Substation · 132 kV · bsp

BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1

Latest published values

22 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
Direction	Technology	Measure	Value	Firmness	Horizon	Source date
Injection	Generation (any)	Available	139.31435 MVA	Unknown	Now (snapshot)	12 Jun 2026
Injection	Generation (any)	Available	139.31435 MVA	Unknown	Now (snapshot)variant: reverse_power_flow	12 Jun 2026
Injection	Generation (any)	Contracted	0 MVA	Unknown	past_connection_activityvariant: connection_offers_accepted	12 Jun 2026
Injection	Generation (any)	Contracted	0	Unknown	past_connection_activityvariant: connection_offers_accepted_count	12 Jun 2026
Injection	Generation (any)	Requested	0 MVA	Unknown	past_connection_activityvariant: budget_estimates_provided	12 Jun 2026
Injection	Generation (any)	Requested	0	Unknown	past_connection_activityvariant: budget_estimates_provided_count	12 Jun 2026
Injection	Generation (any)	Requested	0 MVA	Unknown	past_connection_activityvariant: connection_offers_made	12 Jun 2026
Injection	Generation (any)	Requested	0	Unknown	past_connection_activityvariant: connection_offers_made_count	12 Jun 2026
Injection	Generation (any)	Total	169 MVA	Firm	Now (snapshot)	12 Jun 2026
Injection	Generation (any)	Total	169 MVA	Unknown	Now (snapshot)variant: reverse_power_flow	12 Jun 2026
Injection	Generation (any)	Unknown	2.8509 MVA	Unknown	past_connection_activityvariant: past_connection_activity_total	12 Jun 2026
Injection	Generation (any)	Unknown	3	Unknown	past_connection_activityvariant: past_connection_activity_total_count	12 Jun 2026
Offtake	Load (any)	Available	41.8508 MVA	Unknown	Now (snapshot)	12 Jun 2026
Offtake	Load (any)	Contracted	0 MVA	Unknown	past_connection_activityvariant: connection_offers_accepted	12 Jun 2026
Offtake	Load (any)	Contracted	0	Unknown	past_connection_activityvariant: connection_offers_accepted_count	12 Jun 2026
Offtake	Load (any)	Requested	0 MVA	Unknown	past_connection_activityvariant: budget_estimates_provided	12 Jun 2026
Offtake	Load (any)	Requested	0	Unknown	past_connection_activityvariant: budget_estimates_provided_count	12 Jun 2026
Offtake	Load (any)	Requested	0.312 MVA	Unknown	past_connection_activityvariant: connection_offers_made	12 Jun 2026
Offtake	Load (any)	Requested	2	Unknown	past_connection_activityvariant: connection_offers_made_count	12 Jun 2026
Offtake	Load (any)	Total	154.7 MVA	Firm	Now (snapshot)	12 Jun 2026
Offtake	Load (any)	Unknown	4.9482 MVA	Unknown	past_connection_activityvariant: past_connection_activity_total	12 Jun 2026
Offtake	Load (any)	Unknown	9	Unknown	past_connection_activityvariant: past_connection_activity_total_count	12 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

139.31435 MVA

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

Granted

The operator's latest published dataset reports 139.31435 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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1 · payload sha256 fc99da516a61…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: generationAvailableCapacity

Injection · Generation (any) · Available

139.31435 MVA

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

Granted

The operator's latest published dataset reports 139.31435 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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1 · payload sha256 fc99da516a61…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) · Contracted

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: connection_offers_accepted
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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1/PastConnectionActivity/11kV · payload sha256 ac8583ceab6a…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: 132kV Group: LEGACY 132KV
Operator note: 33kV Group: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: HV Group or Substation: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: connection voltage kv: 11
Operator note: source field: generationConnectionOfferAcceptedCapacity

Injection · Generation (any) · Contracted

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: connection_offers_accepted_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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1/PastConnectionActivity/11kV · payload sha256 ac8583ceab6a…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: 132kV Group: LEGACY 132KV
Operator note: 33kV Group: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: HV Group or Substation: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: connection voltage kv: 11
Operator note: source field: generationConnectionOfferAcceptedCount

