Why is light energy from the Sun considered a renewable resource, even though sunlight availability varies by location and time?

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Renewable energy comes from sources that can be replenished naturally on a timescale meaningful for people. The Sun provides energy continuously, and its supply isn’t used up by our consumption, so it’s effectively inexhaustible on human times. Even though the amount of sunlight varies with day and weather and differs by location, we can capture it with solar panels and turn it into electricity or heat, and we can store some of it for later use. That storage helps smooth out the variability. So the energy is considered renewable because the source itself is not exhausted by use, even if the amount reaching a place changes. The idea that it’s finite, always identical everywhere, or cannot be stored or converted doesn’t fit how solar energy works.