Are photo voltaic panels nonetheless definitely worth the funding in Melbourne? It could appear so: Based on knowledge from the Australian Photovoltaic Institute some sububs in Melbourne (resembling Clyde) have over 70% of the roofs with a photo voltaic panel set up. Maybe you’re already satisfied about the associated fee saving advantages of going photo voltaic. You simply wish to know the perfect photo voltaic panels to put in in your roof. This text takes a have a look at the case for solar energy in Melbourne, Victoria.
Excited by solar energy to your Melbourne-based enterprise? See our article on Business Photo voltaic Energy in Melbourne.
How a lot energy do photo voltaic panels produce in Melbourne?
Based on PVWatts, a typical Melbourne dwelling’s roof receives about 4.8 kilowatt-hours (kWh) of uncooked sunshine per sq. meter per day, whereas the Bureau of Meteorology web site averages work out to about 4.18kWh. Important, this daylight is the ‘gas’ for the system. If a photo voltaic PV system may very well be 100% environment friendly (which isn’t bodily potential), a 1 kilowatt (kW) photo voltaic system in Melbourne would produce between 4.18kWh – 4.8kWh of vitality per day, and a 2kW system would produce between 8.36kWh – 9.6kWh per day.
In actual life, nonetheless, there are effectivity losses that should be taken into consideration between the time the solar hits your panels and when it exits the system’s inverter. The desk under exhibits tough each day vitality output figures for a spread of common photo voltaic system sizes if put in on a north-facing roof within the Melbourne space, assuming an effectivity lack of about 25% (to be conservative).
Estimated photo voltaic panel energy manufacturing in Melbourne for common system sizes |
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Photo voltaic system dimension (kilowatts) | Avg each day system output* (kilowatt-hours) | Annual Output* (kilowatt-hours) |
2kW | 6.3kWh – 7.2kWh | 2,445 kWh |
3kW | 9.4kWh – 10.8kWh | 3,686 kWh |
4kW | 12.5kWh – 14.4Wh | 4,927 kWh |
5kW | 15.7kWh -18.5kWh | 6,241 kWh |
7kW | 21.9kWh – 25.2kWh | 8,614 kWh |
10kW | 31.4kWh – 36kWh | 12,300 kWh |
* Output calculated utilizing PVsyst software
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How photo voltaic vitality saves you cash
If you find yourself grid-connected with no photo voltaic system, it’s important to buy your whole electrical energy from an vitality retailer. Sometimes, you’ll pay at the very least 21c for each kilowatt-hour that you simply use.
Having photo voltaic panels will help you lower your expenses by decreasing your must buy vitality from the grid – each unit of photo voltaic vitality that you simply ‘self-consume’ in your house is a unit that you do not want to pay for. You may also earn credit for promoting your vitality into the grid (present state minimal set at 6.7c per kWh), however you’ll save far extra money by specializing in maximising your photo voltaic self-consumption.
There are two methods to make sure you’re utilizing as a lot of your photo voltaic vitality as potential:
- Ensure your system is the best dimension to your dwelling, and
- Know your electrical energy consumption sample and behave accordingly.
What rebates exist for photo voltaic panels and batteries in Victoria
Federal STC Upfront Rebate
For these searching for photo voltaic rebates, the federal authorities’s Renewable Vitality Goal incorporates a mechanism that reduces the up-front value of photo voltaic installations beneath 100kW in capability. The precise worth of the inducement is determined by a lot of components resembling location and system dimension, however normally works out to be about 30% of the full set up value.
For instance a generally chosen 6.6kW photo voltaic panel system would create 70 certificates (utilizing the Clear Vitality Regulator’s calculator) and at a present value of $36.9 per certificate that may result in a rebate of $2,583.
Photo voltaic Victoria Rebate
Photo voltaic Victoria is the physique the state authorities has setup handle the supply of the Victorian Authorities’s Photo voltaic House Program – which provides an extra rebate to the federal program to eligible households. Importantly that is along with the federal STC rebate talked about above – you don’t have to decide on between them.
If eligible, your rebate may very well be as excessive as $1,400 for photo voltaic panels and $3,500 for photo voltaic batteries. There are additionally curiosity free loans out there for eligible Victorians. To entry this rebate you will have to help of a CEC Approved Solar Retailer – you possibly can immediately view view quotes from through our on-line comparability within the hyperlink under.
Examine quotes from as much as 7 installers in your space now.
How a lot do photo voltaic panels value in Melbourne?
Thanks in nice half to the STC rebate and the Victorian State scheme, Melbourne is dwelling to a number of the lowest PV system set up costs on the earth – one of many causes that there’s such a lot of rooftop photo voltaic put in throughout the state. Photo voltaic Alternative has been monitoring value traits in Australia’s capital cities since 2012 in our month-to-month Photo voltaic PV Worth Index. The under tables exhibits that the price of photo voltaic in Melbourne may be very near the nationwide common.
