Once used almost exclusively in space, photovoltaics are used more and more in less exotic ways. They could even power your house. Scott Aldous explains step-by-step how solar cells convert the sun’s light into sustainable electricity for daily living. solar
Category Archives: Technology
Solar Water Heating Calculator
Water heating is a major energy consumer. Although the energy consumed daily is often less than for air conditioning or heating, it is required year round, making it a good application of solar energy. Use the solar water heating calculator to determine if using solar energy for your hot water needs is beneficial.
What’s a Watt?
We are confronted every day by the notions of energy and power: cars and motors are sold by horsepower, light bulbs by watts, natural gas by therms, electricity by kilowatt-hours, and air conditioners by tons or BTUs per hour. Is energy the same as power? If not, what’s the difference, and how do all of …
Inside a Solar Panel
Learn how a solar cell works. From the ‘Anatomy of a Solar Cell’ to the ‘Generating Electricity’ this PBS NOVA program demonstrates how the photoelectric effect works and how solar cells can transform light into electricity. NOVA Program: Saved By the Sun: Inside a Solar Cell
How Residential Solar Power Works
When your system generates more electricity than you’re consuming, your utility meter will actually spin backwards. You accrue credit with your utility company at the same rate they are charging you. This allows you to reduce your electric bill and drive it toward zero. Borregro Solar explains step-by-step the process of transforming sunlight into electricity …