double power supply for an outside measuring instrument by a small solar panel and wind generator

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Size: 4387px × 2915px
Photo credit: © hans engbers / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abstract, alternative, blue, clouds, collectors, color, conservation, double, dual, electricity, energy, environment, environmental, generation, generators, global, panel, power, renewable, saving, sky, small, solar, sun, sunny, supply, technology, turbine, warming, wind, windmill