Curtailment Events Site Specific

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Our Curtailment Events Site Specific dataset shows specific instances where power generation in our Yorkshire licence area was reduced during the RIIO-ED2 period. The reductions were triggered by Northern Powergrid include operational or protection measures, managing planned outages, and related adjustments before and after outages.

Each row in the dataset represents a single event where power generation was reduced. It includes the start and end times, the estimated total amount of energy reduced, the average reduction in access, the reason for the reduction and the related Grid Supply Point (GSP). The total energy reduction is estimated based on recent operational history.

If you are unsure of any of the column meanings, please hover over the column heading for a description.

Related Feature Pages

Regional Demand and Generation Tracker - Our Regional Demand and Generation Tracker provides near real time data for the generation mix of our network over the last 30 days.

Glossary of Terms

Our Glossary dataset provides definitions for various terms and acronyms found throughout our data. If the term you are searching for isn't in our list, please let us know via our Open Data team and we will get it added!

Data Governance

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Pièces jointes

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Curtailment events site specific Open Data Methodology March 2025.pdf

Modèle de données

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Customer Unique Identifier

Unique customer ID for anonymised reporting.

Aucune description n'est disponible pour ce champ.

Nom (identifiant)	customer_unique_identifier
Type	texte
Exemple

Event ID

Event ID.

Aucune description n'est disponible pour ce champ.

Nom (identifiant)	event_id
Type	texte
Exemple

Site

Northern Powergrid operational site.

Aucune description n'est disponible pour ce champ.

Nom (identifiant)	scheme_name
Type	texte
Exemple

Start time UTC

Event start time (UTC).

Aucune description n'est disponible pour ce champ.

Nom (identifiant)	start_time_utc
Type	décimal
Exemple

Start time Local

Event start time (local).

Aucune description n'est disponible pour ce champ.

Nom (identifiant)	start_time_local
Type	datetime
Exemple

End time UTC

Event end time (UTC).

Aucune description n'est disponible pour ce champ.

Nom (identifiant)	end_time_utc
Type	décimal
Exemple

End time Local

Event end time (local).

Aucune description n'est disponible pour ce champ.

Nom (identifiant)	end_time_local
Type	datetime
Exemple

Duration (hours)

Length of event (hours).

Aucune description n'est disponible pour ce champ.

Nom (identifiant)	duration_hours
Type	décimal
Exemple

Outage related curtailment-Total energy reduction (MWh)

Total energy reduction (MWh) during event.

Aucune description n'est disponible pour ce champ.

Nom (identifiant)	outage_related_curtailment_total_energy_reduction_mwh
Type	décimal
Unité	MWh
Exemple

Average access reduction (MW)

Average event reduction (MW).

Aucune description n'est disponible pour ce champ.

Nom (identifiant)	average_access_reduction_mw
Type	décimal
Unité	MW
Exemple

Reason For curtailment

Reason for curtailment event.

Aucune description n'est disponible pour ce champ.

Nom (identifiant)	reason_for_curtailment
Type	texte
Exemple

Schéma JSON

L'objet JSON ci dessous est une description standardisée du modèle de votre jeu de données. Pour en savoir plus sur JSON schema.

{

"title":"curtailment-events-site-specific@northernpowergrid",
"type":"object",
"oneOf":
[
- {
  - "$ref":"#/definitions/curtailment-events-site-specific@northernpowergrid"
  }
]
,
"definitions":
{
- "curtailment-events-site-specific@northernpowergrid":
  {
  - "properties":
    {
    "records":
    {
    "type":"array",
    "items":
    {
    "$ref":"#/definitions/curtailment-events-site-specific@northernpowergrid_records"
    }
    }
    }
  }
  ,
- "curtailment-events-site-specific@northernpowergrid_records":
  {
  - "properties":
    {
    "fields":
    {
    "type":"object",
    "properties":
    {
    "customer_unique_identifier":
    {
    "type":"string",
    "title":"Customer Unique Identifier",
    "description":"Unique customer ID for anonymised reporting."
    }
    ,
    "event_id":
    {
    "type":"string",
    "title":"Event ID",
    "description":"Event ID."
    }
    ,
    "scheme_name":
    {
    "type":"string",
    "title":"Site",
    "description":"Northern Powergrid operational site."
    }
    ,
    "start_time_utc":
    {
    "type":"number",
    "title":"Start time UTC",
    "description":"Event start time (UTC)."
    }
    ,
    "start_time_local":
    {
    "type":"string",
    "format":"date-time",
    "title":"Start time Local",
    "description":"Event start time (local)."
    }
    ,
    "end_time_utc":
    {
    "type":"number",
    "title":"End time UTC",
    "description":"Event end time (UTC)."
    }
    ,
    "end_time_local":
    {
    "type":"string",
    "format":"date-time",
    "title":"End time Local",
    "description":"Event end time (local)."
    }
    ,
    "duration_hours":
    {
    "type":"number",
    "title":"Duration (hours)",
    "description":"Length of event (hours)."
    }
    ,
    "outage_related_curtailment_total_energy_reduction_mwh":
    {
    "type":"number",
    "title":"Outage related curtailment-Total energy reduction (MWh)",
    "description":"Total energy reduction (MWh) during event.",
    "unit":"MWh"
    }
    ,
    "average_access_reduction_mw":
    {
    "type":"number",
    "title":"Average access reduction (MW)",
    "description":"Average event reduction (MW).",
    "unit":"MW"
    }
    ,
    "reason_for_curtailment":
    {
    "type":"string",
    "title":"Reason For curtailment",
    "description":"Reason for curtailment event."
    }
    }
    }
    }
  }
}

}

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