2026 Commercial Solar Buyers Guide

Everything a NSW business needs to know before investing in commercial solar — written by the engineers and installers who build the systems.

• What commercial solar really costs in 2026 (per kW)
• Whether a battery is worth it for your business
• Why your roof structure can make or break a project
• Incentives and tax treatment for commercial systems
• The five most expensive mistakes — and how to avoid them
• The exact questions to ask any installer before signing