3. Traditional fossil fuels like coal, natural gas, and oil can be used as a back-up energy source when solar energy is not available. However, these sources are not environmentally sustainable and contribute to pollution and climate change.
4. A generator powered by gasoline or diesel can be used as a temporary solution when solar energy is not available. This is not a sustainable or environmentally friendly option, but can be used in emergencies or as a short-term solution.
5. Grid-tied solar systems can be connected to the main electrical grid, allowing you to draw energy from the grid when solar energy is not available. This can help ensure a constant source of electricity even when solar power is not sufficient.
6. Solar thermal energy storage systems can be used to store heat from the sun and release it as needed to generate electricity or provide heating. This technology can provide a more consistent source of energy compared to traditional solar panels.
7. Microgrids can be used to connect multiple renewable energy sources, such as solar, wind, and hydropower, to ensure a reliable and stable energy supply even when one source is not available. This can help reduce dependency on fossil fuels and increase resilience to fluctuations in renewable energy generation.
Here are some options for getting when solar energy is not available.1. Extra solar energy that is made during the day can be stored in back-up and then the batteries can be used at night or on a cloudy day.2. Other forms of renewable energy like wind or can be used to make electricity. Of course you would have to have a giant and live in a windy place to harness the power of the wind. You would have to live near water to use hydropower as your back-up energy source.
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