Skip to content

Enum: PowerPlantStatusEnum

Operational status of nuclear power plants

URI: valuesets:PowerPlantStatusEnum

Permissible Values

Value Title Meaning Description Activities Commercial Operation Construction Phase Decommissioning Decommissioning Phase Dismantlement Status Duration Fuel Loading Fuel Removal Licensing Status Operational Status Power Generation Radioactive Cleanup Radioactive Materials Return To Service Shutdown Duration Shutdown Reason Site Condition Site Restoration Testing Phase Work Scope
UNDER_CONSTRUCTION Under Construction Plant currently being built not yet started civil and mechanical work ongoing construction permit issued
COMMISSIONING Commissioning Plant undergoing testing before commercial operation not yet achieved may have occurred systems testing and startup
COMMERCIAL_OPERATION Commercial Operation Plant operating commercially for electricity generation operating license active fully operational commercial electricity production
REFUELING_OUTAGE Refueling Outage Plant temporarily shut down for fuel replacement and maintenance fuel replacement, maintenance, inspection typically 30-60 days scheduled refueling
EXTENDED_OUTAGE Extended Outage Plant shut down for extended period for major work planned months to years major modifications or repairs
PERMANENTLY_SHUTDOWN Permanently Shutdown Plant permanently ceased operation may be planned or ongoing may be ongoing or completed permanently ceased
DECOMMISSIONING Decommissioning Plant undergoing dismantlement active dismantlement ongoing planned
DECOMMISSIONED Decommissioned Plant completely dismantled and site restored completed removed restored for unrestricted use

Slots

Name Description
power_plant_status Operational status of nuclear power plant

Identifier and Mapping Information

Schema Source

  • from schema: https://w3id.org/linkml/valuesets

LinkML Source

name: PowerPlantStatusEnum
instantiates:
- valuesets_meta:ValueSetEnumDefinition
description: Operational status of nuclear power plants
title: Power Plant Status
from_schema: https://w3id.org/linkml/valuesets
contributors:
- orcid:0000-0002-6601-2165
- https://github.com/anthropics/claude-code
status: DRAFT
rank: 1000
permissible_values:
  UNDER_CONSTRUCTION:
    text: UNDER_CONSTRUCTION
    description: Plant currently being built
    annotations:
      construction_phase:
        tag: construction_phase
        value: civil and mechanical work ongoing
      licensing_status:
        tag: licensing_status
        value: construction permit issued
      commercial_operation:
        tag: commercial_operation
        value: not yet started
    title: Under Construction
  COMMISSIONING:
    text: COMMISSIONING
    description: Plant undergoing testing before commercial operation
    annotations:
      testing_phase:
        tag: testing_phase
        value: systems testing and startup
      fuel_loading:
        tag: fuel_loading
        value: may have occurred
      commercial_operation:
        tag: commercial_operation
        value: not yet achieved
    title: Commissioning
  COMMERCIAL_OPERATION:
    text: COMMERCIAL_OPERATION
    description: Plant operating commercially for electricity generation
    annotations:
      operational_status:
        tag: operational_status
        value: fully operational
      power_generation:
        tag: power_generation
        value: commercial electricity production
      licensing_status:
        tag: licensing_status
        value: operating license active
    title: Commercial Operation
  REFUELING_OUTAGE:
    text: REFUELING_OUTAGE
    description: Plant temporarily shut down for fuel replacement and maintenance
    annotations:
      shutdown_reason:
        tag: shutdown_reason
        value: scheduled refueling
      duration:
        tag: duration
        value: typically 30-60 days
      activities:
        tag: activities
        value: fuel replacement, maintenance, inspection
    title: Refueling Outage
  EXTENDED_OUTAGE:
    text: EXTENDED_OUTAGE
    description: Plant shut down for extended period for major work
    annotations:
      shutdown_duration:
        tag: shutdown_duration
        value: months to years
      work_scope:
        tag: work_scope
        value: major modifications or repairs
      return_to_service:
        tag: return_to_service
        value: planned
    title: Extended Outage
  PERMANENTLY_SHUTDOWN:
    text: PERMANENTLY_SHUTDOWN
    description: Plant permanently ceased operation
    annotations:
      operational_status:
        tag: operational_status
        value: permanently ceased
      fuel_removal:
        tag: fuel_removal
        value: may be ongoing or completed
      decommissioning:
        tag: decommissioning
        value: may be planned or ongoing
    title: Permanently Shutdown
  DECOMMISSIONING:
    text: DECOMMISSIONING
    description: Plant undergoing dismantlement
    annotations:
      decommissioning_phase:
        tag: decommissioning_phase
        value: active dismantlement
      radioactive_cleanup:
        tag: radioactive_cleanup
        value: ongoing
      site_restoration:
        tag: site_restoration
        value: planned
    title: Decommissioning
  DECOMMISSIONED:
    text: DECOMMISSIONED
    description: Plant completely dismantled and site restored
    annotations:
      dismantlement_status:
        tag: dismantlement_status
        value: completed
      site_condition:
        tag: site_condition
        value: restored for unrestricted use
      radioactive_materials:
        tag: radioactive_materials
        value: removed
    title: Decommissioned