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Substation / 6.6 kV / primary

WILLOWBANK

SP Electricity North West / United Kingdom

Latest published values

6 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)Available25.370839 MWConditionalNow (snapshot)variant: inverter_based14 Aug 2026
InjectionGeneration (any)Available13.151336 MWConditionalNow (snapshot)variant: synchronous_lv14 Aug 2026
InjectionGeneration (any)Available9.595576 MWConditionalNow (snapshot)variant: synchronous_hv14 Aug 2026
OfftakeLoad (any)Available7.501065 MWConditionalNow (snapshot)14 Aug 2026
OfftakeLoad (any)Available2.86455 MWFirmNow (snapshot)14 Aug 2026
BidirectionalBatteryAvailable7.501065 MWConditionalNow (snapshot)14 Aug 2026

SP Electricity North West, Heatmap Tool (CC BY 4.0) (last updated 2026-08-14)

What each value means

Methodology, both clocks, provenance and rights

Injection · Generation (any) · Available

25.370839 MW

Granted

The operator's latest published dataset reports 25.370839146 MW under methodology gb_enwl_heatmap_tool_2026.

Firmness
Conditional
Horizon
Now (snapshot) · variant: inverter_based
Methodology
gb_enwl_heatmap_tool_2026ENWL Heatmap Tool: primary and BSP headroombasis operator calculated · network state unknown · comparability class gb_enwl_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
14 Aug 2026
Retrieved / confirmed
2026-09-26 02:45 UTClast confirmed unchanged 2026-10-02 08:21 UTC
Source health
Healthy
Provenance
gb_enwl_heatmap_toolrecord primary:WILLOWBANK · payload sha256 721a9d3aa566…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SP Electricity North West, Heatmap Tool (CC BY 4.0) (last updated 2026-08-14)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
Generation Headroom N-0 -(MW) / Inverter Based

Injection · Generation (any) · Available

13.151336 MW

Granted

The operator's latest published dataset reports 13.151336258 MW under methodology gb_enwl_heatmap_tool_2026.

Firmness
Conditional
Horizon
Now (snapshot) · variant: synchronous_lv
Methodology
gb_enwl_heatmap_tool_2026ENWL Heatmap Tool: primary and BSP headroombasis operator calculated · network state unknown · comparability class gb_enwl_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
14 Aug 2026
Retrieved / confirmed
2026-09-26 02:45 UTClast confirmed unchanged 2026-10-02 08:21 UTC
Source health
Healthy
Provenance
gb_enwl_heatmap_toolrecord primary:WILLOWBANK · payload sha256 721a9d3aa566…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SP Electricity North West, Heatmap Tool (CC BY 4.0) (last updated 2026-08-14)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
Generation Headroom N-0 -(MW) / Synchronous - LV

Injection · Generation (any) · Available

9.595576 MW

Granted

The operator's latest published dataset reports 9.595576251 MW under methodology gb_enwl_heatmap_tool_2026.

Firmness
Conditional
Horizon
Now (snapshot) · variant: synchronous_hv
Methodology
gb_enwl_heatmap_tool_2026ENWL Heatmap Tool: primary and BSP headroombasis operator calculated · network state unknown · comparability class gb_enwl_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
14 Aug 2026
Retrieved / confirmed
2026-09-26 02:45 UTClast confirmed unchanged 2026-10-02 08:21 UTC
Source health
Healthy
Provenance
gb_enwl_heatmap_toolrecord primary:WILLOWBANK · payload sha256 721a9d3aa566…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SP Electricity North West, Heatmap Tool (CC BY 4.0) (last updated 2026-08-14)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
Generation Headroom N-0 -(MW) / Synchronous - HV

Offtake · Load (any) · Available

7.501065 MW

Granted

The operator's latest published dataset reports 7.501065294 MW under methodology gb_enwl_heatmap_tool_2026.

