To Store or Not to Store: That is the Question

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Typical daily grid demand. “ Why do you need energy storage on the grid, when the grid is full of power plants that generate all the energy that is needed? ” It would seem like a good question to ask and applies the same logic has been used for the past fifty years in determining grid strategy. Supplementing baseload coal-, nuclear- and gas-powered power pants in a grid strategy for tomorrow. Perspective by The Townsend Company. Figure 1.

Store 235

Daimler & enercity storing new replacement EV batteries in working 15 MWh grid storage system; “living storage”

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By marketing the storage capacity on the German market for primary balancing power (PRL), the business model makes an important contribution to stabilization of the power grid and to the economic efficiency of electromobility. In the event of increasing fluctuations in electricity feed-in from renewable energies such as wind and solar energy, such storage facilities help to ensure optimum settling of a mains frequency that has to be kept constant.

2016 163

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Opinion: Reinventing fuel-based power for a more secure and resilient grid

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With battery storage able to provide a unique role in balancing a renewable electricity grid, Toby Gill, CEO of Intelligent Power Generation, asks could innovations in green hydrogen and biofuel technologies contribute to a more optimized and economical energy mix?

2020 274

Highview Power and Encore Renewable Energy to co-develop the first long-duration, liquid-air energy storage system in US

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a provider of long duration energy storage solutions, and Encore Renewable Energy, a developer of renewable energy generation and storage projects, jointly announced plans to develop the United States’ first long-duration, liquid-air energy storage system. Highview Power Storage, Inc.,

2019 307

NSF awards UCSD team $39M to improve integration of distributed energy resources into grid; EV batteries also

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The National Science Foundation has awarded $39 million to a team of engineers and computer scientists at the University of California San Diego (UCSD) to build a first-of-its-kind testbed—DERConnect—to improve the understanding of how to integrate distributed energy sources such as solar panels, wind turbines, smart buildings and electric vehicle batteries into the power grid. We will be replicating the entire California power grid on one campus.

2020 161

E.ON developing pilot hydrogen plant for storing wind power in the German gas grid

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is developing a pilot plant in Falkenhagen in the north east of Germany to convert power from wind energy into hydrogen which can then be stored in the country’s gas grid. Using power from renewable energy sources, the plant will produce about 360 m 3 (30 kg) of hydrogen per hour from 2013 onwards through electrolysis. This makes the gas grid a storage system for power from weather-dependent renewables.

2011 207

Intermountain Power Agency orders MHPS JAC Gas Turbine technology for renewable-hydrogen energy hub, operated by LA DWP

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This award marks the first Advanced Class Gas Turbines in the industry specifically designed and purchased as part of a comprehensive plan to sequentially transition from coal, to natural gas and finally to renewable hydrogen fuel, and creates a roadmap for the global industry to follow.

2020 428

UC Riverside opening Sustainable Integrated Grid Initiative; integration of solar energy, battery storage and electric and hybrid vehicles

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Schematic of the “New Grid Testbed” components, including renewable energy generation, energy storage, smart distribution and electric transportation Click to enlarge. The University of California, Riverside is opening its Sustainable Integrated Grid Initiative to research the integration of: intermittent renewable energy, such as photovoltaic solar panels; energy storage, such as batteries; and all types of electric and hybrid electric vehicles.

2014 240

Bloom Energy announces hydrogen-powered energy servers to make always-on renewable electricity a reality

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Bloom Energy, a developer of solid oxide fuel cell power generators, announced the ability of its Energy Servers to operate on renewable hydrogen. At peak times, some US states and countries already have more renewable power than their grids can handle. Despite those periods of excess wind and solar power, because the ability to store electricity for more than a few hours is lacking, dispatchable power from the combustion of fossil fuels continues to bridge gaps in supply.

2019 251

BMW i ChargeForward Program to demo contribution of intelligent EV charging to grid efficiency

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Working with a select group of BMW i3 drivers, BMW i ChargeForward will demonstrate how intelligent management of electric vehicle charging can contribute to improved electric power grid efficiency while reducing total cost of electric vehicle ownership. In the managed charge pilot program, select BMW i3 owners will allow PG&E to request a delay in the charging of their vehicles by up to an hour, when grid loads are at their peak.

2015 210

Bidirectional Charging Management (BCM) research project gets green light; tying in renewables

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The newly launched Bidirectional Charging Management (BCM) research project is bringing together companies and institutions from the automotive, energy and scientific sectors to develop technology to interlink vehicles, charging infrastructure and power grids in a way that facilitates the widest possible use of renewable energy and at the same time increases power supply reliability. In this way, electricity from renewable sources can be tapped and stored as it becomes available.

