Australia’s Commercial Solar Market Continues to Surge
The Australian commercial solar sector experienced record-breaking growth in 2024, driven by strong demand in the 15-30kW and 1-5MW segments. According to the 2025 Annual SunWiz PV Market Report, the commercial and industrial (C&I) solar sector saw its best-performing year ever, highlighting the increasing reliance on solar for business cost reduction, sustainability goals, and energy independence.
Key Factors Driving Commercial Solar Growth
15-30kW Installations Dominated the Market
- This segment was the fastest-growing, reflecting strong demand from small to medium-sized enterprises (SMEs) looking to reduce operational expenses and secure long-term energy price stability.
1-5MW Rollouts on the Rise
Large commercial operations and industrial sites invested heavily in solar to reduce peak demand charges and improve energy self-sufficiency, especially noticable in corporate rollouts.
– SunWiz
Declining Solar System Prices
- The falling cost of PV modules and BOS (Balance of System) components improved return on investment (ROI) for businesses.
STC and LGC Market Contributions
- The Small-Scale Technology Certificates (STC) and Large-Scale Generation Certificates (LGC) markets played a key role in subsidizing commercial installations, keeping investment costs competitive.
New Buildings
- Many new commercial buildings are putting solar up as soon as their roof is on!
Read our full analysis in the 2025 Annual SunWiz PV Market Report and stay ahead of the trends!
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