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Articles by Warwick Johnston

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Good news for solar: Clearing House shifts for first time

Good news for solar: Clearing House shifts for first time

It’s been a long time coming, but the Clearing House has shifted, rewarding those who holding out since early 2011 to get $40 for their STCs.

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Australian residential solar market is dying, but commercial is thriving

Australian residential solar market is dying, but commercial is thriving

The residential solar market in Australia is in decline, but the commercial scale market is offering new opportunities.

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Why the residential solar market is saturated, and commercial untapped

Why the residential solar market is saturated, and commercial untapped

Most of the quick pay-back roofs have already been taken up. But the market for commercial scale solar on business rooftops is largely untapped.

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IEA needs your data for survey about Aussie PV

IEA needs your data for survey about Aussie PV

Task 1 of the IEA PVPS is all about collecting, collating, analyzing, and disseminating information about national solar markets.

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2014 Australian solar report card - the year industry grew up

2014 Australian solar report card – the year industry grew up

The Australian solar industry in 2014 showed it was good with numbers, geography and with science. But it’s still lousy at communication, and cuts corners.

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Solar pays its way on networks. It's no free rider

Solar pays its way on networks. It’s no free rider

Research shows rooftop solar exports are higher than most estimates, which means most systems are paying network fees for well over half their generation.

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Rooftop solar installations steady as commercial scale grows

Rooftop solar installations steady as commercial scale grows

Australian household rooftop solar installations are steady, Queensland continues to lead, and commercial scale solar is growing.

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Solar success: Who's leading residential, commercial markets?

Solar success: Who’s leading residential, commercial markets?

In Australia’s highly competitive solar industry, five major PV retailers hold only 15% national market share. So who’s leading where, and by how much?

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3GW: The when, where and how of Australia's solar milestone

3GW: The when, where and how of Australia’s solar milestone

This month, Australia reached 3GW of rooftop solar. So who is installing solar PV, where are they installing it, and how have the systems changed?

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Revealed: Rooftop solar's big role in Australian energy markets

Revealed: Rooftop solar’s big role in Australian energy markets

New data shows solar PV having considerable impact on NEM, sometimes representing more than one quarter of power consumption.

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Whithering but not dead - Queensland still the sunshine state

Whithering but not dead – Queensland still the sunshine state

Queensland is still the biggest market as Australia’s solar PV market finds a base of around 600W/year