Who needs ‘baseload’ power? (Or, let the markets do their job)

June 26, 2017 by  
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We should seize the opportunity presented by the Department of Energy’s grid study to ensure tomorrow’s electricity markets work in service of, not contrary to, our society’s goals.

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Who needs ‘baseload’ power? (Or, let the markets do their job)

Tesla to power ‘almost all’ Superchargers with solar after disconnecting them from the grid

June 9, 2017 by  
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Tesla wants the world to switch to renewable energy – and the company is leading by example by taking “almost all” of its Superchargers off the grid. The stations have been criticized in the past because they rely on dirty fossil fuels to power up electric vehicles. In response, Tesla founder Elon Musk announced that “almost all” Superchargers will be disconnected from the grid as solar and battery arrays are installed at the company’s 800 stations. Since the Superchargers were unveiled in 2012, Musk has been talking about adding on solar arrays. Now, he’s preparing to launch ‘Version 3’ of the Supercharger while deploying even more battery and solar systems – and he wants to take them off the grid. In response to a negative comment on Twitter, Musk said, “All Superchargers are being converted to solar/battery power. Over time, almost all will disconnect from the electricity grid.” All Superchargers are being converted to solar/battery power. Over time, almost all will disconnect from the electricity grid. — Elon Musk (@elonmusk) June 9, 2017 As Elektrek reports , a recent study concluded that the average electric car in the United States now gets the same efficiency as a (non-existent) 73 mpg gas-powered vehicle . In retrospect, Musk could have made this point and ended the argument. However, he went one step further by unveiling the company’s ambition to take Tesla’s Supercharger network off-grid. Related: Tesla is doubling its Supercharger network by the end of the year to 10,000 chargers The logistics still need to be worked out, as Tesla would need solar arrays as large as football fields at some stations. However, the intention has been set, and if Elon Musk has proven anything, it’s that he’s an innovative leader who consistently takes action. Expect to see improved Supercharger stations that are disconnected from the electric grid in the future. Via Elektrek Images via Tesla , Inside EVs

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Tesla to power ‘almost all’ Superchargers with solar after disconnecting them from the grid

Does the power grid have enough juice to keep up with EV sales?

May 10, 2017 by  
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EV sales can surge 75 percent this year, but concerns are growing that installation of public fast-charging points may not be keeping pace.

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Does the power grid have enough juice to keep up with EV sales?

The entire U.S. energy picture depicted in (almost) one chart

May 5, 2017 by  
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Last year, 66.4 quads of energy, or more than two-thirds of the total energy consumed, was rejected or given off as waste heat.

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The entire U.S. energy picture depicted in (almost) one chart

Are falling utility revenues reason enough to slow down renewables?

March 20, 2017 by  
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Renewable energy’s growing pains: Distributed solar and wind power potentially could throw a wrench in the age-old utility business model.

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Are falling utility revenues reason enough to slow down renewables?

Baltimore is using the SDGs to build a more just city

March 20, 2017 by  
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The city has developed new indicators that could help urban communities keep closer tabs on local progress.

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Baltimore is using the SDGs to build a more just city

How Americans Are Embracing the Power of Their Homes

February 28, 2017 by  
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Just a few years ago, living off the grid conjured up images of tiny cabins in the middle of nowhere. Today, the dream of average American homeowners powering their homes with alternative energies is coming true. Solar panels on your neighbor’s…

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How Americans Are Embracing the Power of Their Homes

8 innovations that will electrify 2017

February 2, 2017 by  
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Distributed energy resource (DER) valuation, electric vehicles and alternative capital planning are front of mind for grid innovators.

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8 innovations that will electrify 2017

The long view: A conversation with RMI’s CEO Jules Kortenhorst

February 2, 2017 by  
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General Motors, Salesforce and many others prove corporate demand for renewable energy is charging forward, never mind the moves from Washington.

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The long view: A conversation with RMI’s CEO Jules Kortenhorst

Tesla just unveiled the world’s largest battery storage plant

February 1, 2017 by  
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Tesla just completed construction on what it claims is the largest lithium-ion battery storage project in the world. The facility is located at in Ontario, California and it consists of 396 Tesla powerpacks that can store 80 megawatt-hours of electricity – that’s enough to power over 2,500 households for a day or 15,000 households for four hours. Tesla nabbed the contract to build the battery storage facility for Southern California Edison in September 2016, and it was completed by the end of that year. The project consists of two 10 megawatt systems – each made of 198 Tesla Powerpacks and 24 inverters – connected to two different circuits at the Mira Loma Substation. Tesla Chief Technical Officer JB Straubel said “Storage is quite a new thing…and this is a different breed of battery. This is the tip of the iceberg of how much storage we’ll see on the grid .” Related: Solar homes with Tesla’s Powerwall 2.0 are already cost-competitive with the grid in Australia SCE said the facility would allow them to draw more on clean energies like solar power . When clean energy projects produce more electricity than the utility needs, it can now be stores and utilized during peak hours. The Tesla battery storage facility seems like the perfect answer to our energy issues, but MIT Technology Review points out lithium batteries are still expensive, and no one has said how much the facility cost. It’s also not clear how many cycles the Powerpack batteries can go through before they begin to degrade – MIT estimates 5,000 cycles, which would work well in a home but not as well in a grid setting. At the ribbon-cutting, SCE CEO Kevin Payne said, “This project is part of our vision at SCE to take advantage of the wind and the sun, and operate a flexible grid that delivers clean energy to power our homes, our businesses, and our vehicles. Standing here today among these Tesla Powerpacks is a great reminder of how fast technology is changing the electric power industry and the opportunities that will come with it.” Via MIT Technology Review Images via Ernesto Sanchez/Edison International

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Tesla just unveiled the world’s largest battery storage plant

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