From the category archives:

Solar System Products

Batteries with benefits: How Reposit Power customers are maximising battery value

February 27, 2017
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Reposit Power is an Australian battery technology company whose name has become synonymous with battery storage value maximisation. The company’s software does two important things for homes with battery storage systems: it makes sure that batteries are always charged in the most cost-effective way possible (whether that be solar or off-peak grid electricity), and it […]

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The heat wave sent spot market prices soaring: What does it mean for solar?

February 13, 2017
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Wholesale electricity prices on Australia’s eastern seaboard went through the roof this past weekend as homes as businesses pumped their air conditioners in an attempt to stave off the brutal and unprecedented summer heat. What are the implications of high spot prices for solar PV systems large and small in Australia? High temperatures –> high […]

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Looking beyond solar feed-in tariffs: How to pick an electricity retailer

February 8, 2017

When solar system owners shop around for an electricity retailer, the first thing they tend to look at is the solar feed-in tariff rate that the retailer offers. The fact is, however, that solar feed-in tariffs are no longer as important as they once were – so what else should solar system owners look for in […]

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Tesla’s Powerwall 2 in Australia: Advice for shoppers

February 7, 2017
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Tesla leapfrogged its competitors last year with the announcement of its new generation of battery storage product: Powerwall 2. Tesla’s Powerwall 2 is a more powerful and sophisticated version of the company’s original Powerwall, which itself set a benchmark in Australia for both battery storage pricing and performance. It’s on sale for roughly the same […]

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CATCH Power – A solar diverter made for the Aussie market

February 6, 2017
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CATCH Power is an Australian company who say they have crafted a solar diverter perfectly tailored to Australian market conditions. By March this year, the company will offer four different versions of its device, all of whose settings can be adjusted to optimise savings – and two of which connect to the internet and allow the user […]

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Sizing inverters to optimise solar panel system efficiency

February 6, 2017
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The efficiency of the inverter drives the efficiency of a solar panel system because inverters convert Direct Current (DC) (as produced by the solar panels), into Alternating Current (AC) (as used by the electric grid). This leads many to wonder what effect over-sizing or under-sizing an inverter will have on overall system efficiency. This entry […]

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Solar battery storage in Melbourne, Vic: Compare prices & installers

February 5, 2017
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As prices fall, a growing number of Melbourne households are becoming interested in installing battery storage for solar energy. It is now possible to compare battery storage installers and prices in Melbourne by requesting a Battery Storage Quote Comparison from Solar Choice. What else do Melbourne homeowners need to consider before deciding on an installer and […]

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Zhongli Talesun’s solar panels in Australia

February 4, 2017
Zhongli Talesun logo

Zhongli Talesun is one of the largest solar panel manufacturers in the world, with a 28 year history in the solar industry. The company offers solar modules for a range of applications in the Australian market, including a module with a 30-year performance warranty, a lightweight module and a ‘zero potential-induced degradation’ module. Talesun solar […]

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Should you oversize your solar array / undersize your inverter?

February 3, 2017
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After numerous questions about the relationship between solar panel power and inverter power, I decided to put together this blog post. Now logically, if you have (say) 3,000 Watts of solar panels on your roof, you would expect that a 3000 Watt inverter would be the perfect match, right? Not necessarily! There are a number of […]

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A comparison of home energy management systems in Australia

January 26, 2017
EMS

Solar PV systems are already commonplace and affordable in Australia, and battery storage is getting there quickly as well. Increasingly, Australia’s solar homes are looking for ways to maximise the value that solar & storage are able to deliver. Home energy management systems (sometimes referred to as EMSs or HEMS) are fast becoming a popular […]

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Solar-plus-storage: How much battery capacity do you need?

January 20, 2017
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Lots of Solar Choice customers ask about battery storage for solar power, but not many have a clear idea of how much battery capacity they need. This article takes a look at the factors that come into play when considering how to choose the right amount of battery capacity for your solar-plus-storage system. How much energy independence […]

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Solar battery storage in Canberra, ACT

January 7, 2017
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Battery storage for residential solar energy is becoming increasingly popular in Australia – including in Canberra, ACT. If you’re a Canberra resident looking to install a battery storage system for your home, what are the main things that you need to consider? Solar Choice has developed a number of large-scale solar projects in the ACT, […]

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Let’s talk about ‘energy throughput’: Should it replace battery ‘cycle life’?

December 5, 2016
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Australians households are fairly solar-savvy lot. With a solar panel for every human being in the country, Australia is a world leader in solar uptake, and there’s tons of information online about how to shop for solar (Solar Choice is one case in point). It wouldn’t take anyone too long to learn to talk meaningfully in […]

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What’s a partial off-grid solar-plus-storage system?

November 30, 2016
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Going partially off the grid is a smart alternative for homes who want to become completely energy self-sufficient. A partial off-grid solar system is one that runs a few essential electrical loads – for example, the refrigerator, lights and television – on a separate electrical circuit that has no physical connection to the grid mains. […]

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Power vs energy in home battery storage systems

November 29, 2016
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Different battery storage products have different specifications and capabilities, making them better or less well-suited for various applications. In this article we’ll talk about ‘power batteries’ vs ‘energy batteries’ – two terms that are sometimes used to describe battery products. Power batteries Power is a term generally used describe instantaneous electrical output. You can think […]

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Kilowatts vs kilowatt-hours in solar power & battery storage: Power, energy or capacity?

