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CMU researchers find controlled charging of PHEVs can cut cost of integration into electricity system by 54-73%; higher benefits with wind power

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In a new study published in the journal Applied Energy , Carnegie Mellon University (CMU) researchers found that controlled charging of plug-in hybrid electric vehicles (PHEVs) reduces the costs of integrating the vehicles into an electricity system by 54–73% depending on the scenario.

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Researchers using ORNL Jaguar supercomputer for simulations to develop improved gasifiers

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Simulation of a coal jet region. Multiphase refers to the process of changing a solid (in this case, coal) to a gas (syngas). Scientists are able to run detailed simulations on the coal inlet region into the gasifier, allowing them to observe the dynamics. Image credit: Chris Guenther, NETL. Click to enlarge.

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What is Renewable energy integration, challenges, why it is needed

Baua Electric

Renewable energy integration refers to the process of efficiently incorporating renewable energy sources into existing energy systems. Key aspects of renewable energy integration include: Grid Integration: Connecting renewable energy sources to the electrical grid is a critical component of integration.

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EPA proposes rule for nationwide 30% cut in GHG from existing power plants by 2030 relative to 2005

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The value allocated here in EPA’s goal-setting formula was an average heat rate improvement of 6% for coal steam electric generating units (EGUs). EPA is proposing a BSER goal approach referred to as Option 1 and taking comment on a second approach (Option 2). The estimated cost of Option 2 is between $4.2

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How to Prevent Blackouts by Packetizing the Power Grid

Cars That Think

That need for balance is true of electric power grids, too. Second, conventional coal and nuclear plants are being retired for economic and policy reasons, removing stable sources from the grid. Packetized energy management (PEM) allows the power grid to flexibly handle a varying supply of renewable energy.

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DOE reports progress on development of low-carbon and renewable sources of hydrogen production

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The objective of the Hydrogen Production sub-program is to reduce the cost of hydrogen dispensed at the pump to a cost that is competitive on a cents-per-mile basis with competing vehicle technologies. Based on current analysis, this translates to a hydrogen threshold cost of. Source: DOE. Click to enlarge.

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IRENA, IEA study concludes meeting 2?C scenario possible with net positive economics

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We are in a good position to transform the global energy system but success will depend on urgent action, as delays will raise the costs of decarbonization. Primary CO 2 emissions reduction potential by technology in the Reference Case and REmap, 2015-2050. Coal use would decline most rapidly. Click to enlarge.

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