Introduction
A 99kW solar system is a large-scale commercial solar power solution designed for businesses and facilities with significant daytime energy consumption. This system size is just under the 100kW threshold, allowing it to qualify for Small-scale Technology Certificates (STCs) in Australia and similar incentive programs in other regions, which helps reduce upfront costs.
A 99kW system typically consists of around 220 to 270 solar panels, depending on the wattage (depending on panel wattage), and is usually paired with multiple three-phase inverters or a centralized commercial inverter setup.
A 99kW system can produce approximately 360 to 420 kWh of electricity per day, or around 120,000 to 150,000 kWh per year, depending on the location, orientation, and solar access. This can offset a substantial portion of a facility’s electricity use, especially if peak demand occurs during daylight hours.
- High Energy Production for Large Facilities
- Significant Electricity Bill Savings
- Avoids Demand Charges and Reduces Peak Usage
- Substantial Environmental Impact
- Low Maintenance, High Reliability
- Future-Proofed for Growth and Battery Integration

