Flow in Flux: Long Duration Batteries in Fight to Commercialise

on March 30, 2018

Energy-Storage-NewsFlow batteries haven’t been around as long as lithium or lead acid batteries, but everyone, it seems, has heard of them, ever since the technology came down to earth from a NASA programme a few decades back and into ‘civilian’ and corporate hands. It’s been predicted for some time that the redox flow energy storage space will, after some turmoil and rapid consolidation, find success in providing energy storage at durations of more than four hours. This past couple of weeks have been a tale of both turmoil and success.

A cautionary tale

All the way back in 2014 as this site was just starting out, we wrote about American Vanadium, a company which at the time was essentially prospecting for ‘billions’, finding raw materials in the Nevada Desert, long before Tesla’s lithium Gigafactory was ironically chosen to be put there.

American Vanadium, which was actually incorporated in Canada, also had a sales agreement to distribute German manufacturer Gildemeister’s CellCube energy storage units, thought to be one of the first commercially available flow batteries. AV’s boss Bill Radvak was the first to blog for this site, also in 2014, on the potential of energy storage to transform New York’s energy future as CellCube demonstration units got installed for the Metropolitan Transport Authority. The CEO also managed to get onto various tv spots to tout the advantages of flow batteries.

As we speak, American Vanadium is no longer called American Vanadium. It’s called Monitor Ventures, and its website says it is “seeking a new business venture that has significant growth potential”. So it turned out the dream of building a vertically integrated company to revolutionise energy storage – and don’t forget that never mind the Gigafactory, this was before Powerwall was even launched – built on a technology that even now in 2018 is still finding its feet in the market, didn’t work out for Radvak and co.

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Fractal Energy Storage ConsultantsFlow in Flux: Long Duration Batteries in Fight to Commercialise

Battery Energy Storage System Market Worth 8.54 Billion USD by 2023

on March 30, 2018

According to the new market research report Battery Energy Storage System Market by Element (Battery, Hardware), Battery Type (Lithium-Ion, Advanced Lead Acid, Flow Batteries, Sodium Sulfur), Connection Type (On-Grid And Off-Grid), Ownership, Application, and Geography – Global Forecast to 2023, published by MarketsandMarkets™, the market is expected to grow from USD 1.98  Billion in 2018 to reach USD 8.54 Billion by 2023, at a CAGR of 33.9% between 2018 and 2023. Factors that are driving the growth of the market include the increasing demand for grid-connected solutions, high demand for the lithium-ion technology in the renewable energy industry, and declining prices of lithium-ion batteries.

Lithium-ion batteries to hold largest size of the battery energy storage system market throughout the forecast period

The lithium-ion batteries have a long lifespan of 5-15 years, and up to 98% efficiency (i.e., only 2% of electrical charge is lost during use). The lithium-ion batteries have very high energy and power densities, which leads to lower weight with low standby losses, and high life expectancy. Lithium-ion batteries continue to hold a large size of the battery energy storage system market owing to its features such as high energy density, self-discharge capability, low maintenance requirement, less weight, and high life expectancy.

Utility-owned battery energy storage system held a major share of the market in 2017

The utility-owned ownership type held the major share of the battery energy storage system market in 2017. The ability of the utility-owned battery energy storage systems to manage large energy requirements during peak hours is supporting the adoption of these systems. According to the Energy Storage Association, US, the utility-based battery storage installed capacity grew by 221 MW in 2016. This shows the high dependence of the customers on the utility-owned battery storage systems for their energy requirements.

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Fractal Energy Storage ConsultantsBattery Energy Storage System Market Worth 8.54 Billion USD by 2023

Video interview: Energy Storage Highlights Winner Younicos Talks Storage-as-a-Service

on March 30, 2018

Aggreko-owned storage system experts Younicos claimed first place in the pv magazine Energy Storage Highlights award. Alexander Schönfeldt, the company’s VP sales EMEA, describes this award-winning concept and reveals more details about Younicos’ new rental storage system.

