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Startup Group1 is looking for to commercialise cathode supplies for potassium-ion batteries, a world-first, whereas Northvolt is looking for to construct batteries utilizing a tree-derived carbon materials lignin.

Austin, US-based Group1 mentioned its Potassium Prussian White (KPW) cathode supplies lead to quick-charging, high-efficiency and safer potassium-ion batteries, and that these could be a sustainable and important various to lithium-ion batteries.

Based final 12 months, it’s led by its three co-founders, CEO Alexander Girau, chief science officer Dr. Yakov Kutsovsky and chief product officer Dr. Leigang Xue, who invented Group1’s proprietary KPW expertise as a post-doc researcher within the lab of John B. Goodenough, the inventor of the lithium-ion battery.

“As our transition away from fossil fuels accelerates, the demand for lithium-ion batteries is spiking rapidly, and our lithium provides will quickly be incapable of assembly that demand. Group1 and potassium-ion batteries can present a viable various to bridge this provide hole,” mentioned CEO of Group1 Alexander Girau.

Max Reid, analysis analyst in Wooden Mackenzie’s Battery & Uncooked Supplies Service section, described potassium-ion battery expertise to Energy-Storage.information as ‘promising however nonetheless immature’.

He mentioned the Prussian White cathode can obtain capacities of 120 mAh/g which is simply about 60% of lithium-ion, and likewise has a decrease energy density due to an open construction. The latter does make it appropriate for the energy storage system (ESS) house, he added.

“The Prussian White cathode additionally makes use of rather more ample supplies, potassium, manganese and iron are the primary constituents – extra appropriate than nickel, cobalt and lithium which have seen surge costs over the past 12 months,” he added.

An absence of present scaled potassium-ion cathode producers is one other barrier and Reid expects industrial manufacturing of such a battery nearer to 2030, barring a fast-tracking by a significant producer bullish on the chemistry.

Group1 mentioned that the potassium utilized in its expertise is 1000 occasions extra ample than lithium and 20 occasions extra inexpensive, though the latter declare could rely closely on recent price spikes. It additionally claims its battery has a greater security profile than lithium-ion and sooner, extra environment friendly charging, and might simply be built-in into present graphite anode supplies, electrolytes, cell design, and manufacturing for li-ion.

Girau beforehand based Advano, a startup producing superior silicon anode materials to switch graphite in lithium-ion batteries, whereas Dr Kutsovsky was previously CTO of worldwide specialty supplies producer Cabot Company.

Northvolt and Stora Enso to develop batteries from tree materials

European gigafactory firm Northvolt has partnered with Finland-based pulp and paper producer Stora Enso to develop a battery utilizing lignin anodes.

Lignin is a plant-derived polymer discovered within the cell partitions of dry-land vegetation, which makes up 20-30% of tree composition. Different battery firms like flow battery group CMBlu have produced batteries utilizing the fabric too.

Northvolt and Stora Enso have entered right into a Joint Growth Settlement by which Stora Enso will present its lignin-based anode materials Lignode, originating from sustainably managed forests, whereas Northvolt will drive cell design, manufacturing course of improvement and scale-up of the expertise.

They mentioned the intention is to develop the world’s first industrialised battery that includes anode sourced completely from European uncooked supplies, decreasing each the carbon footprint and the fee.

“With this partnership, we’re exploring a brand new supply of sustainable uncooked materials and increasing the European battery worth chain, whereas additionally creating a cheaper battery chemistry,” mentioned Emma Nehrenheim, chief environmental officer at Northvolt, which recently raised a US$1.1 billion debt facility.

Different non-lithium applied sciences progress

Energy-Storage.information has incessantly reported on the plethora of non-lithium battery applied sciences making progress in direction of large-scale commercialisation.

The CEO of Steel-hydrogen battery firm Enervenue, which not too long ago raised US$125 million in a Sequence A, recently explained in this interview why its technology can displace lithium-ion.

Sodium-ion is one other battery chemistry which a number of firms are inserting large bets on to position a dent within the hegemony of lithium. Subsequent 12 months, two manufacturing services with a mixed manufacturing capability of 1.6GWh (1GWh of which is simply cathodes) will open in the US and Europe.

However extra instantly, a 1,400GWh order in South Africa for US startup Ambri’s liquid metal battery tech and a 1GWh order for Eos’ zinc-based product trace at various chemistries attending to scale.

