Q: What is solar energy?
A: Solar energy is generated by nuclear fusion in the sun and can be harnessed for human use, such as electricity production. It is a renewable resource captured through methods like photovoltaics, which involve solar panels to convert sunlight into power.
Q: How does a solar panel function?
A: When sunlight hits a solar panel, it produces direct current (DC) electricity. This DC electricity is then converted into alternating current (AC) by a solar inverter, making it usable for powering homes and businesses.
Q: Can a grid-tied system provide electricity during a power interruption or blackout?
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Q: What is off-grid?
A: Off-grid, or stand-alone power system (SAPS), refers to a solar system not connected to the national power grid. It requires battery storage to operate independently.
Q: What is on-grid?
A: On-grid, also known as grid-tied or grid-connected, is a solar system linked to the electrical grid. It relies on the grid to function and does not typically use batteries, with excess power exported through net metering programs. This option is often less expensive due to the absence of battery equipment.
Q: Why is having an on-site assessment important prior to installing a PV system?
A: An on-site assessment is crucial to evaluate factors like roof condition, structural suitability, and electrical compatibility for a solar panel installation. It helps determine the correct system size based on energy usage, ensures safety, and provides accurate quotations. Skipping this step can lead to costly repairs or installation issues.