Warwick Johnston, Author at Renew Economy

Warwick Johnston

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Commentary

Home battery sales outpace new solar systems for first time ever, in sign of boom to come
For the first time ever, more battery systems were sold than PV systems in May 2025 – an extraordinary milestone. And home battery sizes are booming too.
Warwick Johnston

Jun 11, 2025

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Rooftop solar slowdown: It’s not just the pandemic and lockdowns
Covid is not the only reason that the heat has gone out of the rooftop solar PV market in Australia.
Warwick Johnston

Sep 3, 2021

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Solar

Rooftop solar installs at record high during Covid-19, but what about leads and sales?
As Covid-19 restrictions begin to be eased around Australia, SunWiz takes an in-depth look at the data to reveal what’s happening in the market.
Warwick Johnston

May 12, 2020

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Solar

It’s time for Victoria to right the solar ship – before it sinks
Victoria’s rooftop solar rebate has now entered nightmare territory. There are four possible options available to the state government for ‘fixing’ the scheme.
Warwick Johnston

Aug 2, 2019

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Solar

A big year for big solar: Charting Australia’s solar farms of 2018
2018 was a record-smashing year for solar farms. So where did all of that grid-scale solar power go in?
Warwick Johnston

Feb 13, 2019

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Solar

In record year for rooftop solar, who were Australia’s top PV retailers?
This week, SunWiz looks at Australia’s top solar PV retailers in each market segment in the bumper year that was 2018, based on data gathered from STC and LGC creation.
Warwick Johnston

Feb 6, 2019

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Other Good Stuff

State by state – solar records fell across Australia in 2018
There has never been a sustained boom of this magnitude occurring concurrently in every major state.
Warwick Johnston

Feb 4, 2019

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Solar

Australian solar’s record-smashing year. In eye-watering charts
To say 2018 was a record year for Australian solar PV is practically an understatement. Every imaginable record was broken, and broken repeatedly.
Warwick Johnston

Jan 31, 2019

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Solar

The fertile crescent of Australian solar farms now tops 30GW
Latest update on solar projects presents striking image of development across the country. In total, more than 250 solar projects representing more than 30GW.
Warwick Johnston

May 4, 2018

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Renewables

Proposed solar farms could meet the RET single-handed
That’s great news for the Australian solar industry, but points to the RET being dramatically oversubscribed. Which raises a few questions…
Warwick Johnston

Feb 20, 2018

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Markets

Which retailers will (and won’t) meet their 2017 LGC liability?
With a Wednesday deadline, things are getting tight for power companies to purchase and surrender enough LGCs to meet their liability. Has ERM got its act together?
Warwick Johnston

Feb 12, 2018

1
Commentary

The solar market consolidation that never happened
Remember the predictions that the solar market would consolidate from 4000 businesses to four or forty major solar companies serving the Australian market? The opposite happened.
Warwick Johnston

Jan 30, 2018

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