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Clearway inaugurates Hawaiian island’s first large-scale solar-plus-storage plant



Clearway inaugurates Hawaiian island’s first large-scale solar-plus-storage plant

Clearway Energy Group has introduced on-line the primary ever utility-scale solar-plus-storage venture on the Hawaiian island of O’ahu.

Set up of {solar} PV modules and batteries was accomplished forward of schedule on the US$140 million venture, the developer and impartial energy producer (IPP) stated final week as its introduced commissioning of the Mililani {Solar} I plant.

The ability plant combines 39MW of {solar} PV with 39MW/159MWh of battery energy storage system (BESS) know-how. Clearway signed 20-year energy buy agreements (PPAs) with Hawaiian Electric Firm (HECO) in 2018 for Mililani {Solar} I and Waiawa {Solar}, a separate 36MW PV, 36MW/144MWh BESS venture additionally on O’ahu.

Construction on both plants began in April 2021, Energy-Storage.information reported on the time, with Moss {Solar}, the {solar} division of infrastructure firm Moss employed as building contractor.

Wärtsilä Energy equipped the battery storage. In July, the Finnish energy storage system integrator and producer introduced its involvement in each Clearway’s O’ahu initiatives, in addition to three initiatives for the developer in California.

Collectively the Clearway projects will see Wärtsilä supply 500MW/2,000MWh of BESS. The three California crops are all solar-plus-storage too, with one a retrofit to an present {solar} plant and two new-build {solar} farms positioned adjacently on the web site of two retired fossil gasoline crops within the state’s San Bernadino County. These crops are scheduled to come back on-line subsequent 12 months.

The Hawaii crops’ solely software will likely be {solar} load-shifting, Wärtsilä Energy VP of energy storage and optimisation Andy Tang informed this web site in a latest interview. The four-hour period batteries will retailer energy generated in the course of the day to assist mitigate night and night-time electrical energy use and kick into play to ease the utility’s interval of {solar} ramp down every day.

For Clearway’s initiatives, Wärtsilä put in its personal GridSolve Quantum BESS answer, because it does for all its grid-scale battery initiatives. GridSolv Quantum consists of the GEMS Digital Energy Platform energy administration system (EMS) and is provided with lithium iron phosphate (LFP) battery cells.

O’ahu has been residence to Hawaii’s solely coal energy plant, which is within the means of being taken out of service and being changed with {solar} and batteries. Hawaii can be concentrating on 100% renewable energy by 2045 and is already one of many highest {solar} adopters per capita within the US, significantly for residential rooftop PV.

Since HECO signed the renewable energy PPAs in 2018 which Clearway’s initiatives had been amongst, the utility has undertaken a few procurements by way of Requests for Proposals (RfPs) to contract for about 5GWh of battery storage, alongside {solar} PV.

Energy-Storage.information reported earlier this month as AES Corporation broke ground on two more large-scale solar-plus-storage plants in the state, one a 60MW PV plant with 240MWh BESS on Maui and the opposite a 30MW PV plant with 120MWh BESS on Hawaii Island.

Clearway commissioned three earlier {solar} PV-only initiatives in Hawaii in 2019, two on O’ahu and one on Hawaii Island. When each new solar-plus-storage crops are on-line, the corporate’s put in PV base within the state will complete 185MW.   

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230MW BESS comes online at Bureau of Land Management site in California



caiso california nextera desert sunlight energy storage

A 230MW battery energy storage system (BESS) from NextEra Energy Assets, half of a big solar-plus-storage challenge, has come on-line in California.

The Bureau of Land Administration (BLM), which manages the land on which the 94-acre challenge is positioned in Riverside County, announced the beginning of economic operations on the Desert Daylight Battery Energy Storage System yesterday (16 August).

The 230MW BESS challenge adjoins the prevailing Desert Daylight {Solar} Farm and can retailer renewable energy generated by the Farm and shift it to peak demand hours.

In a doc approving the project in November last year, BLM mentioned the challenge developer was Daylight Storage, LLC, a subsidiary of NextEra Energy Assets, which seems to have been very quiet on the challenge.

An SEC filing from the Fortune 500 company, referring to the project as the Sunlight Storage Facility, mentioned it’s a 230MW/920MWh system. A four-hour period is a requirement for initiatives in California to supply energy to utilities by means of Useful resource Adequacy, the framework by which grid operator CAISO ensures provide can meet demand, and the primary income stream for BESS initiatives.

