What is a specific yield, and what does it influence?

The specific Yield (kWh/kWp) refers to how much energy is produced by a solar plant under specific conditions. It is a measure of the efficiency/productivity of the solar plant. It is the ratio between the total annual energy produced by the solar plant relative to the installed solar capacity.

How long does it take to build a solar PV system? (200, 500, 1MVA)

It takes approximately 2-3 months to build a 200kVA system, 3-4 months for a 500kVA system, and 4-5 months for a 1 MVA system. Of the different installation types, a roof and ground mount installation is the fastest to construct, whereas a carport system typically takes longer. Lead times on components typically add another 8–12 weeks to the overall implementation time.

How much additional weight must the roof structure be able to carry for the solar PV system?

If your roof structure is able to take an additional 15 kg/m², then there is no strengthening work required.

Will the Solar PV plant operate during loadshedding?

A grid-tied solar PV solution needs a reference frequency to work. This frequency can be provided by either the council supply, a generator, or a battery energy storage system (BESS). When there is a power interruption and no generator or BESS is installed, the grid-tied solar inverter does not receive a frequency to synchronize with and therefore shuts down.

What is required to maintain the system?

Should you opt for SPS to finance the project under a Power Purchase Agreement (PPA), SPS will be responsible for any and all maintenance of the Solar PV Plant.