Injection · Generation (any) · Requested

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: budget_estimates_provided
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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1/PastConnectionActivity/11kV · payload sha256 ac8583ceab6a…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: 132kV Group: LEGACY 132KV
Operator note: 33kV Group: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: HV Group or Substation: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: connection voltage kv: 11
Operator note: source field: generationBudgetEstimatesProvidedCapacity

Injection · Generation (any) · Requested

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: budget_estimates_provided_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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1/PastConnectionActivity/11kV · payload sha256 ac8583ceab6a…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: 132kV Group: LEGACY 132KV
Operator note: 33kV Group: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: HV Group or Substation: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: connection voltage kv: 11
Operator note: source field: generationBudgetEstimatesProvidedCount

Injection · Generation (any) · Requested

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: connection_offers_made
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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1/PastConnectionActivity/11kV · payload sha256 ac8583ceab6a…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: 132kV Group: LEGACY 132KV
Operator note: 33kV Group: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: HV Group or Substation: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: connection voltage kv: 11
Operator note: source field: generationConnectionOfferMadeCapacity

Injection · Generation (any) · Requested

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: connection_offers_made_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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1/PastConnectionActivity/11kV · payload sha256 ac8583ceab6a…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: 132kV Group: LEGACY 132KV
Operator note: 33kV Group: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: HV Group or Substation: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: connection voltage kv: 11
Operator note: source field: generationConnectionOfferMadeCount

Injection · Generation (any) · Total

169 MVA

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

Granted

The operator's latest published dataset reports 169 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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1 · payload sha256 fc99da516a61…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

169 MVA

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

Granted

The operator's latest published dataset reports 169 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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1 · payload sha256 fc99da516a61…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

2.8509 MVA

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

Granted

The operator's latest published dataset reports 2.8509 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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1 · payload sha256 fc99da516a61…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

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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1 · payload sha256 fc99da516a61…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

41.8508 MVA

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

Granted

The operator's latest published dataset reports 41.8508 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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1 · payload sha256 fc99da516a61…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) · Contracted

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: connection_offers_accepted
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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1/PastConnectionActivity/11kV · payload sha256 ac8583ceab6a…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: 132kV Group: LEGACY 132KV
Operator note: 33kV Group: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: HV Group or Substation: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: connection voltage kv: 11
Operator note: source field: loadConnectionOffersAcceptedCapacity

Offtake · Load (any) · Contracted

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: connection_offers_accepted_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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1/PastConnectionActivity/11kV · payload sha256 ac8583ceab6a…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: 132kV Group: LEGACY 132KV
Operator note: 33kV Group: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: HV Group or Substation: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: connection voltage kv: 11
Operator note: source field: loadConnectionOffersAcceptedCount

Offtake · Load (any) · Requested

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: budget_estimates_provided
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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1/PastConnectionActivity/11kV · payload sha256 ac8583ceab6a…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: 132kV Group: LEGACY 132KV
Operator note: 33kV Group: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: HV Group or Substation: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: connection voltage kv: 11
Operator note: source field: loadBudgetEstimatesProvidedCapacity

Offtake · Load (any) · Requested

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: budget_estimates_provided_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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1/PastConnectionActivity/11kV · payload sha256 ac8583ceab6a…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: 132kV Group: LEGACY 132KV
Operator note: 33kV Group: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: HV Group or Substation: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: connection voltage kv: 11
Operator note: source field: loadBudgetEstimatesProvidedCount

Offtake · Load (any) · Requested

0.312 MVA

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

Granted

The operator's latest published dataset reports 0.312 MVA under methodology gb_spen_heatmap_spm_activity_2026.

Firmness: Unknown
Horizon: past_connection_activity · variant: connection_offers_made
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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1/PastConnectionActivity/11kV · payload sha256 ac8583ceab6a…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: 132kV Group: LEGACY 132KV
Operator note: 33kV Group: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: HV Group or Substation: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: connection voltage kv: 11
Operator note: source field: loadConnectionOffersMadeCapacity

Offtake · Load (any) · Requested

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

Granted

The operator's latest published dataset reports 2 count under methodology gb_spen_heatmap_spm_activity_2026.