The challenge’s commissioning is sweet information for the state after one thing of a slowdown in BESS deployments in the lead-up to the peak summer season, when the heightened danger of wildfires may also threaten grid reliability and enhance the possibility of outages.

As of the top of July, CAISO had 3,334MW of grid-scale BESS in industrial operation in keeping with its official knowledge (which will be modified retrospectively if a unit’s industrial operation date is introduced considerably after the very fact).

It’s not clear if these figures embrace the Desert Daylight BESS, which it’d do whether it is asserting its industrial operation late, for instance. Assuming not, this brings the BESS depend in California to just about 3,600MW. If Ameresco’s 537.5MW/2,150MWh initiatives for utility SCE had not been delayed, as reported by, the determine might have been over 4,000MW by now, the grid operator’s stated aim.

The BLM is the US authorities physique liable for administering federal lands, a key determine in approving initiatives positioned inside its portfolio. Latest important solar-plus-storage initiatives it has waived by means of embrace a 250MW project by Revolve Renewable Power and a 500MW project by Oberon Solar, each lined by our sister web site PV Tech.

The company can be encouraging initiatives to be constructed on its land, most just lately issuing a solicitation for utility-scale solar projects on 90,000 acres of public land throughout Colorado, Nevada and New Mexico.

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Energy storage set for major Inflation Reduction Act boost



Energy storage set for major Inflation Reduction Act boost

US President Joe Biden signed the Inflation Discount Act yesterday, bringing with it tax incentives and different measures broadly anticipated to significantly boost prospects for energy storage deployment.

“The Inflation Discount Act invests US$369 billion to take essentially the most aggressive motion ever — ever, ever, ever — in confronting the local weather disaster and strengthening our financial — our energy safety,” Biden said.

The laws was readied for Biden’s signature at a pace which took many abruptly, from the announcement of compromises being reached by West Virginia Senator Joe Manchin and Senate Majority Leader Chuck Schumer on the finish of July, to its quick passing in the Senate and then the House of Representatives in simply over a fortnight.

Its funding in energy safety and local weather change mitigation targets a 40% discount in greenhouse gasoline (GHG) ranges by 2030, supporting electric autos (EVs), energy effectivity and constructing electrification, wind, {solar} PV, green hydrogen, battery storage and different applied sciences.

Most immediately related to the downstream energy storage trade is the introduction of an funding tax credit score (ITC) for standalone energy storage. That may decrease the capital price of apparatus by about 30%, though underneath some prevailing situations will probably be roughly, relying on, for instance, use of native unionised labour.

It additionally unties builders from pursuing a disproportionately high percentage of solar-plus-storage hybrid projects, since previous to the act, batteries had been eligible for the ITC, however provided that they charged immediately from the {solar} for at the least 70% of yearly in operation. The trade has campaigned for the standalone ITC for a few years.

For the upstream battery and energy storage system worth chains, there are additionally tax incentives for siting manufacturing throughout the US, as there are for wind and {solar} PV gear producers that supply parts or make their merchandise domestically.

There are additionally 10-year extensions to current wind and {solar} ITCs together with new or prolonged clear energy manufacturing tax credit (PTCs) and the ITC for {solar} goes up from 26% to 30%, whereas the standalone storage ITC may also be in place for the following decade.

There are additionally provisions that group {solar} installations the place at the least 50% of shoppers dwell in low to average earnings communities can prevail of an additional 20% ITC, and an additional 10% ITC for tasks constructed with at the least 40% home content material, rising to a 55% threshold in 2027.

Interconnection prices are additionally included in ITC-eligible venture prices.

Incentives will scale down by small increments each couple of years however may very well be additional prolonged if focused emissions reductions usually are not achieved in that timeframe.

As may be anticipated, many corporations and commentators throughout the trade had lots to say on the act turning into legislation with the stroke of Biden’s pen. Listed below are a number of of their feedback:

American Clear Energy Affiliation

Nationwide commerce affiliation representing clear energy corporations, since final 12 months merged with the nationwide Energy Storage Affiliation

“This does for local weather change and clear energy what the creation of Social Safety did for America’s senior residents. This legislation will put hundreds of thousands extra Individuals to work, guarantee clear, renewable and dependable home energy is powering each American house, and save American customers cash.   

