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Substation · 33 kV · primary

Purfleet Grid 33kV

UK Power Networks · United Kingdom

Latest published values

10 served · 0 withheld

Each row is what the operator’s latest published dataset reports for one combination of direction, technology, measure, firmness and horizon. Hosting-capacity figures are indicative and reflect what operators publish. They are not a connection offer; only the operator can confirm capacity for a specific request.

Latest published capacity values, one row per series
DirectionTechnologyMeasureValueFirmnessHorizonSource date
InjectionGeneration (any)Available103.8 MVAFirmNow (snapshot)1 Mar 2025
InjectionGeneration (any)Available114.3 MVAUnknownNow (snapshot)variant: reverse_power_flow1 Mar 2025
InjectionGeneration (any)Total243.7 MVAFirmNow (snapshot)1 Mar 2025
InjectionGeneration (any)Total114.3 MVAFirmNow (snapshot)variant: reverse_power_flow1 Mar 2025
OfftakeLoad (any)Available23.5 MVAFirmNow (snapshot)1 Mar 2025
OfftakeLoad (any)Contracted30 MVAUnknownpast_connection_activityvariant: connection_offers_accepted1 Mar 2025
OfftakeLoad (any)Contracted1Unknownpast_connection_activityvariant: connection_offers_accepted_count1 Mar 2025
OfftakeLoad (any)Requested36.6 MVAUnknownpast_connection_activityvariant: connection_offers_made1 Mar 2025
OfftakeLoad (any)Requested1Unknownpast_connection_activityvariant: connection_offers_made_count1 Mar 2025
OfftakeLoad (any)Total114.3 MVAFirmNow (snapshot)1 Mar 2025

UK Power Networks, Long Term Development Statement (LTDS) Capacity Heatmap, https://ukpowernetworks.opendatasoft.com/explore/dataset/ukpn-capacity-heatmap/ (last updated 2025-03-01)

What each value means

Methodology, both clocks, provenance and rights

Injection · Generation (any) · Available

103.8 MVA

Published in MVA; no MW figure is derived from it.

Granted

The operator's latest published dataset reports 103.8 MVA under methodology gb_ukpn_ltds_heatmap_2026.

Firmness
Firm
Horizon
Now (snapshot)
Methodology
gb_ukpn_ltds_heatmap_2026UKPN LTDS Capacity Heatmap: headroom from the Network Scenario Headroom Reportbasis operator calculated · network state n minus 1 · comparability class gb_ukpn_ltds_heatmapNot additive across assets. The method accounts for reserved: not stated · allocated: not stated · pre-reserved: not stated · pending requests: not stated
Operator’s date
1 Mar 2025
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ukpn_ltds_heatmaprecord 5b53e008-3d5e-54d3-ab90-1a69ff6d8d57 · payload sha256 57926b63b91d…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: UK Power Networks, Long Term Development Statement (LTDS) Capacity Heatmap, https://ukpowernetworks.opendatasoft.com/explore/dataset/ukpn-capacity-heatmap/ (last updated 2025-03-01)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: limiting factor
Thermal
Operator note: rag
GREEN
Operator note: rag colour
green
Operator note: source field
generationAvailableCapacity

Injection · Generation (any) · Available

114.3 MVA

Published in MVA; no MW figure is derived from it.

Granted

The operator's latest published dataset reports 114.3 MVA under methodology gb_ukpn_ltds_heatmap_2026.

