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NRC Reactor License Applications & Amendments Tracker

Every NRC licence amendment request, issued amendment and new-reactor application notice since 2000, with the licensee's licensing contact, its attorney's mailing address and the NRC project manager's phone.

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Output fields

Authoritative field set from the dataset schema.

FieldType
record_typestring|null
licenseestring|null
facilitystring|null
docket_numbersarray|null
statestring|null
countystring|null
statesarray|null
application_datestring|null
supplement_datesarray|null
issued_datestring|null
effective_datestring|null
effective_date_textstring|null
amendment_numbersstring|null
license_numbersarray|null
actionstring|null
notice_actionstring|null
descriptionstring|null
proposed_determinationstring|null
public_comments_receivedstring|null
key_datesstring|null
comments_close_onstring|null
licensee_contact_namestring|null
licensee_contact_titlestring|null
licensee_contact_phonestring|null
licensee_contact_emailstring|null
licensee_contact_sourcestring|null
attorney_namestring|null
attorney_organizationstring|null
attorney_mailing_addressstring|null
attorney_citystring|null
attorney_statestring|null
attorney_zipstring|null
attorneystring|null
nrc_contact_namestring|null
nrc_contact_rolestring|null
nrc_contact_phonestring|null
nrc_contact_emailstring|null
nrc_contactsarray|null
adams_accession_numbersarray|null
nrc_docket_idsarray|null
fr_document_numberstring|null
fr_publication_datestring|null
fr_titlestring|null
source_urlstring|null
lookupstring|null
noticestring|null
notice_typestring|null

Sample row

{
  "record_type": "amendment_request",
  "licensee": "Constellation Energy Generation, LLC",
  "facility": "Calvert Cliffs Nuclear Power Plant, Units 1 and 2",
  "docket_numbers": [
    "50-317",
    "50-318"
  ],
  "state": "MD",
  "county": "Calvert County",
  "application_date": "2026-09-29",
  "description": "The proposed amendments would update the applicability of the Reactor Protective System Rate of Change of Power-High (RCPH) trip function...",
  "proposed_determination": "NSHC",
  "licensee_contact_name": "Adam Donell",
  "licensee_contact_phone": "267-533-5156",
  "licensee_contact_source": "ML26272A139",
  "attorney_name": "Jason Zorn",
  "attorney_organization": "Managing Counsel, Constellation Energy Generation, LLC",
  "attorney_mailing_address": "4300 Winfield Road, Warrenville, IL 60555",
  "attorney_city": "Warrenville",
  "attorney_state": "IL",
  "attorney_zip": "60555",
  "nrc_contact_name": "Scott Wall",
  "nrc_contact_role": "NRC Project Manager",
  "nrc_contact_phone": "301-415-2855",
  "adams_accession_numbers": [
    "ML26272A139"
  ],
  "fr_document_number": "2026-21832",
  "fr_publication_date": "2026-10-27",
  "source_url": "https://www.federalregister.gov/documents/2026/10/27/2026-21832/biweekly-notice-applications-and-amendments-to-facility-operating-licenses-and-combined-licenses"
}

Inputs

FieldTypeReqDefaultDescription
mode string no "export" export: every licensing record published in a date range, filtered by record type, state, company and keyword. lookup: the full history of the docket numbers, plants or companies you list (all years since 2000 unless you set dates).
lookups array no [] One per line: a docket number (50-317, 05000317, 52-047), a pre-application project number (99902137), a plant name (Calvert Cliffs) or a company name (Constellation Energy, TerraPower).
lookup string no — One docket number, plant or company, for saved tasks and API calls that send a single value. Use Lookups above for several.
recordTypes array no [] Which records to return. Empty means all three. One per line: amendment_request (a licensee asked to amend an operating reactor's licence); amendment_issued (the NRC issued an amendment); new_reactor (construction permit, combined licence, early site permit and limited work authorization notices, hearings and decisions).
lastDays integer no 90 Records published in the Federal Register in the last N days. Empty: the last 90 days in export mode, all years (since 2000) in lookup mode. 0 means all years. Ignored when a 'From' date is set.
dateFrom string no — YYYY-MM-DD, inclusive, by Federal Register publication date. The Federal Register's full text starts in 2000. Overrides 'Last N days'.
dateTo string no — YYYY-MM-DD, inclusive. Empty means up to today.
states array no [] Keep only plants in these states (two-letter code or name, e.g. IL or Illinois). Empty means every state.
state string no — One state, for saved tasks and API calls that send a single value.
companies array no [] Keep only records whose licensee, applicant or plant name contains one of these (e.g. Constellation, Dominion, Vogtle).
keywords array no [] Keep only records whose description contains one of these words (e.g. steam generator, cyber security, power uprate, emergency plan).
includeLicenseeContact boolean no true For amendment requests and new-reactor notices, read the application's cover letter in the NRC's ADAMS library and add the person the licensee named for questions (name, phone or email). Costs nothing extra; turning it off makes large runs faster.
maxResults integer no 200 Cap for the run in export mode, and for EACH lookup in lookup mode. Records come newest first.

Pricing

Pay per result (record) — no charge for empty runs.
Example: 1000 licensing records at $0.005/result ≈ $5.00.

FAQ

What is covered?

Every entry in the NRC's biweekly (earlier monthly) Federal Register notices of licence amendment requests and issued amendments for nuclear power reactors, from 2000 (where the Federal Register's full text starts) to the latest notice, plus the NRC's new-reactor notices: construction permit, combined licence, early site permit and limited work authorization applications, their hearings and decisions. Measured on 2026-11-01, the last 365 days held 387 records: 190 amendment requests, 170 issued amendments and 27 new-reactor notices.

Where do the contacts come from, and how often is there one?

Three places. The licensee's own contact (the person named for questions in the application's cover letter) comes from that letter's text in the NRC's ADAMS library; in the 365-day export on 2026-11-01 it was found for 137 of 190 amendment requests (72%) and 19 of 27 new-reactor notices, mostly a name and direct phone, sometimes an email. The attorney's name and mailing address are printed in the notice (176 of 190 requests). The NRC project manager's name and phone are in the notice (184 of 190); new-reactor notices give NRC staff with email. Issued amendments carry no contacts.

How does lookup mode work?

List docket numbers (50-317, 05000317, 52-047), pre-application project numbers (99902137), plant names (Calvert Cliffs) or company names (TerraPower). Each one returns its records from every year since 2000 unless you set dates. On 2026-11-01, docket 50-317 returned 213 amendment records from 1998 to 2026 and Clinch River returned TVA's early site permit and construction permit notices from 2017 to 2026.

Do repeated notices show up twice?

An amendment request that the NRC re-publishes in a later notice is returned once per run. New-reactor notices are returned per notice, so a limited work authorization notice the NRC publishes four weeks running appears four times, each with its own Federal Register number and date.

How fresh is it?

Each run reads the Federal Register as it stands, so the newest biweekly notice is in the next run. A saved task with 'Last N days' set to 14 picks up each new notice.

How am I charged?

$0.005 per licensing record. The licensee's contact from ADAMS costs nothing extra. Free rows (input to fix, no match, a source that did not answer, a stopped run) are never charged. 'Maximum records' caps the run (and each lookup).

Guides & use cases