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2. Passive solar building design - Wikipedia

   en.wikipedia.org/wiki/Passive_solar_building_design

   Passive solar building construction may not be difficult or expensive (using off-the-shelf existing materials and technology), but the scientific passive solar building design is a non-trivial engineering effort that requires significant study of previous counter-intuitive lessons learned, and time to enter, evaluate, and iteratively refine the ...

3. Solar-powered calculator - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_calculator

   Solar-powered calculators are hand-held electronic calculators powered by solar cells mounted on the device. [1] They were introduced at the end of the 1970s. [2]Amorphous silicon has been used as a photovoltaic solar cell material for devices which require very little power, such as pocket calculators, because their lower performance compared to conventional crystalline silicon solar cells is ...

4. Building-integrated photovoltaics - Wikipedia

   en.wikipedia.org/wiki/Building-integrated...

   Solar roof tiles are roof tiles with integrated solar modules. The ceramic solar roof tile is developed and patented by a Dutch company [12] in 2013. Modules shaped like multiple roof tiles. Solar shingles are modules designed to look and act like regular shingles, while incorporating a flexible thin film cell.

5. Solar access - Wikipedia

   en.wikipedia.org/wiki/Solar_Access

   The practical approach to apply solar envelope to the zoning regulation was to require developers or property owners to provide the solar envelope description with the normal land survey prior to the preparation of construction drawings and the filing for building permits. Compliance would be checked by city building departments.

6. Solar Panels Cost: Everything You Need to Know

   www.aol.com/news/solar-panels-cost-everything...

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7. Rooftop solar power - Wikipedia

   en.wikipedia.org/wiki/Rooftop_solar_power

   The average installed cost of residential solar, meanwhile, dropped 21 percent to $2.84 per watt-dc in the first quarter of 2017 versus first quarter 2015." [ 16 ] In fact, in eight states the group studied, the total government incentives for installing a rooftop solar PV system actually exceeded the cost of doing so.