Skip to content
GridCapacityAPI.com

Substation · 33 kV · primary

Cliff Quay Grid 33kV

UK Power Networks · United Kingdom

Latest published values

12 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)Available138.2 MVAFirmNow (snapshot)1 Mar 2025
InjectionGeneration (any)Available156 MVAUnknownNow (snapshot)variant: reverse_power_flow1 Mar 2025
InjectionGeneration (any)Contracted58 MVAUnknownpast_connection_activityvariant: connection_offers_accepted1 Mar 2025
InjectionGeneration (any)Contracted1Unknownpast_connection_activityvariant: connection_offers_accepted_count1 Mar 2025
InjectionGeneration (any)Requested25 MVAUnknownpast_connection_activityvariant: budget_estimates_provided1 Mar 2025
InjectionGeneration (any)Requested2Unknownpast_connection_activityvariant: budget_estimates_provided_count1 Mar 2025
InjectionGeneration (any)Total177.7 MVAFirmNow (snapshot)1 Mar 2025
InjectionGeneration (any)Total156 MVAFirmNow (snapshot)variant: reverse_power_flow1 Mar 2025
OfftakeLoad (any)Available32.2 MVAFirmNow (snapshot)1 Mar 2025
OfftakeLoad (any)Contracted58.5 MVAUnknownpast_connection_activityvariant: connection_offers_accepted1 Mar 2025
OfftakeLoad (any)Contracted1Unknownpast_connection_activityvariant: connection_offers_accepted_count1 Mar 2025
OfftakeLoad (any)Total156 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

138.2 MVA

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

Granted

The operator's latest published dataset reports 138.2 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 3919488b-731f-598f-a6f2-fb47fa19af04 · payload sha256 78bc8b8663c0…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

156 MVA

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

Granted

The operator's latest published dataset reports 156 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 3919488b-731f-598f-a6f2-fb47fa19af04 · payload sha256 78bc8b8663c0…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) · Contracted

58 MVA

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

Granted

The operator's latest published dataset reports 58 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 3919488b-731f-598f-a6f2-fb47fa19af04/PastConnectionActivity/33kV · payload sha256 c410c538d636…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
generationConnectionOffersAcceptedCapacity

Injection · Generation (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 3919488b-731f-598f-a6f2-fb47fa19af04/PastConnectionActivity/33kV · payload sha256 c410c538d636…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
generationConnectionOffersAcceptedCount

Injection · Generation (any) · Requested

25 MVA

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

Granted

The operator's latest published dataset reports 25 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 3919488b-731f-598f-a6f2-fb47fa19af04/PastConnectionActivity/33kV · payload sha256 c410c538d636…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
generationBudgetEstimatesProvidedCapacity

Injection · Generation (any) · Requested

2

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

Granted

The operator's latest published dataset reports 2 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 3919488b-731f-598f-a6f2-fb47fa19af04/PastConnectionActivity/33kV · payload sha256 c410c538d636…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
generationBudgetEstimatesProvidedCount

Injection · Generation (any) · Total

177.7 MVA

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

Granted

The operator's latest published dataset reports 177.7 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 3919488b-731f-598f-a6f2-fb47fa19af04 · payload sha256 78bc8b8663c0…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

156 MVA

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

Granted

The operator's latest published dataset reports 156 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 3919488b-731f-598f-a6f2-fb47fa19af04 · payload sha256 78bc8b8663c0…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

32.2 MVA

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

Granted

The operator's latest published dataset reports 32.2 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 3919488b-731f-598f-a6f2-fb47fa19af04 · payload sha256 78bc8b8663c0…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

58.5 MVA

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

Granted

The operator's latest published dataset reports 58.5 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 3919488b-731f-598f-a6f2-fb47fa19af04/PastConnectionActivity/33kV · payload sha256 c410c538d636…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 3919488b-731f-598f-a6f2-fb47fa19af04/PastConnectionActivity/33kV · payload sha256 c410c538d636…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) · Total

156 MVA

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

Granted

The operator's latest published dataset reports 156 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 3919488b-731f-598f-a6f2-fb47fa19af04 · payload sha256 78bc8b8663c0…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 32.2 MVA

26 Sep 2026: 32.2 MVA
26 Sep 2026range 32.2–32.2 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current32.2 MVA

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

Injection · Generation (any) · Available

current 138.2 MVA

26 Sep 2026: 138.2 MVA
26 Sep 2026range 138.2–138.2 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current138.2 MVA

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

Injection · Generation (any) · Available

current 156 MVA

26 Sep 2026: 156 MVA
26 Sep 2026range 156–156 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current156 MVA

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

Offtake · Load (any) · Total

current 156 MVA

26 Sep 2026: 156 MVA
26 Sep 2026range 156–156 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current156 MVA

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

Injection · Generation (any) · Total

current 177.7 MVA

26 Sep 2026: 177.7 MVA
26 Sep 2026range 177.7–177.7 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current177.7 MVA

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

Injection · Generation (any) · Total

current 156 MVA

26 Sep 2026: 156 MVA
26 Sep 2026range 156–156 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current156 MVA

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

Offtake · Load (any) · Contracted · past_connection_activity

current 58.5 MVA

26 Sep 2026: 58.5 MVA
26 Sep 2026range 58.5–58.5 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current58.5 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.

Injection · Generation (any) · Requested · past_connection_activity

current 25 MVA

26 Sep 2026: 25 MVA
26 Sep 2026range 25–25 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current25 MVA

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

Injection · Generation (any) · Requested · past_connection_activity

current 2

26 Sep 2026: 2
26 Sep 2026range 2–226 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current2

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

Injection · Generation (any) · Contracted · past_connection_activity

current 58 MVA

26 Sep 2026: 58 MVA
26 Sep 2026range 58–58 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current58 MVA

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

Injection · Generation (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_06gdq75qqntah1g4casnn0mc7c/capacity" \  -H "Authorization: Bearer gc_live_..."
Cliff Quay Grid 33kV substation: grid capacity (UK Power Networks) · GridCapacity API