Primarily based on our date from March 2022, the typical value of a standard 6.6kW photo voltaic panel system in Melbourne is $5,030 together with the STC rebate and GST however excluding the state rebate. So in case you are eligible for the state rebate your prices may very well be even decrease!
As you possibly can see from the under graph the price of photo voltaic panels in Melbourne and throughout Australia has fallen considerably over the past decade because the effectivity of manufacturing scale of photo voltaic gear has quickly elevated.
Examine quotes from as much as 7 installers in your space now.
Are photo voltaic panels price it in Melbourne?
Based on our evaluation, Victorians who’re eligible for the Photo voltaic Victoria rebate have the perfect case for photo voltaic anyplace in Australia, together with these within the sunny northern components. As you possibly can see within the desk under for typical Melbourne use instances, owners can save as much as $2,200 on their annual vitality prices with a payback between 3-5 years.
The costs within the under desk are common prices, nonetheless you possibly can view a full vary of quotes on our free to make use of on-line comparability portal. Take into account, nonetheless, that whereas decrease costs don’t at all times essentially imply decrease high quality, they need to be approached with a wholesome diploma of warning; a photo voltaic panel system ought to proceed to supply energy for as much as 25 years (with inverter replacements each 7-13 years). Any system downtime (as a consequence of part failure, for instance) will lead to prolonged payback durations – to not point out the prices that could be incurred for repairs/replacements not coated beneath product guarantee.
The self-consumption ratio of 40% assumes that there’s a affordable quantity of vitality use throughout the daytime. In case you are out of the home day-after-day and solely use vitality within the morning and night (and are unable to maneuver your energy hundreds like dishwashers and washing machines to the center of the day) you could expertise decrease monetary returns that what’s image under.
Indicative Returns for photo voltaic panel techniques in Melbourne– Up to date March 2022 – |
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Photo voltaic Panel Measurement | Common Value (after rebates) | Common Day by day Vitality Utilization | Self Consumption Charge | Annual Financial savings | Payback Interval |
5kW | $3,260 | 15 kWh | 40% | $756 | 4.2 Years |
6.6kW | $3,630 | 20 kWh | 40% | $1,004 | 3.6 Years |
10kW | $6,980 | 30 kWh | 40% | $1,513 | 4.5 Years |
15kW | $11,140 | 45 kWh | 40% | $2,269 | 4.8 Years |
Assumptions/limitations of this evaluation
- Assumes vitality value of 22c / kWh which is in the direction of the center of what’s provided in Melbourne
- Assumes a photo voltaic feed in tariff of 6.7c / kWh which is the present state minimal
- Common prices come from the Photo voltaic Alternative Worth Index for March 2022 however add within the Photo voltaic Victoria rebate of $1,400
- Your self-consumption charge will range relying on how you utilize energy in your house. At increased charge, means much less energy is exported to the grid and improves your monetary return
What about photo voltaic battery storage in Melbourne?
Basically, the return on funding for photo voltaic batteries in Australia is decrease than photo voltaic panels. That is primarily as a consequence of the truth that the price of batteries hasn’t (but) gone by the dramatic fall in value that we’ve got seen photo voltaic panels take over the past ten years.
At Photo voltaic Alternative we’re following these costs very carefully and we repeatedly carry out an evaluation of the monetary return of batteries in our ‘Are photo voltaic batteries price it?‘ article. The quick reply is, regardless of the state authorities rebate of $3,500, for most individuals the monetary payback alone is not going to benefit the excessive value required to put in a battery.
See the under 3 use instances we’ve got examined carefully to evaluate the payback interval for an optimally sized photo voltaic and battery system. Notice every use case has a unique vitality utilization load profile which impacts their financial savings.
Person Case | Photo voltaic and Battery Resolution | Complete Yr 1 Financial savings | Payback Interval Photo voltaic & Battery | Payback Interval Battery Solely |
Younger Adults / Older Household | 5kW of Photo voltaic Panels and a 3.5 kWh battery | $890 | 8.3 years | > 20 years |
Retirees / Younger households | 6.6kW of Photo voltaic Panels and a 6.5 kWh battery | $1,311 | 7.1 years | 18.9 years |
Massive Vitality Person | 13 kW of Photo voltaic Panels and a 13.5 kWh battery | $2,262 | 8.9 years | > 20 years |
To see all of our assumptions and the methodology of this evaluation see our full article.
Why then are so many Victorians putting in batteries alongside their photo voltaic panels? For many individuals the chance to entry a $3,500 rebate is just too good to go up, while for others there are some non-financial causes that inspire the set up of a battery. After current bushfire seasons vitality safety has risen to the highest of everybody’s minds and the one method to maintain the lights on in your home with out putting in a generator is having a photo voltaic and battery system.
Additionally vital to say that the transition away from coal energy in Australia received’t be potential with out far more battery capability. Whereas it’s not going to be the duty of householders to produce this capability, each little bit helps!
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