Stories tagged with hydroelectric

The Energy Return of (Industrial) Solar - Passive Solar, PV, Wind and Hydro (#4 of 5)

Below is 4th in a series of installments by Professor Charles Hall of the SUNY College of Environmental Science and Forestry and his students attempting to update the 'balloon graph' of EROI x Scale for fossil and renewable energy sources with help from theoildrum.com readership. Todays post deals with solar energy, specifically: Hydropower, Passive Solar, Photovoltaic, and Wind energy. Next will be Geothermal and Wave energy systems.