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A plot of ESOI for 7 potential grid-scale energy storage technologies. A new study by Charles J. 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.
A new University of Michigan study finds that making the switch to all-electric mail-delivery vehicles would lead to far greater reductions in greenhouse gas emissions than previously estimated by the US Postal Service (USPS). The Postal Service has not commented on the U-M study. Earlier post.). The USPS estimate was 10.3
The large scale rollout of plug-in electric vehicles (PEVs) will be hindered unless investors stimulate demand, lower the cost of public charging infrastructure and manage the impact on the grid, according to a report published by Accenture. Plugging in vehicles whenever parked will help grid management, easing the strain on the grid.
In most cases the existing technology grid can accommodate truck charging at depots. That perception is shifting, and our research suggests that certain short-haul operations can be electrified today with relatively low-power depot charging that won’t overwhelm the grid. 100 kW/vehicle) for the fleets studied.
The report, Bucks for balancing: can plug-in vehicles of the future extract cash—and carbon—from the power grid? , is based on a research collaboration between a team of engineers from Ricardo and National Grid, the operator of the high voltage electricity transmission system within Great Britain (GB). Click to enlarge.
The new battery design could help ease integration of renewable energy into the electrical grid at lower cost, using Earth-abundant metals, according to a study just published in Energy Storage Materials. h is achieved with an estimated raw active materials cost of $7.02 mAh cm −2 , a discharge duration of 28.2
The CEO and General Manager of Terna, Luigi Ferraris, and the Chief Operating Officer of Fiat Chrysler Automobiles (FCA) in EMEA, Pietro Gorlier, signed a Memorandum of Understanding for the joint trialing of sustainable mobility services and technologies such as Vehicle-to-Grid (V2G).
SAFE and the Electrification Coalition (EC) released a report highlighting policy opportunities to accelerate the adoption of vehicle-to-grid (V2G) technology. The technology can help accelerate the adoption of EVs by unlocking these and other new value streams for EV owners and mitigating the total cost of ownership.
The California Center for Sustainable Energy (CCSE) will lead a joint research study of how the useful lifespan of electric vehicle batteries could be extended by repurposing them as household electric storage devices with a $992,000 grant from the University of California. of Monrovia, Calif.; Flux Power of Vista, Calif.; —Mike Ferry.
ClearFlame Engine Technologies, a startup developing net-zero engine technology ( earlier post ), announced the publication of an independent study that finds ClearFlame’s technology could help fleet owners and other heavy-duty truck operators lower total costs while meeting sustainability goals sooner than currently available alternatives.
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. Weis et al. Click to enlarge.
In a paper in Nature , they suggest that the use of such redox-active organic molecules instead of redox-active metals represents a new and promising direction for realizing massive electrical energy storage at greatly reduced cost. —Huskinson et al. Background.
Cost of carbon abated for transport applications. It draws on benchmarking data to demonstrate the full lifecycle carbon dioxide savings and also demonstrates that the Bio-SNG route is a very cost effective route for decarbonization compared with other renewables. Cost of carbon abated. Bio-SNG Feasibility Study.
Li-ion battery maker A123 Systems will supply a Grid Battery System (GBS) to Maui Electric Company (MECO), a utility serving residents and businesses on the islands of Maui, Lanai and Molokai in Hawaii. The system, NSTAR’s first battery energy storage project, is proposed for installation at a substation in Medway, Mass. Maui Electric.
A study commissioned by EDF and conducted by Gladstein, Neandross and Associates (GNA) has evaluated a year’s worth of heavy-duty truck trips conducted by two national trucking companies: NFI and Schneider. Also, how are the costs of charging and peak load impacted by managed charging under different electric rate variants?
The US Department of Energy’s (DOE) National Renewable Energy Laboratory (NREL) released the Eastern Wind Integration and Transmission Study (EWITS). The study identified operational best practices and analyzed wind resources, future wind deployment scenarios, and transmission options. David Corbus, NREL project manager for the study.
In their study, Yang et al. To be successful, systems will need to evolve—in some cases, considerably—to compete financially with the cost of natural gas production. The future grid will face significant challenges by providing clean power from intermittent resources to a much more dynamic load. —Yang et al.
The California Independent System Operator Corporation (ISO), California’s non-profit grid operator, released its new five-year (2012-2016) strategic plan. Between now and 2020, wind and solar generation will quadruple within the ISO transmission grid at the same time electric vehicle charging increases significantly.
They also found that the total costs of ownership (TCO) of the electric and diesel trucks are similar. However, the cost-competitiveness of the electric truck diminishes in drive cycles with higher average speed. The study is published in the ACS journal Environmental Science & Technology. Credit: ACS, Lee et al.
A well-established downstream syngas-to-synfuel conversion process, such as Fischer-Tropsch synthesis, converts the syngas to liquid synfuel for a total projected cost of less than $4/gallon. In addition to the FEEDs being proposed, Westinghouse has chosen to include two special interest areas for investigative study.
A study by a team at University of Illinois at Urbana−Champaign has found that, with currently achievable performance levels, synthetic fuels produced via the electrochemical reduction of CO 2 and the Fischer-Tropsch (FT) process system are not economically and environmentally competitive with using petroleum-based fuel. —Li et al.
The results from this study suggested a cost of hydrogen as low as ¥17 to ¥27/Nm 3 (US$0.16 - $0.25) using a combination of technologies and the achievement of ambitious individual cost targets for batteries, PV, and electrolyzers. This approximately converts to US$1.92 to US$3.00/kg
Attaining environmental benefits and lower cost of ownership are driving more commercial fleets to electrify, according to a new study by UPS and GreenBiz. In addition to the fuel savings, electric vehicles typically require less maintenance than traditional internal combustion engine vehicles, which means lower maintenance costs.
