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Yes We Can Says UN

Yes We Can Says UN

The headline comes in two parts. The Intergovernmental Panel on Climate Change  has a report out showing we can get 80% of our energy from renewable sources and save the planet by 2050, investing just 1% of global GDP in the effort. But the IPCC is affiliated with the United Nations, so conservatives smell a conspiracy. As Warwick Hughes notes, […]
Renewables Show Promise Amid Scary Signs of Climate Change

Renewables Show Promise Amid Scary Signs of Climate Change

Earth's inhabitants are showing increasing stress from global warming as trees fall over in Alaska, penguin chicks die in Antarctica and traditional villagers near the Arctic seek new homes because their coastal villages have washed away.
The Mobile Microgrid: Is It Almost Here?

The Mobile Microgrid: Is It Almost Here?

Life without our mobile phone seems pretty unimaginable, doesn’t it? We now carry along our phone/camera/computer in our hands, and, if you want to believe a recent movie, some of us even fall in love with the personal assistant. “(You) Siri – why am I here?...(Siri) I can’t answer that for you, can I?” But what about microgrids, why not have a personal mobile i-power source? If you bear with me I’ll show you why that isn’t so farfetched. The mobile “i-uGrid” may already be on the way.
Making Renewables and Energy Efficiency Visible in Hungary

Making Renewables and Energy Efficiency Visible in Hungary

This blog is not just about the renewable or energy efficiency potential in a small Central European country — although Hungary does have huge potential in both areas. It’s also about the way that you can turn this potential into reality. According to a 2011 study conducted by a regional NGO, Energiaklub, total annual energy consumption of family houses and […]
PV Durability and Reliability Issues

PV Durability and Reliability Issues

While no abbreviated test program can predict with 100% certainty that a module will properly perform in an environment for 25+ years, an improved methodology that more closely simulates the real environment, while still maintaining reasonable acceleration, can certainly be a valuable tool to assess the question of survivability
Hoover: Water | Power

Hoover: Water | Power

From 2004-2006 I engaged a project to record audio and video in each of the 12 months at Death Valley, Calif. The most direct route from Phoenix to Death Valley passes over Hoover Dam, through post 9-11 roadblocks on both the Arizona and Nevada sides of the dam, often, with 20-minute delays. So I passed over the dam many times.
MTBF and Reliability — A Misunderstood Relationship in Solar PV

MTBF and Reliability — A Misunderstood Relationship in Solar PV

In the PV industry the traditional approach of using central or string inverters with the highest efficiency under lab conditions, and at the lowest cost per peak watt of power, is giving way to systems that are simpler to install with longer component lifetimes. These new systems harvest more energy in more diverse, real-world conditions.
PV durability and reliability issues

PV durability and reliability issues

>While no abbreviated test program can predict with 100% certainty that a module will properly perform in an environment for 25+ years ...
PV and CPV Standards on the Rise

PV and CPV Standards on the Rise

Reliability of PV and CPV modules is a key requirement for sustainable consumption of solar energy. To ensure their reliability and safety, PV modules must be tested to and comply with a universally accepted set of standards. Additionally, several initiatives are currently underway to enhance product reliability, some of which are likely to become industry-enforced standards in the near future.
Testing PV Module Reliability

Testing PV Module Reliability

Reliability of PV and CPV modules is a key requirement for sustainable consumption of solar energy. To ensure their reliability and safety, PV modules must be tested to and comply with a universally accepted set of standards. Additionally, several initiatives are currently underway to enhance product reliability, some of which are likely to become industry-enforced standards in the near future.