For our trade, it’s the beginning gun for a interval of regulatory certainty which is able to triple the dimensions of the US clear energy trade and generate over US$900 billion in financial exercise by way of development of recent clear energy tasks,” Heather Zichal, CEO.

Stem Inc

Supplier of standalone storage and solar-plus-storage options to behind-the-meter business and industrial (C&I) and distributed front-of-meter market segments

“…we view the investments in clear energy throughout the Inflation Discount Act as transformational for our nation, the energy trade, and our firm as we proceed to speed up the clear energy transition.

For patrons deploying energy storage and {solar}, essentially the most vital components of the invoice are tax credit for clear electrical energy funding and manufacturing. We anticipate that these incentives will enhance funding certainty and make adoption extra reasonably priced in current and new energy markets,” John Carrington, CEO

LDES Council

Commerce affiliation representing expertise suppliers and enormous end-users for long-duration energy storage (LDES)

“The passing of the landmark Inflation Discount Act is a vital win for long-duration energy storage applied sciences. This historic act allows energy storage to speed up to the size we’d like by levelling the taking part in discipline for all sorts of storage. LDES improves grid reliability, resiliency, and adaptability round renewable energy sources like wind and {solar}, and has the power to standalone [sic] and contribute elevated stability to the grid,” Julia Souder, govt director.

Stryten Energy

US-based supplier of vanadium redox stream battery (VRFB) options

“Stryten Energy welcomes this laws’s long-term, standalone energy storage funding tax credit and its ten-year runway, which is able to assist our prospects incorporate medium and long-duration energy storage akin to VFRB batteries into their operations extra economically than earlier than.

Leveraging home VFRB expertise and different long-term energy storage options will allow dependable entry to wash energy and assist the U.S. obtain energy safety because it transitions to a clear energy economic system,” Tim Vargo, CEO.

KORE Energy

Producer of battery cells, racks and full techniques, serving the energy storage system (ESS) and electric mobility infrastructure sectors

“The clear energy provisions within the Act prioritise scaling the home clear energy ecosystem, renewing our deal with uncooked materials manufacturing and manufacturing, and catalysing the maturation of the nation’s home provide chain. It should place home suppliers to satisfy the calls for of decarbonisation within the energy and transportation sectors.

As a lithium-ion battery cell producer constructing a gigafactory exterior Phoenix, we stay up for accelerating the expansion of an end-to-end battery provide chain by delivering American IP constructed by American staff with recyclable North American supplies to energy e-mobility and energy storage options.

As a associate to suppliers, finish customers, and recyclers, we’re most excited that the Act will broaden entry to the roles wanted to understand these targets and can quickly broaden the advantages that fashionable electrification and energy storage provide our economic system, our prospects and communities,” Lyndsay Gorrill, CEO.

Worldwide Zinc Affiliation

Commerce affiliation representing zinc manufacturing and associated corporations, together with a subsidiary commerce group, Zinc Battery Initiative

“The Worldwide Zinc Affiliation (IZA) applauds the passage of the Inflation Discount Act of 2022 for bringing vital focus and funding to the cleantech area. This unprecedented local weather laws will promote the manufacturing of vital minerals required for batteries in addition to the manufacture and buy of energy storage, akin to rechargeable zinc batteries. IZA members are proud to offer protected, sustainable choices for the energy storage industries, a necessary a part of the clear energy transition,” Andrew Green, govt director.

Middle for Sustainable Energy

Nationwide clear energy non-profit group

“These tax credit and incentives will spur elevated manufacturing and adoption of unpolluted applied sciences by all Individuals, together with individuals with low and average incomes and communities which have borne the brunt of air pollution. We’re investing in local weather options – together with energy-efficient, all-electric houses; rooftop {solar}; energy storage; and electric autos,” Lawrence Goldenhersh, president.


Supplier of mission-critical air and gasoline dealing with merchandise

“The very beneficiant tax credit, as much as US$3/kg for 10 years, will make the renewable H2 produced within the US the most cost effective type of hydrogen on the earth.

“There isn’t a doubt that this step will speed up progress within the world hydrogen market, and increasingly international locations and organisations will now begin rushing up their plans to change into main gamers on this rising sector,” Salah Mahdy, world director of renewable hydrogen.

Little doubt, there shall be far more to observe on this matter…

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