For the Energy Storage Europe Exhibition and Conference held in Düsseldorf, Germany in mid-March, pv magazineteamed up with Messe Düsseldorf to produce a 32-page storage special issue that led with a prestigious Energy Storage Highlights Award.

Among the many entrants, the winning storage innovation – as identified via the scoring aggregation from our independent jury – was a combined gas and battery grid services power plant by Berlin-based storage experts Younicos.

The idea of the plant is, as Schönfeldt says, to give aged gas plants a second life via the support of battery storage. “It enables plant owners to respond to requirements in the market with the battery, and for the gas engine to respond in the capacity market with secondary reserve.”

At the Energy Storage Europe Exhibition, Younicos was also showcasing its new rental storage-as-a-service model, which Schönfeldt described as an innovative way to “unlock the storage market in a way that customer’s do not have to worry about investment hurdles or technology risk.”

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Fractal Energy Storage ConsultantsVideo interview: Energy Storage Highlights Winner Younicos Talks Storage-as-a-Service

Tesla to Supply Another ‘Virtual Power Plant’ with Powerwalls at up to 1,200 Homes

on March 29, 2018

ElectrekAfter Tesla’s massive plan to create a 50,000-home virtual power plant with Powerwalls being in jeopardy in Australia, another similar project is now been announced for a new ‘virtual power plant’.

New Premier of South Australia, Steven Marshall, a member of the Liberal party who just replaced the Labor party, threw some cold water on the project, which is so far still going forward with the first 1,100 installations, but it could face some red tapes for the other 49,000 installations.

But now the Australian Renewable Energy Agency (ARENA) has today announced $7.7 million in funding for Simply Energy to build a second virtual power plant across Adelaide.

Like for Tesla’s own virtual power plant, Simply Energy confirmed that it plans to use Tesla’s Powerwall 2.

They described the project in a press release today:

“The $23 million project will deliver Tesla Powerwall 2 home batteries to up to 1200 Adelaide households representing 6 MW of residential energy storage. A further 2 MW of demand response capacity will be deployed across 10 commercial businesses.”

The goal is to have it up and running by the end of 2019.

It’s on a much smaller scale than the previous project, but ARENA is treating like a pilot project.

ARENA CEO Ivor Frischknecht said about this project:

“We think consumer energy resources have a huge role to play in Australia’s energy future, but we are still figuring out how we can orchestrate rooftop solar and home batteries to feed back into the grid. This is technically hard to do, which is why these pilot projects are so important,” he said. “This is a potential model for how distributed energy resources can be operated at large scale in the future to help reduce energy prices,”

The project has the goal to lower the energy bill of families with the batteries while also stabilizing the grid by reducing peak power demand with the large energy storage capacity.

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Fractal Energy Storage ConsultantsTesla to Supply Another ‘Virtual Power Plant’ with Powerwalls at up to 1,200 Homes

800 Megawatt Bay State Wind US Offshore Project Partners To Combine Energy Storage

on March 29, 2018

CleantechnicaEarlier this month, the 800 megawatt Bay State Wind offshore project being developed jointly by Ørsted and Eversource off the coast of Massachusetts announced a deal which will see it work with local NEC Energy Solutions to develop an energy storage solution for the offshore wind farm.

Ørsted, one of the world’s leading offshore wind companies, and Eversource, New England’s premier transmission builder, announced on March 16 that their Bay State Wind partnership had signed a Letter of Intent to work collaboratively with Massachusetts-based NEC Energy Solutions so as to develop an energy storage solution for the 800 megawatt (MW) Bay State Wind. Specifically, they are looking to combine the offshore wind farm with a 55 MW/110 MW-hour (MWh) energy storage option, which upon completion would result in the world’s largest wind-paired energy storage system for commercial-scale energy.

