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Articles by Warwick Johnston

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70 hours without power: Beating blackouts with grid independence

70 hours without power: Beating blackouts with grid independence

A new suite of rooftop solar and storage products can not only power your home during a blackout, but can do so at off-peak rates.

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Scapegoating solar: Why the QCA’s fixed price proposal is all wrong

Scapegoating solar: Why the QCA’s fixed price proposal is all wrong

The proposal to increase fixed charges for Queensland rooftop PV customers is not only inequitable, it won’t achieve what the QCA wants it to achieve.

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1m solar rooftops – where will the next million come from?

1m solar rooftops – where will the next million come from?

The next million rooftops won’t come as quickly as the first. But Queensland continue to dominate solar hot spots, despite removal of tariffs.

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Australia solar PV market – contraction seen in 2013

Australia solar PV market – contraction seen in 2013

After potentially breaking through the 1GW mark in 2012, the Australia solar PV market is expected to contract in 2013, but some new business models will re-shape the industry.

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Australia’s solar hotspots – underlying market emerges

Australia’s solar hotspots – underlying market emerges

Latest data shows an underlying market is emerging in Australia as tariffs and multiplier wound back. And the one millionth solar home is imminent.

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Solar round-up: An eclipse, a surprise and a new horizon

Solar round-up: An eclipse, a surprise and a new horizon

Last month Australia’s solar PV market saw a total eclipse, reached the 2GW threshold, and was surprised by the early reduction of the solar multiplier.

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Australia reaches 2,000MW milestone for solar PV

Australia reaches 2,000MW milestone for solar PV

A significant milestone has been reached with solar PV installations in Australia – mostly on household rooftops – now exceeding 2,000MW.

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Australian rooftop solar market cools in September

Australian rooftop solar market cools in September

Installations of rooftop solar fell 15 per cent in September, but Queensland and Victoria remained hot spots. Plus: The top ranking postcodes.

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Solar tariffs and the merit order effect: A response to AGL

Solar tariffs and the merit order effect: A response to AGL

In the words of AGL itself, its paper on feed-in tariffs and the merit order effect has a superficial appeal, but is clearly wrong.