Out door solar lighting units use small photovoltaic modules that convert sunlight into electricity. The electricity is stored in batteries for use at night, allowing the lights to turn on automatically.
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Out door solar lighting units use small photovoltaic modules that convert sunlight into electricity. The electricity is stored in batteries for use at night, allowing the lights to turn on automatically.
More: continued here
First solar projects approved under the Desert Renewable Energy Conservation Plan WASHINGTON — The Department of the …