U.S. Energy Information Administration
EIA FAQ: How many nuclear power plants are in the United States?
EIA's answer to how many nuclear power plants and reactors operate in the United States and where, with the largest and smallest plants and their nameplate and net summer generating capacity in megawatts, as of the month the answer names. Net summer capacity is the most a plant can supply to the grid in summer conditions, after its own use; nameplate capacity is the generators' rated output.
Numbers published from it
Licence and credit
- What the terms say
“U.S. government publications are in the public domain and are not subject to copyright protection. You may use and/or distribute any of our data, files, databases, reports, graphs, charts, and other information products that are on our website or that you receive through our email distribution service.”
From the producer's terms, checked 2026-10-08; re-checked automatically every week.
- Credit we give
- Source: U.S. Energy Information Administration (Mar 2026), FAQ "How many nuclear power plants are in the United States, and where are they located?"
- Copy of the raw file
- Allowed: we keep a public copy of every version we use.
- Cite as
- Source: U.S. Energy Information Administration (Mar 2026).
Files
The FAQ page. Its answer opens "As of March 2026, the United States had 94 operating commercial nuclear power reactors at 54 power plants" and lists the Alvin W. Vogtle Electric Generating Plant in Georgia as the largest, with four reactors, a total nameplate capacity of about 4,658 MW and a total net summer capacity of 4,530 MW.
https://www.eia.gov/tools/faqs/faq.php?id=207&t=3
Status
- Programme
- EIA revises the answer when its plant inventory changes; the version read on 2026-10-08 is dated March 2026. EIA lost more than 100 of its about 350 staff in 2025.
- Updates
- Irregular (revised when EIA's generator inventory changes)
- Last check
- Fetched (2026-10-25T10:11:42Z)