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How strong does a large wind need to be to power a generator
Most wind turbines need a minimum wind speed of about 7 to 11 mph (3 to 5 m/s) to start generating electricity. This threshold, called the “cut-in speed,” is the point where the blades begin spinning fast enough to produce usable power.
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Solar inverter decay over several years
Solar inverters generally last 10–25 years depending on the type, environment, and quality of installation. Replacements are a normal and expected part of solar ownership, and planning ahead helps keep your system running efficiently for decades.