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GridCapacityAPI.com

Substation · 400 kV · gsp

Iver 132kV

SSEN Distribution · United Kingdom

Latest published values

20 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)Connected160.99 MVAUnknownNow (snapshot)31 May 2026
InjectionGeneration (any)Contracted358.85 MVAUnknownNow (snapshot)31 May 2026
InjectionGeneration (any)Contracted62.06 MVAUnknownpast_connection_activityvariant: connection_offers_accepted31 May 2026
InjectionGeneration (any)Contracted2Unknownpast_connection_activityvariant: connection_offers_accepted_count31 May 2026
InjectionGeneration (any)Requested2.11 MVAUnknownpast_connection_activityvariant: budget_estimates_provided31 May 2026
InjectionGeneration (any)Requested1Unknownpast_connection_activityvariant: budget_estimates_provided_count31 May 2026
InjectionGeneration (any)Requested124.89 MVAUnknownpast_connection_activityvariant: connection_offers_made31 May 2026
InjectionGeneration (any)Requested5Unknownpast_connection_activityvariant: connection_offers_made_count31 May 2026
InjectionOther storageConnected0 MVAUnknownNow (snapshot)31 May 2026
InjectionOther storageContracted19 MVAUnknownNow (snapshot)31 May 2026
OfftakeLoad (any)Connected525.76 MVAUnknownNow (snapshot)31 May 2026
OfftakeLoad (any)Contracted471.18 MVAUnknownNow (snapshot)31 May 2026
OfftakeLoad (any)Contracted86.24 MVAUnknownpast_connection_activityvariant: connection_offers_accepted31 May 2026
OfftakeLoad (any)Contracted13Unknownpast_connection_activityvariant: connection_offers_accepted_count31 May 2026
OfftakeLoad (any)Requested5.05 MVAUnknownpast_connection_activityvariant: budget_estimates_provided31 May 2026
OfftakeLoad (any)Requested3Unknownpast_connection_activityvariant: budget_estimates_provided_count31 May 2026
OfftakeLoad (any)Requested466.1 MVAUnknownpast_connection_activityvariant: connection_offers_made31 May 2026
OfftakeLoad (any)Requested17Unknownpast_connection_activityvariant: connection_offers_made_count31 May 2026
OfftakeOther storageConnected0 MVAUnknownNow (snapshot)31 May 2026
OfftakeOther storageContracted19 MVAUnknownNow (snapshot)31 May 2026

SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)

What each value means

Methodology, both clocks, provenance and rights

Injection · Generation (any) · Connected

160.99 MVA

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

Granted

The operator's latest published dataset reports 160.99 MVA under methodology gb_ssen_ltds_heatmap_2026.

Firmness
Unknown
Horizon
Now (snapshot)
Methodology
gb_ssen_ltds_heatmap_2026SSEN LTDS Capacity Heatmapbasis operator calculated · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138_Generation · payload sha256 bf68a496ae5d…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: aggregate
true
Operator note: child class
Generators
Operator note: child name
Iver 132kV - Generation
Operator note: source field
Generators.generationConnectedCapacity
Operator note: voltage kv
132

Injection · Generation (any) · Contracted

358.85 MVA

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

Granted

The operator's latest published dataset reports 358.85 MVA under methodology gb_ssen_ltds_heatmap_2026.

Firmness
Unknown
Horizon
Now (snapshot)
Methodology
gb_ssen_ltds_heatmap_2026SSEN LTDS Capacity Heatmapbasis operator calculated · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138_Generation · payload sha256 bf68a496ae5d…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: aggregate
true
Operator note: child class
Generators
Operator note: child name
Iver 132kV - Generation
Operator note: source field
Generators.generationContractedCapacity
Operator note: voltage kv
132

Injection · Generation (any) · Contracted

62.06 MVA

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

Granted

The operator's latest published dataset reports 62.06 MVA under methodology gb_ssen_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: connection_offers_accepted
Methodology
gb_ssen_ltds_heatmap_activity_2026SSEN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138/PastConnectionActivity/132kV · payload sha256 dbe79663d1f0…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
132
Operator note: periodEnd
2026-03-31T00:00:00.000+00:00
Operator note: periodStart
2025-04-01T00:00:00.000+00:00
Operator note: source field
generationConnectionOffersAcceptedCapacity

