The Australian Energy Regulator (AER) conducts a compliance check annually to ensure that distributors comply with the distribution determination price controls and that the total revenue recovered from consumers is no more than required for a safe and reliable electricity supply.
We, at Empower, have performed a detailed analysis on network costs AER approved for distributors in Victoria which was from effective 1 January 2019. The following table presents the average network price changes for various tariffs under respective distributors.
| Distributor | Tariff | Variation | Comment |
| Ausnet | Small C&I tariffs (<160 MWh) | 5.6% increase | Average in total cost |
| Ausnet | Medium Business (160- 400 MWh) | 6.35% increase | Average in total cost |
| Ausnet | Large Low Voltage (>400 MWh) | 5.87% increase | Average in total cost |
| United | Small Single Rate (20-40 MWh) | 3.24% increase in fixed charge, 8% decrease in summer usage charge and 12.6% increase in winter usage charge |
|
| United | Time of Use (20-160 MWh) | 4.96% increase | -Average in total cost (4.90% increase in demand costs). - UE has 50% revenue from energy charges and other 50% from demand charges.
|
| United | Low Voltage Medium (40-400 MWh) | Anytime usage charge decreases by 37.66% while summer and non-summer demand charges increase by 111.9%. | UE has 75% revenue targeted from usage energy charges and 25% from demand charges for low voltage medium 1 rate tariff. |
| Jemena | Small Business (<40 MWh) | 0.9 % decrease |
|
| Jemena | Large Business low voltage (40-80 MWh/(80-220 MWh) | 1.4% decrease |
|
| Jemena | Large Business high voltage( 220-600 MWh) | 1.7 % decrease |
|
| CitiPower | Non-Residential Single rate (<60 MWh) | 3.45% increase | Increase of $5 in fixed charge only. Usage and demand charges remains same. |
| CitiPower | Medium business cost reflective (>60 MWh) | 25% increase in fixed charges, 108.7% increase in summer and non-summer demand charges. Peak usage charge decreases by 22.17%. Off peak usage increases by 0.45%. |
|
| CitiPower | Medium business opt-out (<160 MWh) | 25% increase | Increase of $200 in fixed charge only. Less than 0.5% increase in usage charges. |
| CitiPower | Large Low Voltage | 1.19% decrease | Average in total cost |
| Powercor | Non-Residential Single rate (<60 MWh) | 6.25% | Increase of $10 in the fixed charge. Less than 1% decrease in usage and demand charges. |
| Powercor | Medium business cost reflective (>60 MWh) | 22.2% increase in fixed charges, 101% increase in summer and non-summer demand charges. Peak usage charge decreases by 22.2%. Off peak usage remains same. |
|
| Powercor | Medium business opt-out (<160 MWh) | 22.2% increase | Increase of $200 in fixed charge only. Less than 0.5% increase in usage charges. |
| Powercor | Large Low Voltage | 3.8 % in fixed charge and 2.56% decrease in usage and demand costs. | Increase of $300 in fixed charge. |