biggest of its kind.

Power projects & plants

10
CC Crane Clean Energy Center (Three Mile Island Unit 1) The restart that defined AI's nuclear turn — 835 MW, all of it for Microsoft. Pennsylvania Restart under way PN Palisades Nuclear Plant The first shut US reactor ever returned to service — October 2025. Michigan Operating (restarted) Clinton Clean Energy Center Meta's 20-year deal that saved an Illinois reactor. Illinois Operating Diablo Canyon California's last reactors, extended for the AI decade. California Operating Duane Arnold Energy Center Iowa's shut reactor, next in the restart queue for ~2029. Iowa Restart planned HC Homer City Energy Campus A demolished coal giant reborn as a 4.5 GW gas-powered AI campus plan. Pennsylvania Announced KH Kairos Hermes / Google Fleet The first Gen IV construction permits in the US — and Google's 500 MW order. Tennessee Under construction (demo) Susquehanna Steam Electric Station The reactor with a data center at the fence line — AWS's landmark arrangement. Pennsylvania Operating TN TerraPower Natrium (Kemmerer) The most advanced new-reactor site in America, on a retiring coal town. Wyoming Under construction Vogtle Units 3 & 4 America's newest reactors — the hard-won template for building big again. Georgia Operating

Generation & grid technologies

6
NP Nuclear Power Carbon-free, always-on — the power source AI money is resurrecting. GT Gas Turbines The fastest firm megawatts money can buy — now sold out for years. SM Small Modular Reactors (SMRs) Factory-built reactors sized for campuses — promised for ~2030. FC Fuel Cells On-site generation without combustion permits — Bloom's bridge product. GI Grid Interconnection & Transformers The multi-year queue between a finished building and its first watt. S+ Solar + Storage The fastest new generation on Earth — with batteries stretching it into the evening.

Utilities & generators

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CE Constellation Energy America's largest nuclear fleet — restarting Three Mile Island for Microsoft. CEG AE American Electric Power Ohio's transmission giant handling the New Albany AI corridor. AEP BT BWX Technologies The nuclear component manufacturer every reactor program runs through. BWXT DE Dominion Energy The utility of Data Center Alley — more AI load than anywhere on Earth. D DE Duke Energy Southeast utility signing AI campuses across the Carolinas. DUK EN Entergy Louisiana's utility powering Meta's Hyperion with new gas turbines. ETR HI Holtec International The company that did the 'impossible': restarting the Palisades reactor. KP Kairos Power Google's SMR partner: molten-salt-cooled reactors, 500 MW by 2035. NE NRG Energy Texas retail-and-generation player building gas plants with GE Vernova for data centers. NRG NE NextEra Energy The renewables superpower selling speed-to-power to data centers. NEE NP NuScale Power The only SMR design with US NRC approval — still awaiting its first order build. SMR OK Oklo Fast-reactor startup, long chaired by Sam Altman, targeting data-center power. OKLO Sempra (Oncor) Owner of Oncor, the Texas wires company fielding a 100+ GW interconnection queue. SRE SC Southern Company Owner of Vogtle — America's newest big reactors — amid Georgia's data-center boom. SO TE Talen Energy Susquehanna nuclear next to an AWS campus — the original co-location deal. TLN TE TerraPower Bill Gates's Natrium reactor, under construction in Wyoming. US Department of Energy The public sector's compute and power heavyweight: exascale labs, loans, reactors. VI Vistra Texas's merchant power giant — nuclear, gas and batteries into ERCOT. VST WE Westinghouse The AP1000 builder positioned for a US large-reactor revival. XE X-energy Amazon-backed high-temperature gas reactor developer.

Electrical equipment

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GV GE Vernova America's turbine and grid champion — sold out of gas turbines into the 2030s. GEV EA Eaton Switchgear, UPS and busway — the electrical spine of every data hall. ETN SE Siemens Energy Gas turbines and grid equipment — order books stretched by AI power demand. ENR.DE AB ABB Swiss electrification giant supplying medium-voltage gear to hyperscale sites. ABBNY BE Bloom Energy Fuel cells as bridge power for grid-constrained AI sites. BE Caterpillar Gensets and gas engines — plus the machines digging the sites. CAT Cummins Backup generators — every hall's insurance policy. CMI DE Delta Electronics Power supplies and cooling for a huge share of the world's AI racks. 2308.TW HE Hitachi Energy The world's largest transformer maker — the grid's longest lead-time item. 6501.T Infineon Power semiconductors from grid to GPU — partner on NVIDIA's 800V architecture. IFX.DE MH Mitsubishi Heavy Industries The third member of the gas-turbine oligopoly feeding AI campuses. 7011.T MP Monolithic Power Systems The voltage regulators feeding each GPU its thousand amps. MPWR NS Navitas Semiconductor GaN power chips named into NVIDIA's next-gen power designs. NVTS Rolls-Royce Backup power today, small modular reactors tomorrow. RR.L SE Schneider Electric Power distribution plus cooling (Motivair) — a full data-center electrical stack. SU.PA ON onsemi Silicon-carbide and power chips pushing into data-center supply units. ON