ISO New England Outages API

openapi: 3.2.0
info:
  title: ISO New England Web Services API v1.1 Outages API
  version: '1.1'
  description: RESTful interface to ISO New England energy and market data.
  contact:
    name: ISO New England Ask ISO
    url: https://askiso.iso-ne.com/s/
  x-provenance:
    method: derived
    derived_by: API Evangelist enrichment pipeline
    derived_on: '2026-07-27'
    sources:
    - https://webservices.iso-ne.com/docs/v1.1/
    - https://webservices.iso-ne.com/docs/v1.1/ns0.xsd
    - https://webservices.iso-ne.com/docs/v1.1/ns1.xsd
    - https://www.iso-ne.com/participate/support/web-services-data
    not_provider_published: true
    note: Derived from provider-published HTML documentation and XSDs. Not an ISO New England artifact.
servers:
- url: https://webservices.iso-ne.com/api/v1.1
  description: Production base path (HTTP Basic over SSL)
security:
- basicAuth: []
tags:
- name: Outages
  description: 20 path template(s) under /outages in the published ISO New England Web Services API v1.1 documentation.
paths:
  /outages:
    get:
      operationId: getOutages
      summary: Default resource
      description: Default resource. Redirects to outage Info.
      tags:
      - Outages
      responses:
        '200':
          description: Successful response.
          content:
            application/xml:
              schema:
                description: Response payload is not described in the published documentation.
            application/json:
              schema:
                description: Response payload is not described in the published documentation.
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.html
        harvested: '2026-07-27'
  /outages/current/outageType/{outageType}:
    get:
      operationId: getOutagesCurrentOutageTypeByOutageType
      summary: Get the current outages
      description: Get the current outages.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the current outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.current.outageType.outageType.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: outageType
        in: path
        required: true
        schema:
          type: string
  /outages/current/outageType/{outageType}/company/{company}:
    get:
      operationId: getOutagesCurrentOutageTypeByOutageTypeCompanyByCompany
      summary: Get outages for company
      description: Get outages for company.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.current.outageType.outageType.company.company.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: company
        in: path
        required: true
        schema:
          type: string
        description: The company to retrieve data for
  /outages/current/outageType/{outageType}/equipType/{equipType}:
    get:
      operationId: getOutagesCurrentOutageTypeByOutageTypeEquipTypeByEquipType
      summary: Get outages for type
      description: Get outages for type.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.current.outageType.outageType.equipType.equipType.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: equipType
        in: path
        required: true
        schema:
          type: string
        description: The type to retrieve data for
  /outages/current/outageType/{outageType}/flags/{flags}:
    get:
      operationId: getOutagesCurrentOutageTypeByOutageTypeFlagsByFlags
      summary: Get outages for flags
      description: Get outages for flags.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.current.outageType.outageType.flags.flags.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: flags
        in: path
        required: true
        schema:
          type: string
        description: The flags to retrieve data for
  /outages/current/outageType/{outageType}/plannedDay/{plannedDay}:
    get:
      operationId: getOutagesCurrentOutageTypeByOutageTypePlannedDayByPlannedDay
      summary: Get an entire days outages
      description: Get an entire days outages.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.current.outageType.outageType.plannedDay.plannedDay.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: plannedDay
        in: path
        required: true
        schema:
          type: string
  /outages/current/outageType/{outageType}/requestType/{requestType}:
    get:
      operationId: getOutagesCurrentOutageTypeByOutageTypeRequestTypeByRequestType
      summary: Get outages for request
      description: Get outages for request.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.current.outageType.outageType.requestType.requestType.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: requestType
        in: path
        required: true
        schema:
          type: string
        description: The request to retrieve data for
  /outages/current/outageType/{outageType}/station/{station}:
    get:
      operationId: getOutagesCurrentOutageTypeByOutageTypeStationByStation
      summary: Get outages for station
      description: Get outages for station.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.current.outageType.outageType.station.station.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: station
        in: path
        required: true
        schema:
          type: string
        description: The station to retrieve data for
  /outages/current/outageType/{outageType}/status/{status}:
    get:
      operationId: getOutagesCurrentOutageTypeByOutageTypeStatusByStatus
      summary: Get outages for status
      description: Get outages for status.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.current.outageType.outageType.status.status.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: status
        in: path
        required: true
        schema:
          type: string
