July 2018
June 2018
November 2014
What is a on-grid solar system?
Electricity generated by a Solar Photo Voltaic (PV) system can be directly consumed by the load itself or can be  stored in a battery bank or can be sent out to the grid. A solar PV system in which the electricity generated can be sent to the grid is called an on-grid system. This type of [...]
July 2014
eWaste Recycling in Bangalore, India
What happens to our old cellphones and laptops, used batteries and discarded lights and other appliances? Sometimes we trade in the old for new. Many retailers take our old eWaste and often just channel it into the informal sector, whereby it finally ends up in landfills. From here, the poisonous chemicals like mercury, cadmium etc seep [...]
Good to know: LED Lamps
Trends: Industry predictions are that human society will move away from incandescent light bulbs to LED lamps in about a decade or two. People like smaller electricity bills. Environmentalists want less energy wastage as heat. Haitz's Law states that "every decade, the cost per lumen (unit of useful light emitted) falls by a factor of 10, and the [...]