Energy margin
The weekly energy margin data from gentailers for July to December 2024.
- Prices
- Consumer
- Competition
- Wholesale
What is the energy margin?
The energy margin is the difference between the total revenue earned from generating electricity and the total costs incurred in generating that electricity. It is not generators’ profits, as operational costs such as staffing, office overheads, maintenance and repairs are not included.
The energy margin is a measure of profitability. That is, if energy margins are particularly high (or low) for a short period, it indicates that profits could be particularly high (or low) at that time.
The energy margin data below is from July to December 2024. The Electricity Authority requested the data for this period under the Electricity Industry Act, following the significant spike in wholesale electricity prices in July and August 2024.
The total energy margin across all gentailers varied from $60 to $95 million per week from July to December 2024, with an average energy margin of $76 million.
This data was analysed and published as part of our review of winter 2024.
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