Posts tagged as:

5kW

How much money can you save with Enphase’s AC Battery?

November 9, 2017
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We recently published an article on the topic of how much money a household could save with a Tesla Powerwall 2. Soon thereafter, we received two separate requests to do a similar analysis for Enphase’s AC Battery – also one of the most popular battery storage offerings available in Australia, but without as much media […]

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Residential Solar PV Price Index – November 2017

November 7, 2017
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We’ve introduced some major improvements to this month’s Solar PV Price Index. Namely: We’ve added 7kW solar systems to all tables We’ve included in new tables & data for ‘premium’ and ‘microinverter’ system offerings We’ve drawn clearer distinctions between ‘primary’, ‘premium’ and ‘microinverter’ pricing We’ve dropped 1.5kW systems from our data tracking (because so few […]

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GreenPower vs rooftop solar (vs both)

November 7, 2017
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GreenPower is an attractive option for Australian households who want to support renewable energy production. Is opting for GreenPower a better idea than installing rooftop solar? In this article we take a look at how both options support renewables uptake, and examine the pros and cons of opting for one, the other – or both. […]

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How much money can you save on power bills with a Tesla Powerwall 2?

October 26, 2017
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Previously we’ve looked at the question of payback periods for home battery systems such as Tesla’s Powerwall 2, LG Chem’s RESU and Alpha ESS’s Storion Eco. These articles focused primarily on the investment case for installing a battery bank (usually with a 5kW solar system) and looked at meaningful numbers like ‘payback period’ and ‘internal […]

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Residential Solar PV Price Index – October 2017

October 17, 2017
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Average solar system prices hold stable for the third month in a row, with the average price per watt ($/W) for an residential solar system installation coming in at about $1.44/W. The most popular and best value solar system size is still 5kW, costing about $1.14/W or $5,700 for a fully installed system. (Due to […]

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What if you sent all of your solar into the grid? Is it worth it?

September 29, 2017
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If you’ve got solar, the way to maximise your electricity bill savings these days is to use your solar energy directly within your home (or business). From an investment point of view, the conventional wisdom is that the worst thing you could do with the solar energy that your roof produces is to send it […]

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Australia now has over 6 gigawatts (!) of small-scale solar after record August

September 14, 2017
98MW solar installed Aug 2017

Without googling the answer, do you know what the capacity of the largest conventional power plant in Australia is? I couldn’t, so I did google it – and now I can tell you that the answer is 3.25 gigawatts (GW). Unsurprisingly, it’s a coal plant: The Loy Yang Power Station in southeastern Victoria. Loy Yang […]

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Residential Solar PV Price Index – September 2017

September 5, 2017
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Average residential solar system prices are roughly on par with last month’s figures – about $1.43 per watt for a fully installed system. 5kW systems continue to offer the best value for money, at about $1.13/W, or about $5,600. Average solar PV system prices for September 2017 Prices in the table below include both the […]

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Time of use vs flat rate electricity tariffs with solar & batteries

August 30, 2017
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If you’re connected to the grid and own your home, you pay for electricity. In most places, in Australia, there are basically two types of tariffs: Flat rate tariffs (aka ‘peak only’ tariffs), where you pay a fixed amount for each kilowatt-hour (kWh) of energy that your home draws from the grid, or Time of use […]

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Retrofitting battery storage in Brisbane: Some example case studies

August 29, 2017
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We recently published an article containing a number of example case studies about retrofitting solar battery storage in Sydney. This time around we’ll be taking a look at the case for retrofitting batteries in sunny Brisbane. In addition to the fact that Brisbane gets more sun, the circumstances around retrofitting batteries in Brisbane – and […]

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Solar energy self-consumption explained

August 23, 2017
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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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I’m (finally) going to live in a solar-powered home

August 15, 2017
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After nearly a decade working in Australia’s solar industry, I’m finally getting in on the action on a personal level. From next week I’m moving to Newcastle and will be living in a home with solar panels on the roof. Moving into a house that’s already got solar is something that must happen a lot. […]

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What are the best cities for home solar battery storage? (August 2017 update)

August 7, 2017
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Having just published an article on the state of Australia’s battery storage market at the beginning of 2017 (recently updated), we decided we would endeavour to shed a bit more light on payback period differences between each capital city. Which cities have the best conditions for home solar battery storage? We’ve ranked them below (with an […]

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Residential Solar PV Price Index – August 2017

August 3, 2017
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Average residential solar system prices have risen slightly following two consecutive months at their lowest levels since Solar Choice began keeping track in August 2012. This month’s higher average price – $1.55 per watt, as opposed to $1.45/W last month- is undoubtedly due at least in part to the recent drop in STC values and […]

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How home heating affects your solar PV setup

July 26, 2017
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The relationship between home heating and solar PV is significantly different to that between home cooling and solar PV. There are two key differences: Time of day: we need heating the most when the sun goes down. This is the opposite to cooling, which we need most when the sun is out. Time of year: […]

