Sa Power Networks (SAPN) in South Australia has announced that from July 1 of this year he will introduce an export tariff – sometimes incorrectly referred to as “solar tax”. Here is the reason how it works and how much it will cost.
SAPN has classified itself during the day with the management of an increased quality of solar energy in South Australia – a network that was originally designed for energy supply in one direction. From generator to consumer. Too much of this special good cause can threaten the stability and equipment of electricity networks.
The introduction of inverter limits, flexible solarports with remote writings/re -discovery and pioneering work is among the previous measures. But it seems that that won’t be enough.
SAPN says that the South Australians can continue to export electricity from their solar collectors into the future, targeted network upgrades must be carried out and intended to invest around 82 million US dollars in related projects and services between 2030. Some of the work includes upgrading the voltage control at SAPN circumstances and the establishment of New Street Transformers.
“These upgrades will benefit every customer in the state over time, even if they are without solar – but those with solar will achieve more and more direct advantages. This investment is enabled by an export tariff,” explains SAPN. “It means that the upgrades electricity network are financed by those who benefit the most to support these energy exports. This makes it more fair for those who do not have the ability to export energy.”
How Sapn’s solar export tariff will work
The export tariff is only used for excess energy exports and only via a “free” threshold at certain times. It will:
- of July 1, 2025;
- charged to electricity retailers who decide whether/how to pass on this fee; eg as a feed -in reduction;
- Apply for all customers of residential and small companies that are exported by Solar -PV, batteries and V2G connection with an inverter capacity of up to 30 kW alternating current.
- Apply for flexible export customers.
- Do not apply for the first 9 kilowatt hours (kWh), which were exported to the network per day between 10 a.m. and 4 p.m. for customers with an interval measuring device (intelligently).
- for the first 11 kWh per day between 10 a.m. and 4 p.m. for customers with an accumulation (spinning discs/dial); And
- Do not register on exported electricity outside from 10 a.m. to 4 p.m.
If a housing studies do not use the entire daily free export, it can be used on another day within the billing cycle (usually 90 days). There is also a rollover function for small business customers, but their billing cycles are usually shorter (30 to 31 days). In addition, the unused daily free export of companies on a “working day” can only be used on another working day, while the non-daily free export of a “non-working day” can only be used on another non-working day.
How much does the SA export tariff cost?
Electricity retailers are calculated 1 ° C per kWh for exports from customers with interval meters and 0.75 ° C per kWh for customers with accumulation meters. Over the free daily threshold values between 10 a.m. and 4 p.m.
SAPN says if a retailer adopted customs for the average household (5 kW inverters and medium -sized self -consumption/exports), it costs around $ 1.50 per month. For the average small business (based on a 15 kW inverter with medium self-consumption/exports), it costs around $ 6.00 per month.
Solar quotes’ Ronald Brakels crunched some numbers that referred to households with an intelligent measuring device, and here is what he came up with.
“With a house with typical electricity consumption of 6.6 kW in the north, it will be an average of around 0.5 ° C per kWh of the highest output month in January. In June, it shouldn’t be anything. In this case, it will be exported on average about 0.3 ° C per kWh.
For larger systems, e.g. B. 20 kW, 30 kW, it approaches 1 ° C per kWh, but it never really reaches it.
The result of the export tariff should be a small decline in the solar feed-in tariffs offered by the electricity dealers. However, the export tariff will also contribute to annoying size restrictions for the solar systems for electricity plans. “
A small carrot with the stick – for some
SAPN mentions that some customers may also receive a credit on the standard feed-in tariffs if they export at times when other customers need them the most.
“If you are at the Sa Power Networks tariff from Customer Choice Electrify tariff, SA Power Networks will pay your retailer a credit of 12-13 cents per kWh for energy that will be exported between 5 p.m. and 9 p.m.
I think this refers to Sapn’s “residential tariff” for residential buildings – or the like – here and here. It has stronger price signals than the standard tariff for residential fees (Tou).
Minimization of the effects
Maxing the self -consumption of solar energy by actions such as determining an electric hot water system on a timer has been the name of the game for years, and now even more with the introduction of export tariffs.
But there are only so many households that can strengthen themselves, especially if nobody at home during the window from 10 a.m. to 4 p.m. Although the cost effects should be independent of minimal, the introduction of export tariffs in South Australia could also provide a little additional motivation for some to consider a home battery – especially in view of the official start of the Battery battery, less than three weeks is removed.
“The installation of a battery reduces the amount of export tariff paid because exports are reduced,” says Ronald. “If people absolutely want to reduce their export tariff amount, they could determine their battery to only charge at 10 a.m.
For those who think about the installation of solar collectors, he added:
“If you reduce the selection tariff in the east/west facial panel, this is partly due to a lower overall performance compared to North panels, but also because they produce more outside from 10 a.m. to 4 p.m. and because these houses have higher self-consumption.”
Further information can be found on the SAPN -Export tariff -declaration page.
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