2019 238

How Will EV Charging Powered by Renewable Energy Create a Greener World


This is the second post of our renewable energy and EV charging series. Sources of clean and renewable energy are increasingly being integrated by utilities around the world. What is Renewable Energy? Renewables Using the Earth’s Water & Heat.

International Transport Forum brief suggests Smart Grid and EV technologies could be mutually beneficial; V2X potential

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A new policy brief published by the Organisation for Economic Co-operation and Development’s (OECD) International Transport Forum (ITF) notes that existing electricity systems will need to be reconfigured to support the widespread adoption of electric mobility and suggests that Smart Grid technologies and EVs and EVs could be mutually beneficial. EVs could both benefit from and help to drive forward investment in Smart Grids. for supplying power to the grid.

2012 210

Bosch on importance of renewable synthetic fuels to reach climate goals; e-fuels

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One path to achieving this is with renewable synthetic fuels (e-fuels). Bosch outlines seven reasons why renewable synthetic fuels should be part of tomorrow’s mobility mix: Time. Renewable synthetic fuels have long since left the basic research phase. First, apply electricity generated from renewable sources to obtain hydrogen from water. emitted by burning renewable synthetic fuels is reused to produce new fuels.

2019 246

California roadmap for grid-connected energy storage technology

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The California Independent System Operator (ISO), the California Public Utilities Commission (CPUC) and the California Energy Commission (CEC) unveiled a comprehensive roadmap to assess the current market environment and regulatory policies for connecting new energy storage technology to the state’s power grid. Reducing costs of integrating and connecting to the grid. Since the discovery of electricity, inventors have looked for ways to store energy for use on demand.

2015 196

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

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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. Using a new metric—“Energy Stored on Invested, ESOI”—they concluded that batteries were the worst performers, while compressed air energy storage (CAES) performed the best, followed by pumped hydro storage (PHS).

2013 251

Mitsubishi companies launch smart grid demonstration system using EVs and used battery packs

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Mitsubishi Corporation (MC), Mitsubishi Motors Corporation (MMC) and Mitsubishi Electric Corporation (Mitsubishi Electric) have completed the development and begun the operation of M-tech Labo, a smart grid demonstration system consisting of a 20 kW photovoltaic system, 5 electrically-dischargeable electric vehicles (EVs) and 80 kWh of used rechargeable batteries collected from EVs. Electric (Battery) Smart charging Smart GridSystem framework for M-tech Labo. Click to enlarge.

2012 204

eMotorWerks and LO3 Energy partner on local energy trading platform between EVs and renewable microgrid projects

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eMotorWerks, a subsidiary of the Enel Group’s new advanced energy services business line Enel X , and LO3 Energy , a company that facilitates local energy marketplaces through blockchain-based services, have launched a partnership to use JuiceNet ’s smart-grid control technology for a series of microgrid + EVs projects with the joint goal of exploring high-value use cases for local energy markets.

2018 226

Nissan and Endesa collaborating to deliver vehicle-to-grid systems to market

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The two companies have agreed to collaborate on the following activities: Introduction of V2G services in the European market; Exploring the use of second-life EV batteries for stationary applications (including households, buildings, grid); and. This Vehicle to Grid (V2G) system consists of the Endesa two-way charger and an energy management system that can also integrate such off-grid, and renewable, power generation as solar panels and wind turbines.

2015 210

EnerDel, ITOCHU Announce Second Smart Grid Battery Storage Project

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US-based lithium-ion battery producer EnerDel is partnering with the real estate arm of Japan’s industrial trading giant, ITOCHU Corporation, to develop and produce the advanced battery systems for a residential smart grid energy storage project to be installed in a major apartment building near Tokyo. The system will provide a critical link between renewable energy, high-speed charging for electric cars and the local utility grid. Tags: Batteries Japan Smart Grid

Grid 191

Home energy storage batteries lose to grid-connected solar on environmental impact

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At first glance, renewable-energy sources like solar power and energy-storage battery packs seem like a logical match. Energy storage allows excess power collected by solar panels to be stored for later use, addressing the intermittent nature of solar power. Study electric utilities renewable energy energy energy storageIt's a concept that has already won over policymakers, electric utilities, and some.

Next 10 reports explore rapid changes to California grid driven by EVs, distributed energy resources and community choice aggregation

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California’s grid is facing an era of rapid change. Three reports from Next 10 , an independent, non-profit, non-partisan think tank, explore how the grid might be challenged or helped by the rise of electric vehicles; by the increase in distributed energy resources, such as rooftop solar panels; and by the growth of community choice aggregation, which allows cities and counties to join together to purchase electricity on behalf of their community members.

