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

Green Car Congress

Volvo Buses is participating in a research project in which used electric bus batteries are used as solar energy storage units. Batteries from electric bus route 55 in Gothenburg, Sweden are being used for solar energy storage in a second-life application. This energy warehouse allows a larger proportion of Viva’s solar-generated electricity to be used for the housing association’s power needs.

2018 228

Tesla’s Solar Roof and Solar Panels to be sold exclusively with Powerwall batteries


In recent comments on Twitter, Elon Musk announced that Tesla’s Solar Roof and traditional solar panels would now be sold only as an integrated product with the Powerwall, the company’s popular residential battery system. Solar power will feed exclusively to Powerwall.

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

Green Car Congress

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

To Store or Not to Store: That is the Question

Green Car Congress

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. Solar field annual output.

Store 235

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

Green Car Congress

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

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

Green Car Congress

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. Solar carport.

2014 240

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

Green Car Congress

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

Stanford team sets record for solar-to-hydrogen efficiency of solar water splitting: >30%

Green Car Congress

Researchers at Stanford University have demonstrated solar water splitting by photovoltaic-electrolysis with a solar-to-hydrogen (STH) efficiency of more than 30%—a new record. The system consists of two polymer electrolyte membrane electrolyzers in series with one InGaP/GaAs/GaInNAsSb triple-junction solar cell, which produces a large-enough voltage to drive both electrolyzers with no additional energy input. Hydrogen Production Solar Solar fuels

2016 241

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

Green Car Congress

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 207

V2G company Nuvve participating in California’s wholesale energy markets to help balance the grid

Green Car Congress

Nuvve Corporation, a San Diego-based vehicle-to-grid (V2G) technology company, is participating in a program to deliver resource adequacy to local utility San Diego Gas & Electric (SDG&E) and California’s electrical grid using a large stationary battery located on the University of California San Diego’s (UC San Diego’s) campus microgrid. Nuvve offers AC and DC charging station options which are preconfigured to work with NUVVE’s Grid Integrated Platform (GIVe).

2020 219

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

Fukushima Hydrogen Energy Research Field (FH2R) completed in Japan; aiming for low-cost green hydrogen production; P2G

Green Car Congress

Renewable energy output is subject to large fluctuations, so FH2R will adjust to supply and demand in the power grid in order to maximize utilization of this energy while establishing low-cost, Green hydrogen production technology. is responsible for EMS and SCADA and grid-related matters.

2020 360

Tesla Megapacks to be deployed at Apple’s California solar farm


In an announcement on Wednesday, tech giant Apple revealed that it is building a big battery storage project at a Northern California solar farm. The project will also store energy gathered from the California Flats, a 130 MW solar farm.

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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

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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

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

Green Car Reports

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. It's a concept that has already won over policymakers, electric utilities, and some. Study electric utilities renewable energy energy energy storage

The Solangelist Learns To Install Solar & Loves It

Creative Greenius

Our group was an interesting and friendly mix of unemployed construction workers looking for new careers; electricians, iron workers and other licensed contractors looking to expand into solar installation; and three or four guys who were there to learn how to do a self install of solar for their home, shop or cabin. By “ utility interactive&# they mean what’s commonly called grid-tied solar.

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Lessons from a year with solar power

EV Info

It was one year ago that we decided to add solar panels to our roof. In March 2020 we installed 9 solar panels an inverter and 2 battery packs. Panels: JA Solar black. The solar panels attach to the roof and convert solar light into electrical energy. Your power comes from the grid as 240 Volts AC. The panels generate DC current that varies with the solar power. On a sunny day the rate of battery usage slows and extend the off grid hours. .

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

Green Car Congress

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

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

Green Car Congress

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

New $30M ARPA-E program to develop new solar conversion and storage technologies; targeting higher solar penetration in mix

Green Car Congress

ARPA-E is making $30 million available to fund a new program entitled “Full-Spectrum Optimized Conversion and Utilization of Sunlight (FOCUS),” which is aimed at advancing new technologies beyond current photovoltaic (PV) and concentrated solar power (CSP) technologies to exploit the full solar spectrum and reduce the cost of solar energy when the sun is not shining. a) Hybrid solar converter (award Categories 1A and 1B). Novel approaches to high T solar conversion.

2013 242

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. Solid-electrode batteries maintain discharge at peak power for far too short a time to fully regulate wind or solar power output. Cell schematic.

2014 299

ARPA-E awarding $30M to 12 hybrid solar projects; conversion and storage

Green Car Congress

The US Department of Energy (DOE) Advanced Research Projects Agency - Energy (ARPA-E) is awarding $30 million in funding to 12 projects through its Full-Spectrum Optimized Conversion and Utilization of Sunlight (FOCUS) program, which is aimed at developing new hybrid solar energy converters and hybrid energy storage systems that can deliver low-cost, high-efficiency solar energy on demand. Schematics of technology areas addressed by FOCUS a) Hybrid solar converter.

2014 248

Opinion: Why Buffett Bet A Billion On Solar: Miles Per Acre Per Year

Green Car Congress

The first eye-opener for large scale solar was the Austin Energy PPA last year that was priced at 5 cents. In the commercial sector, and in the case of community solar, there is more flexibility and tracking arrays may make sense, especially when mounted on the ground. The calculation for rooftop solar is not quite as straightforward as multiplying the number of kilowatts by the number of hours of sun in a year. Electric (Battery) Opinion Solar

2015 293

Fresno County unveils countywide solar-powered EV charging program using Envision Solar’s EV ARC

Green Car Congress

The Fresno County Rural Transit Agency (FCRTA), San Joaquin Valley Air Pollution Control District (SJVAPCD), the California Department of Transportation (Caltrans), the California Energy Commission (CEC) and CALSTART unveiled a program providing the Envision Solar EV ARC solar-powered electric vehicle charging stations in 13 rural incorporated cities throughout Fresno County.

