Solar Battery growth rises in 2017.

Solar battery growth continues to rise exponentially – the huge rises in the price of electricity over the past 36 months have led to a record uptake in the number of Australian households opting to install solar batteries for energy storage. Although still in its relative infancy, the technology is being adopted at a rapid rate and there’s no doubt it’s only a matter of time before every house with solar power has some sort of solar battery installed. 

Solar Battery Growth

According to a solar energy report quoted in the Herald Sun, around 7,000 solar battery system were sold and installed across Australia in the first six months of the year, compared to 6,500 last year. Queensland leads the charge, with New South Wales and Victoria close behind. In a market that has already doubled in two years, there is still a way to go before we see solar batteries as ubiquitous in Aussie households, but things are heading in the right direction, and a lot faster than you may think!

Tesla Powerwall 2 Solar Battery Growth
Tesla Powerwall 2 – a catalyst for solar battery growth.

Volkswagen just announced they will spend $50b on energy storage battery technology for its new line of EV cars – there are whispers about the Tesla Powerwall 3 – what’s next for solar battery growth?

Solar Battery Comparisons

There are a lot of different options on the market right now – a bunch of people are still waiting until the technology ‘catches up’ but solar storage can already be quite affordable – with average costs between $4,000 and $13,000, depending on the size/brand you choose. The Herald Sun estimates that it will take approximately eight years for a solar panel + storage system to pay for itself – i.e. it’s not economically viable for everybody right now but depending on your individual circumstances it’s far from a pipe dream. With that said, prices are expected to drop by up to 30% over the next few years as production ramps up and advances in the technology are factored in. 

If you’re interested in doing some research about energy storage, we have a page about the Tesla Powerwall 2 and its alternatives and competitors – there are many options to choose from such as Fronius, BYD B-Box, Redflow, LG Chem, sonnenBatterie, Enphase, Eaton Nissan xStorage, and so on. Make sure you figure out exactly what you need (e.g. grid or off grid? If you’re on-grid do you want power in a blackout? How much power do you need)   and do your due diligence before committing to a system – and if you already have solar panels make sure the storage system and inverter will pair correctly – not all solar systems are created equal! If you have any questions feel free to give us an email or sound off in the comments below – we’d be happy to help.  

 

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Volkswagen Electric Car / Battery – $84b Investment

Volkswagen electric car news – they have announced an $84b investment to create a range of electric vehicles – with plans to have electric versions of all 300 models by 2030. Of this $84b, $50b will be invested in battery production to support these vehicles – not directly linked to solar energy but definitely something that will have myriad benefits for the energy storage industry as a whole. 

The Volkswagen Electric Car / Battery Investment

Volkswagen Electric Car Golf 2017
Volkswagen Electric Car – 2017 e-Golf (source: Volkswagen.com)

Earlier this year VW announced that they were investing $10b in EVs but appear to have changed their strategy considerably over the past 6 months – planning to overtake Tesla and become the biggest electric vehicle company in the world. They’ll make EVs for Volkswagen as well as their other brands such as Audi and Porsche. 

Volkswagen CEO Matthias Mueller said  “A company like Volkswagen must lead, not follow” – and that “…this is not some vague declaration of intent. It is a strong self-commitment which, from today, becomes the yardstick by which we measure our performance.”

With the 2017 Volkswagen e-Golf’s range called ‘sub-par’ by some reviewers, (the 35.8kWh lithium-ion battery pack is up 50% on its predecessor, but it’s still heavy and can only reach 125 miles) it’s imperative that VW work on their battery technology if they’re to be a real contender in the EV space. According to Auto News new EVs will arrive in 2020 with 300 miles of range for a price similar to the Golf. 

Solar Power charging Electric Vehicles

With the Tesla Powerwall 2, the Tesla Solar Roof and the Tesla EVs looking to integrate more tightly over the coming 12 months, there are a couple of questions with regards to renewable energy and EVs. Firstly, will we see an influx of electric cars with solar panels? Secondly – how tightly will rooftop PV solar and EV recharging integrate over the coming years? 

To answer the first question, it’s definitely something being worked on – last month Audi announced they’re partnering with a Chinese solar panel manufacturer to add a solar roof on Audi’s electric cars. In fact, this dates as far back as the Mazda 929 in 1991 – the technology just hasn’t been good enough. Solar panel tech has been advancing rapidly over the past few years and we expect to see more solar panels on cars over the coming years – they’re cheaper, more flexible, and able to absorb much more energy than previous panels.

Secondly, that’s definitely something people are also trying to solve – energy storage technology plays a massive part in this as the ideal charging times (i.e. when people aren’t at home and therefore not using electricity) aren’t usually times when the car is in its garage! So using smart technology like the Redback Smart Hybrid System and teaching it about electricity usage patterns and joining that up with other information such as weather forecasts will play a key part in marrying solar power and electric vehicles. One thing’s for sure – this technology is going to move a lot faster over the next few years and it won’t be long before EVs are the norm. 

 

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