2018 174

Hitachi, Mitsubishi Motors and ENGIE testing plug-in vehicles as renewable energy storage for office buildings

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Hitachi’s V2X Charger is the first recharger that not only recharges an electric car but can also discharge the energy back into the building/grid providing different flexibilities including kW, ?kW, The V2X Charger is connected to the building’s energy supply and, when the building generates more solar power than it needs, this excess energy is stored in the battery of the electric car. This energy can then be discharged back into the grid when appropriate.

2018 207

NREL: battery second use offsets EV expense, improves grid stability; recommendations

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Researchers at the US Department of Energy (DOE) National Renewable Energy Laboratory (NREL) are identifying battery second use (B2U) strategies capable of offsetting vehicle expenses while improving utility grid stability. The most promising application identified for second use batteries is to replace grid-connected combustion turbine peaker plants and provide peak-shaving services. PEV battery life cycle with second use. Source: NREL. Click to enlarge.

2015 280

DOE Awarding $620M for Smart Grid Demonstration and Energy Storage Projects

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The US Department of Energy is awarding $620 million for projects around the country to demonstrate advanced Smart Grid technologies and integrated systems. These 32 demonstration projects, which include large-scale energy storage, smart meters, distribution and transmission system monitoring devices, plug-in vehicles, and a range of other smart technologies, will act as models for deploying integrated Smart Grid systems on a broader scale. Tags: Batteries Smart Grid

2009 229

DOE issues draft loan solicitation for up to $4B for renewable energy and energy efficiency projects; drop-in biofuels a key area

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The US Department of Energy (DOE) issued a draft loan guarantee solicitation for renewable energy and energy efficiency projects located in the US that avoid, reduce, or sequester greenhouse gases. The Renewable Energy and Efficient Energy Projects Loan Guarantee solicitation is intended to support technologies that will have a catalytic effect on commercial deployment of future projects, are replicable, and are market ready. Advanced Grid Integration and Storage.

2014 234

PG&E, Calif. Energy Commission launch 4MW sodium-sulfur grid storage pilot in San Jose

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Pacific Gas and Electric Company (PG&E) and the California Energy Commission today unveiled a utility-scale sodium-sulfur battery energy storage system ( earlier post ) pilot project to better balance power needs of the electric grid. The system has a 4 megawatt capacity, and can store more than six hours of energy. The Yerba Buena Battery Energy Storage System Pilot Project charges batteries when demand is low and then sends reserved power to the grid when demand grows.

Harvard team demonstrates new metal-free organic–inorganic aqueous flow battery; potential breakthrough for low-cost grid-scale storage

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Quinones are naturally abundant, inexpensive, small organic molecules, and similar to molecules that store energy in plants and animals. The technology could fundamentally transform the way electricity is stored on the grid, making power from renewable energy sources such as wind and sun far more economical and reliable. Flow batteries store energy in chemical fluids contained in external tanks, as with fuel cells, instead of within the battery container itself.

2014 299

UNSW, H2Store to develop hydrogen storage for renewables; residential and commercial P2G

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Researchers at UNSW Sydney (Australia), with partner H2Store , an Australian start-up, have received a $3.5-million investment from Providence Asset Group to develop a hydrogen hydride storage system that could mean cheaper, safer storage for renewable energy for a range of applications, including residential. materials such as magnesium hydride (MgH 2 ) and lithium borohydride (LiBH 4 ) capable of storing hydrogen.

2019 184

EnerDel Partners with Mazda, Itochu, and Others for Smart Grid Integration Project in Japan

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US-based lithium-ion battery producer EnerDel will supply the advanced battery systems at the heart of a new project, based in Tsukuba City, Japan, combining electric vehicles (EVs), stationary grid storage, solar power and a rapid charging infrastructure a in a real-world operating environment. It also allows users to recharge without drawing power from the grid, a significant advantage at peak load times. Tags: Batteries Electric (Battery) Plug-ins Smart Grid

2009 191

Power-to-gas trial to inject hydrogen into Australia’s gas grid; A$5M award to AquaHydrex

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The Australian Renewable Energy Agency (ARENA) announced a trial for a new type of electrolyzer which could see excess renewable energy stored in the gas grid and used to decarbonize Australia’s gas supply. Power-to-gas involves converting electricity into hydrogen by splitting water, then injecting this into the gas grid, providing long-term energy storage and stabilization of variable output solar and wind power.

2017 150

Mitsubishi companies and NEDO to collaborate on smart grid and V2X research project

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Mitsubishi Corporation (MC), Mitsubishi Motors Corporation (MMC) and Mitsubishi Electric Corporation (MELCO) have agreed to collaborate on a smart grid research project incorporating electric-vehicle-to-X (e.g., Acting as advisor to this project is the Tokyo Institute of Technology, which is aiming to develop Smart Grid systems that employ electric vehicles and the lithium-ion batteries used to power them. Electric (Battery) Japan Smart charging Smart Grid V2G

2010 185

US DOE Awards More than $47M in Recovery Act Funding to Advance Smart Grid Development; New Smart Grid Report and Smart Grid Clearinghouse

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The US Department of Energy delivered more than $47 million in funding under the American Recovery and Reinvestment Act for eight projects to further smart grid demonstration projects in seven states. The $47 million in new Recovery Act awards will support existing projects that are advancing demonstration-scale smart grid technologies. Smart grid supports EV and PHEV deployment through real-time pricing structures and bi-directional metering.