Injection · Generation (any) · Contracted

2

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

Granted

The operator's latest published dataset reports 2 count under methodology gb_ssen_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: connection_offers_accepted_count
Methodology
gb_ssen_ltds_heatmap_activity_2026SSEN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138/PastConnectionActivity/132kV · payload sha256 dbe79663d1f0…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
132
Operator note: periodEnd
2026-03-31T00:00:00.000+00:00
Operator note: periodStart
2025-04-01T00:00:00.000+00:00
Operator note: source field
generationConnectionOffersAcceptedCount

Injection · Generation (any) · Requested

2.11 MVA

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

Granted

The operator's latest published dataset reports 2.11 MVA under methodology gb_ssen_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: budget_estimates_provided
Methodology
gb_ssen_ltds_heatmap_activity_2026SSEN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138/PastConnectionActivity/132kV · payload sha256 dbe79663d1f0…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
132
Operator note: periodEnd
2026-03-31T00:00:00.000+00:00
Operator note: periodStart
2025-04-01T00:00:00.000+00:00
Operator note: source field
generationBudgetEstimatesProvidedCapacity

Injection · Generation (any) · Requested

1

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

Granted

The operator's latest published dataset reports 1 count under methodology gb_ssen_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: budget_estimates_provided_count
Methodology
gb_ssen_ltds_heatmap_activity_2026SSEN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138/PastConnectionActivity/132kV · payload sha256 dbe79663d1f0…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
132
Operator note: periodEnd
2026-03-31T00:00:00.000+00:00
Operator note: periodStart
2025-04-01T00:00:00.000+00:00
Operator note: source field
generationBudgetEstimatesProvidedCount

Injection · Generation (any) · Requested

124.89 MVA

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

Granted

The operator's latest published dataset reports 124.89 MVA under methodology gb_ssen_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: connection_offers_made
Methodology
gb_ssen_ltds_heatmap_activity_2026SSEN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138/PastConnectionActivity/132kV · payload sha256 dbe79663d1f0…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
132
Operator note: periodEnd
2026-03-31T00:00:00.000+00:00
Operator note: periodStart
2025-04-01T00:00:00.000+00:00
Operator note: source field
generationConnectionOffersMadeCapacity

Injection · Generation (any) · Requested

5

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

Granted

The operator's latest published dataset reports 5 count under methodology gb_ssen_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: connection_offers_made_count
Methodology
gb_ssen_ltds_heatmap_activity_2026SSEN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138/PastConnectionActivity/132kV · payload sha256 dbe79663d1f0…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
132
Operator note: periodEnd
2026-03-31T00:00:00.000+00:00
Operator note: periodStart
2025-04-01T00:00:00.000+00:00
Operator note: source field
generationConnectionOffersMadeCount

Injection · Other storage · Connected

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_ssen_ltds_heatmap_2026.

Firmness
Unknown
Horizon
Now (snapshot)
Methodology
gb_ssen_ltds_heatmap_2026SSEN LTDS Capacity Heatmapbasis operator calculated · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138_Storage · payload sha256 d0ae51ab8025…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: aggregate
true
Operator note: child class
Storage
Operator note: child name
Iver 132kV - Storage
Operator note: source field
Storage.generationConnectedCapacity
Operator note: voltage kv
132

Injection · Other storage · Contracted

19 MVA

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

Granted

The operator's latest published dataset reports 19 MVA under methodology gb_ssen_ltds_heatmap_2026.

Firmness
Unknown
Horizon
Now (snapshot)
Methodology
gb_ssen_ltds_heatmap_2026SSEN LTDS Capacity Heatmapbasis operator calculated · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138_Storage · payload sha256 d0ae51ab8025…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: aggregate
true
Operator note: child class
Storage
Operator note: child name
Iver 132kV - Storage
Operator note: source field
Storage.generationContractedCapacity
Operator note: voltage kv
132

Offtake · Load (any) · Connected

525.76 MVA

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

Granted

The operator's latest published dataset reports 525.76 MVA under methodology gb_ssen_ltds_heatmap_2026.

