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Substation · 132 kV · bsp

HESWALL GT1 / HOYLAKE GT2 / PRENTON GRID GT3

SP Energy 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)Available121.805 MVAUnknownNow (snapshot)12 Jun 2026
InjectionGeneration (any)Available121.805 MVAUnknownNow (snapshot)variant: reverse_power_flow12 Jun 2026
InjectionGeneration (any)Total113 MVAFirmNow (snapshot)12 Jun 2026
InjectionGeneration (any)Total113 MVAUnknownNow (snapshot)variant: reverse_power_flow12 Jun 2026
InjectionGeneration (any)Unknown0 MVAUnknownpast_connection_activityvariant: past_connection_activity_total12 Jun 2026
InjectionGeneration (any)Unknown0Unknownpast_connection_activityvariant: past_connection_activity_total_count12 Jun 2026
OfftakeLoad (any)Available21.2835 MVAUnknownNow (snapshot)12 Jun 2026
OfftakeLoad (any)Total86.9 MVAFirmNow (snapshot)12 Jun 2026
OfftakeLoad (any)Unknown0.2405 MVAUnknownpast_connection_activityvariant: past_connection_activity_total12 Jun 2026
OfftakeLoad (any)Unknown3Unknownpast_connection_activityvariant: past_connection_activity_total_count12 Jun 2026

SP Energy Networks, Capacity Heatmaps Information Model SPM, https://spenergynetworks.opendatasoft.com/explore/dataset/distribution-capacity-heatmaps-spm/, SP Energy Networks Open Data Licence (based on CC BY 4.0) (last updated 2026-06-12)

What each value means

Methodology, both clocks, provenance and rights

Injection · Generation (any) · Available

121.805 MVA

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

Granted

The operator's latest published dataset reports 121.805 MVA under methodology gb_spen_heatmap_spm_2026.

Firmness
Unknown
Horizon
Now (snapshot)
Methodology
gb_spen_heatmap_spm_2026SPEN Capacity Heatmaps Information Modelbasis operator calculated · network state unknown · comparability class gb_spen_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
12 Jun 2026
Retrieved / confirmed
2026-09-26 02:46 UTClast confirmed unchanged 2026-09-26 02:46 UTC
Source health
Healthy
Provenance
gb_spen_heatmap_spmrecord SPM/HESWALL GT1 / HOYLAKE GT2 / PRENTON GRID GT3 · payload sha256 193b00f1c39b…Operator’s publication (opens the operator’s site)
Licence
SP Energy Networks Open Data Licence (based on CC BY 4.0)Attribution: SP Energy Networks, Capacity Heatmaps Information Model SPM, https://spenergynetworks.opendatasoft.com/explore/dataset/distribution-capacity-heatmaps-spm/, SP Energy Networks Open Data Licence (based on CC BY 4.0) (last updated 2026-06-12)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: limiting factor
fault level
Operator note: rag
Amber
Operator note: rag colour
amber
Operator note: source field
generationAvailableCapacity

Injection · Generation (any) · Available

121.805 MVA

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

Granted

The operator's latest published dataset reports 121.805 MVA under methodology gb_spen_heatmap_spm_2026.

Firmness
Unknown
Horizon
Now (snapshot) · variant: reverse_power_flow
Methodology
gb_spen_heatmap_spm_2026SPEN Capacity Heatmaps Information Modelbasis operator calculated · network state unknown · comparability class gb_spen_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
12 Jun 2026
Retrieved / confirmed
2026-09-26 02:46 UTClast confirmed unchanged 2026-09-26 02:46 UTC
Source health
Healthy
Provenance
gb_spen_heatmap_spmrecord SPM/HESWALL GT1 / HOYLAKE GT2 / PRENTON GRID GT3 · payload sha256 193b00f1c39b…Operator’s publication (opens the operator’s site)
Licence
SP Energy Networks Open Data Licence (based on CC BY 4.0)Attribution: SP Energy Networks, Capacity Heatmaps Information Model SPM, https://spenergynetworks.opendatasoft.com/explore/dataset/distribution-capacity-heatmaps-spm/, SP Energy Networks Open Data Licence (based on CC BY 4.0) (last updated 2026-06-12)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
reversePowerFlowAvailableCapacity

Injection · Generation (any) · Total

113 MVA

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

Granted

The operator's latest published dataset reports 113 MVA under methodology gb_spen_heatmap_spm_2026.