Grid 150

Audi & Hager Group investigating bidirectional charging at home

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As this proportion grows, however, the basic dilemma associated with these renewable energy sources remains: first, electricity cannot always be supplied when it is required and second, on sunny days and in high-wind conditions, there is often a lack of capacity for storing the energy generated.

2020 222

Hokkaido Elec to invest in 60 MWh redox flow battery for grid storage

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to bolster its grid capacity amid rapid growth in power generation using renewable energy. When applying storage batteries for the purpose of providing a stable supply of renewable energy, they are required to be (1) available for storing bulk energy (high output, large capacity), (2) available for state of charge (SOC) management, (3) highly responsive, and (4) available for short-term, high-output operations. The Nikkei reports that Hokkaido Electric Power Co.

2013 240

Sandy solution for renewable energy storage; Thermal Energy Storage System

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Sand is emerging as a key ingredient in the race to develop a viable electricity storage system for renewable energies. The TESS device stores electricity as thermal energy by heating and melting containers full of silicon. Renewable energy sources generally spill energy due to supply and demand mismatches, so we’ve designed the TESS device to capture this ‘spilt’ energy for later use or release to the grid. by Andrew Spence.

ITM Power to supply electrolyzer for power-to-hydrogen gas grid project in Germany

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PEM electrolyzers are able to respond rapidly to fluctuating renewable inputs and so are able to store renewable energy as hydrogen for injection into the gas grid. The ITM Power technology is unique since it can respond in one second and is self-pressurizing up to 80 bar, permitting direct injection into the German gas grid. In the decade between 2020 and 2030 we will need to store excess renewable energy in significant volumes.

2013 200

Coritech Services orders Ideal Power’s bi-directional battery converters for DoD vehicle-to-grid program

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Coritech intends to install the battery converters in its bi-directional electric vehicle charging system for use in Vehicle-to-Grid (V2G) applications for the Department of Defense (DoD). All the energy runs through, and is temporarily stored in, a high-frequency AC link consisting of an inductor and capacitor. Ideal Power Inc.,

2014 196

Calor introduces Neste BioLPG to the UK market; targeting fully renewable by 2040

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Propane-rich off-gas is produced during Neste’s NExBTL renewable diesel process; the gas is usually recovered during the Stabilization and Recycle stages of the process. BioLPG is Calor’s first renewable product offering that sees the company commit to reducing its carbon footprint and to become fully renewable by 2040. BioLPG is identical to conventional LPG, so it can be blended, stored and used as a drop-in replacement for all existing applications with no modification.

2018 163

ARPA-E awards $43M to 19 energy storage projects to advance electric vehicle and grid technologies

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These projects are supported through two new ARPA-E programs—Advanced Management and Protection of Energy Storage Devices (AMPED) and Small Business Innovation Research (SBIR)—and will focus on innovations in battery management and storage to advance electric vehicle technologies, help improve the efficiency and reliability of the electrical grid and provide important energy security benefits to US armed forces. Vanadium flow batteries for grid-scale energy storage.

2012 249

EPRI-NRDC report finds widespread vehicle electrification and a cleaner grid could lead to substantial cuts in GHG by 2050

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Use of electric vehicles would achieve greater reductions in GHG emissions, corresponding to the rate that the electric grid becomes cleaner, through greater reliance on renewables and low- and non-emitting generation. Both project grid emissions decreasing over time, in part because of existing and potential regulations and plausible economic conditions.

2015 210

Mitsubishi Heavy to supply 500 kWh (normal) containerized Li-ion energy storage system to power grid of Orkney Islands

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MHI), jointly with SSE plc (formerly Scottish and Southern Energy plc), will begin an energy storage system demonstration project using the power grid in the UK’s Orkney Islands, which has a high proportion of renewable energy generation in relation to demand. Mitsubishi Heavy Industries, Ltd.

2012 229

Partners begin work on Energiepark Mainz; hydrogen from renewable sources; power-to-gas

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Starting next year, the jointly developed pilot plant will produce major quantities of hydrogen using electricity from renewable sources, mostly from nearby wind power stations. This hydrogen can be stored, loaded into tank trailers or fed directly into the natural gas grid, for use in generating heat or electricity. This makes it possible to store electricity from renewable energy sources.

2014 215