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DOE announces achievement of SunShot goal, new research focus; $82M in two new solar power opportunities

Green Car Congress

In conjunction with the annual Solar Power International conference, the US Department of Energy (DOE) released new research showing that the solar industry has achieved the 2020 utility-scale solar cost target set by the SunShot Initiative. Largely due to rapid cost declines in solar photovoltaic (PV) hardware, the average price of utility-scale solar is now approximately 6 cents per kilowatt-hour (kWh). Solar energy currently supplies about 1.5%

2017 150

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

Green Car Congress

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

California roadmap for grid-connected energy storage technology

Green Car Congress

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

Bloomberg NEF forecasts falling battery prices enabling surge in wind and solar to 50% of global generation by 2050

Green Car Congress

Wind and solar power generation will surge to almost 50% of world generation by 2050 (“50 by 50”), supported by precipitous reductions in cost, and the advent of cheaper and cheaper batteries that will enable electricity to be stored and discharged to meet shifts in demand and supply, according to the new annual Bloomberg NEF New Energy Outlook (NEO) 2018. trillion of that going to wind and solar and a further $1.5

2018 194

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

Green Car Congress

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

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

Green Car Congress

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

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

Green Car Congress

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

New York City awards $3.8M multi-year contract to Envision Solar to purchase EV ARC solar-powered EV chargers

Green Car Congress

New York City has issued a three-year contract to purchase Envision Solar International’s EV ARC products. The EV ARC units will be deployed across the five boroughs and will deliver solar powered EV charging to the City’s fleet of electric vehicles. It generates enough clean, solar electricity to power up to 225 miles of EV driving each day. The contract has a posted initial value of $3.8 million and an optional one-year renewal at the end of the three-year term.

EnerDel, ITOCHU Announce Second Smart Grid Battery Storage Project

Green Car Congress

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

Purdue, EPFL team propose Hydricity concept for integrated co-production of H2 and electricity from solar thermal energy

Green Car Congress

Researchers from Purdue University and École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland are proposing a new integrated process involving the co-production of hydrogen and electricity from solar thermal energy—a concept they label “hydricity”. In the co-production mode, the co-produced hydrogen is stored for use in a turbine-based hydrogen water power (H2WP) cycle with calculated hydrogen-to-electricity efficiency of 65-70%—comparable to fuel cell efficiencies.

2015 150

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

Green Car Congress

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

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

Green Car Congress

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

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

Green Car Congress

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

GM OnStar partners with TimberRock for demo of EV solar charging and market-based regulation; OnStar Demand Response service

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that uses aggregation software and solar charging canopies with integrated storage to manage the flow of solar power to benefit the electric grid. It will be the first “real-world” use of OnStar’s Smart Grid solutions. TimberRock will monitor the output of its solar charging stations, how much stored energy is available and when it can sell energy back to the grid to help meet peak demand. Plug-ins Smart charging Smart Grid Vehicle Systems

2013 179

BloombergNEF: solar, wind, batteries to attract $10T to 2050; curbing emissions long-term will require other technologies

Green Car Congress

Deep declines in wind, solar and battery technology costs will result in a grid nearly half-powered by the two fast-growing renewable energy sources by 2050, according to the latest projections from BloombergNEF (BNEF). This year, the report finds that, in approximately two-thirds of the world, wind or solar now represent the least expensive option for adding new power-generating capacity. Wind and solar grow from 7% of generation today to 48% by 2050.

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

Nissan and Eaton broaden xStorage Home energy storage portfolio; 10-year xStorage Buildings deal with Amsterdam ArenA

Green Car Congress

The Nissan/Eaton partnership offers xStorage Home, xStorage Buildings and xStorage Grid-scale products. The xStorage Home system can draw energy from the sun or from the grid; the xStorage Home system can also enable customers to sell energy back to the grid—an opportunity that is expected to be offered by energy companies in the future. Batteries Electric (Battery) Smart Grid Solar

2016 196

Nissan and 4R Energy develop new EV charging system combining solar and Li-ion batteries

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and 4R Energy Corporation, a joint venture established by Nissan and Sumitomo Corporation in September 2010 to explore second-life applications for automotive battery packs ( earlier post ), have developed a charging system for electric vehicles that combines a solar power generation system with high-capacity lithium-ion batteries. 95 kWh storage battery (AESC); Grid management unit with rated power output of 200 kW. Batteries Infrastructure Plug-ins SolarNissan Motor Co.,

2011 210

Fleet of 150 Renault ZOE EVs for smart solar charging project

Green Car Congress

Renault, Europe’s leading electric vehicles manufacturer, and its Dutch economic partners Utrecht City Council, ElaadNL and LomboXnet signed a letter of intent in Paris to develop a Franco-Dutch framework of smart solar charging solutions for electric vehicles. According to the letter of intent, the city of Utrecht could be the testing ground for the solar smart-charge project. Grid operator Stedin would be involved to balance supply and demand of the grid.

2016 150