        description: The status to retrieve data for
  /outages/day/{day}/outageType/{outageType}:
    get:
      operationId: getOutagesDayByDayOutageTypeByOutageType
      summary: Get the current outages
      description: Get the current outages.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the current outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.day.day.outageType.outageType.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: day
        in: path
        required: true
        schema:
          type: string
      - name: outageType
        in: path
        required: true
        schema:
          type: string
  /outages/day/{day}/outageType/{outageType}/company/{company}:
    get:
      operationId: getOutagesDayByDayOutageTypeByOutageTypeCompanyByCompany
      summary: Get outages for company
      description: Get outages for company.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.day.day.outageType.outageType.company.company.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: day
        in: path
        required: true
        schema:
          type: string
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: company
        in: path
        required: true
        schema:
          type: string
        description: The company to retrieve data for
  /outages/day/{day}/outageType/{outageType}/equipType/{equipType}:
    get:
      operationId: getOutagesDayByDayOutageTypeByOutageTypeEquipTypeByEquipType
      summary: Get outages for type
      description: Get outages for type.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.day.day.outageType.outageType.equipType.equipType.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: day
        in: path
        required: true
        schema:
          type: string
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: equipType
        in: path
        required: true
        schema:
          type: string
        description: The type to retrieve data for
  /outages/day/{day}/outageType/{outageType}/flags/{flags}:
    get:
      operationId: getOutagesDayByDayOutageTypeByOutageTypeFlagsByFlags
      summary: Get outages for flags
      description: Get outages for flags.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.day.day.outageType.outageType.flags.flags.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: day
        in: path
        required: true
        schema:
          type: string
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: flags
        in: path
        required: true
        schema:
          type: string
        description: The flags to retrieve data for
  /outages/day/{day}/outageType/{outageType}/plannedDay/{plannedDay}:
    get:
      operationId: getOutagesDayByDayOutageTypeByOutageTypePlannedDayByPlannedDay
      summary: Get an entire days outages
      description: Get an entire days outages.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.day.day.outageType.outageType.plannedDay.plannedDay.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: day
        in: path
        required: true
        schema:
          type: string
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: plannedDay
        in: path
        required: true
        schema:
          type: string
  /outages/day/{day}/outageType/{outageType}/requestType/{requestType}:
    get:
      operationId: getOutagesDayByDayOutageTypeByOutageTypeRequestTypeByRequestType
      summary: Get outages for request
      description: Get outages for request.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.day.day.outageType.outageType.requestType.requestType.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: day
        in: path
        required: true
        schema:
          type: string
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: requestType
        in: path
        required: true
        schema:
          type: string
        description: The request to retrieve data for
  /outages/day/{day}/outageType/{outageType}/station/{station}:
    get:
      operationId: getOutagesDayByDayOutageTypeByOutageTypeStationByStation
      summary: Get outages for station
      description: Get outages for station.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.day.day.outageType.outageType.station.station.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: day
        in: path
        required: true
        schema:
          type: string
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: station
        in: path
        required: true
        schema:
          type: string
        description: The station to retrieve data for
  /outages/day/{day}/outageType/{outageType}/status/{status}:
    get:
      operationId: getOutagesDayByDayOutageTypeByOutageTypeStatusByStatus
      summary: Get outages for status
      description: Get outages for status.
      tags:
      - Outages
      responses:
        '200':
          description: a OutagesElement containing the outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Outages'
            application/json:
              schema:
                $ref: '#/components/schemas/Outages'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.day.day.outageType.outageType.status.status.html
        harvested: '2026-07-27'
      x-xml-element: Outages
      parameters:
      - name: day
        in: path
        required: true
        schema:
          type: string
      - name: outageType
        in: path
        required: true
        schema:
          type: string
      - name: status
        in: path
        required: true
        schema:
          type: string
        description: The status to retrieve data for
  /outages/info:
    get:
      operationId: getOutagesInfo
      summary: Get the Service Info for outages
      description: Get the Service Info for outages.
