Australia · Western Australia · SWIS

South West Interconnected System

Live

Principal interconnected system of south-west Western Australia.

Grid intensity · average

0.530 kgCO2e/kWh

HIGH

Australia → SWIS

System: South West Interconnected System
Grid region: —
Resolution: ANNUAL
Observed / modelled: observed
Period: 2024-01-01 → 2024-12-31
Source: National Greenhouse Accounts Factors 2024
Methodology: NGA Scope 2 location-based electricity factor · v2024
Licence: Commonwealth of Australia: attribution required; verify edition notice

Location-based Scope 2 electricity factor. Not a marginal emissions intensity.

Provenance

{
  "value_field": "average_emissions_intensity",
  "electricity_system": "South West Interconnected System",
  "grid_region": null,
  "time_period": {
    "start": "2024-01-01T00:00:00.000Z",
    "end": "2024-12-31T23:59:59.000Z"
  },
  "temporal_resolution": "ANNUAL",
  "methodology": "NGA Scope 2 location-based electricity factor",
  "methodology_version": "2024",
  "source_data": "Scope 2 location-based electricity emission factors",
  "source_organisation": "Australian Government, DCCEEW",
  "source_timestamp": "2024-edition",
  "transformations": [
    "Published state/territory factor recorded as average emissions intensity",
    "Unit retained as kgCO2e/kWh",
    "Mapped to electricity system / NEM region without fabricating sub-annual precision"
  ],
  "uncertainty": "Annual location-based factor. Dispatch-level variance is not represented.",
  "confidence_label": "HIGH",
  "confidence_score": 0.82,
  "licence": "Commonwealth of Australia: attribution required; verify edition notice",
  "notes": "Source edition: NGA Factors 2024. Confirm against official tables when updating."
}