Firmness
Unknown
Horizon
Now (snapshot) · variant: reverse_power_flow
Methodology
gb_ukpn_ltds_heatmap_2026UKPN LTDS Capacity Heatmap: headroom from the Network Scenario Headroom Reportbasis operator calculated · network state n minus 1 · comparability class gb_ukpn_ltds_heatmapNot additive across assets. The method accounts for reserved: not stated · allocated: not stated · pre-reserved: not stated · pending requests: not stated
Operator’s date
1 Mar 2025
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ukpn_ltds_heatmaprecord 5b53e008-3d5e-54d3-ab90-1a69ff6d8d57 · payload sha256 57926b63b91d…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: UK Power Networks, Long Term Development Statement (LTDS) Capacity Heatmap, https://ukpowernetworks.opendatasoft.com/explore/dataset/ukpn-capacity-heatmap/ (last updated 2025-03-01)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: equals published total
reversePowerFlowTotalCapacity
Operator note: source field
reversePowerFlowAvailableCapacity

Injection · Generation (any) · Total

243.7 MVA

Published in MVA; no MW figure is derived from it.

Granted

The operator's latest published dataset reports 243.7 MVA under methodology gb_ukpn_ltds_heatmap_2026.

Firmness
Firm
Horizon
Now (snapshot)
Methodology
gb_ukpn_ltds_heatmap_2026UKPN LTDS Capacity Heatmap: headroom from the Network Scenario Headroom Reportbasis operator calculated · network state n minus 1 · comparability class gb_ukpn_ltds_heatmapNot additive across assets. The method accounts for reserved: not stated · allocated: not stated · pre-reserved: not stated · pending requests: not stated
Operator’s date
1 Mar 2025
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ukpn_ltds_heatmaprecord 5b53e008-3d5e-54d3-ab90-1a69ff6d8d57 · payload sha256 57926b63b91d…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: UK Power Networks, Long Term Development Statement (LTDS) Capacity Heatmap, https://ukpowernetworks.opendatasoft.com/explore/dataset/ukpn-capacity-heatmap/ (last updated 2025-03-01)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
generationFirmCapacity

Injection · Generation (any) · Total

114.3 MVA

Published in MVA; no MW figure is derived from it.

Granted

The operator's latest published dataset reports 114.3 MVA under methodology gb_ukpn_ltds_heatmap_2026.

Firmness
Firm
Horizon
Now (snapshot) · variant: reverse_power_flow
Methodology
gb_ukpn_ltds_heatmap_2026UKPN LTDS Capacity Heatmap: headroom from the Network Scenario Headroom Reportbasis operator calculated · network state n minus 1 · comparability class gb_ukpn_ltds_heatmapNot additive across assets. The method accounts for reserved: not stated · allocated: not stated · pre-reserved: not stated · pending requests: not stated
Operator’s date
1 Mar 2025
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ukpn_ltds_heatmaprecord 5b53e008-3d5e-54d3-ab90-1a69ff6d8d57 · payload sha256 57926b63b91d…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: UK Power Networks, Long Term Development Statement (LTDS) Capacity Heatmap, https://ukpowernetworks.opendatasoft.com/explore/dataset/ukpn-capacity-heatmap/ (last updated 2025-03-01)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
reversePowerFlowTotalCapacity

Offtake · Load (any) · Available

23.5 MVA

Published in MVA; no MW figure is derived from it.

Granted

The operator's latest published dataset reports 23.5 MVA under methodology gb_ukpn_ltds_heatmap_2026.

Firmness
Firm
Horizon
Now (snapshot)
Methodology
gb_ukpn_ltds_heatmap_2026UKPN LTDS Capacity Heatmap: headroom from the Network Scenario Headroom Reportbasis operator calculated · network state n minus 1 · comparability class gb_ukpn_ltds_heatmapNot additive across assets. The method accounts for reserved: not stated · allocated: not stated · pre-reserved: not stated · pending requests: not stated
Operator’s date
1 Mar 2025
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ukpn_ltds_heatmaprecord 5b53e008-3d5e-54d3-ab90-1a69ff6d8d57 · payload sha256 57926b63b91d…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: UK Power Networks, Long Term Development Statement (LTDS) Capacity Heatmap, https://ukpowernetworks.opendatasoft.com/explore/dataset/ukpn-capacity-heatmap/ (last updated 2025-03-01)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: limiting factor
Thermal
Operator note: rag
GREEN
Operator note: rag colour
green
Operator note: source field
demandAvailableCapacity

Offtake · Load (any) · Contracted

30 MVA

Published in MVA; no MW figure is derived from it.

