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2. Solar energy - Wikipedia

   en.wikipedia.org/wiki/Solar_energy

   Active solar techniques include the use of photovoltaic systems, concentrated solar power, and solar water heating to harness the energy. Passive solar techniques include designing a building for better daylighting, selecting materials with favorable thermal mass or light-dispersing properties, and organize spaces that naturally circulate air.

3. Home energy upgrades from public utilities - Wikipedia

   en.wikipedia.org/wiki/Home_energy_upgrades_from...

   Xcel's Minnesota Home Energy Squad, One-Stop Efficiency Shop and Partners in Energy programs received the 2019 Exemplary Program Award from the American Council for an Energy-Efficient Economy (ACEEE). [33] In 2018 Xcel was acknowledged to be the first major, multi-state U.S. utility to commit to 100 percent carbon-free electricity by 2050. [46]

4. Solar thermal energy - Wikipedia

   en.wikipedia.org/wiki/Solar_thermal_energy

   Solar heat (or heat from other sources) can be effectively stored between opposing seasons in aquifers, underground geological strata, large specially constructed pits, and large tanks that are insulated and covered with earth. Short-term storage. Thermal mass materials store solar energy during the day and release this energy during cooler ...

5. Thermophotovoltaic energy conversion - Wikipedia

   en.wikipedia.org/wiki/Thermophotovoltaic_energy...

   Thermophotovoltaic (TPV) energy conversion is a direct conversion process from heat to electricity via photons. A basic thermophotovoltaic system consists of a hot object emitting thermal radiation and a photovoltaic cell similar to a solar cell but tuned to the spectrum being emitted from the hot object.

6. Thinking solar power? Make sure you do your homework

   www.aol.com/news/thinking-solar-power-sure...

   Solar panels can save money on your electric bill, but there are pros and cons you should know about first. Skip to main content. 24/7 Help. For premium support please call: 800-290 ...

7. Photovoltaic system - Wikipedia

   en.wikipedia.org/wiki/Photovoltaic_system

   A photovoltaic system, also called a PV system or solar power system, is an electric power system designed to supply usable solar power by means of photovoltaics.It consists of an arrangement of several components, including solar panels to absorb and convert sunlight into electricity, a solar inverter to convert the output from direct to alternating current, as well as mounting, cabling, and ...