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Post Tagged with: "Renewable Energy"

Pankaj Rajpal's solar Rooftop in New Delhi

Why Is India Lagging Behind In Tapping Solar Power?

Two emails come in simultaneously into my email box. One almost chortling that California breaks energy record with 80% of state’s power generated using renewable methods. The Golden State generated 67% of its energy from renewables in one day. I stare at the text, truly amazed at California’s drive to get clean. Meanwhile, the second email which is a Greenpeace[Read More…]

How Have The IEA’s Renewable Forecasts Changed?

How Have The IEA’s Renewable Forecasts Changed?

Renewable energy capacity is growing more rapidly than expected, says the International Energy Agency (IEA), overtaking coal for the first time. The IEA also says it has “significantly increased” its forecasts for the growth of renewable capacity over the next five years. Yet its forecasts continue to show future growth slowing down. Carbon Brief looks at the latest IEA renewable[Read More…]

Renewables Just Passed Coal As The Largest Source Of New Electricity Worldwide

Renewables Just Passed Coal As The Largest Source Of New Electricity Worldwide

It’s been a long run, coal, but your reign is over. Renewable energy sources have passed coal as the largest new source of electricity in the world, according data released Tuesday by the International Energy Agency (IEA). The transition of the world’s energy sources is critical for avoiding a 2°C rise in global temperatures. Coal, for instance, represented about a[Read More…]

400 ppm CO2: The Case For Renewable Energy

400 ppm CO2: The Case For Renewable Energy

Scientists have reached a near unanimous agreement that the earth has entered a new geological era – anthropocene – characterised by human induced climate change. The resulting super floods, typhoons, and heat waves have caused several thousands of deaths in the past ten to fifteen years. However, climate change not only claims its victims through the occurrence of these mega[Read More…]

Photo-Voltaics Is Not An Energy Sink In Switzerland

Photo-Voltaics Is Not An Energy Sink In Switzerland

Energy Policy recently published a study conducted on the EROEI of Photo-Voltaics (PV) technologies installed in Switzerland. The end result is a remarkably low figure of 0.8:1, well below any EROEI assessments ever conducted on this energy technology. Such a figure naturally made the delight of those campaigning against renewable energy, who take at face value any hints of negative[Read More…]

by Comments are Disabled Alternative Energy
The Real EROI Of Photovoltaic Systems: Professor Charles Hall Weighs In

The Real EROI Of Photovoltaic Systems: Professor Charles Hall Weighs In

Charles Hall is known for his multiple and important contributions in the field of sustainability, and in particular for having introduced the concept of Energy Return on Energy Investment, EROI or EROEI. He is now emeritus and still active in research; among other things as chief editor of the new Springer journal: “Biophysical Economics and Resource Quality, BERQ. Here, he[Read More…]

by Comments are Disabled Alternative Energy
A 100% Renewable World Is Possible? A Poll Among Experts

A 100% Renewable World Is Possible? A Poll Among Experts

I am reporting here the results of a small survey that I carried out last week among the members of a discussion forum; mainly experts in renewable energy (*). It was a very informal poll; not meant to have statistical value. But some 70 people responded out of a total of 167 members; so I think these results have a[Read More…]

by Comments are Disabled Alternative Energy