Firmness
Firm
Horizon
Now (snapshot)
Methodology
gb_spen_heatmap_spm_2026SPEN Capacity Heatmaps Information Modelbasis operator calculated · network state unknown · comparability class gb_spen_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
12 Jun 2026
Retrieved / confirmed
2026-09-26 02:46 UTClast confirmed unchanged 2026-09-26 02:46 UTC
Source health
Healthy
Provenance
gb_spen_heatmap_spmrecord SPM/HESWALL GT1 / HOYLAKE GT2 / PRENTON GRID GT3 · payload sha256 193b00f1c39b…Operator’s publication (opens the operator’s site)
Licence
SP Energy Networks Open Data Licence (based on CC BY 4.0)Attribution: SP Energy Networks, Capacity Heatmaps Information Model SPM, https://spenergynetworks.opendatasoft.com/explore/dataset/distribution-capacity-heatmaps-spm/, SP Energy Networks Open Data Licence (based on CC BY 4.0) (last updated 2026-06-12)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
generationFirmCapacity

Injection · Generation (any) · Total

113 MVA

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

Granted

The operator's latest published dataset reports 113 MVA under methodology gb_spen_heatmap_spm_2026.

Firmness
Unknown
Horizon
Now (snapshot) · variant: reverse_power_flow
Methodology
gb_spen_heatmap_spm_2026SPEN Capacity Heatmaps Information Modelbasis operator calculated · network state unknown · comparability class gb_spen_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
12 Jun 2026
Retrieved / confirmed
2026-09-26 02:46 UTClast confirmed unchanged 2026-09-26 02:46 UTC
Source health
Healthy
Provenance
gb_spen_heatmap_spmrecord SPM/HESWALL GT1 / HOYLAKE GT2 / PRENTON GRID GT3 · payload sha256 193b00f1c39b…Operator’s publication (opens the operator’s site)
Licence
SP Energy Networks Open Data Licence (based on CC BY 4.0)Attribution: SP Energy Networks, Capacity Heatmaps Information Model SPM, https://spenergynetworks.opendatasoft.com/explore/dataset/distribution-capacity-heatmaps-spm/, SP Energy Networks Open Data Licence (based on CC BY 4.0) (last updated 2026-06-12)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
reversePowerFlowTotalCapacity

Injection · Generation (any) · Unknown

0 MVA

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

Granted

The operator's latest published dataset reports 0 MVA under methodology gb_spen_heatmap_spm_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: past_connection_activity_total
Methodology
gb_spen_heatmap_spm_activity_2026SPEN connection activity (LTDS Table 6), SPMbasis operator published · network state unknown · comparability class gb_spen_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
12 Jun 2026
Retrieved / confirmed
2026-09-26 02:46 UTClast confirmed unchanged 2026-09-26 02:46 UTC
Source health
Healthy
Provenance
gb_spen_heatmap_spmrecord SPM/HESWALL GT1 / HOYLAKE GT2 / PRENTON GRID GT3 · payload sha256 193b00f1c39b…Operator’s publication (opens the operator’s site)
Licence
SP Energy Networks Open Data Licence (based on CC BY 4.0)Attribution: SP Energy Networks, Capacity Heatmaps Information Model SPM, https://spenergynetworks.opendatasoft.com/explore/dataset/distribution-capacity-heatmaps-spm/, SP Energy Networks Open Data Licence (based on CC BY 4.0) (last updated 2026-06-12)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
Past Connection Activity Total Generation Capacity