C) Extraction costs of the elements in the couples, calculated from the USGS prices of the elements. only for grid-scale batteries? What is the cost of the elements in the couple (in $/kWh)? started by noting that batteries for grid-scale and electric vehicle energy storage have significantly different performance requirements.
H 2 V technology success—which includes a sharp reduction in the fuel cell cost/kW and on-board storage, as well as a public hydrogen infrastructure—results in the H 2 V market share of around 70%, compared to around 30% with current baseline technology scenarios. (A gallon of gasoline equivalent to $4.0;
A new study by a team from UC Berkeley and Stanford University suggests that determining the optimal use of biomass to reduce greenhouse gas emissions—i.e, Using that as an example, the new study by Lemoine et al. Electricity from all sources flows into the grid and is used to meet instantaneous system-wide demand.
Further, the study found that actual installed costs would need to be lower to accommodate life-cycle impacts and maintenance. There are a wide range of potential benefits for energy storage applications and when aggregated, these benefits can justify the costs of installing storage in many places.
According to the report, the decline in PV installed costs seen by customer-owners of such systems in 2010 follows a significant drop in the wholesale cost for PV modules in 2009. As report co-author Galen Barbose explains, “ Based on our data, average installed costs held steady at $7.50/W W over the period from 1998 to 2007.
The US will need to expand and modernize its outdated power transmission grid to incorporate more renewable energy sources, but balkanized ownership and regulation are going to make that process slow and difficult, according to a new Duke University analysis. —Chi-Jen Yang of the Duke-based Climate Change Policy Partnership (CCPP).
Source: “Hidden Costs of Energy”. Source: “Hidden Costs of Energy”. The committee also separately derived a range of values for damages from climate change; the wide range of possibilities for these damages made it impossible to develop precise estimates of cost. Damages are expressed in cents per VMT (2007 USD).
The least expensive way for the Western US to reduce greenhouse gas emissions enough to help prevent the worst consequences of global warming is to replace coal with renewable and other sources of energy that may include nuclear power, according to a new study by University of California, Berkeley, researchers. —Daniel Kammen.
The study investigated the the WTW energy and emissions from the use of natural gas in CNGVs with a range of CNGV fuel economy and natural gas compressor efficiency. Cost considerations on the total infrastructure or cost of ownership were also outside the scope of this work but are nevertheless important, they team noted.
Simply plugging in one million electric cars (unmanaged or ad hoc charging) could add $750 million in annual wholesale energy costs unless smart charging is adopted, according to a joint study conducted by PJM Interconnection and Better Place, released by Better Place. EV distribution and penetration in the study.
Tesla Motors and SpaceX CEO Elon Musk released the preliminary design study for what he call “The Hyperloop”—a new high-speed electric transportation system targeted for the the specific case of high-traffic city pairs (e.g., For the study, the Hyperloop design team used a system servicing San Fransicso and Los Angeles.
In a pair of studies using real-world driving conditions, scientists at the US Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) found that hybrid cars are significantly more fuel-efficient in India and China than they are in the United States due to traffic and driving conditions in those countries. China study.
In their study, published in the ACS journal Environmental Science & Technology they found that—compared to gasoline—the GHG savings from miscanthus-based ethanol ranged between 130% and 156% whereas that from switchgrass ranged between 97% and 135%. Production cost of ethanol is annualized over the simulation period.
The study found that TCO for electric and diesel medium-duty urban delivery trucks were similar. The electric truck is relatively more cost-effective on the NYCC and when VKT demand is higher. Cost-competitiveness of the electric truck diminishes in drive cycles with higher average speeds. Credit: ACS, Lee et al. equipment)./p>.
There are currently two federally-designated wind energy areas (WEAs) off the cost of California: Humboldt off the North Coast and Morro Bay off the Central Coast. However, the electric system in California’s North Coast region is relatively isolated from the California grid and serves primarily local community need.
The simulation study demonstrates that efficient control of the energy storage system not only reduces the energy costs of the entire wireless charging road system but also alleviates the pressure produced by the wireless charging load on the existing power grid. —Shi and Gao (2022).
In a paper published in the RSC journal Energy & Environmental Science , the team said these steps include smart co-product utilization; decarbonization of the electricity and heat grids as well as indirect energy requirements for fertilizer; transport; and building material. —Shirvani et al. MJ/MJ and 0.9 is lowered to 1.7.
One of the projects to be awarded grant funding is the “P2G BioMet” project, led by Hydrogenics, along with consortium members CNG Services, Electrochaea and National Grid. from biogas) to produce methane that can be injected into the National Grid. from biogas) to produce methane that can be injected into the National Grid.
The study provides a comprehensive analysis of the cost and greenhouse gas (GHG) emissions of a variety of vehicle-fuel pathways; the levelized cost of driving (LCD); and the cost of avoided GHG emissions. It is hard to overstate the importance of the improvements in battery costs on this analysis.
The PNNL technology tells a vehicle’s battery charger when to start and stop charging based upon existing conditions on the electrical grid. The Grid Friendly EV Charger Controller technology notifies the car’s battery charger when to start and stop charging based upon existing conditions on the electrical grid. Source: PNNL.
The main findings of the economic analysis, published in the International Journal of Hydrogen Energy , show that geologic limitations rather than city demand cause a larger disparity between costs from one city to the next. Storage above ground requires tanks, which cost three to five times more than geologic storage, Lord said.
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