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 236

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. The innovative approach adopted by the partners balancing power demand from the grid automatically ensures the required cycling of the batteries. Batteries Electric (Battery) Smart Grid

2016 163
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Nuvve and Lion Electric to collaborate on vehicle-to-grid (V2G) in electric school buses

Green Car Congress

Nuvve Corporation, a vehicle-to-grid (V2G) technology company, and Lion Electric, an original equipment manufacturer of all-electric heavy-duty vehicles based in Québec, are collaborating to launch vehicle-to-grid (V2G) technology as a standard feature of Lion’s zero-emission school buses.

2020 318

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 279

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 163

Volvo Buses in project researching use of second-life electric bus batteries to store solar energy

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In Viva housing cooperative, Riksbyggen, Volvo, Göteborg Energi and Johanneberg Science Park have created a unique system in which energy from solar panels on the roofs of the apartment buildings is stored in batteries that previously powered electric buses on route 55. The energy warehouse is used to cut the property’s power consumption peaks, and to store or sell surplus solar energy.

2018 232

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. This makes the gas grid a storage system for power from weather-dependent renewables. At present, up to 5% hydrogen can be added to the natural gas grid without any problems, and in the medium term experts expect up to 15%, E.ON is therefore investing in technology to store this excess power.

2011 210

Nissan and ENEL announce V2G system, launch smart grid trials in Europe

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At the 21 st UN Conference on Climate Change (COP21) in Paris this week, Nissan announced the development of a Vehicle-to-Grid (V2G) system which will allow drivers to operate as individual energy hubs with the ability to store, use or return electricity to the grid. Nissan will commence Smart Grid trials in partnership with multinational energy manufacturer and distributor, ENEL. Electric (Battery) Smart charging Smart Grid V2X

2015 230

Renault creates new grid-energy subsidiary: Renault Energy Services

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The aim of this new subsidiary is to have an active presence in the energy and smart grid sectors, both of which are fundamental to the expansion of electric mobility. Renault Energy Services will function much like a start-up and its objective is to invest in smart grid-related projects by forging privileged ties with the energy industry’s various stakeholders. Renault electric vehicles connected to smart grids will benefit from more economical, lower-carbon electricity.

2017 177

Nissan begins testing combination of LEAF EVs and “LEAF to Home” for grid demand response services

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Nissan Motor Corporation has begun testing in Japan of a system to use electric vehicle technology to help power grids cope with peaks in demand. Demand response is a strategy to make power grids more efficient by modifying consumers’ power consumption in consideration of available energy supply. For example, the testing involves a LEAF and LEAF to Home system which is connected to power a Nissan dealer’s lighting system during regular business hours using stored battery energy.

2014 224

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 214

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 241

SwRI develops first ERCOT-qualified vehicle-to-grid aggregation system

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SwRI’s V2G aggregation system allows electric delivery truck fleet owners to make money by using normal vehicle charge times to assist in managing grid frequency. Southwest Research Institute (SwRI) has deployed the first vehicle-to-grid (V2G) aggregation system qualified by the Electric Reliability Council of Texas (ERCOT) to manage charging activities for a fleet of electric delivery trucks. Electricity is difficult to store yet has to be available on demand.

2014 237

EVgo launches grid-tied public fast charging system with second-life batteries

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EVgo has integrated second-life BMW i3 batteries to store energy from the grid generated during peak solar hours and later use that stored energy to fast-charge EVgo customers during periods of high demand. In addition to reducing curtailment of solar or wind power, a benefit to all grid users, EVgo is also commercially demonstrating the reuse of EV batteries for grid benefit.

2018 210

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 212

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 253

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 200

Delaware Vehicle-To-Grid Test Lets Electric Cars Sell Power

Green Car Reports

The ability to have large numbers of electric cars store energy and feed it back into electric grids is still many years away, but researchers are studying how it could work in the real world. Vehicle-to-grid technology is seen by some as a way to smooth out demand for grid electricity by using electric cars as mobile energy reserves, while

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 207

Electrovaya to deliver portable 500 kW battery grid storage system to Con Edison

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Cuomo’s Reforming the Energy Vision (REV) strategy, will design, build and deliver a 500 kW lithium-ion battery system to add energy resilience and efficiency to electric grid. The system will be designed to meet Con Edison’s requirements and ultimately be utilized for grid support and as an alternative to the standard mobile diesel systems. Electrovaya, under New York Governor Andrew M.