Injection · Generation (any) · Unknown

0

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

Granted

The operator's latest published dataset reports 0 count under methodology gb_spen_heatmap_spm_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: past_connection_activity_total_count
Methodology
gb_spen_heatmap_spm_activity_2026SPEN connection activity (LTDS Table 6), SPMbasis operator published · network state unknown · comparability class gb_spen_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
12 Jun 2026
Retrieved / confirmed
2026-09-26 02:46 UTClast confirmed unchanged 2026-09-26 02:46 UTC
Source health
Healthy
Provenance
gb_spen_heatmap_spmrecord SPM/HESWALL GT1 / HOYLAKE GT2 / PRENTON GRID GT3 · payload sha256 193b00f1c39b…Operator’s publication (opens the operator’s site)
Licence
SP Energy Networks Open Data Licence (based on CC BY 4.0)Attribution: SP Energy Networks, Capacity Heatmaps Information Model SPM, https://spenergynetworks.opendatasoft.com/explore/dataset/distribution-capacity-heatmaps-spm/, SP Energy Networks Open Data Licence (based on CC BY 4.0) (last updated 2026-06-12)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
Past Connection Activity Total Generation Volume

Offtake · Load (any) · Available

21.2835 MVA

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

Granted

The operator's latest published dataset reports 21.2835 MVA under methodology gb_spen_heatmap_spm_2026.

Firmness
Unknown
Horizon
Now (snapshot)
Methodology
gb_spen_heatmap_spm_2026SPEN Capacity Heatmaps Information Modelbasis operator calculated · network state unknown · comparability class gb_spen_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
12 Jun 2026
Retrieved / confirmed
2026-09-26 02:46 UTClast confirmed unchanged 2026-09-26 02:46 UTC
Source health
Healthy
Provenance
gb_spen_heatmap_spmrecord SPM/HESWALL GT1 / HOYLAKE GT2 / PRENTON GRID GT3 · payload sha256 193b00f1c39b…Operator’s publication (opens the operator’s site)
Licence
SP Energy Networks Open Data Licence (based on CC BY 4.0)Attribution: SP Energy Networks, Capacity Heatmaps Information Model SPM, https://spenergynetworks.opendatasoft.com/explore/dataset/distribution-capacity-heatmaps-spm/, SP Energy Networks Open Data Licence (based on CC BY 4.0) (last updated 2026-06-12)
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) · Total

86.9 MVA

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

Granted

The operator's latest published dataset reports 86.9 MVA under methodology gb_spen_heatmap_spm_2026.

Firmness
Firm
Horizon
Now (snapshot)
Methodology
gb_spen_heatmap_spm_2026SPEN Capacity Heatmaps Information Modelbasis operator calculated · network state unknown · comparability class gb_spen_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
12 Jun 2026
Retrieved / confirmed
2026-09-26 02:46 UTClast confirmed unchanged 2026-09-26 02:46 UTC
Source health
Healthy
Provenance
gb_spen_heatmap_spmrecord SPM/HESWALL GT1 / HOYLAKE GT2 / PRENTON GRID GT3 · payload sha256 193b00f1c39b…Operator’s publication (opens the operator’s site)
Licence
SP Energy Networks Open Data Licence (based on CC BY 4.0)Attribution: SP Energy Networks, Capacity Heatmaps Information Model SPM, https://spenergynetworks.opendatasoft.com/explore/dataset/distribution-capacity-heatmaps-spm/, SP Energy Networks Open Data Licence (based on CC BY 4.0) (last updated 2026-06-12)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
demandFirmCapacity

