Distributed Generation SP Distribution Heat Maps- SPD Primary Substations

Attachments

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Dataset schema

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Substation Name
Substation name.

No description available for this field.

Name (identifier)
substation_name
Type
text
Sample
                       
Nominal Voltage (kV)
Refers to the voltage ratio of the transformers feeding the substation or substation group.

No description available for this field.

Name (identifier)
nominal_voltage_kv
Type
decimal
Sample
                       
Grid Supply Point
The unique name of the Grid Supply Point (GSP) a substation is within.

No description available for this field.

Name (identifier)
grid_supply_point
Type
text
Sample
                       
Firm Capacity (MVA)
The firm capacity for load fed from the substation or substation group.

No description available for this field.

Name (identifier)
firm_capacity_mva
Type
text
Sample
                       
Maximum Load (MVA)
The indicative level of maximum demand in this network group. The "Network Flow: Power, Current and Embedded Generation" dataset, available via our Open Data Portal, details historically measured average and reactive power flows, current and provides indicative demand/generation output for each Grid and Primary network group for our SPM and SPD licence areas, for each half-hourly period.

No description available for this field.

Name (identifier)
maximum_load_mva
Type
text
Sample
                       
Minimum Load (MVA)
The indicative level of minimum demand in this network group. The "Network Flow: Power, Current and Embedded Generation" dataset, available via our Open Data Portal,  details historically measured average and reactive power flows, current and provides indicative demand/generation output for each Grid and Primary network group for our SPM and SPD licence areas, for each half-hourly period.

No description available for this field.

Name (identifier)
minimum_load_mva
Type
text
Sample
                       
Generation Connected (MW)
Sum of all generation currently connected in the group (i.e. does not include any generation that is included in "Group Generation Contracted (MW)").

No description available for this field.

Name (identifier)
generation_connected_mw
Type
decimal
Sample
                       
Generation Contracted (MW)
Sum of all generation currently contracted to the group which is not yet connected (i.e. does not include any generation that is included in "Group Generation Connected (MW)").

No description available for this field.

Name (identifier)
generation_contracted_mw
Type
decimal
Sample
                       
Overall Category
This indicates the overall classification given to the substation, or substation group, based on the set of constraints studied.

No description available for this field.

Name (identifier)
overall_category
Type
text
Sample
                       
33kV Generation Capacity
This indicates the classification given to the substation, or substation group, based on 33kV network contraints.

No description available for this field.

Name (identifier)
33kv_generation_capacity
Type
text
Sample
                       
HV Generation Capacity
This indicates the classification given to the substation, or substation group, based on the available HV thermal headroom for connections.

No description available for this field.

Name (identifier)
hv_generation_capacity
Type
text
Sample
                       
HV Reverse Power Flow
This indicates the classification given to the substation, or substation group, based on the reverse power flow capability of the transformers within the group. 

When generation exceeds the local demand on a primary substation, the excess power carries through the primary transformers to the upstream network for use elsewhere on the system. However, depending on the condition of the assets and tap changer capability the actual level of reverse power flow may be restricted to as low as 0% of the transformer rating. If the reverse power flow capability of a substation is 0% then the maximum distributed generation that can be connected to the substation is only the local demand served by it; as the additional power cannot be transferred upstream.

No description available for this field.

Name (identifier)
hv_reverse_power_flow
Type
text
Sample
                       
33kV Fault Level
This indicates the classification given to the substation, or substation group, based on the available 33kV fault level headroom for connections.

No description available for this field.

Name (identifier)
33kv_fault_level
Type
text
Sample
                       
HV Wider Constraints
This indicates the classification given to the substation, or substation group, based on any known wider HV network constraints.

No description available for this field.

Name (identifier)
hv_wider_constraints
Type
text
Sample
                       
District
A geographic split of each of our licence areas. Our SPD licence area is geographically split into 6 districts and our SPM licence area is geographically split into 5 districts. For further information please refer to: Our Distribution Network - SP Energy Networks.

No description available for this field.

Name (identifier)
district
Type
text
Sample
                       
X
Easting.

No description available for this field.

Name (identifier)
x
Type
decimal
Sample
                       
Y
Northing. 

No description available for this field.

Name (identifier)
y
Type
decimal
Sample
                       

JSON Schema

The following JSON object is a standardized description of your dataset's schema. More about JSON schema.