Granted

The operator's latest published dataset reports 30 MVA under methodology gb_ukpn_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: connection_offers_accepted
Methodology
gb_ukpn_ltds_heatmap_activity_2026UKPN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ukpn_connection_activityNot additive across assets. The method accounts for reserved: not stated · allocated: not stated · pre-reserved: not stated · pending requests: not stated
Operator’s date
1 Mar 2025
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ukpn_ltds_heatmaprecord 5b53e008-3d5e-54d3-ab90-1a69ff6d8d57/PastConnectionActivity/33kV · payload sha256 4625126a7f35…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: UK Power Networks, Long Term Development Statement (LTDS) Capacity Heatmap, https://ukpowernetworks.opendatasoft.com/explore/dataset/ukpn-capacity-heatmap/ (last updated 2025-03-01)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
33
Operator note: source field
loadConnectionOffersAcceptedCapacity

Offtake · Load (any) · Contracted

1

Published in count; no MW figure is derived from it.

Granted

The operator's latest published dataset reports 1 count under methodology gb_ukpn_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: connection_offers_accepted_count
Methodology
gb_ukpn_ltds_heatmap_activity_2026UKPN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ukpn_connection_activityNot additive across assets. The method accounts for reserved: not stated · allocated: not stated · pre-reserved: not stated · pending requests: not stated
Operator’s date
1 Mar 2025
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ukpn_ltds_heatmaprecord 5b53e008-3d5e-54d3-ab90-1a69ff6d8d57/PastConnectionActivity/33kV · payload sha256 4625126a7f35…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: UK Power Networks, Long Term Development Statement (LTDS) Capacity Heatmap, https://ukpowernetworks.opendatasoft.com/explore/dataset/ukpn-capacity-heatmap/ (last updated 2025-03-01)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
33
Operator note: source field
loadConnectionOffersAcceptedCount

Offtake · Load (any) · Requested

36.6 MVA

Published in MVA; no MW figure is derived from it.

Granted

The operator's latest published dataset reports 36.6 MVA under methodology gb_ukpn_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: connection_offers_made
Methodology
gb_ukpn_ltds_heatmap_activity_2026UKPN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ukpn_connection_activityNot additive across assets. The method accounts for reserved: not stated · allocated: not stated · pre-reserved: not stated · pending requests: not stated
Operator’s date
1 Mar 2025
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ukpn_ltds_heatmaprecord 5b53e008-3d5e-54d3-ab90-1a69ff6d8d57/PastConnectionActivity/33kV · payload sha256 4625126a7f35…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: UK Power Networks, Long Term Development Statement (LTDS) Capacity Heatmap, https://ukpowernetworks.opendatasoft.com/explore/dataset/ukpn-capacity-heatmap/ (last updated 2025-03-01)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
33
Operator note: source field
loadConnectionOffersMadeCapacity

Offtake · Load (any) · Requested

1

Published in count; no MW figure is derived from it.

Granted

The operator's latest published dataset reports 1 count under methodology gb_ukpn_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: connection_offers_made_count
Methodology
gb_ukpn_ltds_heatmap_activity_2026UKPN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ukpn_connection_activityNot additive across assets. The method accounts for reserved: not stated · allocated: not stated · pre-reserved: not stated · pending requests: not stated
Operator’s date
1 Mar 2025
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ukpn_ltds_heatmaprecord 5b53e008-3d5e-54d3-ab90-1a69ff6d8d57/PastConnectionActivity/33kV · payload sha256 4625126a7f35…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: UK Power Networks, Long Term Development Statement (LTDS) Capacity Heatmap, https://ukpowernetworks.opendatasoft.com/explore/dataset/ukpn-capacity-heatmap/ (last updated 2025-03-01)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
33
Operator note: source field
loadConnectionOffersMadeCount

Offtake · Load (any) · Total

114.3 MVA

Published in MVA; no MW figure is derived from it.