Firmness
Unknown
Horizon
Now (snapshot)
Methodology
gb_ssen_ltds_heatmap_2026SSEN LTDS Capacity Heatmapbasis operator calculated · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138_Demand · payload sha256 fd2430acab5f…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: aggregate
true
Operator note: child class
Demands
Operator note: child name
Iver 132kV - Demand
Operator note: source field
Demands.demandConnectedCapacity
Operator note: voltage kv
132

Offtake · Load (any) · Contracted

471.18 MVA

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

Granted

The operator's latest published dataset reports 471.18 MVA under methodology gb_ssen_ltds_heatmap_2026.

Firmness
Unknown
Horizon
Now (snapshot)
Methodology
gb_ssen_ltds_heatmap_2026SSEN LTDS Capacity Heatmapbasis operator calculated · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138_Demand · payload sha256 fd2430acab5f…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: aggregate
true
Operator note: child class
Demands
Operator note: child name
Iver 132kV - Demand
Operator note: source field
Demands.demandContractedCapacity
Operator note: voltage kv
132

Offtake · Load (any) · Contracted

86.24 MVA

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

Granted

The operator's latest published dataset reports 86.24 MVA under methodology gb_ssen_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: connection_offers_accepted
Methodology
gb_ssen_ltds_heatmap_activity_2026SSEN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138/PastConnectionActivity/132kV · payload sha256 dbe79663d1f0…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
132
Operator note: periodEnd
2026-03-31T00:00:00.000+00:00
Operator note: periodStart
2025-04-01T00:00:00.000+00:00
Operator note: source field
loadConnectionOffersAcceptedCapacity

Offtake · Load (any) · Contracted

13

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

Granted

The operator's latest published dataset reports 13 count under methodology gb_ssen_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: connection_offers_accepted_count
Methodology
gb_ssen_ltds_heatmap_activity_2026SSEN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138/PastConnectionActivity/132kV · payload sha256 dbe79663d1f0…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
132
Operator note: periodEnd
2026-03-31T00:00:00.000+00:00
Operator note: periodStart
2025-04-01T00:00:00.000+00:00
Operator note: source field
loadConnectionOffersAcceptedCount

Offtake · Load (any) · Requested

5.05 MVA

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

Granted

The operator's latest published dataset reports 5.05 MVA under methodology gb_ssen_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: budget_estimates_provided
Methodology
gb_ssen_ltds_heatmap_activity_2026SSEN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138/PastConnectionActivity/132kV · payload sha256 dbe79663d1f0…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
132
Operator note: periodEnd
2026-03-31T00:00:00.000+00:00
Operator note: periodStart
2025-04-01T00:00:00.000+00:00
Operator note: source field
loadBudgetEstimatesProvidedCapacity

Offtake · Load (any) · Requested

3

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

Granted

The operator's latest published dataset reports 3 count under methodology gb_ssen_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: budget_estimates_provided_count
Methodology
gb_ssen_ltds_heatmap_activity_2026SSEN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138/PastConnectionActivity/132kV · payload sha256 dbe79663d1f0…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
132
Operator note: periodEnd
2026-03-31T00:00:00.000+00:00
Operator note: periodStart
2025-04-01T00:00:00.000+00:00
Operator note: source field
loadBudgetEstimatesProvidedCount

Offtake · Load (any) · Requested

466.1 MVA

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

Granted

The operator's latest published dataset reports 466.1 MVA under methodology gb_ssen_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: connection_offers_made
Methodology
gb_ssen_ltds_heatmap_activity_2026SSEN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138/PastConnectionActivity/132kV · payload sha256 dbe79663d1f0…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
132
Operator note: periodEnd
2026-03-31T00:00:00.000+00:00
Operator note: periodStart
2025-04-01T00:00:00.000+00:00
Operator note: source field
loadConnectionOffersMadeCapacity

Offtake · Load (any) · Requested

17

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

Granted

The operator's latest published dataset reports 17 count under methodology gb_ssen_ltds_heatmap_activity_2026.