{
  • "title":"distributed-generation-sp-distribution-heat-maps-spd-primary-substations",
  • "type":"object",
  • "oneOf":
    [
    • {
      • "$ref":"#/definitions/distributed-generation-sp-distribution-heat-maps-spd-primary-substations"
      }
    ]
    ,
  • "definitions":
    {
    • "distributed-generation-sp-distribution-heat-maps-spd-primary-substations":
      {
      • "properties":
        {
        • "records":
          {
          • "type":"array",
          • "items":
            {
            • "$ref":"#/definitions/distributed-generation-sp-distribution-heat-maps-spd-primary-substations_records"
            }
          }
        }
      }
      ,
    • "distributed-generation-sp-distribution-heat-maps-spd-primary-substations_records":
      {
      • "properties":
        {
        • "fields":
          {
          • "type":"object",
          • "properties":
            {
            • "substation_name":
              {
              • "type":"string",
              • "title":"Substation Name",
              • "description":"Substation name."
              }
              ,
            • "nominal_voltage_kv":
              {
              • "type":"number",
              • "title":"Nominal Voltage (kV)",
              • "description":"Refers to the voltage ratio of the transformers feeding the substation or substation group."
              }
              ,
            • "grid_supply_point":
              {
              • "type":"string",
              • "title":"Grid Supply Point",
              • "description":"The unique name of the Grid Supply Point (GSP) a substation is within."
              }
              ,
            • "firm_capacity_mva":
              {
              • "type":"string",
              • "title":"Firm Capacity (MVA)",
              • "description":"The firm capacity for load fed from the substation or substation group."
              }
              ,
            • "maximum_load_mva":
              {
              • "type":"string",
              • "title":"Maximum Load (MVA)",
              • "description":"The indicative level of maximum demand in this network group. The "Network Flow: Power, Current and Embedded Generation" dataset, available via our Open Data Portal, details historically measured average and reactive power flows, current and provides indicative demand/generation output for each Grid and Primary network group for our SPM and SPD licence areas, for each half-hourly period."
              }
              ,
            • "minimum_load_mva":
              {
              • "type":"string",
              • "title":"Minimum Load (MVA)",
              • "description":"The indicative level of minimum demand in this network group. The "Network Flow: Power, Current and Embedded Generation" dataset, available via our Open Data Portal, details historically measured average and reactive power flows, current and provides indicative demand/generation output for each Grid and Primary network group for our SPM and SPD licence areas, for each half-hourly period."
              }
              ,
            • "generation_connected_mw":
              {
              • "type":"number",
              • "title":"Generation Connected (MW)",
              • "description":"Sum of all generation currently connected in the group (i.e. does not include any generation that is included in "Group Generation Contracted (MW)")."
              }
              ,
            • "generation_contracted_mw":
              {
              • "type":"number",
              • "title":"Generation Contracted (MW)",
              • "description":"Sum of all generation currently contracted to the group which is not yet connected (i.e. does not include any generation that is included in "Group Generation Connected (MW)")."
              }
              ,
            • "overall_category":
              {
              • "type":"string",
              • "title":"Overall Category",
              • "description":"This indicates the overall classification given to the substation, or substation group, based on the set of constraints studied."
              }
              ,
            • "33kv_generation_capacity":
              {
              • "type":"string",
              • "title":"33kV Generation Capacity",
              • "description":"This indicates the classification given to the substation, or substation group, based on 33kV network contraints."
              }
              ,
            • "hv_generation_capacity":
              {
              • "type":"string",
              • "title":"HV Generation Capacity",
              • "description":"This indicates the classification given to the substation, or substation group, based on the available HV thermal headroom for connections."
              }
              ,
            • "hv_reverse_power_flow":
              {
              • "type":"string",
              • "title":"HV Reverse Power Flow",
              • "description":"This indicates the classification given to the substation, or substation group, based on the reverse power flow capability of the transformers within the group. When generation exceeds the local demand on a primary substation, the excess power carries through the primary transformers to the upstream network for use elsewhere on the system. However, depending on the condition of the assets and tap changer capability the actual level of reverse power flow may be restricted to as low as 0% of the transformer rating. If the reverse power flow capability of a substation is 0% then the maximum distributed generation that can be connected to the substation is only the local demand served by it; as the additional power cannot be transferred upstream."
              }
              ,
            • "33kv_fault_level":
              {
              • "type":"string",
              • "title":"33kV Fault Level",
              • "description":"This indicates the classification given to the substation, or substation group, based on the available 33kV fault level headroom for connections."
              }
              ,
            • "hv_wider_constraints":
              {
              • "type":"string",
              • "title":"HV Wider Constraints",
              • "description":"This indicates the classification given to the substation, or substation group, based on any known wider HV network constraints."
              }
              ,
            • "district":
              {
              • "type":"string",
              • "title":"District",
              • "description":"A geographic split of each of our licence areas. Our SPD licence area is geographically split into 6 districts and our SPM licence area is geographically split into 5 districts. For further information please refer to: Our Distribution Network - SP Energy Networks."
              }
              ,
            • "x":
              {
              • "type":"number",
              • "title":"X",
              • "description":"Easting."
              }
              ,
            • "y":
              {
              • "type":"number",
              • "title":"Y",
              • "description":"Northing. "
              }
            }
          }
        }
      }
    }
}

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