Photo © iStockphoto.com/DrAfter123 Renewable energy sources – biomass, geothermal, hydropower, solar and wind – accounted for more than one-fifth (20.1%) of net domestic electrical generation during the first six months of 2019, according to a SUN DAY Campaign analysis of newly released data from the U.S. Energy Information Administration (EIA). A year earlier, renewables’ share was 19.9%. The latest issue of EIA’s “Electric Power Monthly” (with data through June 30) reveals that solar and wind both showed continued growth. Solar, including small-scale solar photovoltaic systems, increased by 10.5% compared to the first half of 2018 and accounted for 2.7% of the nation’s total net generation
Temporary bans on new natural gas connections have prompted some New York homeowners to turn to geothermal systems. Workers from Dandelion Energy work on a trench for geothermal loops at the home of Robert A. Culp and Vivian Linares in Garrison, NY. Credit Andrea Mohin/The New York Times Thanks to temporary bans on new natural gas hookups in parts of New York, the market for single-family geothermal energy systems, which use underground pipes to harness the earth’s energy for heating and cooling buildings, is finally starting to make some inroads. Geothermal energy systems use a network of underground pipes, commonly referred to as ground loops, which circulate water and propylene glycol, a
Chattanooga Metropolitan Airport CHATTANOOGA METROPOLITAN AIRPORT Chattanooga's been having quite a cultural moment recently, what with dozens of new restaurants and bars popping up across town. Last September, The Edwin Hotel, a member of The Autograph Collection, opened with much fanfare, joining The Dwell and The Moxy Chattanooga Downtown in The Scenic City's growing boutique hotel scene. Now, Tennessee's fourth-largest city is once again turning heads by claiming a first in the sustainability sector. Earlier this month, the Chattanooga Metropolitan Airport announced that it had hit a much-anticipated milestone in becoming the first airfield in the United States powered by 100% solar ener