Bay State Wind was first announced back in December of 2016 by then-DONG Energy (now Ørsted) and Eversource. At the time it was proposed, it was a 2 gigawatt (GW) offshore wind farm, which remains the end-goal but appears will be developed in stages, starting with 800 MW. Located 15 to 25 miles south of Martha’s Vineyard in Massachusetts, the final 2 GW is expected to be able to generate clean electricity enough for a million homes.

The new agreement signed earlier this month serves to not only make the Bay State Wind project a potential world-first but also acts to support and promote Massachusetts’ energy storage market.

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Fractal Energy Storage Consultants800 Megawatt Bay State Wind US Offshore Project Partners To Combine Energy Storage

NEC ES: Future Lies in Creating Amazon-style ‘Enterprise Platforms’

on March 29, 2018

Energy-Storage-NewsThe energy industry is evolving towards more ‘enterprise platform’-based business models, enabling energy storage to play a vital role for businesses and the grid, NEC Energy Solutions (NEC ES) CEO Steve Fludder has said.

NEC ES, the NEC Corporation’s energy storage system integration and technology business, relies increasingly on machine learning and artificial intelligence (AI), Fludder said in an interview and presentation at last month’s Energy Storage Summit in London. Fludder took over as CEO in November, replacing temporary boss Hiro Ezawa, who in turn replaced longstanding leader Budd Collins.

These IT capabilities not only give NEC ES and its partners better visibility into system operation, Fludder said, but they also enable the company and others like it to capture value across the whole marketplace, making an analogy with the way that online retail giant Amazon uses predictive analytics to stock its strategically-located warehouses with the goods returning customers are most likely to purchase.

“This concept is actually happening around us all the time. You have cars that can tell you when they need to go in to be serviced, for example. I’m quite interested in the Amazon analogy, because that’s something that touches everyone every day. How do they do that? If they did that by building up massive amounts of inventory of everything that’s on sale on their site, they would never make money,” Fludder told Energy-Storage.News.

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Fractal Energy Storage ConsultantsNEC ES: Future Lies in Creating Amazon-style ‘Enterprise Platforms’

Cypress Creek Launches Solar+Storage in North Carolina

on March 29, 2018

Cypress Creek Renewables has commissioned 12 solar power systems coupled with 12 megawatt-hours (MWh) of batteries, as a project that will serve the 100,000 customers of the Brunswick Electric Membership Corporation in south-east North Carolina.

The energy storage hardware is being provided by Lockheed Martin in the form of their 100 kW/200 kWh to 500 kW/950 kWh GridStar Lithium Ion energy storage system (PDF).

The press image provided at the top of this article suggests two Lockheed GridStar units in the particular installation, and if the installations are similarly designed, that would mean 1 MWh total energy storage per installation. That suggests the units deployed might be the 250 kW/500 kWh GridStar variants (if they do in fact have that exact sizing).

A tweet showed a second project with two GridStar units:

A source told pv magazine that the sizing of these projects will increase their annual output by 5%. This excess electricity generation aligns with project comments that the electricity from the batteries and solar will be used to reduce peak electricity costs and create dispatchable solar resources.

Another major solar power developer is also pushing energy storage heavily into their solar power projects: NextEra and its subsidiary Florida Power and Light.

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Fractal Energy Storage ConsultantsCypress Creek Launches Solar+Storage in North Carolina

Tesla’s Solar Roof Tiles Showcased in New Residential Installation Pictures

on March 29, 2018

TeslaratiPictures of Tesla’s Solar Roof tiles installed on a residential unit were recently shared online, showcasing the near-indistinguishable look of the photovoltaic roof system from traditional roofing material.

The photos of the solar roof shingles were shared by @Toblerhaus on Twitter, who stated that the tiles were “every bit as beautiful” as she had hoped. The Tesla fan further remarked that her home’s photovoltaic installation, which is rated at 9.9 kW, has made her family feel like they’re “living in the future.” Based on the images of the installation, @Toblerhaus appears to have opted for the tiles’ “textured” variant.

