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Substation · 33 kV · primary

Finsbury Mkt F 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)Available206.6 MVAFirmNow (snapshot)1 Mar 2025
InjectionGeneration (any)Available180 MVAUnknownNow (snapshot)variant: reverse_power_flow1 Mar 2025
InjectionGeneration (any)Total210.3 MVAFirmNow (snapshot)1 Mar 2025
InjectionGeneration (any)Total180 MVAFirmNow (snapshot)variant: reverse_power_flow1 Mar 2025
OfftakeLoad (any)Available111.3 MVAFirmNow (snapshot)1 Mar 2025
OfftakeLoad (any)Requested77.1 MVAUnknownpast_connection_activityvariant: budget_estimates_provided1 Mar 2025
OfftakeLoad (any)Requested8Unknownpast_connection_activityvariant: budget_estimates_provided_count1 Mar 2025
OfftakeLoad (any)Requested29.4 MVAUnknownpast_connection_activityvariant: connection_offers_made1 Mar 2025
OfftakeLoad (any)Requested4Unknownpast_connection_activityvariant: connection_offers_made_count1 Mar 2025
OfftakeLoad (any)Total180 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

206.6 MVA

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

Granted

The operator's latest published dataset reports 206.6 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 3a286132-dcc1-5b5f-9df1-ebcb844a45b5 · payload sha256 1e68c60f584a…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

180 MVA

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

Granted

The operator's latest published dataset reports 180 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 3a286132-dcc1-5b5f-9df1-ebcb844a45b5 · payload sha256 1e68c60f584a…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

210.3 MVA

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

Granted

The operator's latest published dataset reports 210.3 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 3a286132-dcc1-5b5f-9df1-ebcb844a45b5 · payload sha256 1e68c60f584a…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

180 MVA

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

Granted

The operator's latest published dataset reports 180 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 3a286132-dcc1-5b5f-9df1-ebcb844a45b5 · payload sha256 1e68c60f584a…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

111.3 MVA

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

Granted

The operator's latest published dataset reports 111.3 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 3a286132-dcc1-5b5f-9df1-ebcb844a45b5 · payload sha256 1e68c60f584a…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) · Requested

77.1 MVA

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

Granted

The operator's latest published dataset reports 77.1 MVA under methodology gb_ukpn_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: budget_estimates_provided
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 3a286132-dcc1-5b5f-9df1-ebcb844a45b5/PastConnectionActivity/33kV · payload sha256 55e73f82ebaa…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
loadBudgetEstimatesProvidedCapacity

Offtake · Load (any) · Requested

8

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

Granted

The operator's latest published dataset reports 8 count under methodology gb_ukpn_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: budget_estimates_provided_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 3a286132-dcc1-5b5f-9df1-ebcb844a45b5/PastConnectionActivity/33kV · payload sha256 55e73f82ebaa…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
loadBudgetEstimatesProvidedCount

Offtake · Load (any) · Requested

29.4 MVA

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

Granted

The operator's latest published dataset reports 29.4 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 3a286132-dcc1-5b5f-9df1-ebcb844a45b5/PastConnectionActivity/33kV · payload sha256 55e73f82ebaa…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

4

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

Granted

The operator's latest published dataset reports 4 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 3a286132-dcc1-5b5f-9df1-ebcb844a45b5/PastConnectionActivity/33kV · payload sha256 55e73f82ebaa…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

180 MVA

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

Granted

The operator's latest published dataset reports 180 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 3a286132-dcc1-5b5f-9df1-ebcb844a45b5 · payload sha256 1e68c60f584a…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 111.3 MVA

26 Sep 2026: 111.3 MVA
26 Sep 2026range 111.3–111.3 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current111.3 MVA

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

Injection · Generation (any) · Available

current 206.6 MVA

26 Sep 2026: 206.6 MVA
26 Sep 2026range 206.6–206.6 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current206.6 MVA

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

Injection · Generation (any) · Available

current 180 MVA

26 Sep 2026: 180 MVA
26 Sep 2026range 180–180 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current180 MVA

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

Offtake · Load (any) · Total

current 180 MVA

26 Sep 2026: 180 MVA
26 Sep 2026range 180–180 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current180 MVA

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

Injection · Generation (any) · Total

current 210.3 MVA

26 Sep 2026: 210.3 MVA
26 Sep 2026range 210.3–210.3 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current210.3 MVA

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

Injection · Generation (any) · Total

current 180 MVA

26 Sep 2026: 180 MVA
26 Sep 2026range 180–180 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current180 MVA

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

Offtake · Load (any) · Requested · past_connection_activity

current 77.1 MVA

26 Sep 2026: 77.1 MVA
26 Sep 2026range 77.1–77.1 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current77.1 MVA

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

Offtake · Load (any) · Requested · past_connection_activity

current 8

26 Sep 2026: 8
26 Sep 2026range 8–826 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current8

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

Offtake · Load (any) · Requested · past_connection_activity

current 29.4 MVA

26 Sep 2026: 29.4 MVA
26 Sep 2026range 29.4–29.4 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current29.4 MVA

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

Offtake · Load (any) · Requested · past_connection_activity

current 4

26 Sep 2026: 4
26 Sep 2026range 4–426 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current4

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

Through the API

curl "https://api.gridcapacityapi.com/v1/substations/sub_06gdq75qqntah1g4c82c8qqb2m/capacity" \  -H "Authorization: Bearer gc_live_..."
Finsbury Mkt F 33kV substation: grid capacity (UK Power Networks) · GridCapacity API