Firmness
Conditional
Horizon
Now (snapshot)
Methodology
gb_enwl_heatmap_tool_2026ENWL Heatmap Tool: primary and BSP headroombasis operator calculated · network state unknown · comparability class gb_enwl_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
14 Aug 2026
Retrieved / confirmed
2026-09-26 02:45 UTClast confirmed unchanged 2026-10-02 08:21 UTC
Source health
Healthy
Provenance
gb_enwl_heatmap_toolrecord primary:WILLOWBANK · payload sha256 721a9d3aa566…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SP Electricity North West, Heatmap Tool (CC BY 4.0) (last updated 2026-08-14)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
Demand Headroom (MW) / N-0

Offtake · Load (any) · Available

2.86455 MW

Granted

The operator's latest published dataset reports 2.86455 MW under methodology gb_enwl_heatmap_tool_2026.

Firmness
Firm
Horizon
Now (snapshot)
Methodology
gb_enwl_heatmap_tool_2026ENWL Heatmap Tool: primary and BSP headroombasis operator calculated · network state unknown · comparability class gb_enwl_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
14 Aug 2026
Retrieved / confirmed
2026-09-26 02:45 UTClast confirmed unchanged 2026-10-02 08:21 UTC
Source health
Healthy
Provenance
gb_enwl_heatmap_toolrecord primary:WILLOWBANK · payload sha256 721a9d3aa566…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SP Electricity North West, Heatmap Tool (CC BY 4.0) (last updated 2026-08-14)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
Demand Headroom (MW) / Firm

Bidirectional · Battery · Available

7.501065 MW

Granted

The operator's latest published dataset reports 7.501065294 MW under methodology gb_enwl_heatmap_tool_2026.

Firmness
Conditional
Horizon
Now (snapshot)
Methodology
gb_enwl_heatmap_tool_2026ENWL Heatmap Tool: primary and BSP headroombasis operator calculated · network state unknown · comparability class gb_enwl_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
14 Aug 2026
Retrieved / confirmed
2026-09-26 02:45 UTClast confirmed unchanged 2026-10-02 08:21 UTC
Source health
Healthy
Provenance
gb_enwl_heatmap_toolrecord primary:WILLOWBANK · payload sha256 721a9d3aa566…Operator’s publication (opens the operator’s site)
Licence
CC BY 4.0Attribution: SP Electricity North West, Heatmap Tool (CC BY 4.0) (last updated 2026-08-14)
Decision context
Not binding · indicative · a formal connection study is required
Operator note: source field
Battery Storage Headroom N-0 -(MW)

History

Served series only

Offtake · Load (any) · Available

current 2.86455 MW

26 Sep 2026: 2.86455 MW
26 Sep 2026range 2.86455 to 2.86455 MW2 Oct 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current2.86455 MW

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

Offtake · Load (any) · Available

current 7.501065 MW

26 Sep 2026: 7.501065 MW
26 Sep 2026range 7.501065 to 7.501065 MW2 Oct 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current7.501065 MW

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

Injection · Generation (any) · Available

current 25.370839 MW

26 Sep 2026: 25.370839 MW
26 Sep 2026range 25.370839 to 25.370839 MW2 Oct 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current25.370839 MW

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

Injection · Generation (any) · Available

current 13.151336 MW

26 Sep 2026: 13.151336 MW
26 Sep 2026range 13.151336 to 13.151336 MW2 Oct 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current13.151336 MW

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

Injection · Generation (any) · Available

current 9.595576 MW

26 Sep 2026: 9.595576 MW
26 Sep 2026range 9.595576 to 9.595576 MW2 Oct 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current9.595576 MW

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

Bidirectional · Battery · Available

current 7.501065 MW

26 Sep 2026: 7.501065 MW
26 Sep 2026range 7.501065 to 7.501065 MW2 Oct 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current7.501065 MW

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

Through the API

curl "https://api.gridcapacityapi.com/v1/substations/sub_06gdq6jnjdszf095gcttrc0rh8/capacity" \  -H "Authorization: Bearer gc_live_..."
WILLOWBANK 6.6 kV substation: grid capacity (SP Electricity North West) · GridCapacity API