The first installations of Tesla’s Solar Roofs began last year, with CEO Elon Musk stating during the Q2 2017 earnings call that the tiles have already been installed on his and CTO JB Straubel’s houses. As we noted in a previous report, having the company’s employees as Tesla’s first Solar Roof customers is a clever strategy for the company, since doing so would allow the maintenance of a tight feedback loop with end users.

The Solar Roof tiles were among the key points of Tesla’s Q2 2017 update letter. In the investor communication, Tesla noted that the Solar Roof tiles, together with battery storage devices such as the Powerwall 2, are a step towards the company’s goal of helping customers achieve “sustainable energy independence.”

Tesla designed the Solar Roof tiles to be an option for customers who would like to have solar panels on their homes without committing to the questionable aesthetics of conventional photovoltaic systems. In Tesla’s Q2 2017 update letter, the Elon Musk-led company stated that the Solar Roofs would even prove to be affordable for customers in the long run, considering that the system will result in energy savings.

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Fractal Energy Storage ConsultantsTesla’s Solar Roof Tiles Showcased in New Residential Installation Pictures

Proposed Texas Rule Highlights Storage’s Challenges in Bridging Competitive, Regulated Energy Markets

on March 28, 2018

Utility-DiveEnergy storage’s unique ability to act as both generation and load makes it a round peg in the square peg board of utility regulation.

That mismatch is destined to come into sharper relief as a rulemaking on energy storage in Texas moves forward, highlighting some of the contentious issues the technology raises in competitive power markets.

At the wholesale level, there is no problem installing an energy storage project in Texas. The state is already home to a number of storage projects, including the 2 MW Elbow Creek project deployed by NRG Energy and Toshiba in Howard County and the nearly 20 MW Texas Waves project near Roscoe that E.On brought online earlier this year.

“The separation of competitive and regulated entities has been very strict and thorough in Texas. It is a framework that everyone jealously guards.”

Michael Jewell
Attorney, Jewell & Associates

But deploying storage on the distribution grid can be challenging, as AEP Texas and Oncor Electric have discovered, and that can limit energy storage’s potential revenue streams. “There can be some wholesale market rules that make it harder to capture the full value,” Johannes Pfeifenberger, a principal at The Brattle Group, told Utility Dive.

The issue goes to the heart of the structure of Texas’ power market and what has enabled it to work so well, Michael Jewell, an attorney with Jewell & Associates, told Utility Dive. “The separation of competitive and regulated entities has been very strict and thorough in Texas. It is a framework that everyone jealously guards.”

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Fractal Energy Storage ConsultantsProposed Texas Rule Highlights Storage’s Challenges in Bridging Competitive, Regulated Energy Markets

French Nuclear Giant Gambles Big On Energy Storage

on March 28, 2018

Electricite de France said today that it plans to invest a whopping $9.93 billion in electricity storage by 2035.

“Electricity-storage technologies have a potential to radically change the energy sector,” said Chief Executive Jean-Bernard Levy.

The French utility company said on Tuesday that the planned investment would be used to develop an estimated 10 gigawatts of additional energy storage projects, or roughly twice the total amount of capacity it currently operates.

The utility said it would target energy storage projects in the European market, especially in France, but that it would also pursue opportunities in Africa, including battery storage and storage plus solar projects in Ghana and the Ivory Coast.

Over the next two years, EDF said it would use roughly one third of its investment in energy storage to acquiring projects and start-up companies focused on energy storage projects and grid applications. A portion of the investment – about $87 million – will also be used to support research and development activities in the energy storage space.

EDF owns a large fleet of nuclear reactors in France, which derives about 75% of its electricity from nuclear energy. France has 58 nuclear reactors operated by EDF, with a total capacity of 63.1 gigawatts.

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Fractal Energy Storage ConsultantsFrench Nuclear Giant Gambles Big On Energy Storage