Firmness: Unknown
Horizon: past_connection_activity · variant: connection_offers_made_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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1/PastConnectionActivity/11kV · payload sha256 ac8583ceab6a…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: 132kV Group: LEGACY 132KV
Operator note: 33kV Group: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: HV Group or Substation: BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1
Operator note: connection voltage kv: 11
Operator note: source field: loadConnectionOffersMadeCount

Offtake · Load (any) · Total

154.7 MVA

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

Granted

The operator's latest published dataset reports 154.7 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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1 · payload sha256 fc99da516a61…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

4.9482 MVA

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

Granted

The operator's latest published dataset reports 4.9482 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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1 · payload sha256 fc99da516a61…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

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

Granted

The operator's latest published dataset reports 9 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/BRYMBO GT1 / LEGACY LOCAL GT1 / MARCHWIEL GT1 / MARCHWIEL GT2 / WREXHAM GT1 · payload sha256 fc99da516a61…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 41.8508 MVA

26 Sep 2026range 41.8508–41.8508 MVA26 Sep 2026

1 published value, as a table

Observed from	Until	Value
26 Sep 2026	current	41.8508 MVA

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

Injection · Generation (any) · Available

current 139.31435 MVA

26 Sep 2026range 139.31435–139.31435 MVA26 Sep 2026

1 published value, as a table

Observed from	Until	Value
26 Sep 2026	current	139.31435 MVA

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

Injection · Generation (any) · Available

current 139.31435 MVA

26 Sep 2026range 139.31435–139.31435 MVA26 Sep 2026

1 published value, as a table

Observed from	Until	Value
26 Sep 2026	current	139.31435 MVA

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

Offtake · Load (any) · Total

current 154.7 MVA

26 Sep 2026range 154.7–154.7 MVA26 Sep 2026

1 published value, as a table

Observed from	Until	Value
26 Sep 2026	current	154.7 MVA

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

Injection · Generation (any) · Total

current 169 MVA

26 Sep 2026range 169–169 MVA26 Sep 2026

1 published value, as a table

Observed from	Until	Value
26 Sep 2026	current	169 MVA

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

Injection · Generation (any) · Total

current 169 MVA

26 Sep 2026range 169–169 MVA26 Sep 2026

1 published value, as a table

Observed from	Until	Value
26 Sep 2026	current	169 MVA

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

Offtake · Load (any) · Unknown · past_connection_activity

current 4.9482 MVA

26 Sep 2026range 4.9482–4.9482 MVA26 Sep 2026

1 published value, as a table

Observed from	Until	Value
26 Sep 2026	current	4.9482 MVA

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

Injection · Generation (any) · Unknown · past_connection_activity

current 2.8509 MVA

26 Sep 2026range 2.8509–2.8509 MVA26 Sep 2026

1 published value, as a table

Observed from	Until	Value
26 Sep 2026	current	2.8509 MVA

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

Offtake · Load (any) · Unknown · past_connection_activity

current 9

26 Sep 2026range 9–926 Sep 2026

1 published value, as a table

Observed from	Until	Value
26 Sep 2026	current	9

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

Injection · Generation (any) · Unknown · past_connection_activity

current 3

26 Sep 2026range 3–326 Sep 2026

1 published value, as a table

Observed from	Until	Value
26 Sep 2026	current	3

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

Offtake · Load (any) · Requested · past_connection_activity

current 0 MVA

26 Sep 2026range 0–0 MVA26 Sep 2026

1 published value, as a table

Observed from	Until	Value
26 Sep 2026	current	0 MVA

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

Offtake · Load (any) · Requested · past_connection_activity

current 0

26 Sep 2026range 0–026 Sep 2026

1 published value, as a table

Observed from	Until	Value
26 Sep 2026	current	0

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

The first 12 of 22 served series with a history. The history route returns every one of them.

Through the API

$ curl "https://api.gridcapacityapi.com/v1/substations/sub_06gdq6xnj1txs739frghejca5w/capacity" \  -H "Authorization: Bearer gc_live_..."