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Substation / 6.6 kV / primary

CIRCLE SQ

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)Available24.203516 MWConditionalNow (snapshot)variant: inverter_based14 Aug 2026
InjectionGeneration (any)Available11.3286 MWConditionalNow (snapshot)variant: synchronous_lv14 Aug 2026
InjectionGeneration (any)Available8.265658 MWConditionalNow (snapshot)variant: synchronous_hv14 Aug 2026
OfftakeLoad (any)Available17.216964 MWConditionalNow (snapshot)14 Aug 2026
OfftakeLoad (any)Available0 MWFirmNow (snapshot)14 Aug 2026
BidirectionalBatteryAvailable17.216964 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

24.203516 MW

Granted

The operator's latest published dataset reports 24.203516315 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:CIRCLE SQ · payload sha256 f4e0c2826422…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

11.3286 MW

Granted

The operator's latest published dataset reports 11.32859992 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:CIRCLE SQ · payload sha256 f4e0c2826422…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

8.265658 MW

Granted

The operator's latest published dataset reports 8.265657742 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:CIRCLE SQ · payload sha256 f4e0c2826422…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

17.216964 MW

Granted

The operator's latest published dataset reports 17.216964006 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:CIRCLE SQ · payload sha256 f4e0c2826422…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

0 MW

Granted

The operator's latest published dataset reports 0 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:CIRCLE SQ · payload sha256 f4e0c2826422…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

17.216964 MW

Granted

The operator's latest published dataset reports 17.216964006 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:CIRCLE SQ · payload sha256 f4e0c2826422…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 0 MW

26 Sep 2026: 0 MW
26 Sep 2026range 0 to 0 MW2 Oct 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current0 MW

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

Offtake · Load (any) · Available

current 17.216964 MW

26 Sep 2026: 17.216964 MW
26 Sep 2026range 17.216964 to 17.216964 MW2 Oct 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current17.216964 MW

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

Injection · Generation (any) · Available

current 24.203516 MW

26 Sep 2026: 24.203516 MW
26 Sep 2026range 24.203516 to 24.203516 MW2 Oct 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current24.203516 MW

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

Injection · Generation (any) · Available

current 11.3286 MW

26 Sep 2026: 11.3286 MW
26 Sep 2026range 11.3286 to 11.3286 MW2 Oct 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current11.3286 MW

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

Injection · Generation (any) · Available

current 8.265658 MW

26 Sep 2026: 8.265658 MW
26 Sep 2026range 8.265658 to 8.265658 MW2 Oct 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current8.265658 MW

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

Bidirectional · Battery · Available

current 17.216964 MW

26 Sep 2026: 17.216964 MW
26 Sep 2026range 17.216964 to 17.216964 MW2 Oct 2026
1 published value, as a table
Observed fromUntilValue
26 Sep 2026current17.216964 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_06gdq6jnj9v4fbz7j6gsawgbmw/capacity" \  -H "Authorization: Bearer gc_live_..."
CIRCLE SQ 6.6 kV substation: grid capacity (SP Electricity North West) · GridCapacity API