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STC prices are falling: What you need to know

July 20, 2017
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‘The federal solar rebate is falling!’ is a cry that Solar Choice has been hearing pretty loudly from our customers, website visitors and installers in and outside our network for the past few days. From a customer’s perspective, what do you need to know about what’s happening with this government solar incentive? Understanding the federal STC […]

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Residential Solar PV Price Index – July 2017

July 12, 2017
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Average residential solar system prices for July remain mostly unchanged since June’s big shakeup, hovering at $1.34/W. 5kW solar systems continue to offer the best value for money, and Perth is still the city with the lowest average prices. Average solar PV system prices for July 2017 Prices in the table below include both the up-front […]

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sonnenFlat: sonnen’s ‘free’ / flat-rate electricity plan looks great. Is it worth it?

July 6, 2017
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German battery system maker sonnen has launched its ground-breaking sonnenFlat package – a retail electricity offer available to anyone with at least a 5kW solar system and a sonnen battery system with a minimum of 8kWh of capacity. sonnenFlat customers pay only a single monthly fee (starting at $30) to sonnen instead of having a conventional […]

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Retrofitting battery storage in Sydney: Some example case studies

July 6, 2017
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You are a solar PV system owner who is now considering adding battery storage. The options you have depend on a number of factors, and there are a range of situations that warrant different approaches – and have different outcomes. In this article we take a look at some example situations that solar system owners […]

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Water heating on a timer vs solar diverter: A case study

June 22, 2017
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The article below, written by Scott Young of CATCH Power, provides a look into the world of hot water diverters, which use excess solar energy to drive the element in electric storage-based water heaters. Hot water diverters are a great way to increase solar self-consumption and are significantly more affordable (albeit less versatile) than battery […]

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Residential Solar PV Price Index – June 2017

June 21, 2017
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This month saw one of the sharpest drops to average system prices since Solar Choice first began keeping track in August 2012. Between May and June, the average system price dropped 23c from $1.57 per watt ($1.57/W) to $1.34/W. This sudden decrease stands in sharp contrast to the very gradual changes that we’ve seen over […]

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Add more solar panels or get batteries? A customer case study

June 1, 2017
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Being a nation-wide advice & comparison service for rooftop solar, Solar Choice regularly receives enquiries from customers from people all over the country. We recently received a call from a NSW-based customer approaching retirement; her query was about whether it would make more sense for her to install a 3kWh battery bank for around $5,000, or […]

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Battery storage: Retrofit or new build with solar?

May 29, 2017
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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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3kW vs 5kW solar system: Which is a better investment?

May 15, 2017
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One of the first decisions a household considering solar will need to make is the capacity (in kilowatts, kW) of the system to be installed. Two of the most popular residential solar PV system sizes in Australia are 3kW and 5kW. Which system size is the better investment – and why? You’ll save the most […]

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Queensland solar panels: Compare installers and system prices

May 12, 2017
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Solar panels remain a popular investment option in Queensland thanks to low solar PV system prices and ample sunshine.  Today, both homes and businesses alike consider going solar as a way to save on energy bills. Instantly compare solar & battery system prices 3 reasons to go solar in Queensland There are essentially 3 reasons for the current level […]

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Residential Solar PV Price Index – May 2017

May 11, 2017
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Average solar system installation prices for May 2017 hover at the same level as April‘s – $1.57 per watt ($1.57/W). 5kW solar systems continue to offer the best value for money at an average of $1.25/W – or about $7,100 installed. Average solar PV system prices for May 2017 Prices in the table below include both the […]

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

May 8, 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 Power in NSW: What are the benefits?

May 1, 2017
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Solar power is still a great investment in NSW even in the absence a feed-in tariff incentive in the state. The fact that solar PV system prices have been declining combined with the fact that retail electricity rates have risen significantly in recent years means that solar panels can now serve as a cost-effective, rooftop […]

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Sizing residential solar & battery systems: A quick guide

April 26, 2017
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What size solar panel array do you need for your home? And if you’re considering battery storage, what size battery bank would be most appropriate? This article includes tables that provide an at-a-glance guide, as well as links to more comprehensive calculators. Solar system sizing table (no batteries) If you’re considering solar panels for your […]

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Solar power in Sydney, NSW: Compare prices & installers

April 11, 2017
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Sydney is a great place for solar power, and roughly 10-15% of Sydney area homes have solar panels installed on their roofs. This article is 5-point guide to everything you need to know if you’re considering solar power for your Sydney home – including how Solar Choice can help you compare quotes. 5 good reasons to go solar […]

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Residential Solar PV Price Index – April 2017

April 10, 2017
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Average residential solar system prices for April 2017 have crept to a fresh low of $1.57 per watt ($1.57/W) – slightly lower than March‘s average of $1.58/W but in keeping with the (very) gradual decline that we’ve been witnessing since the beginning of 2017. Average prices for 3kW, 4kW and 5kW solar systems also hit […]

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