013-DYK: More Energy Storage Needed
Did you know as of June 2018, the U.S. had over 25.2 GW of rated power in energy storage compared to 1,082 GW of total in service installed generation capacity. Globally, installed energy storage totaled 175.8 GW.
012-DYK: Energy Sources and Emissions: Who Wins?
A geothermal power plant emits roughly 11 times less carbon dioxide (CO2) )per unit electricity that the average U.S. coal power plant.
011-DYK: Geothermal Energy-What Is It?
Did you know Geothermal energy is derived from the natural heat of the earth. It exists in both high enthalpy (volcanoes, geysers) and low enthalpy forms (heat stored in rocks in the Earth's crust)? Nearly all heating and cooling applications utilize low enthalpy...
010-DYK: Almost as Efficient as Shaq’s Freethrows
Did you know that PV conversion efficiency is the percentage of incident solar energy that a PV converts to electricity. For production modules, conversion efficiency is 6% to 21%.
009-DYK: Here Comes the Sun
Did you know on average, 1.05 x 105 terawatts (TW) of solar radiation reach the Earth’s surface, while global electricity demand averages 2.4 TW.
008-DYK: Driving is a Waste of Time
Did you know that due to congestion in urban areas, an additional 6.9 billion hours of travel time and an extra 3.1 billion gallons of fuel are use by urban Americans in 2014?
007-DYK: Cars vs Trains and Busses
Did you know that in 2015, 58.65 billion passenger-miles (PM) were traveled on public transit, and 3 trillion vehicle-miles are traveled (VMT) on public roads each year.
006-DYK: People Like Cities
Did you know the rate of urbanization, i.e., the changing of land from forest or agricultural uses to suburban and urban uses, is increasing by 15% from 2010 - 2015? Urban land area is 106,386 square miles, or 3% of total land area in the U.S., and is projected to...
005-DYK: Where Do People Live?
Did you know approximately 82% of the U.S. population lives in urban areas, up from 64% in 1950 and by 2050, 90% of the U.S. population and 68% of the world population is projected to live in urban areas?
004-DYK: Wasteful Energy
Did you know that Wasteful Energy uses in residential homes include the following and that these together they represent approximately 39% of all residential primary energy use? Heating and cooling unoccupied homes and rooms Inefficient appliances Thermostat...