Offtake · Load (any) · Unknown

0.2405 MVA

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

Granted

The operator's latest published dataset reports 0.2405 MVA under methodology gb_spen_heatmap_spm_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: past_connection_activity_total
Methodology
gb_spen_heatmap_spm_activity_2026SPEN connection activity (LTDS Table 6), SPMbasis operator published · network state unknown · comparability class gb_spen_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
12 Jun 2026
Retrieved / confirmed
2026-09-26 02:46 UTClast confirmed unchanged 2026-09-26 02:46 UTC
Source health
Healthy
Provenance
gb_spen_heatmap_spmrecord SPM/HESWALL GT1 / HOYLAKE GT2 / PRENTON GRID GT3 · payload sha256 193b00f1c39b…Operator’s publication (opens the operator’s site)
Licence
SP Energy Networks Open Data Licence (based on CC BY 4.0)Attribution: SP Energy Networks, Capacity Heatmaps Information Model SPM, https://spenergynetworks.opendatasoft.com/explore/dataset/distribution-capacity-heatmaps-spm/, SP Energy Networks Open Data Licence (based on CC BY 4.0) (last updated 2026-06-12)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
Past Connection Activity Total Demand Capacity

Offtake · Load (any) · Unknown

3

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

Granted

The operator's latest published dataset reports 3 count under methodology gb_spen_heatmap_spm_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: past_connection_activity_total_count
Methodology
gb_spen_heatmap_spm_activity_2026SPEN connection activity (LTDS Table 6), SPMbasis operator published · network state unknown · comparability class gb_spen_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
12 Jun 2026
Retrieved / confirmed
2026-09-26 02:46 UTClast confirmed unchanged 2026-09-26 02:46 UTC
Source health
Healthy
Provenance
gb_spen_heatmap_spmrecord SPM/HESWALL GT1 / HOYLAKE GT2 / PRENTON GRID GT3 · payload sha256 193b00f1c39b…Operator’s publication (opens the operator’s site)
Licence
SP Energy Networks Open Data Licence (based on CC BY 4.0)Attribution: SP Energy Networks, Capacity Heatmaps Information Model SPM, https://spenergynetworks.opendatasoft.com/explore/dataset/distribution-capacity-heatmaps-spm/, SP Energy Networks Open Data Licence (based on CC BY 4.0) (last updated 2026-06-12)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
Past Connection Activity Total Demand Volume

History

Served series only

Offtake · Load (any) · Available

current 21.2835 MVA

26 Sep 2026: 21.2835 MVA
26 Sep 2026range 21.2835–21.2835 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current21.2835 MVA

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

Injection · Generation (any) · Available

current 121.805 MVA

26 Sep 2026: 121.805 MVA
26 Sep 2026range 121.805–121.805 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current121.805 MVA

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

Injection · Generation (any) · Available

current 121.805 MVA

26 Sep 2026: 121.805 MVA
26 Sep 2026range 121.805–121.805 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current121.805 MVA

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

Offtake · Load (any) · Total

current 86.9 MVA

26 Sep 2026: 86.9 MVA
26 Sep 2026range 86.9–86.9 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current86.9 MVA

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

Injection · Generation (any) · Total

current 113 MVA

26 Sep 2026: 113 MVA
26 Sep 2026range 113–113 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current113 MVA

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

Injection · Generation (any) · Total

current 113 MVA

26 Sep 2026: 113 MVA
26 Sep 2026range 113–113 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current113 MVA

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

Offtake · Load (any) · Unknown · past_connection_activity

current 0.2405 MVA

26 Sep 2026: 0.2405 MVA
26 Sep 2026range 0.2405–0.2405 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current0.2405 MVA

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

Injection · Generation (any) · Unknown · past_connection_activity

current 0 MVA

26 Sep 2026: 0 MVA
26 Sep 2026range 0–0 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current0 MVA

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

Offtake · Load (any) · Unknown · past_connection_activity

current 3

26 Sep 2026: 3
26 Sep 2026range 3–326 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current3

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

Injection · Generation (any) · Unknown · past_connection_activity

current 0

26 Sep 2026: 0
26 Sep 2026range 0–026 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current0

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

Through the API

curl "https://api.gridcapacityapi.com/v1/substations/sub_06gdq6xnj1txs739frnkrrgtd4/capacity" \  -H "Authorization: Bearer gc_live_..."
HESWALL GT1 / HOYLAKE GT2 / PRENTON GRID GT3 132 kV substation: grid capacity (SP Energy Networks) · GridCapacity API