Firmness
Unknown
Horizon
past_connection_activity · variant: connection_offers_made_count
Methodology
gb_ssen_ltds_heatmap_activity_2026SSEN past connection activity (LTDS Capacity Heatmap)basis operator published · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138/PastConnectionActivity/132kV · payload sha256 dbe79663d1f0…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: connection voltage kv
132
Operator note: periodEnd
2026-03-31T00:00:00.000+00:00
Operator note: periodStart
2025-04-01T00:00:00.000+00:00
Operator note: source field
loadConnectionOffersMadeCount

Offtake · Other storage · Connected

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_ssen_ltds_heatmap_2026.

Firmness
Unknown
Horizon
Now (snapshot)
Methodology
gb_ssen_ltds_heatmap_2026SSEN LTDS Capacity Heatmapbasis operator calculated · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138_Storage · payload sha256 d0ae51ab8025…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: aggregate
true
Operator note: child class
Storage
Operator note: child name
Iver 132kV - Storage
Operator note: source field
Storage.demandConnectedCapacity
Operator note: voltage kv
132

Offtake · Other storage · Contracted

19 MVA

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

Granted

The operator's latest published dataset reports 19 MVA under methodology gb_ssen_ltds_heatmap_2026.

Firmness
Unknown
Horizon
Now (snapshot)
Methodology
gb_ssen_ltds_heatmap_2026SSEN LTDS Capacity Heatmapbasis operator calculated · network state unknown · comparability class gb_ssen_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
31 May 2026
Retrieved / confirmed
2026-09-26 02:47 UTClast confirmed unchanged 2026-09-26 02:47 UTC
Source health
Healthy
Provenance
gb_ssen_ltds_heatmaprecord _5250e9fd-4b6f-4d3f-8e8d-ae3c9b4c0138_Storage · payload sha256 d0ae51ab8025…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SSEN Distribution; SEPD and SHEPD Long Term Development Statement Capacity Heatmap; https://data.ssen.co.uk/@ssen-distribution/sepd_long_term_development_statement, https://data.ssen.co.uk/@ssen-distribution/shepd_long_term_development_statement; CC BY 4.0 (last updated 2026-05-31)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: aggregate
true
Operator note: child class
Storage
Operator note: child name
Iver 132kV - Storage
Operator note: source field
Storage.demandContractedCapacity
Operator note: voltage kv
132

History

Served series only

Offtake · Load (any) · Connected

current 525.76 MVA

26 Sep 2026: 525.76 MVA
26 Sep 2026range 525.76–525.76 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current525.76 MVA

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

Offtake · Load (any) · Contracted

current 471.18 MVA

26 Sep 2026: 471.18 MVA
26 Sep 2026range 471.18–471.18 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current471.18 MVA

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

Injection · Generation (any) · Connected

current 160.99 MVA

26 Sep 2026: 160.99 MVA
26 Sep 2026range 160.99–160.99 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current160.99 MVA

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

Injection · Generation (any) · Contracted

current 358.85 MVA

26 Sep 2026: 358.85 MVA
26 Sep 2026range 358.85–358.85 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current358.85 MVA

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

Offtake · Other storage · Connected

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 · Other storage · Contracted

current 19 MVA

26 Sep 2026: 19 MVA
26 Sep 2026range 19–19 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current19 MVA

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

Injection · Other storage · Connected

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.

Injection · Other storage · Contracted

current 19 MVA

26 Sep 2026: 19 MVA
26 Sep 2026range 19–19 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current19 MVA

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

Offtake · Load (any) · Requested · past_connection_activity

current 5.05 MVA

26 Sep 2026: 5.05 MVA
26 Sep 2026range 5.05–5.05 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current5.05 MVA

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

Offtake · Load (any) · Requested · 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.

Offtake · Load (any) · Requested · past_connection_activity

current 466.1 MVA

26 Sep 2026: 466.1 MVA
26 Sep 2026range 466.1–466.1 MVA26 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current466.1 MVA

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

Offtake · Load (any) · Requested · past_connection_activity

current 17

26 Sep 2026: 17
26 Sep 2026range 17–1726 Sep 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current17

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

The first 12 of 20 served series with a history. The history route returns every one of them.

Through the API

curl "https://api.gridcapacityapi.com/v1/substations/sub_06gdq72db5vfd8j25ytk63va90/capacity" \  -H "Authorization: Bearer gc_live_..."
Iver 132kV substation: grid capacity (SSEN Distribution) · GridCapacity API