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Stanford study quantifies energetic costs of grid-scale energy storage over time; current batteries the worst performers; the need to improve cycle life by 3-10x

Green Car Congress

A plot of ESOI for 7 potential grid-scale energy storage technologies. Benson from Stanford University and Stanford’s Global Climate and Energy Project (GCEP) has quantified the energetic costs of 7 different grid-scale energy storage technologies over time. Credit: Barnhart and Benson, 2013. Click to enlarge. Barnhart and Sally M.

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Study Finds Coordinated Off-peak Charging Can Support Large Scale Plug-in Use Without Additional Generation Capacity; TCO and GHG Abatement Costs for BEVs Projected to Remain High

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GHG emissions from electric driving depend most on the fuel type (coal or natural gas) used. 155 g/km (using electricity from an old coal-based plant). become competitive when batteries cost €400/kWh, even without tax incentives, as long as. one battery pack can last for the lifespan of the vehicle. This cost gap.

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ORNL study finds best current use of natural gas for cars is efficient production of electricity for EVs

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The WTW analysis focused solely on the fuel-motive power cycle, disregarding the vehicle cycle—i.e., the associated energy and emissions for the battery, power electronics, and auxiliary systems found only on battery EVs and for the CNG tank and auxiliary systems only found on natural gas vehicles. Click to enlarge.

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CMU study finds controlled EV charging can reduce generation cost, but at greater health and environmental costs depending upon the generation mix

Green Car Congress

Results from the study also suggest that with sufficient coal plant retirement and sufficient wind power, controlled charging could result in positive net benefits instead of negative. A paper describing the work is published in the ACS journal Environmental Science & Technology. other parts of the US and the world could be different.

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DNV GL: world energy demand will peak in 2035 prompting a reshaping of energy investment due to rapid electrification and inherent efficiency

Green Car Congress

Oil will peak in 2023 and coal has already peaked. By 2027 half of new cars sold in Europe will be battery-powered and the same will be true five years later in China, India and North America. trillion) and grid expenditure (US$1.5 The electrification trend is already enveloping the automotive industry.

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Renault plans Europe's largest battery storage network

Green Car Reports

European electric-carmaker Renault plans to build the continent's largest stationary battery storage network next year using old electric-car batteries.

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Australia Goes All-in on Green Hydrogen

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And while coal plants still supplied over half of Australia’s power in 2021, change is afoot. The 124-megawatt solar plant adjacent to Korea Zinc’s Townsville refinery, completed in 2018, cut a quarter of the coal-heavy grid power it had been using to run its power-intensive electrolytic process.

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