November 28, 2016
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If you’re shopping around for solar panels or a battery storage for your home, you’re undoubtedly come across the terms ‘kilowatt’ (abbreviated as kW) and kilowatt-hour (kWh). These terms might be a bit confusing at first, so we’ve written this article to explain these terms and make them easy to understand. Power vs energy (vs capacity) When […]

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Battery storage take-up in Australia to snowball forward

November 23, 2016
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A NSW-based community solar and battery storage bulk buy program has been so successful that the promoters believe the battery storage sector may be in the early stages of mass-market uptake. The campaign, led by Suncrowd, has attracted thousands of people at roadshows in regional towns in New South Wales in the last few months, […]

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Why depth of discharge matters in solar battery storage system selection

November 23, 2016
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Depth of discharge (DoD) is one of the key figures to keep in mind when selecting batteries for a solar energy system. What is depth of discharge and how should it play into your choice of batteries? What is depth of discharge? The term ‘depth of discharge’ is fairly self-explanatory – it describes the degree […]

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Can you go off the grid with a 10kW solar system plus battery storage?

November 22, 2016
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We previously wrote an article about the feasibility of an Australian home going off-grid with a 3kW solar system – quite a small system size for such an ambitious endeavour. In this article, we’ll look at the case for going off-grid with a 10kW solar system – the unofficial upper limit for residential solar system […]

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Solar energy self-consumption explained

November 18, 2016
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When it comes to solar power in Australia, lots of things have changed in the last few years. If you’re currently shopping around for a solar system, perhaps the most important thing you need to keep in mind is this: You’ll get the most out of your solar panels by consuming the energy they produce while it […]

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How Trump could be great for battery storage

November 16, 2016
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Deutsche Bank has described the global battery market as being at an inflection point, with global consumption expected to treble from 70Gwh in 2015 to 210GWh by 2018, and then more than double again to 535GWh by 2025. The report, published on Thursday, said falling costs of technology – and particularly in the case of […]

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BYD’s B-Box: Battery storage from the world’s largest electric vehicle manufacturer

November 14, 2016
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BYD is the world’s largest manufacturer of electric vehicles, and has a long history in the production of batteries for a range of other applications as well. The company’s signature battery bank product is the B-Box, which is set to rival competitors on both price and quality. This article takes a look at BYD’s B-Box […]

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Solar and battery energy storage in Perth, WA

November 11, 2016
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Approximately 25-30% of the homes in the Perth area have solar PV systems on their roofs according to the APVI – many of these households are interested in installing a battery storage system as well. This article takes a look at the basics of battery storage for residential solar systems in and around Perth, WA. […]

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Battery storage: Retrofit or new build with solar?

November 10, 2016
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If you’re considering installing battery storage for your grid-connected home, you probably find yourself in one of two situations: You’ve already got a solar PV system on your roof and want to add batteries to it (possibly with the addition of a few more solar panels), or You don’t have solar yet, so you’re going to install both […]

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Solar battery storage in Sydney: Compare prices & options

November 9, 2016
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Solar battery storage is becoming an increasingly attractive and viable option for homes in Sydney, NSW. Fortunately, you can now compare battery storage options & prices from solar installers in Sydney with Solar Choice’s Battery Storage Quote Comparisons. What else do you need to know to make a decision about energy storage in Sydney? Getting […]

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Battery storage could seriously disrupt fossil fuel industry: Report

November 8, 2016
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A new report from global credit ratings agency Fitch Ratings has warned that battery storage is showing serious potential to “displace current technology far more rapidly than anticipated.” The report, Disruptive Technology: Batteries, notes that one of the key technologies that will be a major factor in how quickly the energy transition unfolds is on […]

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Is Tesla’s Powerwall 2 the cheapest lithium battery for homes?

November 4, 2016
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Tesla is selling second generation lithium-ion batteries at retail prices that are cheaper than the average manufacturing cost at most companies, setting a pace for the industry that is beating some of the most optimistic of price projections. According to a new report from Bloomberg New Energy Finance, the Powerwall 2 just “may be the […]

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‘No more energy bills’ with solar? Buyer beware

November 3, 2016
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“Eliminate your energy bills!” is a phrase – frequently used in solar sales pitches – that Australian consumers should greet with a high degree of scepticism. If someone is making a promise that sounds too good to be true, it almost certainly is. Let’s shed a bit of light on these claims so that you’ll know […]

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Proposed tariff would keep solar households connected to the grid

October 30, 2016
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Australia’s main network lobby hopes to encourage more than one million households with solar and storage to stay connected to the main networks, rather than quit the grid, with the proposal of a new tariff for stand-alone power systems. A new report commissioned by the Energy Networks Association predicts that by 2050 some 10 per […]

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US grid-scale energy storage developer to setup base in Australia

October 29, 2016
AMBRI battery

A US grid-scale energy storage developer is looking to set up a collaborative research base in Australia, and possibly a manufacturing hub, as it begins to test its liquid metal batteries technology at scale. The company – which was originally called Liquid Metal Batteries, after the technology, but is now called Ambri – was spun […]

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Are you a home battery storage early adopter?

October 26, 2016
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The age of grid-connected home battery storage is upon us. While battery price points aren’t yet low enough for us to start seeing mass uptake, they are low enough to be attractive for a disparate group of people lumped into the category of ‘early adopters’. Early adopters of home battery storage systems may come from […]

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