SunWiz Archives - Renew Economy

Battery

Sigenergy crowned top home battery supplier in Australia, trumping Tesla and Sungrow
Less than three years after launching its home battery product, Sigenergy has dominated the Australian market, becoming the biggest seller in 2025.
Rachel Williamson

Jan 21, 2026

2
Renewables

Rooftop solar back on a roll as new system installs ride the battery boom to a 2025 high
Rooftop solar installs jump to their highest levels yet in 2025, with a return to form for the small-scale PV market in a year that has seen home batteries steal the limelight.
Sophie Vorrath

Dec 2, 2025

5
Solar

After a year of smashing records, will 2024 be the year we take rooftop solar seriously?
The latest SunWiz data shows Australia’s rooftop solar market growth is showing now signs of slowing – making 2024 the year we must take its role in the energy mix seriously.
Sophie Vorrath

Jan 9, 2024

0
Renewables

2023 in review: Australia nears half-way mark to 82% renewables
Renewables combined to supply an average share of nearly 40% across Australia’s main grids for the year. We look back at the stats and records.
Sophie Vorrath

Jan 8, 2024

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Solar

Rooftop solar installs smash record as households turn to bigger systems, put pressure on coal
Rooftop solar installs smash monthly records in November, as system sizes reach nearly 10kW and the coal industry faces another big bite out of its midday market lunch.
Sophie Vorrath

Dec 4, 2023

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Solar

Record year for rooftop solar growth? October installation data bodes well
Nationwide rooftop solar installations jumped 11 per cent in October, putting Australia on track to beat the 2021 record for small-scale PV growth.
Sophie Vorrath

Nov 3, 2023

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Solar

Another solar record falls as average rooftop PV system size hits new high
Latest SunWiz data shows Australian households are continuing to install bigger systems, with a new all-time high average size reached in September.
Sophie Vorrath

Oct 4, 2023

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Solar

Rooftop solar market closes out winter at a new high, as households keep going big
Rooftop solar installs had their biggest August ever, new SunWiz data shows, as households help put the market within striking distance of best year ever.
Sophie Vorrath

Sep 4, 2023

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Solar

Rooftop solar sales rebound as households brace for another power price shock
After hitting a 12-month low in April, installations of rooftop solar systems have rebounded in May, jumping by around 30%.
Sophie Vorrath

Jun 5, 2023

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Solar

Rooftop solar slumps in April, but PV system sizes just keep getting bigger
Rooftop solar growth hit a 12 month low in April, according to new data from SunWiz, with total installations for the month slumping 23% compared to March.
Sophie Vorrath

May 8, 2023

0
Solar

Rooftop solar keeps bouncing back, as households pile on the panels
Another strong month of rooftop solar installs – and an increase in the average system size – puts the market 20% ahead of where it was this time last year.
Sophie Vorrath

Apr 12, 2023

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Storage

Home battery installs jump 55 pct as solar households turn to storage in record numbers
Home battery installations charted a 55% increase in 2022, a new record and the sign of a turning point for consumer energy independence.
Sophie Vorrath

Mar 30, 2023

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