      tags:
      - Outages
      responses:
        '200':
          description: the ServiceInfoElement for outages.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ServiceInfo'
            application/json:
              schema:
                $ref: '#/components/schemas/ServiceInfo'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.info.html
        harvested: '2026-07-27'
      x-xml-element: ServiceInfo
  /outages/stations:
    get:
      operationId: getOutagesStations
      summary: Get stations
      description: Get stations.
      tags:
      - Outages
      responses:
        '200':
          description: a StationsElement containing the stations.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Stations'
            application/json:
              schema:
                $ref: '#/components/schemas/Stations'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.stations.html
        harvested: '2026-07-27'
      x-xml-element: Stations
  /outages/stations/{stationType}:
    get:
      operationId: getOutagesStationsByStationType
      summary: Get stations
      description: Get stations.
      tags:
      - Outages
      responses:
        '200':
          description: a StationsElement containing the stations.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/Stations'
            application/json:
              schema:
                $ref: '#/components/schemas/Stations'
        '401':
          description: Unauthorized - HTTP Basic credentials from an ISO Express account are required. Verified by anonymous probe on 2026-07-27.
      x-evidence:
        source: https://webservices.iso-ne.com/docs/v1.1/rest.outages.stations.stationType.html
        harvested: '2026-07-27'
      x-xml-element: Stations
      parameters:
      - name: stationType
        in: path
        required: true
        schema:
          type: string
components:
  schemas:
    Station:
      type: object
      properties:
        StationName:
          type: string
        StationType:
          type: string
      required:
      - StationName
      - StationType
      x-xsd-source: schemas/iso-new-england-web-services-ns0.xsd#type_Station
    Outages:
      type: object
      properties:
        Outage:
          type: array
          items:
            $ref: '#/components/schemas/Outage'
      x-xsd-source: schemas/iso-new-england-web-services-ns0.xsd#type_Outages
    ServiceInfo:
      type: object
      properties:
        LatestBeginDate:
          type: string
          format: date-time
        CreationDate:
          type: string
          format: date-time
      required:
      - LatestBeginDate
      - CreationDate
      x-xsd-source: schemas/iso-new-england-web-services-ns0.xsd#type_ServiceInfo
    Stations:
      type: object
      properties:
        Station:
          type: array
          items:
            $ref: '#/components/schemas/Station'
      x-xsd-source: schemas/iso-new-england-web-services-ns0.xsd#type_Stations
    Outage:
      type: object
      properties:
        BeginDate:
          type: string
          format: date-time
        AppNumber:
          type: integer
        Company1:
          type: string
        Company2:
          type: string
        ToStation:
          type: string
        FromStation:
          type: string
        NonLineStation:
          type: string
        EquipType:
          type: string
        EquipDesc:
          type: string
        Volt:
          type: integer
        PlnStart:
          type: string
          format: date-time
        PlnEnd:
          type: string
          format: date-time
        ActStart:
          type: string
          format: date-time
        ActEnd:
          type: string
          format: date-time
        Status:
          type: string
        ReqType:
          type: string
        EcoFlag:
          type: string
          enum:
          - Y
          - N
          - '-'
        MtoFlag:
          type: string
          enum:
          - Y
          - N
          - '-'
        OvrFlag:
          type: string
          enum:
          - Y
          - N
          - '-'
      required:
      - BeginDate
      - AppNumber
      - Company1
      x-xsd-source: schemas/iso-new-england-web-services-ns0.xsd#type_Outage
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic Authentication over SSL. Credentials come from a free, self-serve ISO Express account; ISO New England states that ISO Express account holders are automatically granted access to the public data feeds. See https://www.iso-ne.com/participate/applications-status-changes/access-software-systems