Printable solar cells could revolutionize personal energy provision

Imagine a world where your smartphone is charged by a thin film of solar cell embedded on the smartphone casing. Such personal energy provision devices and technologies could dramatically revolutionize mobile digital technology for communication, given the availability of an unlimited power supply from the sun. But, the route for getting there remains arduous with … More Printable solar cells could revolutionize personal energy provision

Overabundance of renewable energy and the removal of feed-in tariffs

Renewable energy such as those from wind, tides and solar typically have higher production cost compared to electricity from oil, coal and gas, with coal being the cheapest fuel source for conventional power plants. With the emphasis on reducing air pollutants from fossil fuel fired power stations and the importance of lowering carbon dioxide emissions … More Overabundance of renewable energy and the removal of feed-in tariffs

Unaccounted for greenhouse gas emissions from hydroelectric power plants

Hydropower produced by turbines from water flowing down a large reservoir retained by a dam is one renewable energy source tapped by countries endowed with rivers traversing a terrain with large elevation changes. Often touted to be clean, non-polluting and sustainable, hydroelectric power generation does have environmental concerns, primarily in the area of impacting the … More Unaccounted for greenhouse gas emissions from hydroelectric power plants

Water quality concerns of floating solar photovoltaic farm in drinking water reservoir

Solar photovoltaic panels of a floating test array on a reservoir in Singapore (Source: The Straits Times) Singapore recently announced plans to test the feasibility of using floating solar photovoltaic farm on water as a means to increase the capture of renewable energy for its electricity grid (The Straits Times, http://www.straitstimes.com/singapore/worlds-largest-floating-solar-photovoltaic-cell-test-bed-launched-in-singapore; Today, http://www.channelnewsasia.com/news/singapore/tengeh-reservoir-to-host-world-s-largest-solar-panel-testbed/3232878.html). In its … More Water quality concerns of floating solar photovoltaic farm in drinking water reservoir