Granted

The operator's latest published dataset reports 114.3 MVA under methodology gb_ukpn_ltds_heatmap_2026.

Firmness
Firm
Horizon
Now (snapshot)
Methodology
gb_ukpn_ltds_heatmap_2026UKPN LTDS Capacity Heatmap: headroom from the Network Scenario Headroom Reportbasis operator calculated · network state n minus 1 · comparability class gb_ukpn_ltds_heatmapNot additive across assets. The method accounts for reserved: not stated · allocated: not stated · pre-reserved: not stated · pending requests: not stated
Operator’s date
1 Mar 2025
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ukpn_ltds_heatmaprecord 5b53e008-3d5e-54d3-ab90-1a69ff6d8d57 · payload sha256 57926b63b91d…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: UK Power Networks, Long Term Development Statement (LTDS) Capacity Heatmap, https://ukpowernetworks.opendatasoft.com/explore/dataset/ukpn-capacity-heatmap/ (last updated 2025-03-01)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
demandFirmCapacity

History

Served series only

Offtake · Load (any) · Available

current 23.5 MVA

26 Sep 2026: 23.5 MVA
26 Sep 2026range 23.5–23.5 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current23.5 MVA

Time axis: when we observed each value, not the operator’s effective date.

Injection · Generation (any) · Available

current 103.8 MVA

26 Sep 2026: 103.8 MVA
26 Sep 2026range 103.8–103.8 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current103.8 MVA

Time axis: when we observed each value, not the operator’s effective date.

Injection · Generation (any) · Available

current 114.3 MVA

26 Sep 2026: 114.3 MVA
26 Sep 2026range 114.3–114.3 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current114.3 MVA

Time axis: when we observed each value, not the operator’s effective date.

Offtake · Load (any) · Total

current 114.3 MVA

26 Sep 2026: 114.3 MVA
26 Sep 2026range 114.3–114.3 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current114.3 MVA

Time axis: when we observed each value, not the operator’s effective date.

Injection · Generation (any) · Total

current 243.7 MVA

26 Sep 2026: 243.7 MVA
26 Sep 2026range 243.7–243.7 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current243.7 MVA

Time axis: when we observed each value, not the operator’s effective date.

Injection · Generation (any) · Total

current 114.3 MVA

26 Sep 2026: 114.3 MVA
26 Sep 2026range 114.3–114.3 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current114.3 MVA

Time axis: when we observed each value, not the operator’s effective date.

Offtake · Load (any) · Requested · past_connection_activity

current 36.6 MVA

26 Sep 2026: 36.6 MVA
26 Sep 2026range 36.6–36.6 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current36.6 MVA

Time axis: when we observed each value, not the operator’s effective date.

Offtake · Load (any) · Requested · past_connection_activity

current 1

26 Sep 2026: 1
26 Sep 2026range 1–126 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current1

Time axis: when we observed each value, not the operator’s effective date.

Offtake · Load (any) · Contracted · past_connection_activity

current 30 MVA

26 Sep 2026: 30 MVA
26 Sep 2026range 30–30 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current30 MVA

Time axis: when we observed each value, not the operator’s effective date.

Offtake · Load (any) · Contracted · past_connection_activity

current 1

26 Sep 2026: 1
26 Sep 2026range 1–126 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current1

Time axis: when we observed each value, not the operator’s effective date.

Through the API

curl "https://api.gridcapacityapi.com/v1/substations/sub_06gdq75qqntah1g4cf429a6vmr/capacity" \  -H "Authorization: Bearer gc_live_..."
Purfleet Grid 33kV substation: grid capacity (UK Power Networks) · GridCapacity API