2015 214

Vattenfall, BMW and Bosch test second-life EV battery electricity storage in Hamburg for grid stabilization

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Vattenfall, BMW and Bosch are testing the use of second-life EV batteries in a 2 MW, 2,800 kWh energy storage system in Hamburg, Germany, to keep the electricity grid stable. However, the stored energy is not intended for general supply, but instead is sold on the primary control reserve market by Vattenfall, along with power from other flexibly controllable facilities. The storage facility delivers primary control reserve power necessary to keep the 50 Hz grid frequency stable.

2016 224

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 214

Nissan office in France to house largest grid-integrated EV system yet

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Nissan’s new regional office in France will house the largest grid-integrated electric vehicle (EV) system and second-life battery storage unit yet installed in a building, anywhere. The new building will feature 100 vehicle-to-grid chargers, from Nissan’s partner ENEL, allowing Nissan’s range of EVs to plug in and draw down energy from the grid at off-peak periods with the ability to “sell back” the stored energy to the grid.

2016 195

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 195

NIST Issues First Release of Framework for Smart Grid Interoperability

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The US Commerce Department’s National Institute of Standards and Technology (NIST) issued an initial list of standards, a preliminary cyber security strategy, and other elements of a framework to support transforming the nation’s aging electric power system into an interoperable Smart Grid. A companion draft document, NISTIR 7628, Smart Grid Cyber Security Strategy and Requirements, also underwent public review. NIST intends to finalize the Smart Grid cyber security in late spring.

Grid 183

Duke Energy upgrading Notrees 36 MW grid storage system with Samsung SDI Li-ion batteries

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Duke Energy, the nation’s largest electric utility, currently owns nearly 15% of the grid-connected, battery-based energy storage capacity in the US, according to independent research firm IHS Energy. Duke Energy works closely with ERCOT (Energy Reliability Council of Texas), which signals to the battery storage system to either dispatch stored energy to increase frequency or absorb energy to decrease frequency, helping to smooth and balance peaks and valleys on the ERCOT grid.

2015 188

Tesla's First Solar-Powered Supercharger-Store-Service Center Is Almost Ready

Green Car Reports

But despite its goal of providing solar-generated electricity at those sites, Superchargers thus far have drawn on electricity from the conventional power grid. Electric-car maker Tesla Motors has rapidly been opening Supercharger DC fast-charging stations throughout the U.S. and outside the country. That''s about to change. DON''T MISS: Tesla To

2015 132

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

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With Highview Power’s liquid air energy storage solution, excess or off-peak electricity is used to clean and compress air which is then stored in liquid form in insulated tanks at temperatures approaching -320 ?F Batteries Power Generation Smart GridHighview Power Storage, Inc.,

2019 307

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 281

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 230

GM and ABB demonstrate prototype of Volt battery pack grid re-use application

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In conjunction with the Plug-in 2011 event in Raleigh, NC, GM and ABB demonstrated a lab prototype of a distributed energy storage (DES) system that combines Volt battery technology and a proven grid-tied electric power inverter. Our target during this project has always been a field demonstration, putting it out in the field with used batteries and appropriate electronics to support the grid. Batteries Power Electronics Power Generation Smart Grid

Grid 190

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

North American Grid Operators Study Concludes 1M Plug-in Electric Vehicles May Be On the Road by 2020; Staggered Charging Can Reduce Potential Negative Impact on Grid

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A group of US and Canadian power grid operators, who manage most of the North American bulk electric grid collectively, studied the effect that plug-in electric vehicles (PEVs) would have on the electric power grid. Plug-in electric vehicles represent a significant new set of power users that grid operators must prepare to serve. The PEVs plugging into the grid in US ISO/RTO regions could add electric load of 3,785 megawatts (MW) if every PEV charged simultaneously.

Grid 190

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 190

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 195

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

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

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.

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 227

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 200

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

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 241

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 204