Can mini-grids solve sustainable energy access?

April 30, 2018 by  
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Community energy and mini-grids are promising models for reducing global energy poverty, but the nascent sector is still far from proven.

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Can mini-grids solve sustainable energy access?

Why distributed solar is winning in Texas

February 28, 2018 by  
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Distributed solar power generators save money by avoiding expensive transmission grids.

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Why distributed solar is winning in Texas

Colorado hits lowest renewables and storage bids to date

January 9, 2018 by  
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The state will deliver reliable renewables plus storage projects at a price that is cheaper than operational coal capacity.

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Colorado hits lowest renewables and storage bids to date

Fear of missing the mark can subvert ambitious targets

January 9, 2018 by  
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But here’s evidence about why that belief is short-sighted.

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Fear of missing the mark can subvert ambitious targets

What an integrated Western grid means for California

January 8, 2018 by  
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The electricity grids of the Western U.S. are home to major electricity innovation — as well as major grid challenges.

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What an integrated Western grid means for California

What an integrated Western grid means for California

January 8, 2018 by  
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The electricity grids of the Western U.S. are home to major electricity innovation — as well as major grid challenges.

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What an integrated Western grid means for California

Episode 106: Resilience is the ‘new normal’; rebuilding PR’s grid

January 5, 2018 by  
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In this week’s episode, the circular economy helps the developing world, taking ‘net positive’ with a grain of salt and avoiding the climate apocalypse.

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Episode 106: Resilience is the ‘new normal’; rebuilding PR’s grid

Business leaders can rally to these promising policy battles in 2018

January 5, 2018 by  
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Here’s where you’ll find opportunity for greatness and innovation fit for the future

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Business leaders can rally to these promising policy battles in 2018

Consumers in Germany were paid to use electricity this holiday season

December 26, 2017 by  
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The cost of electricity in Germany has decreased so dramatically in the past few days that major consumers have actually been paid to use power from the grid. While “negative pricing” is not an everyday occurrence in the country, it does occur from time to time, as it did this holiday weekend. This gift to energy consumers is the result of hundreds of billions of dollars invested in renewable energy over the past two decades. This most recent period of negative pricing was a result from warm weather, strong breezes, and the low demand typical of people gathering together to celebrate. Germany’s temporary energy surpluses are a result of both low demand and variably high supply. Wind power typically makes up 12 percent of Germany’s power consumption on a daily basis. However, on windy days, that percentage can easily multiply several times the average. The older segment of Germany’s energy portfolio, such as coal plants , are not able to lower output quickly enough. Thus, there is a glut of electricity. On Sunday, Christmas Eve, major energy consumers, such as factory owners, were being paid more than 50 euros (~$60) per megawatt-hour consumed. Related: First public ultra-fast EV charging station in Europe is now operational Germany is not the only country that has experienced negatively priced power. Belgium, France, the United Kingdom , the Netherlands and Switzerland have all had to face the fortunate problem of too much energy. European countries are often able to share excess power with each other through the grid, though the system is far from perfect. This challenge highlights the essential need for affordable battery storage technology. With battery storage, countries will be able to save excess power in an energy bank, ready to be deployed in an emergency or simply returned to citizens in the form of cheap or even free energy. Via the New York Times Images via Depositphotos (1)

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Consumers in Germany were paid to use electricity this holiday season

New Arval HQ uses geothermal and solar energy to achieve complete power self-sufficiency

December 26, 2017 by  
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The new headquarters for car rental company Arval uses geothermal and solar energy to achieve complete self-sufficiency and a zero-emission status. Pierattelli Architetture designed the building with huge photovoltaic steel wings lined with over 1000 flexible solar panels to maximize solar-collecting capabilities. The architects designed the headquarters , known as the Photovoltaic Bolt, as a Climate House Class A building without emissions. The complex is characterized by huge photovoltaic wings with about 1000 solar panels , realized with a steel frame. Together with the panels installed on the roof, these structures can generate enough power to activate the geothermal pumps in the subsoil and make the building completely energy self-sufficient. Related: OVG’s TNT Centre is an Energy Positive, Zero Emission Office in The Netherlands The office spaces and common areas are distributed across 3 floors and a basement, accommodating about 200 employees per floor. Spaces are articulated around a central dorsal on a north-south axis to provide an east-west direction and guarantee optimum sunlight positioning. Natural light is available throughout the complex. The architects placed ceiling lights of different dimensions to guarantee maximum diffused lighting capability. Large open spaces and colorful furniture help humanize the spaces and enhance socialization. Color coding by program makes navigation more intuitive and fun. + Pierattelli Architetture Photos by Max Lisi

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New Arval HQ uses geothermal and solar energy to achieve complete power self-sufficiency

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